Updated SYSTEM IMPACT STUDY - OATI webOasis€¦ · cross sound cable project 330mw hvdc interconnection between new haven, connecticut and shoreham, ny updated system impact study

CROSS SOUND CABLE PROJECT

330MW HVdc INTERCONNECTION BETWEEN NEW HAVEN, CONNECTICUT AND SHOREHAM, NY

Updated SYSTEM IMPACT STUDY

OF NEW ENGLAND AREA

Subordinate Status Removal and

Amendment of Approved NEPOOL SECTION 18.4

THERMAL & VOLTAGE ANALYSIS

VOLUME 1 of 2

OCTOBER 2001

Prepared by

TransÉnergie U.S. Ltd.

110 Turnpike Road, Suite 300 Westborough, MA 01581-0623

Cross Sound HVdc Cable Project


Executive Summary The Cross Sound Cable (CSC) is a 330 MW, HVdc interconnection between Shoreham on Long Island, New York and New Haven, Connecticut. System Impact studies were completed and conditional Subordinate Section 18.4 approval received from the New England Participants Committee in November 2000 based on the following Section 18.4 applications. This report assesses the impact of the CSC Project under Minimum Interconnection Standards (MIS) with other relevant queued resources that have received NEPOOL Section 18.4 approval since November 2000 and were not previously included in previous CSC studies. The intent is to remove the Subordinate approval status of the Project and to determine is any changes are required to the approved system upgrades for interconnection. The Section 18.4 approved Relevant Queued Resources in Connecticut that have a higher queue priority include Towantic, Wallingford, Meriden, and Lake Road. Other Relevant Queued Resources that the Cross Sound HVdc Cable Project is subordinate to such as AES Carpenter and Haddam Station are also included prior to these projects receiving Section 18.4 approval. Analysis indicates that replacement of a wave trap on the 1777 line is required with the relevant queued resource in the Connecticut area considered. Northeast Utilities has indicated that this is not a cost responsibility of the project and will be pursued by them. Analysis also indicates that the previously required addition of a 345 kV breaker at Scovill Rock1 for a stuck breaker condition at Scovill Rock is no longer necessary. Concerns for this condition may be alleviated by modifying the currently approved 387 line-end-open (LEO) NPCC Type III that initiates runback the HVdc converter to also include runback of the facility for the Scovill Rock stuck 7T breaker condition. Full runback of the facility for either the 387 LEO or Scovill Rock 7T breaker condition is initially proposed. Since possible overload of local 115 kV transmission for either condition would only occur during export of power from Connecticut on the CSC Project, SPS runback under the CSC Project imports to Connecticut would be disabled. Based on the conditions studied, interconnection of the proposed Cross Sound HVdc Cable Project will not have a significant adverse impact on the New England bulk power system. The necessary system upgrades identified for the Project under MIS to remove the subordinate approval status of the CSC HVdc Project are as follows:

• Cross Sound SPS at Scovill Rock2 - Installation of a Type III SPS at Scovill Rock 345 kV substation to runback the Cross Sound HVdc facilities for either

o a 387 line-end-open condition at Scovill Rock or o a stuck 7T 345 kV breaker condition at Scovill Rock

• Replace wave trap on NU’s 1777 line (N. Bloomfield x Bloomfield 115 kV) 1 Application NU-00-T25 will need to be withdrawn. 2 Application NU-00X26 will need to be revised.



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Table of Contents

Page 1.0 INTRODUCTION .................................................................................................................................................................... 1 2.0 STUDY AREA AND INTERCONNECTION CONFIGURATION ........................................................................................ 2 3.0 STUDY METHODOLOGY AND SYSTEM CONDITIONS .................................................................................................. 3 3.1.System Load Representation............................................................................................................................................... 3 3.2.Interfaces ............................................................................................................................................................................ 4 3.3.Modes of Operation of Cross Sound HVdc Cable............................................................................................................... 4 3.3.1.EXPORT Mode: 330 MW New Haven to Shoreham Transfer.................................................................................... 4 3.3.2.IMPORT Mode: 330 MW Shoreham to New Haven Transfer .................................................................................... 4 3.4.Dispatches........................................................................................................................................................................... 5 3.4.1.Sensitivity to Local Generation: Export Mode Only ................................................................................................... 8 3.4.2.Sensitivity to New York – New England Transfers..................................................................................................... 8 3.4.3.Sensitivity to Millstone 1: Export Mode Only............................................................................................................. 9 3.5.Contingency List................................................................................................................................................................. 9 3.6.Project Data ........................................................................................................................................................................ 9 3.7.Thermal-Voltage Guide .................................................................................................................................................... 10 4.0 STUDY RESULTS................................................................................................................................................................. 11 4.1.Thermal Analysis: Export Mode- Up to 330 MW from New Haven to Shoreham............................................................ 12 4.1.1.Peak Load Dispatch .................................................................................................................................................. 12 4.1.2.75% Load Dispatch................................................................................................................................................... 12 4.1.3.Sensitivity to Local CT Generation........................................................................................................................... 12 4.1.4.Sensitivity to New York-New England Transfers ..................................................................................................... 13 4.1.5.Sensitivity to Millstone 1: Export Mode Only........................................................................................................... 14 4.2.Thermal Analysis: Import Mode- Up to 330 MW from Shoreham to New Haven............................................................ 14 4.2.1.Peak Load Dispatch .................................................................................................................................................. 14 4.2.2.75% Load Dispatch................................................................................................................................................... 14 4.2.3.Sensitivity to New York-New England Transfers ..................................................................................................... 14 4.3.Voltage Analysis: Export and Import Mode of Operation................................................................................................. 15 4.4.Cross Sound Cable SPS: Modified 387 LEO SPS............................................................................................................. 16 4.5.Impact on Reactive Resources .......................................................................................................................................... 19 4.6.HVdc Converter AC Filter Bank Switching...................................................................................................................... 20 4.7.Subsynchronous Torsional Interaction – SSTI.................................................................................................................. 20 5.0 SYSTEM UPGRADES REQUIRED...................................................................................................................................... 20 6.0 CONCLUSIONS .................................................................................................................................................................... 21


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APPENDIX I – Study Area and Interconnection Configuration APPENDIX II – Dispatch Summaries APPENDIX III – Contingency List APPENDIX IV – Project Data APPENDIX V – System Dispatch Summary APPENDIX V – Export Mode: 330 MW to Long Island Thermal Results Appendix Va – Peak Load Level Appendix Vb – 75% Load Level Appendix Vc – Local CT Generation Sensitivity Appendix Vd– NY-NE Transfer Sensitivity Appendix Ve– Millstone 1 Sensitivity APPENDIX VI– Import Mode: 330 MW From Long Island Thermal Results Appendix VIa – Peak Load Level Appendix VIb – 75% Load Level Appendix VIc – NY-NE Transfer Sensitivity Appendix VId – Millstone 1 Sensitivity APPENDIX VII– Voltage Analysis VOLUME 2 – Loadflow Summaries


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List of Tables Page Table 3.1 –Export Mode Case Set ………………………….…………………………….6 Table 3.2 –Import Mode Case Set ……………………….……………………………….7 Table 3.3 – Peak Load with CT Generation Sensitivity: CSC HVdc 330 MW Net Export to Long Island………………………………. ………...…………………………………8 Table 3.4 - Thermal Criteria Applied in Study………...………………………………..10 Table 3.5 - Voltage Criteria Applied in Study………...…………………………………10 Table 4.1 – Summary of Transfer Levels With and Without Cross Sound HVdc Cable EXPORT Mode Transfers Connecticut to Long Island………………………………….13 Table 4.2 – Summary of Transfer Levels With and Without Cross Sound HVdc Cable IMPORT Mode Transfers Long Island to Connecticut ...……………………………….15 Table 4.3 – Summary of Overloaded Resulting From Scovill Rock Stuck 7T Breaker Contingency…………………………………………………. ………………………….18 Table 4.4 – Incremental Reactive Demand on Local Units….…………………………..19

List of Figures Page Figure 2.1 Existing System ………………………….……………………………….….2 Figure 2.2 Previously Approved Cross Sound Cable Project…..…..………………….….2 Figure 5.1 Proposed Cross Sound Cable Project Interconnection…………………….…21


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1.0 INTRODUCTION The Cross Sound Cable (CSC) Project proposes the development of bi-directional +/- 150 kV HVdc Voltage Source Converter facilities and 23 miles of submarine cable with the ability to transfer up to 330 MW (net of losses) between the New England and Long Island electric power systems. The HVdc facilities will connect into the Shoreham 138 kV bus. Project in-service date is Summer 2002. System Impact studies were completed and conditional Subordinate Section 18.4 approval received from the New England Participants Committee in November 2000 based on the following Section 18.4 applications. TE-99-01-R1 - Construct a 330 MW (net of losses), +/- 150 kV HVdc line and associated HVdc Converter Facilities. NU-00-T25 – Scovill Rock Breaker Addition NU-00-X26 – Cross Sound Cable SPS at Scovill Rock This report assesses the impact of the CSC Project with other relevant queued resources that have received NEPOOL Section 18.4 approval since November 2000 and were not previously included in previous CSC studies. The intent is to remove the Subordinate approval status of the Project and to determine is any changes are required to the approved system upgrades for interconnection. The relevant queued resources in Connecticut that have a higher queue priority than the CSC Project and associated approval status is listed below.

• Towantic - studies complete, 18.4 approval received • Wallingford - studies complete, 18.4 approval received • Meriden - studies complete, 18.4 approval received • Lake Road - studies complete, 18.4 approval received

Other Relevant Queued Resources that the Cross Sound HVdc Cable Project is subordinate to such as AES Carpenter and Haddam Station are included prior to these projects receiving Section 18.4 approval. This report summarizes the system impact of the project on the New England area thermal and voltage performance and has been prepared for review by the NEPOOL Transmission Task Force (TTF) to support a NEPOOL Section 18.4 Application (Subordinate) for the project under Minimum Interconnection Standards.


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2.0 STUDY AREA AND INTERCONNECTION CONFIGURATION The project facilities in New York (Long Island) will interconnect with the Long Island 138 kV electric transmission system adjacent to the decommissioned Long Island Power Authority (LIPA) Shoreham Nuclear Power Station. The HVdc facilities will connect into the Shoreham 138 kV bus. Appendix I provides information on the study area and interconnection of the HVdc cable and preliminary design of the HVdc facilities. The project facilities in Connecticut will interconnect with the New England 345 kV electric transmission system at New Haven, adjacent to the United Illuminating Company's existing East Shore 345-115 kV Substation. The HVdc facilities would connect into the 387 (East Shore x Scovill Rock) 345 kV circuit via a single 345 kV breaker arrangement. Figures 2.1 and 2.2 show the existing system and the Section 18.4 approved interconnection to date.

4T

5T

7T

8T 376 to Haddam Neck

353 to Manchester

Scovill Rock 345 kV Station

Middletown #4

387

W

W

East Shore

115 kV 115 kV

Figure 2.1 - Existing System

W

4T

5T

7T


353 to Manchester

Scovill Rock 345 kV Station

Middletown #4

387

W

W

New Haven HVdc Converter Facilities

To Shoreham (LIPA)

East Shore

115 kV 115 kV

Figure 2.2 Previously Approved Cross Sound Project Interconnection

W New Breaker and

Line retermination

9T *387 LEO SPS to runback HVdc


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The analysis of this report only addresses the impacts to the New England area. A separate report addressing the impact in New York was reviewed and approved by the NYISO Operating Committee in February 2001. 3.0 STUDY METHODOLOGY AND SYSTEM CONDITIONS All studies were performed in conformance with the applicable NPCC, NEPOOL and local utility criteria on system representations derived from current library loadflows. The impact on the New England bulk power system was performed using the Power Technologies, INC. (PTI) Power System Simulator/Engineering (PSS/E) Program Package. The following sections describe the conditions for the thermal and voltage analysis conducted.

3.1. System Load Representation The system representation used in this analysis was based on loadflow cases provided by Northeast Utilities (NU) that were used in the analysis for the Haddam Neck Project (800 MW) in Connecticut3. The cases from the Haddam Neck study reflect the most up-to-date cases available system representations of Connecticut and provide consistency of system impact study results from proposed Projects in the area. The cases represent a summer 2002 peak load (plus losses) of 24,174 MW and are consistent with the adjusted reference load of 24,140 in NEPOOL 2001 NEPOOL CELT report. Two load levels were evaluated, as based on the Haddam Neck study: 100% and 75%4 of the anticipated summer peak load. The Connecticut area system modeled included the recently approved generation increases at Lake Road (840 MW), Towantic (549 MW), Meriden (560 MW) and Wallingford (255 MW). These facilities expected to be in-service by the year 2002 and were modeled in the same manner in which they were approved. In addition, Haddam Neck (800 MW) which is currently under review and AES Southington (786 MW) which has received both Stability Task Force (STF) and Transmission Task Force (TTF) approval, but has not yet been presented to the Reliability Committee (RC) for 18.4 approval, were included in the analysis. Existing generation in the local Connecticut area also includes the following units. • Bridgeport Energy • Bridgeport Harbor 2 and 3 • Devon 7 and 8 • Devon GTs 11,12,13, and 14 • Norwalk Harbor 1 and 2 • New Haven Harbor • Middletown 2, 3 and 4 • Milford Power • English Units 7 & 8 3 System Impact Study for the Haddam Neck Project, Thermal and Short Circuit Report, May 2001”, by Northeast Utilities Service Company 4 Intermediate load level is approximately 73% of the peak load and is based on Haddam Neck study cases.


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3.2. Interfaces Interfaces in the area of the Project that could be impacted by the Project include CT Import, CT Export, NY-NE and NE-NY. For consistency of system impact study results, the Haddam Neck cases with these interfaces stressed were used and modified as necessary to include the CSC HVdc Project.

3.3. Modes of Operation of Cross Sound HVdc Cable The CSC HVdc facilities are fully controllable and can transfer power in either direction between New Haven and Shoreham. Both import and export mode of operation was studied to investigate the bilateral transfer capability of the Project.

3.3.1. EXPORT Mode: 330 MW New Haven to Shoreham Transfer For the purpose of these studies, transfers up to 330 MW from Connecticut to Long Island, NY, is termed as the EXPORT Mode of operation for the Project. The 1385 Norwalk x Northport ac cable and phase shifter tie line between Connecticut and Long Island was scheduled for 200 MW to Long Island in the export mode cases. The Cross Sound HVdc was modeled as negative generator For cases where Cross Sound Cable (CSC) exporting to Long Island and CT was importing power, CSC HVdc was dispatched against Milford Power, Wallingford and or New Haven Harbor to maintain a similar CT Export interface loading with and without the Project. For cases where CT was exporting (maximum CT generation), no additional generation was dispatched with the Project in-service to maintain similar total CT Export and NY-NE transfers (total CT export = CT export + CSC export). Sensitivity to local CT generation, NY-NE transfer and Millstone 1 unit were included in the export mode analysis.

3.3.2. IMPORT Mode: 330 MW Shoreham to New Haven Transfer

A transfer up to 330 MW in the reverse direction, from Long Island NY to Connecticut, is termed as the IMPORT Mode of operation for the Project. The 1385 Norwalk x Northport ac cable and phase shifter tie line between Connecticut and Long Island was scheduled for 0 MW to Long Island in the import mode cases. For cases where Cross Sound Cable (CSC) importing to Long Island, Cross Sound HVdc was dispatched against New Haven Harbor if in-service or Middletown #4


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otherwise to maintain a similar CT Export interface loading with and without the Project. Sensitivity analysis was limited NY-NE transfer for the import mode.

3.4. Dispatches Testing followed same dispatch methodology used in the analysis of the Haddam Neck plant. Cases were developed with and with out the HVdc Project and for both modes of operation - Export and Import mode at both peak and 75% load levels. In addition, dispatches also considered conditions with and without Haddam Neck plant. For consistency between studies, Haddam Neck was dispatched against the same set on units used Haddam Neck study. Table 3.1 denotes the naming convention used for CSC HVDC operating in Export Mode. This case set includes sensitivity cases discussed in following sections. Cases with CSC in-service in export mode are prefixed with CSC-. Table 3.2 provides the case set used for CSC HVDC operating in Import Mode. Cases with CSC in-service are prefixed with CSCi-. Dispatch summaries of CT generation for case of Tables 3.1 and 3.2 are provided in Appendix II Full case summaries with area flow plots for all base condition loadflows used in the analysis are provided in Volume II. NY-NE positive is flow into NE on all ties and the CT Import/Export flow reported does not include the CSC HVdc project. The HVdc flow would be in addition to the reported values.


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Table 3.1 – Export Mode Case Set

Loadflow Cases

Dispatch

CT Export/ Import

Interface

Haddam Neck Dispatched

Against

NY-NE Interface Transfer

Without Project With Project

Project Mode

Out-of-service Peakexp Csc-peakexp Montville, Midd#4,

Meriden, AES Thames Pkex-1 Csc- pkex-1 Export Midd#4, Milford Pkex-4 Csc- pkex-4 Out-of-service Peakimp Csc-peakimp Out-of-service Pkimp-1 Csc- pkimp-1

Peak Load

Import Midd#4, Milford,

Meriden

0

Pkimp-6 Csc- pkimp-6 Out-of-service Midexp Csc-Midexp

Montville, Midd#4, Meriden, AES Thames Mdexp-1 Csc-Mdexp-1 Export

Midd#4, Milford Mdexp-4 Csc-Mdexp-4 Out-of-service Midimp Csc-Midimp

75% Load

Import Montville, Midd#4, Meriden, AES Thames

0

Mdimp-1 Csc-Mdimp-1 Out-of-service NYNE7PKIMP CSC-NYNE7PKIMP

Import Montville, Miid#4, Meriden, AES Thames NYNE7PKIMP-1 CSC-NYNE7PKIMP-1

Montville, Midd#4, Meriden, AES Thames NYNE7PKEX CSC-NYNE7PKEX Export Montville, Midd#4, Meriden, AES Thames

700

NYNE7PKEX-1 CSC-NYNE7PKEX-1 Out-of-service NENY7PKIMP CSC-NENY7PKIMP

Import Montville, Miid#4, Meriden, AES Thames NENY7PKIMP-1 CSC-NENY7PKIMP-1

Out-of-service NENY7PKEX CSC-NENY7PKEX

Peak Load NY-NE Transfer

Sensitivity

Export Montville, Miid#4, Meriden, AES Thames

-700

NENY7PKEX-1 CSC-NENY7PKEX-1 Out-of-service Peakexp-M1 Csc-Peakexp-M1

Montville, Miid#4, Meriden, AES Thames Pkex-1-M1 Csc-Pkex-1-M1

Out-of-service Midexp-M1 Csc-Midexp-M1 Millstone #1 Sensitivity Export

Montville, Miid#4, Meriden, AES Thames

0

Mdexp-1-M1 Csc-Mdexp-1-M1 Out-of-service NENY7PKIMP-2 CSC-NENY7PKIMP-2

Midd#4, Montville 700

NENY7PKIMP-3 CSC-NENY7PKIMP-3 Out-of-service NENY7PKIMP-4 CSC-NENY7PKIMP-4 Out-of-service NENY7PKIMP-5 CSC-NENY7PKIMP-5

Import

Out-of-service -700

NENY7PKIMP-6 CSC-NENY7PKIMP-6 Out-of-service -145 NENY7PKEX-2 CSC-NENY7PKEX-2

Midd#4, Montville -544 NENY7PKEX-3 CSC-NENY7PKEX-3 Out-of-service 425 NYNE7PKEX-2 CSC-NYNE7PKEX-2

Midd#4, Meriden 352 NYNE7PKEX-3 CSC-NYNE7PKEX-3

CT 115 kV Generation Dispatches

Export

Midd#4, Milford, Meriden

-171 Mdexp-6 CSC-Mdexp-6

330 MW Net

Export from CT to Long Island


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Table 3.2 – Import Mode Case Set

Loadflow Cases

Dispatch

CT Export/ Import

Interface


Against



Project Mode

Out-of-service Ipeakexp Csc-peakexp Export Midd#4, Meriden,

AES Thames -150

Ipkex-2 Csc- pkex-1

Out-of-service Ipeakimp Csci-peakimp

Peak Load

Import Midd#4, Meriden, AES Thames

0 Ipkimp-2 Csci- pkimp-2

Out-of-service Imidexp Csci-Midexp Export

Montville, Midd#4, Meriden, AES Thames

0

Imdexp-2 Csci-Mdexp-2

Out-of-service Imidimp Csc-Midimp

75% Load


-165

Idimp-1 Csci-Mdimp-1 Out-of-service 290 INYNE7PKIMP CSCI-NYNE7PKIMP Import

Meriden, AES Thames 490 INYNE7PKIMP-2 CSCI-NYNE7PKIMP-2 Midd#4, Meriden,

AES Thames INYNE7PKEX CSCI-NYNE7PKEX Export Montville, Miid#4, Meriden, AES Thames

700

INYNE7PKEX-2 CSC-NYNE7PKEX-2 Out-of-service NENY7PKIMP CSC-NENY7PKIMP


-900 NENY7PKIMP-2 CSCI-NENY7PKIMP-2

Out-of-service NENY7PKEX CSCI-NENY7PKEX


Sensitivity

Export Montville, Midd#4, Meriden, AES Thames

-700 NENY7PKEX-1 CSCI-NENY7PKEX-2

330 MW Net

Import from Long Island


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3.4.1. Sensitivity to Local Generation: Export Mode Only

The following Table 3.3 summarizes system dispatches used in the analysis to test the sensitivity to local generation near the project with a net 330 MW transfer from CT to Long Island on the CSC HVdc. These dispatches test possible impact of the CSC HVdc project on the system for various outage scenarios of the New Haven Harbor, Middletown #4, Wallingford, English and Towantic plants at peak load. Two similar dispatches were also developed for the 75% load level having New Haven Harbor, Middletown #4 and the English units out-of-service, and with and without Haddam Neck in-service. Corresponding base system dispatches with out the Project are provided in Appendix II. Similar analysis for import mode operation was not considered necessary under minimum interconnection standards. Under import mode, the project was dispatched against New Haven Harbor or Middletown #4, as required.

Table 3.3 – Peak Load with Local CT Generation Sensitivity:

CSC HVdc 330 MW Net Export to Long Island Case Names

Plant CSC-NYNE7PKIMP-2

CSC-NYNE7PKIMP-3

CSC-NENY7PKIMP-4

CSC-NENY7PKIMP-5

CSC-NENY7PKIMP-6

CSC-NENY7PKEX-2

CSC-NENY7PKEX-3

CSC- NYNE7PKEX-2

CSC- NYNE7PKEX-3

English Units (#7&8) 72 72 0 0 0 0 0 0 72

New Haven 0 0 0 447 0 0 0 447 447 Middletown 4 0 0 0 0 400 0 0 400 0 Wallingford 0 0 255 0 0 255 255 0 0 Towantic 549 549 430 240 297 549 549 549 549 Haddam Neck 0 800 0 0 0 0 800 0 800 Bridgeport 3 375 375 375 375 375 375 375 375 375 Milford 560 560 560 560 560 560 560 560 560 Bridgeport Energy 520 520 520 520 520 520 520 520 520 Lake Road 0 0 0 0 0 840 840 840 840 Meriden 560 280 560 560 560 560 280 560 280 AES Southington 0 0 0 0 0 786 786 786 786

Interfaces CT Export -2295 -2304 -2247 -2241 -2240 1473 1857 2312 2383 NY-NE 785 788 -691 -697 -698 -130 -530 435 364 SW Conn Import 2298 675 601 603 973 430 431 14 -53 East West 729 735 1770 1769 1769 -2071 -2062 -3147 -3147 Flow to LI on 1385 200 200 200 200 200 200 200 200 200

3.4.2. Sensitivity to New York – New England Transfers Dispatches were developed in the analysis to test the sensitivity to the New York – New England transfers with and without the CSC HVdc project in-service under both export and import mode of operation. NY-NE transfers at peak load within a range of about +/- 700 MW and were based on similar dispatches from the Haddam Neck analysis. Dispatches used in the analysis are summarized in Appendix II.


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In addition to this, the TWG asked analysis of the NY-NE transfer capability with and without the CSC HVdc Project. This linear Transfer Interchange Limit analysis was performed using TLTG activity of the PSS/e program.

3.4.3. Sensitivity to Millstone 1: Export Mode Only

Dispatches were developed to test sensitivity to the Millstone 1 unit at both peak and 75% load levels. This 650 MW nuclear unit was shut down in 1996 for decommissioning, but no Section 18.4 application for retirement has been submitted on behalf of the plant. Until submitted, this unit should be considered in analysis of the system. Sensitivity with the Millstone 1 unit, and with and without Haddam Neck and with and without CSC HVdc was performed for CSC HV operating in export mode with a net 330 MW transfer from CT to Long Island. Similar analysis for import mode operation was not considered necessary. Dispatches used in the analysis are summarized in Appendix II.

3.5. Contingency List Both normal design and extreme contingencies, required by NPCC, NEPOOL Reliability Standards and local utility criteria were tested. Appendix III provides the list of contingencies tested.

3.6. Project Data PTI is in the process of developing a Voltage Source converter HVdc model for the PSS/E program. Since the model was not available, a two generator method was used to model the CSC Project in the program. This model assumes the sending end (rectifier) output of –346 MW and a receiving end (inverter) output of +330 MW. The 16 MW difference is to account for HVDC system losses of the Project. For transfers in the opposite direction the output of the generators are interchanged. The net reactive capability of the Project is approximately +/- 72 MVars delivered to the high side (ac system side) of the converter transformer. This amount includes about 1035 MVars of ac filters connected to the ac filter bus and necessary for the operation the HVdc facility. The reactive capability of the inverter is slightly higher (approx. +/-90 MVars) than that of the rectifier. Output of the fictitious generators representing the HVdc facilities at New Haven was kept within this approximate range for the studies. The ac filter bus of each converter is controlled to 200 kV and connected the ac system through three single phase 120 MVA converter transformers. The system model in the study used the following for the converter transformer.

5 Note initial design was 105 MVar was used in study. Current design is 103 MVar comprised of one 61 MVar, one 32 MVar and one 10 MVar bank. Net reactive capability to the system remains the same.


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Rated Voltage = 345-191.5 (New Haven), 138-191.5 (Shoreham) Tap Changer = secondary, +/- 14 steps, 1.5% each step Impedance=17.4 % on 360 MVA Additional Project data for the HVdc facilities is provided in Appendix III.

3.7. Thermal-Voltage Guide The thermal and voltage analysis used guidelines set forth in the Reliability Standards for NEPOOL, United Illuminating Company Transmission Planning Criteria6 and Northeast Utilities Planning Standards7. Table 3.4 identifies the thermal criteria applied. Table 3.5 identifies the voltage criteria applied. NU has additional guidelines that the Millstone 345 kV voltage should not fall below 1.0 pu post-contingency. Postcontingency incremental differences with and without the project were used to determine the impact of the project. Increase in flow of greater than 1% for thermal analysis and differences greater than 0.5% for voltage analysis resulted in further investigation of the results.

Table 3.4 – Thermal Criteria Applied in Study

SYSTEM CONDITION

TIME FRAME

MAXIMUM ALLOWABLE FACILITY LOADING

Pre-contingency

(All Lines In)

Continuous

Normal Rating

Less than 15 minutes after contingency occurs

STE Ratingsee note 1

Post-contingency More than 15 minutes after contingency occurs

LTE Rating

Note 1) Post-contingency loadings above Long Term Emergency (LTE) rating, but below Short Term Emergency (STE) rating were considered acceptable as long as prompt action (local phase shifter adjustment or generation runback) could reduce all facility loadings below LTE within 15 minutes. Operation of existing special protection systems (SPS) were used, where available, to alleviate overload conditions.

Table 3.5 – Voltage Criteria Applied in Study

All Lines In

Single Contingency Overlapping Contingencies

High Limit 1.05 pu +5%, maximum 1.05 pu +10%, maximum 1.05 pu Low Limit 0.95 pu -5%, minimum 0.95 pu -10%, minimum 0.9 pu

6 Transmission Planning Criteria, Planning Department dated April 23, 1994 7 Transmission Reliability Standards for Northest Utilities, May 2000


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4.0 STUDY RESULTS Some facilities in the study area are protected by Special Protection Systems (SPS) that result in an automatic action upon detection of an overload. The following SPSs were included in the study and were found to alleviate overloads seen on the associated circuits. Operation of the SPSs did not result in additional facilities being overloaded. Also included is the approved 387 LEO SPS that is associated with the CSC HVdc project.

1570 SPS – Opens 1560-6R-5 circuit switcher at Ansonia for loading above the 150 MVA LTE rating on 1570 (Derby x Indian Wells 115 kV) following loss of 1545 (Devon x trap Falls 115 kV) 1870 SPS- trips 1870 (Mystic x Wood River 115 kV) for directional flow on 1870 line from Wood River above 110 MVA 1732 SPS – opens 1732 line (Canton x Weingart Jct x Campville 115 kV) at Canton for 1732 line flow above 107 MVA LTE rating 387 LEO SPS8 – Runback the CSC HVdc to 0 MW flow for 387 (East Shore x CSC HVdc x Scovill Rock 345 kV) line-end-open (LEO) at Scovill Rock 345 kV Substation

It should be noted that NU has a Canton-Weingart 18.4 Study currently under review and proposes to upgrade the 1732 circuit to 1272 kcmil ACSR conductor with a expected rating of 297/382/434 MVA for normal/LTE/STE. The associated 1732 SPS would be removed after reconductoring. No 1732 loading shown in this analysis would exceed the new 1732 line ratings. Loss of the CSC HVdc project was included in all analysis performed and no overload condition was experienced. This is based on the existing 1385 connection between Norwalk and Northport on Long Island with a summer normal/LTE/STE rating of 270/335/450 MVA as provided by LIPA and NU. Thermal results are discussed in the following sections and are summarized in tables of Appendix V and VI.

8 387 LEO SPS was identified as a requirement for the CSC HVdc Project and received Section 18.4 approval based on previous study of the project.


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4.1. Thermal Analysis: Export Mode- Up to 330 MW from New Haven to Shoreham

4.1.1. Peak Load Dispatch

Facilities where postcontingency thermal loadings exceed 99% of the LTE rating for conditions with net transfers of 330 MW on the CSC HVdc from New Haven to Shoreham were reviewed for the peak load dispatches. All postcontingency loadings with and without the CSC HVdc project were within the +1% comparison criteria. Some loadings above the LTE rating were noted with and without the Project. These overloads would be resolved by insertion of reactors associated with other generator projects and switching operations. No new system upgrades for the CSC HVdc project were identified. Peak load thermal results, with and without the CSC HVdc project, are summarized in Appendix Va.

4.1.2. 75% Load Dispatch

All postcontingency loading violations with and without the CSC HVdc project were within the +1% comparison criteria. The 1732 SPS would be expected to operate for several contingencies with or without the CSC HVdc project. As noted before, if the 1732 line is upgraded, the new ratings would be adequate for the flows seen in this analysis. No new system upgrades for the CSC HVdc project were identified. 75% load thermal results, with and without the CSC HVdc project, are summarized in Appendix Vb.

4.1.3. Sensitivity to Local CT Generation

Analysis of this section was performed to determine impact of the project when certain local generation may be unavailable. The more critical conditions are when either or both New Haven Harbor and Middletown #4 are off-line. Analysis confirms the system upgrades previously required by the project, namely the 387 LEO SPS and the addition of a 345 kV breaker at Scovill Rock. The 387 LEO SPS would be expected to operate for several of the system dispatches in this analysis where New Haven Harbor generation was off-line and the CSC HVdc project in-service. Runback of the CSC HVdc would alleviate overloads seen in this analysis. It should also be noted that runback of the CSC HVdc would also alleviate any overloads that may be associated with the Scovill Rock stuck 7T breaker contingency. This is discussed in more detail in Section 4.4. With the system upgrades previously required by the project, all postcontingency loading violations with and without the CSC HVdc project were within the +1% comparison criteria with the exception to the 1777 circuit (N. Bloomfield x Bloomfield 115kV). Incremental increase in load on this circuit postcontingency with the project in-service was about 2%. Although this circuit may become overloaded without the


13


CSC HVdc Project following a simultaneous loss of either the 1207 and 1775 circuits or the 395 and 1751 circuits, Northeast Utilities indicated that upgrade of the 1777 circuit should be considered a requirement of the CSC HVdc project. Overload seen on the 1777 circuit may be alleviated by replacement of a limiting 115 kV wave trap. The line would become conductor limited at 178/228/242 MVA with replacement of the wave trap. Northeast Utilities has indicated that it will pursue the wave trap replacement, but that the project will not be responsible for the cost. Thermal results, with and without the CSC HVdc project, are summarized in Appendix Vc.

4.1.4. Sensitivity to New York-New England Transfers All postcontingency loadings with and without the CSC HVdc project were within the +1% comparison criteria. The 1732 SPS would be expected to operate for several contingencies with or without the CSC HVdc project. As noted before, if the 1732 line is upgraded, the new ratings would be adequate for the flows seen in this analysis. The 1777 wave trap line limitation noted for the 75% load analysis was also seen in one case dispatch (csc-neny7pkimp-1 & neny7pkimp-1) with and without the CSC HVdc project. No new additional system upgrades for the CSC HVdc project were identified. Thermal results, with and without the CSC HVdc project, are summarized in Appendix Vd. Table 4.1 summaries impact on the NY-NE interface with and without the CSC HVdc project. As shown in the table, the Project does not result in any significant adverse impact (≤ 1%) to the transfer capability. The project does increase the transfer capability with New York.

Table 4.1 – Summer Transfer Levels With and Without Cross Sound HVdc Cable EXPORT Mode: Transfers Connecticut to Long Island

Summer Normal Transfer Direct Tie Limit (MW)1

Summer Emergency Transfer Direct Tie Limit (MW) 1

Interface With Project

Without Project

See Note

With Project Without Project

See Note

ISONE-NYISO

786 /1116* 815 2 1194

/1524* 1223 2

NYISO-ISONE 1529 1522 3 1986 1976 4

*With Cross Sound HVdc tie flow included

Notes: 1) Cross Sound HVdc Project at 330 MW net export from Connecticut. 1385 cable (Northport Norwalk) at 200 MW export from Connecticut. 2) 395 Ludlow-Meekville-Manchester at 1605 LTE rating for loss of 347S line (Lake Road – Card 345kV) + 1870 SPS. 3) Pleasant Valley-Long Mountain 345kV at 1317 LTE rating for loss of Seabrook G1


14


4) Pleasant Valley-Long Mountain 345kV at 1135 normal rating for no contingency 4.1.5. Sensitivity to Millstone 1: Export Mode Only

All postcontingency loadings with and without the CSC HVdc project were within the +1% comparison criteria. Loss of the 398 line (Long Mountain – Pleasant Valley 345 kV) resulted in a loading of about 109% of LTE on the 1385 (Norwalk Harbor–Northport 138 kV) tie line with LIPA only for conditions without the CSC HVdc project. With the project in-service the loading was less than 99% of LTE. Thermal results, with and without the CSC HVdc project, are summarized in Appendix Ve.

4.2. Thermal Analysis: Import Mode- Up to 330 MW from Shoreham to New Haven

4.2.1. Peak Load Dispatch

Facilities where postcontingency thermal loadings exceed 99% of the LTE rating for conditions with net transfers of 330 MW on the CSC HVdc from Shoreham to New Haven were reviewed for the peak load dispatches. All postcontingency loadings with and without the CSC HVdc project were within the +1% comparison criteria. Some loadings above the LTE rating were noted with and without the Project. These overloads could be resolved by insertion of reactors associated with other generator projects and switching operations. The 1732 SPS would be expected to operate for several contingencies with or without the CSC HVdc project. No new system upgrades for the CSC HVdc project were identified. Peak load thermal results, with and without the CSC HVdc project, are summarized in Appendix VIa.

4.2.2. 75% Load Dispatch

All postcontingency loadings with and without the CSC HVdc project were within the +1% comparison criteria. The 1732 SPS would be expected to operate for several contingencies with or without the CSC HVdc project. No new system upgrades for the CSC HVdc project were identified. 75% load thermal results, with and without the CSC HVdc project, are summarized in Appendix VIb.

4.2.3. Sensitivity to New York-New England Transfers

All postcontingency loadings with and without the CSC HVdc project were within the +1% comparison criteria. The 1732 SPS would be expected to operate for several contingencies with or without the CSC HVdc project. As noted before, if the 1732 line is upgraded, the new ratings would be adequate for the flows seen in this analysis. No new system upgrades for the CSC HVdc project were identified. Thermal results, with and without the CSC HVdc project, are summarized in Appendix VIc.


15


Table 4.2 summaries impact on the NY-NE interface with and without the CSC HVdc project. As shown in the table, the Project does not result in any significant adverse impact (≤ 1%) to the transfer capability. The project does increase the transfer capability with New York.

Table 4.2 – Summer Transfer Levels With and Without Cross Sound HVdc Cable IMPORT Mode: Transfers Long Island to Connecticut

Summer Normal Transfer Direct Tie Limit (MW)1

Summer Emergency Transfer Direct Tie Limit (MW) 1

Interface With Project

Without Project

See Note

With Project Without Project

See Note

ISONE-NYISO 1140 1171 2 1555 1586 2

NYISO-ISONE

1363 /1693* 1385 3 2077

/2407* 2104 4

*With HVDC tie flow included

Notes: 1) Cross Sound HVdc Project at 330 MW net export to Connecticut. 1385 cable (Northport-Norwalk) at 0 MW import from Connecticut. 2) 395 Ludlow-Meekville-Manchester at 1605 LTE rating for loss of 347S line (Lake Road – Card 345kV) + 1870 SPS. 3) 1385 Northport-Norwalk at 335 LTE rating for loss of 398 line (Pleasant Valley-Long Mountain 345kV) and 321 line (Long Mountain-Plum Tree 345kV). 4) 1385 Northport-Norwalk at 450 STE rating for loss of 398 line (Pleasant Valley-Long Mountain 345kV) and 321 line (Long Mountain-Plum Tree 345kV).

4.3. Voltage Analysis: Export and Import Mode of Operation

For conditions studied, the postcontingency voltage profile in the southwestern Connecticut area demonstrated signs of a weak supply for the existing system as has been found in previous studies of the area. The CSC HVdc project slightly aggravated this area under some conditions with postcontingency voltages with the project in-service generally less than +/- 1% of the voltages without the project. Consistent with the Haddam Neck studies, the following contingencies in the southwestern CT resulted in voltage violations with post contingency voltages below 0.9 pu for many of the dispatches reviewed.

• loss of 1770 (Plum Tree x Stony Hill x Bates Rock 115 kV) results in low voltages in the Shepaug and Bates Rock area

• simultaneous loss of 1710 and 1730 (Devon x Old Town x Pequonnock 115 kV and Devon x Hawthorn x Pequonnock 115 kV) results in low voltages at the Hawthorn and Old Town substations (becomes radial feed from Norwalk 115 kV)

• simultaneous loss of 1770 and 321 (Plum Tree x Stony Hill x Bates Rock 115 kV and Long Mountain x Plum Tree 345 kV) results in low voltages in the Shepaug and Bates Rock area


16


It should be noted that NU is currently investigating the addition of reactive compensation in the area to address poor voltage performance and ISO-NE is also conducting a Southwest Connecticut reliability study to address concerns in the area. Considering the overall voltage performance in the southwest CT area following these contingencies, the CSC HVdc project is not responsible for correcting system voltage. For the rest of the Connecticut postcontingency voltage profiles for either Export or Import mode of operation of the CSC HVdc project were within acceptable limits or within 0.5% of the cases without the project. Voltage analysis results for voltage violations comparing of the impact with and without the project are provided in Appendix VI.

4.4. Cross Sound Cable SPS: Modified 387 LEO SPS As noted in Section 4.1.3, previous Section 18.4 approval of the project required the addition of a new 345 kV breaker at Scovill Rock to avoid loss of both 353 and 376 circuits for failure of the 7T breaker in addition to the 387 LEO SPS. When the CSC HVdc project was downsized from 600 MW to 330 MW, the impact of the Scovill Rock 7T breaker contingency was not evaluated due to uncertainty with other relevant queued resources that had not had studies completed at the time. The local 115 kV transmission serving the New Haven area load may exceed emergency ratings under very limited system conditions of high CT area load, heavy CT power transfers, export to NY via the Project and no local generation at New Haven Harbor. If New Haven Harbor is available, the 387 LEO is not a concern. Operation of the 387 LEO SPS to runback the HVdc facilities would alleviate thermal overload concerns. It is under similar conditions with New Haven Harbor unavailable that the stuck 7T 345 kV breaker at Scovill Rock resulting in the loss of the 353 (Scovill Rock x Manchester 345 kV) and 376 (Scovill Rock x Haddam Neck 345 kV) circuits could result in a possible overload of 88004 (Sackett x Mix Ave 115 kV) and Sackett phase shifter. Under this condition as with the 387 LEO, power transfer on the CSC HVdc is supplied entirely from the local 115 kV transmission. Results of the current analysis with the relevant resources included indicate postcontingency loadings associated with the Scovill Rock 7T breaker contingency are within 2% of the LTE rating of facilities and below STE rating. This is significantly less of an impact as was previously expected when the CSC HVdc project was 600 MW, where several transmission facilities could be expected to be a concern above STE rating. Table 4.3 summarizes all conditions where the Scovill Rock 7T breaker contingency resulted in loadings at or above LTE ratings based on the current analysis of this report. These overloads may also be alleviated by runback of the CSC HVdc. An alternative to the approved Scovill Rock breaker upgrade is modification of the approved 387 LEO SPS to include 7T breaker failure indication as another runback trigger. This may be


17


easily accomplished and would require same runback indication signal as the 387 LEO condition. The proposed Cross Sound Cable SPS would initiate runback to 0 MW for either a 387 LEO condition (open 5T and 8T breaker at Scovill Rock) or backup breaker failure of 7T breaker and only is required when CSC HVdc is operating in the export mode. For simplicity, runback to 0 MW is considered. Additional operational analysis may be conducted at a later date to determine if another level runback may be implemented that would cover both the 387 LEO and the 7T stuck breaker condition. SPS Triggering and Arming - The proposed SPS would be armed 100% of the time and triggered by breaker status of the breakers associated with the 353, 376 and 387 circuits at Scovill Rock. Operation of the SPS would result in full runback of the HVdc facilities to 0 MW under export mode transfer from CT on the CSC HVdc facilities. SPS operation would be blocked when CSC HVdc is operating in import mode. Inadvertent SPS Operation - The resulting impact to the interconnected system for an inadvertent operation of the SPS to runback the HVdc facilities would be similar to loss of the Project. It has been demonstrated in system impact studies that loss of the Project would have no adverse impact to either the New York or New England systems. Failure of SPS to Operate - Failure of the SPS to operate during HVdc export to Long Island and during heavy system stress conditions of high CT area load, heavy CT power transfers could result in overload on local 115 kV transmission serving the local New Haven area loads. Depending on local CT generation dispatch and assuming the local New Haven Harbor unit is unavailable, this may result in loadings of about 100% to 102 % of the LTE rating on the 88005A and 88005B 115 kV circuits (Devon Switching Station – Milvon) and 84004 (Sackett - Mix Ave) 115 kV transmission loaded above LTE, but below STE rating. Manual runback of the HVdc facilities in event of a failure of the SPS to operate may be initiated to alleviate overloads. Impact would be limited to the local CT area. NPCC SPS TYPE – Type III - No inter-Area impact results for either failure of the SPS to operate when required or from inadvertent SPS operation. As noted above, it is only during limited system conditions of high CT area load, heavy CT power transfers, export to NY on the Project and no local generation at New Haven Harbor and/or Middletown #4 that there may be a need for the Cross Sound Cable SPS to operate.


18


Table 4.3 Summary of Overload Conditions Resulting From Scovill Rock Stuck 7T Breaker Contingency

Cross Sound Export Mode – 330 MW Net to Long Island Cases with New Haven Harbor, Middletown #4 and English #7&8 Off-Line

(Wallingford, Milford, Bridgeport, Towantic on-line) LIMITING Normal/LTE/STE % LOADFLOW CASE COMPARISON LINE BUS NAME BUS NAME CONTINGENCY RATING FLOW LTE neny7pkex-2 and 84004 3672 *SACKETT 115 3673 SACKPHS 115 1 SCVRK_7T_STK 129/138/157 137.1 99.4 csc-neny7pkex-2 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 129/138/157 136.5 99.8 neny7pkex-3 and 84004 3672 *SACKETT 115 3673 SACKPHS 115 1 SCVRK_7T_STK 129/138/157 138.6 100.4 csc-neny7pkex-3 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 129/138/157 137.9 100.9 neny7pkimp-4 and 84004 3672 *SACKETT 115 3673 SACKPHS 115 1 SCVRK_7T_STK 129/138/157 136.6 99.0 csc-neny7pkimp-4 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 129/138/157 136.0 99.9 nyne7pkimp-2 and 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 129/138/157 135.9 100.9 csc-nyne7pkimp-2 88005A 3688 *MILVON A 115 3690 DEVON178 115 1 SCVRK_7T_STK 221/284/300 283.7 99.1 nyne7pkimp-3 and 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 129/138/157 135.8 101.2 csc-nyne7pkimp-3 88005A 3688 *MILVON A 115 3690 DEVON178 115 1 SCVRK_7T_STK 221/284/300 285.0 99.6 89005B 3689 *MILVON B 115 3691 DEVON179 115 1 SCVRK_7T_STK 221/284/300 284.7 99.5 Notes:

1) SCVRK_7T_STK = Scovill Rock Stuck 7T breaker. Results in loss of 353 and 376 circuits from Scovill Rock. As such, Scovill Rock become radial to East Shore.

2) Runback of Cross Sound HVdc alleviates all overloads. 3) Scovill Rock stuck 7T breaker is a concern only for Cross Sound HVdc exporting to Long Island. Import mode into Connecticut is not a concern.


19


4.5. Impact on Reactive Resources

To prevent voltage instability of the Connecticut area, guidelines have been developed for the reactive output of generation at Millstone, Montville #6, Middletown #4 and New Haven Harbor. The Millstone units should be limited to about 150 MVAr output and the Montville and Middletown units to about 60 MVAr. The guidelines were developed prior to the approval of new generation in the area that includes Towantic, Milford, Wallingford, Lake Road, Meriden etc. which will support the reactive demands of the system. The associated I2X losses for a 330 MW net export (346 MW with losses) via the CSC HVdc project could increase the reactive demand on these units above these levels for conditions when closest unit of New Haven Harbor or others are not available. To determine the amount of incremental reactive demand from the 330 MW transfer, the Millstone, Middletown #4 units one Meriden unit were run as synchronous condensers and the MVAR output compared with and without the HVdc project in-service. The New Haven Harbor unit, English units and the Haddam Neck were not in-service. The 103 MVar of ac filters required by the HVdc facilities are modeled in this analysis. Table 4.4 summarizes the incremental reactive demand. About 12 MVar less is required from the local units with the HVdc in-service, based on a net 65 MVar flow from the HVdc facilities. This may be considered a worse case scenario for reactive demand in the area.

Table 4.4 – Incremental Reactive Demand on Local Units

No HVdc With HVdc Delta Generator Unit MW MVAR MW MVAR MW MVAR

Middletown #4 0 143 0 136 0 -7 Montville 6 400 43 400 38 0 -5

New Haven Harbor 0 0 0 0 0 0 Millstone #2 0 51 0 51 0 0 Millstone #3 0 51 0 51 0 0 Wallingford 255 47 255 50 0 3

Haddam Neck 0 0 0 0 0 0 Meriden 280 -94 560 -89 280 5 Towantic 360 112 430 104 70 -8

CSC HVdc net at 345 kV East Shore - - -346 65

Total 1295 353 1645 341 -12 Notes: 1) Information based on peak load conditions with (case csc-neny7pkimp-4) and without HVdc (case

neny7pkimp-4). Units run as synchronous condensers scheduled to control 1.035 pu voltage for this analysis. 2) 103 MVar of filters at East Shore HVdc converter modeled. HVdc facility delivers a net of 65 MVar to the system.

4) Loadflow model includes 16 MW of losses for HVdc facilities.


20


4.6. HVdc Converter AC Filter Bank Switching Present design includes the installation of 1X 61 MVar filter bank (25th harmonic), 1 x 32 Mvar filter bank ( 41st harmonic) and 1 x 10 MVAr ( 21st harmonic) to be located at the East Shore Converter terminal with a similar design for the Shoreham converter. The 32 MVar and 10 MVar banks are switched together with the converter transformer when connecting to the ac system. The 61 MVar bank will be switched separately by a separate breaker during deblock and ramping of the HVdc converter. Powering down would be in the reverse order. Based on a weak system with New Haven Harbor and Wallingford out of service and the 387 line open at Scovill Rock, switching the largest bank (61 MVar) would result in a 2% voltage change at the East Shore 115 kV bus. This is a worse case scenario and not an expected mode of operation with 387 out-of-service. Harmonic impact on local electric railroad filters/capacitors and impacts on high voltage capacitor switching is not included as part of the scope of this study and will be investigated in a separate study reviewed by ISO-NE, UI, NU and their respective consultants.

4.7. Subsynchronous Torsional Interaction – SSTI Subsynchronous torsional interaction (SSTI) of the HVdc with local generation is not included as part of the scope of this study and will be investigated in a separate study reviewed by ISO-NE, UI, NU and their respective consultants. 5.0 SYSTEM UPGRADES REQUIRED System upgrades identified in this analysis are as follows

• Upgrade of the 1777 line wave trap • Scovill Rock SPS (NPCC Type III) to runback the CSC HVdc facilities under

export mode to 0 MW for the following conditions o 387 LEO at Scovill Rock o Stuck 7T breaker at Scovill Rock

Figure 5.1 illustrates the new proposed interconnection for the Cross Sound HVdc Project without the Scovill Rock breaker addition and 376 line retermination previously approved under Section 18.4.


21


4T

5T

7T


353 to Manchester

Scovill Rock 345 kV Station*

Middletown #4

387

W

W

New Haven HVdc Converter Facilities

To Shoreham (LIPA)

East Shore

115 kV 115 kV

Figure 5.1 Current Proposed Cross Sound Cable Project Interconnection

W

Additional Upgrades *Cross Sound SPS - HVdc runback for 387 LEO or stuck 7T breaker at Scovill Rock ** Replace wave trap on 1777 line


22


6.0 CONCLUSIONS Analysis indicates that one new additional system reinforcement to replace the 1777 line wave trap is required to remove the subordinate status of the Project when considering the Relevant Queued Resources that have a higher priority to the CSC HVdc Project. The analysis also indicates that the previously required addition of a 345 kV breaker at Scovill Rock9 for a stuck breaker condition at Scovill Rock is no longer necessary. Concerns for this condition may be alleviated by modifying the currently approved 387 line-end-open (LEO) NPCC Type III SPS10 that initiates runback the HVdc converter to also include runback of the facility for the Scovill Rock stuck 7T breaker condition. Full runback of the facility for either the 387 LEO or Scovill Rock 7T breaker condition is initially proposed. Based on the conditions studied, interconnection of the proposed Cross Sound HVdc Cable Project will not have a significant adverse impact on the New England bulk power system.

9 Section 18.4 application NU-00-T25. This application would be withdrawn. 10 Section 18.4 application NU-00-X26. This application would have to be revised as stated.

APPENDIX I

Study Area and Interconnection Configuration

Maximum Transfer Capability - 330

Figure 1 - Simplified One-line of Proposed Cross Sound CaTransmission System

HVDC Cable ( -150 kV )

HVDC Cable ( +150 kV )

Approximately 23 statute miles

New Haven Converter Station

Sho

Converter

AC Filters

C

Breaker & Disconnects

**

NOTES: * 330 MW Net (330 MW + 16 MW losses = 346 MW) ** Does not include breaker addition approved. Alternative: SPS to runback HVdc for 387 LEO or stuck 7T breaker

7T

8T

353 to Manchester

376 to Haddam Neck

4T

5T

MW Net*

ble HVDC

Shoreham 138kV

reham Converter Station

AC Filters

onverter **

1340

1320

1360

1350

1390

1370

138-863 Wildwood

138-891 Wading River

138-861 Brookhaven

138-885 Miller Place

-L1

-F1

-C2

-L1

-F1

-R1 -L1

-T1

-Q11

-T1

-T1

-C1

-F1 -R1 -L1

-T1

-F1

-Q21

-Q1

-Q11

-L2

-C3

-Q21-Z1

-U1

-C1

-R1 -L1

-T1

-F1

-C1

-T2 -T2

-T11

-C1

-T2

-T2

-F1-Q11 -Q1 -R2

-Q2

-T11

-L1

-R1 -L2

-Z1

-C1

-C2

-C2

-X1

-C1

-V3

-V4-C2

-V3

-V4-C2

-V3

-V4

-C1-V1

-V2

-C1 -V1

-V2

-C1 -V1

-V2

-C2

-L2-L1

-T3

-T3

-T3

-V5

-V6

-V5

-V6

-V5

-V6

-T1

-T2 -T2 -T2

-T1 -T1 -T1

-Z1 -Z1-Z1

-Z2 -Z2 -Z2

-T4 -T4 -T4

-T5-T5-T5

-L1

-F1

-Q11

-T1

-Q21-U1

-Z3

-Z3

-Z3

Note: All disconnectors (Q1x), and earthing switches (Q2x) are motor operated.

Arrester =WT-F1 changed to capacitor =WT-C1.

Transformer =WT-T1 redrawn and renamed. HF blocking filters added in area U.

0504

LSS/AH

LC/LR

01-03

00-51

Two new derivative measuring devices added in V areas (-T4 and -T5).06 LSS/JW 01-06

25 th 41 st 21st

-Z11 -Z12

=WZ

=WP1

=WP2

-Z13

200 kV

+ 150 kV

- 150 kV

=WT

-T1

10 MVAR32 MVAR61 MVAR

=U

-VA -VB -VC

HF circuit added in V areas (-Z3). WB area removed.07 LSS/JW 01-14

-T2

-T2

Appd Year Week

Rev Ind

Rev IndABB POWER SYSTEMS AB

Revision

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01-14 1JNL100037-770

Cross Sound Cable, New Haven

Rev Ind

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Sheet

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Single Line Diagram

-L1

-F1

-C2

-L1

-F1

-R1 -L1

-T1

-Q11

-T1

-T1

-C1

-F1 -R1 -L1

-T1

-F1

-Q21

-Q1

-Q11

-L2

-C3

-Q21-Z1

-U1

-C1

-R1 -L1

-T1

-F1

-C1

-T2 -T2

-T11

-C1

-T2

-T2

-F1-Q11 -Q1 -R2

-Q2

-T11

-L1

-R1 -L2

-Z1

-C1

-C2

-C2

-X1

-C1

-V3

-V4-C2

-V3

-V4-C2

-V3

-V4

-C1-V1

-V2

-C1 -V1

-V2

-C1 -V1

-V2

-C2

-L2-L1

-T3

-T3

-T3

-V5

-V6

-V5

-V6

-V5

-V6

-T1

-T2 -T2 -T2

-T1 -T1 -T1

-Z1 -Z1-Z1

-Z2 -Z2 -Z2

-T4 -T4 -T4

-T5-T5-T5

-L1

-F1

-Q11

-T1

-Q21-U1

-Z3

-Z3

-Z3

-Q2

Note: All disconnectors (Q1x), and earthing switches (Q2x) are motor operated.

05 Arrester =WT-F1 changed to capacitor =WT-C1.

04 Transformer =WT-T1 redrawn and renamed. HF blocking filters added in area U.

LSS/AH 01-03

LC/LR 00-51

Two new derivative measuring devices added in V areas (-T4 and -T5).06 LSS/JW 01-06

25 th 41 st 21st

-Z11 -Z12

=WZ

=WP1

=WP2

-Z13

200 kV

+ 150 kV

- 150 kV

=WT

-T1

10 MVAR32 MVAR61 MVAR

=U

-VA -VB -VC

07 LSS/JW 01-14HF circuit added in V areas (-Z3). WB area removed.

-T2

-T2

Appd Year Week

Rev Ind

Rev IndABB POWER SYSTEMS AB

Revision

We

rese

rve

all r

ight

s in

this

doc

umen

t and

in th

ein

form

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Sys

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s (S

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Design checked by

T. Tulkiewicz / LSTDrawing checked by

A. Henriksson / LSSDrawn by

T. Björk / LSSIss by Dept

LSSYear Week

01-14 1JNL100037-769

Cross Sound Cable, Shoreham

Rev Ind

07

Sheet

1Cont

-Nam

e:C

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Shor

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SS/P

roje

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HVDC Light B 332

Single Line Diagram

ToLIPA

330 MW

New HavenHarbor Unit

Figure 2 – Connecticut Transmission

387 to Scovill Rock

Towantic Plant

Wallingford Plant

MilfordPower

HVDC330 MW

To LIPA Cross SoundCable Project

4X

Proposed Haddam Neck Project

Lake Road Plant

Meriden Plant

Proposed Southington Plant


APPENDIX II

Dispatch Summaries


Export Mode Case Set Loadflow Cases

Dispatch

CT Export/ Import

Interface


Against



Project Mode

Out-of-service Peakexp Csc-peakexp Montville, Midd#4,

Meriden, AES Thames Pkex-1 Csc- pkex-1 Export Midd#4, Milford Pkex-4 Csc- pkex-4 Out-of-service Peakimp Csc-peakimp Out-of-service Pkimp-1 Csc- pkimp-1

Peak Load

Import Midd#4, Milford, Meriden

0

Pkimp-6 Csc- pkimp-6 Out-of-service Midexp Csc-Midexp

Montville, Midd#4, Meriden, AES Thames Mdexp-1 Csc-Mdexp-1 Export

Midd#4, Milford Mdexp-4 Csc-Mdexp-4 Out-of-service Midimp Csc-Midimp

75% Load


0

Mdimp-1 Csc-Mdimp-1 Out-of-service NYNE7PKIMP CSC-NYNE7PKIMP

Import Montville, Miid#4, Meriden, AES Thames NYNE7PKIMP-1 CSC-NYNE7PKIMP-1

Montville, Midd#4, Meriden, AES Thames NYNE7PKEX CSC-NYNE7PKEX Export Montville, Midd#4, Meriden, AES Thames

700

NYNE7PKEX-1 CSC-NYNE7PKEX-1 Out-of-service NENY7PKIMP CSC-NENY7PKIMP

Import Montville, Miid#4, Meriden, AES Thames NENY7PKIMP-1 CSC-NENY7PKIMP-1

Out-of-service NENY7PKEX CSC-NENY7PKEX


Sensitivity

Export Montville, Miid#4, Meriden, AES Thames

-700

NENY7PKEX-1 CSC-NENY7PKEX-1 Out-of-service Peakexp-M1 Csc-Peakexp-M1

Montville, Miid#4, Meriden, AES Thames Pkex-1-M1 Csc-Pkex-1-M1

Out-of-service Midexp-M1 Csc-Midexp-M1 Millstone #1 Sensitivity Export

Montville, Miid#4, Meriden, AES Thames

0

Mdexp-1-M1 Csc-Mdexp-1-M1 Out-of-service NENY7PKIMP-2 CSC-NENY7PKIMP-2

Midd#4, Montville 700

NENY7PKIMP-3 CSC-NENY7PKIMP-3 Out-of-service NENY7PKIMP-4 CSC-NENY7PKIMP-4 Out-of-service NENY7PKIMP-5 CSC-NENY7PKIMP-5

Import

Out-of-service -700

NENY7PKIMP-6 CSC-NENY7PKIMP-6 Out-of-service -145 NENY7PKEX-2 CSC-NENY7PKEX-2

Midd#4, Montville -544 NENY7PKEX-3 CSC-NENY7PKEX-3 Out-of-service 425 NYNE7PKEX-2 CSC-NYNE7PKEX-2

Midd#4, Meriden 352 NYNE7PKEX-3 CSC-NYNE7PKEX-3

CT 115 kV Generation Dispatches

Export Midd#4, Milford,

Meriden -171

Mdexp-6 CSC-Mdexp-6

330 MW Net


Import Mode Case Set

Loadflow Cases

Dispatch

CT Export/ Import

Interface


Against



Project Mode

Out-of-service Ipeakexp Csc-peakexp Export Midd#4, Meriden,

AES Thames -150

Ipkex-2 Csc- pkex-1

Out-of-service Ipeakimp Csci-peakimp

Peak Load Import Midd#4, Meriden,

AES Thames 0

Ipkimp-2 Csci- pkimp-2

Out-of-service Imidexp Csci-Midexp Export Montville, Midd#4,

Meriden, AES Thames

0

Imdexp-2 Csci-Mdexp-2 Out-of-service Imidimp Csc-Midimp

75% Load


-165

Idimp-1 Csci-Mdimp-1 Out-of-service 290 INYNE7PKIMP CSCI-NYNE7PKIMP Import Meriden, AES Thames 490 INYNE7PKIMP-2 CSCI-NYNE7PKIMP-2

Midd#4, Meriden, AES Thames INYNE7PKEX CSCI-NYNE7PKEX Export Montville, Miid#4,

Meriden, AES Thames

700

INYNE7PKEX-2 CSC-NYNE7PKEX-2 Out-of-service NENY7PKIMP CSC-NENY7PKIMP


-900 NENY7PKIMP-2 CSCI-NENY7PKIMP-2

Out-of-service NENY7PKEX CSCI-NENY7PKEX


Sensitivity

Export Montville, Midd#4, Meriden, AES Thames

-700 NENY7PKEX-1 CSCI-NENY7PKEX-2

330 MW Net


Export Mode: Peak Load Dispatches The following Table II-1 summarizes the base system (no CSC HVdc project) peak load dispatches used in the analysis and Table II-2 summarizes the corresponding dispatches with the CSC HVdc project in-service with a net 330 MW transfer from CT to Long Island.

Table II-1 Peak Load Dispatches: No CSC Project Case Names

Plant Peakexp Pkex-1 Pkex-4 Peakimp Pkim-1 Pkim-6 Haddam Neck 0 800 800 0 800 800 Millstone 1 0 0 0 0 0 0 Millstone 2 857 857 857 0 0 0 Millstone 3 1137 1137 1137 0 0 0 Montville 5 70 0 70 70 0 70 Montville 6 400 400 400 400 400 400 AES Thames 181 131 181 181 131 181 Middletown 4 400 0 0 400 0 0 Meriden 560 280 560 280 0 0 AES Southington 786 786 786 0 0 0 Bridgeport 3 375 375 375 375 375 375 Milford 560 560 160 280 280 160 Bridgeport Energy 520 520 520 448 448 448 Lake Road 840 840 840 0 0 0 New Haven 447 447 447 390 390 390 Towantic 0 0 0 0 0 0 Wallingford 102 102 102 102 102 102

I. Interfaces CT Export 2038 2028 2021 -2240 -2250 -2256 NY-NE 8 5 9 13 17 4 SW Conn Import 634 636 985 1055 1056 1163 East West -2742 -2730 -2728 1163 1169 1171 Flow to LI on 1385 200 200 200 200 200 200

Table II-2 - Peak Load Dispatches: CSC HVDC 330 MW Net Export to Long Island

Case Names

Plant CSC-Peakexp

CSC-Pkex-1

CSC-Pkex-4

CSC-Peakimp

CSC-Pkim-1

CSC-Pkim-6

Haddam Neck 0 800 800 0 800 800 Millstone 1 0 0 0 0 0 0 Millstone 2 857 857 857 0 0 0 Millstone 3 1137 1137 1137 0 0 0 Montville 5 70 0 70 70 0 70 Montville 6 400 400 400 400 400 400

AES Thames 181 131 181 181 131 181 Middletown 4 400 0 0 400 0 0

Meriden 560 280 560 280 0 0 AES Southington 786 786 786 0 0 0

Bridgeport 3 375 375 375 375 375 375 Milford 560 560 160 473 473 353

Bridgeport Energy 520 520 520 448 448 448 Lake Road 840 840 840 0 0 0 New Haven 447 447 447 390 390 390 Towantic 0 0 0 0 0 0

Wallingford 102 102 102 255 255 255 II. Interfaces

CT Export 1695 1686 1676 -2240 -2250 -2254 NY-NE 350 351 2 18 16 19

SW Conn Import 622 623 974 730 730 943 East West -2734 -2727 -2724 1158 1169 1171

Flow to LI on 1385 200 200 200 0 0 0

Export Mode: 75% Load Dispatches The following Table II-3 summarizes the base system 75% load dispatches used in the analysis and Table II-4 summarizes the corresponding dispatches with the CSC HVdc project in-service with a net 330 MW transfer from CT to Long Island.

Table II-3 – 75% Load Dispatches: No CSC Project Case Names

Plant Midexp Mdex-1 Mdex-4 Midimp Mdim-1 Haddam Neck 0 800 800 0 800 Millstone 1 0 0 0 0 0 Millstone 2 857 857 857 0 0 Millstone 3 1137 1137 1137 0 0 Montville 5 70 0 70 70 0 Montville 6 400 400 400 0 0 AES Thames 181 131 181 181 131 Middletown 4 400 0 0 400 0 Meriden 560 280 560 280 0 AES Southington 0 0 0 0 0 Bridgeport 3 375 375 375 303 303 Milford 560 560 160 0 0 Bridgeport Energy 0 0 0 0 0 Lake Road 840 840 840 0 0 New Haven 447 447 447 0 0 Towantic 0 0 0 0 0 Wallingford 102 102 102 102 102

III. Interfaces CT Export 2541 2532 2526 -2546 -2556 NY-NE 9 8 12 12 14 SW Conn Import 188 189 537 1376 1378 East West -2574 -2564 -2564 1497 1506 Flow to LI on 1385 200 200 200 200 200

Table II-4 - 75% Load Dispatches: CSC HVdc 330 MW Net Export to Long Island

Case Names

Plant CSC-Midexp

CSC-Mdex-1

CSC-Mdex-4

CSC-Midimp

CSC-Mdim-1

Haddam Neck 0 800 800 0 800 Millstone 1 0 0 0 0 0 Millstone 2 857 857 857 0 0 Millstone 3 1137 1137 1137 0 0 Montville 5 70 0 70 70 0 Montville 6 400 400 400 0 0 AES Thames 181 131 181 181 131 Middletown 4 400 0 0 400 0 Meriden 560 280 560 280 0 AES Southington 0 0 0 0 0 Bridgeport 3 375 375 375 303 303 Milford 560 560 160 193 193 Bridgeport Energy 0 0 0 0 0 Lake Road 840 840 840 0 0 New Haven 447 447 447 0 0 Towantic 0 0 0 0 0 Wallingford 102 102 102 255 255

IV. Interfaces CT Export 2202 2192 2185 -2542 -2552 NY-NE 349 348 355 -1 9 SW Conn Import 174 175 525 1048 1048 East West -2570 -2560 -2560 1497 1506 Flow to LI on 1385 200 200 200 200 200

Export Mode: Sensitivity to Local CT Generation Sensitivity The following Table II-5 summarizes the base system dispatches used in the analysis to test the sensitivity to local generation near the project and Table II-6 summarizes the corresponding dispatches with the CSC HVdc project in-service with a net 330 MW transfer from CT to Long Island. These dispatches review impact of the CSC HVdc project on the system for various outage scenarios of the New Haven Harbor, Middletown #4, Wallingford, English and Towantic plants at peak load. Table II-7 summarizes dispatches at 75% load and with the New Haven Harbor, Middletown #4 and English plants unavailable. Table II-5– Peak Load with Local CT Generation Sensitivity: No CSC Project

Case Names Plant NYNE7PKIMP-

2 NYNE7PKIMP-

3 NENY7PKIMP-

4 NENY7PKIMP-

5 NENY7PKIMP-6 NENY7PKEX-2

NENY7PKEX-3

NYNE7PKEX-2 NYNE7PKEX-3

Haddam Neck 0 800 0 0 0 0 800 0 800 Millstone 1 0 0 0 0 0 0 0 0 0 Millstone 2 0 0 0 0 0 857 857 857 857 Millstone 3 0 0 0 0 0 1137 1137 1137 1137 Montville 5 70 0 70 70 70 70 0 70 0 Montville 6 400 0 400 400 400 60 60 60 60 AES Thames 181 131 181 181 181 181 131 181 131 Middletown 4 0 0 0 0 400 0 0 400 0 Meriden 280 0 280 280 280 560 280 560 0 AES Southington 0 0 0 0 0 786 786 786 786 Bridgeport 3 375 375 375 375 375 375 375 375 375 Milford 560 560 560 560 560 560 560 560 560 Bridgeport Energy 520 520 520 520 520 520 520 520 520 Lake Road 0 0 0 0 0 840 840 840 840 New Haven 0 0 0 447 0 0 0 447 447 Towantic 549 549 360 170 227 549 549 549 549 Wallingford 0 0 255 0 0 255 255 255 0 English Units (#7&8) 72 72 0 0 0 0 0 0 72 V. Interfaces CT Export -2221 -2230 -2245 -2243 -2238 1488 1871 2322 2384 NY-NE 709 714 -693 -696 -700 -145 -544 425 352 SW Conn Import 682 685 681 685 1053 442 443 28 -39 East West 728 734 1770 1770 1769 -2070 -2061 -3145 -3135 Flow to LI on 1385 200 200 200 200 200 200 200 200 200

Table II-6– Peak Load with Local CT Generation Sensitivity: CSC HVdc 330 MW Net Export to Long Island

Case Names

Plant CSC-NYNE7PKIMP-2

CSC-NYNE7PKIMP-3

CSC-NENY7PKIMP-4

CSC-NENY7PKIMP-5

CSC-NENY7PKIMP-6

CSC-NENY7PKEX-2

CSC-NENY7PKEX-3

CSC- NYNE7PKEX-2

CSC- NYNE7PKEX-3

Haddam Neck 0 800 0 0 0 0 800 0 800 Millstone 1 0 0 0 0 0 0 0 0 0 Millstone 2 0 0 0 0 0 857 857 857 857 Millstone 3 0 0 0 0 0 1137 1137 1137 1137 Montville 5 70 0 70 70 70 70 0 0 0 Montville 6 400 0 400 400 400 400 400 400 400 AES Thames 181 131 181 181 181 181 131 181 131 Middletown 4 0 0 0 0 400 0 0 400 0 Meriden 560 280 560 560 560 560 280 560 280 AES Southington 0 0 0 0 0 786 786 786 786 Bridgeport 3 375 375 375 375 375 375 375 375 375 Milford 560 560 560 560 560 560 560 560 560 Bridgeport Energy 520 520 520 520 520 520 520 520 520 Lake Road 0 0 0 0 0 840 840 840 840 New Haven 0 0 0 447 0 0 0 447 447 Towantic 549 549 430 240 297 549 549 549 549 Wallingford 0 0 255 0 0 255 255 0 0 English Units (#7&8) 72 72 0 0 0 0 0 0 72 VI. Interfaces CT Export -2295 -2304 -2247 -2241 -2240 1473 1857 2312 2383 NY-NE 785 788 -691 -697 -698 -130 -530 435 364 SW Conn Import 2298 675 601 603 973 430 431 14 -53 East West 729 735 1770 1769 1769 -2071 -2062 -3147 -3147 Flow to LI on 1385 200 200 200 200 200 200 200 200 200

Table II-7 – Peak Load with Local CT Generation Sensitivity: With and Without CSC Project

No Project With Project 330

Mw Export to Long Island

Plant Mdexp-6 CSC-Mdexp-6 Haddam Neck 800 800 Millstone 1 0 0 Millstone 2 857 857 Millstone 3 1137 1137 Montville 5 0 0 Montville 6 60 400 AES Thames 131 131 Middletown 4 0 0 Meriden 280 280 AES Southington 0 0 Bridgeport 3 375 375 Milford 560 560 Bridgeport Energy 340 340 Lake Road 840 840 New Haven 0 0 Towantic 549 549 Wallingford 255 255 English Units (#7&8) 0 0

VII. Interfaces CT Export 2712 2700 NY-NE -171 -160 SW Conn Import -290 -303 East West -2560 -2565 Flow to LI on 1385 200 200

Export Mode: Sensitivity to New York-New England Transfers The following Tables II-8 summarizes the base system dispatches used in the analysis to test the sensitivity to the New York – New England transfers and Table II-9 summarizes the corresponding dispatches with the CSC HVdc project in-service with a net 330 MW transfer from CT to Long Island. Tables II-10 and II-11 summarize dispatches for NE-NY sensitivity. Table II-8 - NY-NE Sensitivity: No CSC Project

Case Names Plant NYNE7PKIMP NYNE7PKIMP-1 NYNE7PKEX NYNE7PKEX-1

Haddam Neck 0 800 0 800 Millstone 1 0 0 0 0 Millstone 2 0 0 857 857 Millstone 3 0 0 1137 1137 Montville 5 70 0 70 0 Montville 6 400 400 400 400 AES Thames 181 131 181 131 Middletown 4 400 0 400 0 Meriden 280 0 560 280 AES Southington 0 0 786 786 Bridgeport 3 375 375 375 375 Milford 280 280 560 560 Bridgeport Energy 448 448 520 520 Lake Road 0 0 840 840 New Haven 390 390 447 447 Towantic 0 0 0 0 Wallingford 102 102 102 102

VIII. Interfaces CT Export -2228 -2239 2038 2029 NY-NE 717 720 712 710 SW Conn Import 1059 1060 637 639 East West 727 733 -3144 -3134 Flow to LI on 1385 200 200 200 200

Table II-9– NY-NE Sensitivity: CSC HVDC 330 MW Net Export to Long Island

Case Names Plant CSC-

NYNE7PKIMP CSC-NYNE7PKIMP-1

CSC-NYNE7PKEX

CSC-NYNE7PKEX-1


IX. Interfaces CT Export -2228 -2239 1694 1685 NY-NE 716 720 1062 1059 SW Conn Import 733 733 626 627 East West 727 733 -3140 -3130 Flow to LI on 1385 200 200 200 200

Table II-10 NE-NY Sensitivity: No CSC Project

Case Names Plant NENY7PKIMP NENY7PKIMP-1 NENY7PKEX NENY7PKEX-1


X. Interfaces CT Export -2256 -2268 2033 2022 NY-NE -682 -683 -692 -695 SW Conn Import 1052 1054 631 633 East West 1769 1782 -2079 -2065 Flow to LI on 1385 200 200 200 200

Table II-11– NE-NY Sensitivity: CSC HVDC 330 MW Net Export to Long Island

Case Names Plant CSC-

NENY7PKIMP CSC-NENY7PKIMP-1

CSC-NENY7PKEX

CSC-NENY7PKEX-1


XI. Interfaces CT Export -2255 -2266 1692 1680 NY-NE -683 -685 -351 -354 SW Conn Import 726 727 619 620 East West 1769 1782 -2075 -2061 Flow to LI on 1385 200 200 200 200

Export Mode: Sensitivity to Millstone 1 The following Tables II-12summarizes the base system dispatches used in the analysis to test the sensitivity to the Millstone 1 unit and Table II-13 summarizes the corresponding dispatches with the CSC HVdc project in-service with a net 330 MW transfer from CT to Long Island. Table II-12- Millstone 1 Sensitivity: No CSC Project

Case Names Plant PEAKEXP-M1 PKEX-M1 MIDEXP-M1 MDEXP-M1


XII. Interfaces CT Export 2037 2027 2536 2526 NY-NE 8 11 15 13 SW Conn Import 636 637 225 226 East West -2745 -2739 -2576 -2565 Flow to LI on 1385 200 200 200 200

Table II-13–Millstone 1 Sensitivity: CSC HVDC 330 MW Net Export to Long Island

Case Names Plant CSC-PEAKE-M1 CSC-PKEX-M1 CSC-MIDEXP-M1 CSC-MDEXP-M1


XIII. Interfaces CT Export 1695 1685 2196 2186 NY-NE 353 355 356 355 SW Conn Import 623 625 212 213 East West -2741 -2735 -2572 -2561 Flow to LI on 1385 200 200 200 200

Import Mode: Peak Load Dispatches The following Tables II-14 summarizes the base system (no CSC HVdc project) peak load dispatches used in the analysis and Table II-15 summarizes the corresponding dispatches with the CSC HVdc project in-service with a net 330 MW transfer from Long Island to CT.

Table II-14- Peak Load Dispatches: No CSC Project Case Names

Plant Ipeakexp Ipkex-2 Ipeakimp Ipkimp-2 Haddam Neck 0 800 0 800

Millstone 1 0 0 0 0 Millstone 2 857 857 0 0 Millstone 3 1137 1137 0 0 Montville 5 70 0 70 0 Montville 6 400 400 400 400

AES Thames 181 131 181 131 Middletown 4 400 0 400 0

Meriden 560 280 280 0 AES Southington 786 786 0 0

Bridgeport 3 375 375 375 375 Milford 560 560 280 280

Bridgeport Energy 520 520 448 448 Lake Road 840 840 0 0 New Haven 447 447 447 447 Towantic 0 0 0 0

Wallingford 255 255 255 255

Interfaces CT Export 2189 2180 -2014 -2024

NY-NE -147 -150 -6 -7 SW Conn Import 506 508 870 871

East West -2745 -2714 952 903 Flow to LI on 1385 0 0 0 0

Table II-15- Peak Load Dispatches: Cross Sound HVDC 330 MW Net Import From Long Island

Case Names Plant CSCI-

Peakexp CSCI-Pkex-2

CSCI-Peakimp

CSCI-Pkimp-2

Haddam Neck 0 800 0 800 Millstone 1 0 0 0 0 Millstone 2 857 857 0 0 Millstone 3 1137 1137 0 0 Montville 5 70 0 70 0 Montville 6 400 400 400 400

AES Thames 181 131 181 131 Middletown 4 400 0 0 0 Meriden 560 280 280 0 AES Southington 786 786 0 0 Bridgeport 3 375 375 375 375 Milford 560 560 280 280 Bridgeport Energy 520 520 448 448 Lake Road 840 840 0 0 New Haven 117 117 117 117 Towantic 0 0 0 0 Wallingford 255 255 255 255 Interfaces CT Export 2190 2186 -2014 -2017 NY-NE -148 -156 1 -14 SW Conn Import 829 520 1193 883 East West -2745 -2733 952 963 Flow to LI on 1385 0 0 0 0

Import Mode: 75% Load Dispatches The following Tables II-16 summarizes the base system 75% load dispatches used in the analysis and Table II-17summarizes the corresponding dispatches with the CSC HVdc project in-service with a net 330 MW transfer from Long Island to CT. Table II-16- 75% Load Dispatches: No CSC Project

Case Names Plant Imidexp Imdexp-2 Imidimp Imdimp-1

Haddam Neck 0 800 0 800 Millstone 1 0 0 0 0 Millstone 2 857 857 0 0 Millstone 3 1137 1137 0 0 Montville 5 70 0 70 0 Montville 6 400 400 0 0 AES Thames 181 131 181 131 Middletown 4 400 0 400 0 Meriden 560 280 280 0 AES Southington 0 0 0 0 Bridgeport 3 375 375 303 303 Milford 560 560 0 0 Bridgeport Energy 0 0 0 0 Lake Road 840 840 0 0 New Haven 447 447 0 0 Towantic 0 0 0 0 Wallingford 255 255 255 255 Interfaces CT Export 2531 2521 -2373 -2384 NY-NE 17 16 -167 -166 SW Conn Import 205 206 1239 1240 East West -2576 -2566 1496 1505 Flow to LI on 1385 0 0 0 0

Table II-17 - 75% Load Dispatches: Cross Sound HVdc 330 MW Net Import From

Long Island Case Names

Plant CSCI-Midexp

CSCI-Mdexp-2

CSCI-Midimp

CSCI-Mdimp-1

Haddam Neck 0 800 0 470 Millstone 1 0 0 0 0 Millstone 2 857 857 0 0 Millstone 3 1137 1137 0 0 Montville 5 70 0 70 0 Montville 6 400 400 70 0 AES Thames 181 131 181 131 Middletown 4 400 0 0 0 Meriden 560 280 280 0 AES Southington 0 0 0 0 Bridgeport 3 375 375 303 303 Milford 560 560 0 0 Bridgeport Energy 0 0 0 0 Lake Road 840 840 0 0 New Haven 117 117 0 0 Towantic 0 0 0 0 Wallingford 255 255 255 255 Interfaces CT Export 2532 2527 -2370 -2373 NY-NE 16 11 -171 -177 SW Conn Import 526 218 1248 1250 East West -2576 -2566 1496 1505 Flow to LI on 1385 0 0 0 0

Import Mode: Sensitivity to New York-New England Transfers The following Tables II-18 summarizes the base system dispatches used in the analysis to test the sensitivity to the New York – New England transfers and Table II-19 summarizes the corresponding dispatches with the CSC HVdc project in-service with a net 330 MW transfer from Long Island to CT. Tables II-20 and II-21 summarize dispatches for NE-NY sensitivity. Table II-18 - NY-NE Sensitivity: No CSC Project

Case Names Plant INYNE7PKIMP INYNE7PKIMP-2 INYNE7PKEX INYNE7PKEX-2

Haddam Neck 0 800 0 800 Millstone 1 0 0 0 0 Millstone 2 0 0 857 857 Millstone 3 0 0 1137 1137 Montville 5 70 0 70 0 Montville 6 400 400 400 400 AES Thames 181 131 181 131 Middletown 4 400 400 400 0 Meriden 280 0 560 280 AES Southington 0 0 786 786 Bridgeport 3 375 375 375 375 Milford 280 280 560 560 Bridgeport Energy 448 448 520 520 Lake Road 0 0 840 840 New Haven 447 447 447 447 Towantic 0 0 0 0 Wallingford 255 255 102 102 Interfaces CT Export -1814 -2017 2041 2031 NY-NE 291 490 704 702 SW Conn Import 704 873 653 654 East West 722 730 -3146 -3136 Flow to LI on 1385 0 0 0 0

Table 11-19 – NY-NE Transfer Sensitivity Dispatches: Cross Sound HVdc 330 MW Net Import From Long Island

Case Names

Plant CSCI-NYNE7PKIMP

CSCI-NYNE7PKIMP-2

CSCI-NYNE7PKEX

CSCI-NYNE7PKEX-2

Haddam Neck 0 800 0 800 Millstone 1 0 0 0 0 Millstone 2 0 0 857 857 Millstone 3 0 0 1137 1137 Montville 5 70 0 70 0 Montville 6 400 280 400 400 AES Thames 181 131 181 131 Middletown 4 400 400 400 0 Meriden 280 0 560 280 AES Southington 0 0 786 786 Bridgeport 3 375 375 375 375 Milford 280 280 560 560 Bridgeport Energy 448 448 520 520 Lake Road 0 0 840 840 New Haven 117 117 117 117 Towantic 0 0 0 0 Wallingford 255 255 102 102 Interfaces CT Export -1813 -2009 2042 2038 NY-NE 291 482 704 696 SW Conn Import 1026 884 975 666 East West 722 730 -3146 -3135 Flow to LI on 1385 0 0 0 0

Table II-20- NE-NY Transfer Sensitivity Dispatches: No CSC Project

INENY7PKIMP INENY7PKIMP-2 INENY7PKEX INENY7PKEX-

2 Haddam Neck 0 800 0 800 Millstone 1 0 0 0 0 Millstone 2 0 0 857 857 Millstone 3 0 0 1137 1137 Montville 5 70 0 70 0 Montville 6 400 400 400 400 AES Thames 181 131 181 131 Middletown 4 400 0 400 0 Meriden 280 0 560 280 AES Southington 0 0 786 786 Bridgeport 3 375 375 375 375 Milford 280 280 560 560 Bridgeport Energy 448 448 520 520 Lake Road 0 0 840 840 New Haven 447 447 447 447 Towantic 0 0 0 0 Wallingford 255 255 102 102 Interfaces CT Export -2035 -2046 2036 2024 NY-NE -904 -906 -696 -698 SW Conn Import 866 868 647 649 East West 1765 1779 -2080 -2067 Flow to LI on 1385 0 0 0 0

Table II-21 - NE-NY Transfer Sensitivity Dispatches: Cross Sound HVdc 330 MW

Net Import From Long Island Case Names

Plant CSCI-NENY7PKIMP

CSCI-NENY7PKIMP-2

CSCI-NENY7PKEX

CSCI-NENY7PKEX-2

Haddam Neck 0 800 0 800 Millstone 1 0 0 0 0 Millstone 2 0 0 857 857 Millstone 3 0 0 1137 1137 Montville 5 70 0 70 0 Montville 6 400 400 400 400 AES Thames 181 131 181 131 Middletown 4 400 0 400 0 Meriden 280 0 560 280 AES Southington 0 0 786 786 Bridgeport 3 375 375 375 375 Milford 280 280 560 560 Bridgeport Energy 448 448 520 520 Lake Road 0 0 840 840 New Haven 117 117 117 117 Towantic 0 0 0 0 Wallingford 255 255 102 102 Interfaces CT Export -2036 -2039 2036 2033 NY-NE -904 -919 -696 -707 SW Conn Import 1189 880 970 601 East West 1766 1779 -2080 -2066 Flow to LI on 1385 0 0 0 0

APPENDIX III

Contingency List


NEW ENGLAND Thermal/Voltage Contingency List

115 KV Contingencies

LINE DESCRIPTION 1000 Dudley x Montville x Bean Hill 1080 Card x Montville x Tunnel 1100 Barbour Hill x Enfield 1130 Pequonnock x Compo 1191 Frost Bridge x Campville 1206 Haddam x Conn Yankee 1207 Manchester x East Hartford 1222 Hawthorne x Old Town 1261 Haddam x Bokum 1272 Plumtree x Middle River 1280 Montville x Buddington x Mystic 1355 Southington x Hanover x Colony 1385 Norwalk Harbor x Northport 1389 Norwalk x Flax Hill 1416 Compo x Daden 1430 Ash Creek x Sasco Crek 1440 Glenbrook x Waterside 1450 Glenbrook x South End 1460 Branford RR x East Shore 1466 East Meridan x North Wallingford 1470 Norwalk x Peaceable 1508 Branford x Green Hill 1537 Branford x Branford RR 1545 Devon x Trap Falls 1560 Trap Falls x Ansonia x Stevenson 1565 Plumtree x Ridgefield x Peaceable 1570 Devon x Indian Wells x Beacon Falls 1575N Bunker Hill x Baldwin x Towantic 1575S Towantic x Beacon Falls 1580 Devon x South Naugatuck 1585N Bunker Hill x Towantic 1585S Towantic x South Naugatuck 1588 North Wallingford x Colony 1605 Montville x Flanders B x Williams B 1610 Southington x Mix Ave x June St 1618 Rocky River x West Brookfield 1620 Bokum x Middletown 1630N Southington x Wallingford PF 1630S North Haven x Wallingford PF 1637 Weston x Norwalk 1640 Devon x Wallingford PF 1655 Branford x North Haven 1668 Bunker Hill x Freight 1670 Southington x Berlin x Black Rock 1685 Devon x June St 1690 Southington x Devon x Hanover 1704 South Meadow x Southwest Hartford 1710 Devon x Old Town x Pequonnock 1720 Hawthorne x Norwalk 1721 Frost Bridge x Freight 1722 Southwest Hartford x NW. Hartford 1726 North Bloomfield x Farmington 1730 Devon x Weston x Pequonnock 1732 Canton x Carnpville x Franklin Drive 1740 Waterside x Cos Cob 1750 South End x Tomac x Cos Cob

1751 Manchester x N. Bloomfield x NW Hartford 1752 Berlin x Rocky Hill 1756 Bloomfield x Northwest Hartford 1765 Berlin x Westside 1767 Manchester x Hopewell 1769 Berlin x East New Britain 1770 Plumtree x Stony Hill x Bates Rock 1771 Southington x Berlin 1773 South Meadow x Rocky Hill 1775 Manchester x S. Meadow x Riverside 1777 North Bloomfield x Bloomfield 1779 South Meadow x Bloomfield 1780 Devon x Devon1780 1783 NewingtonxFarmington x E.New Britain 1784 N.Bloomfield x NE. Simsbury x Canton 1785 Berlin x Newington 1786 S. Meadow x Riverside x E. Hartford 1788 Franklin Drive x Torrington 1790 Devon x Devon 1790 1810 Chippen Hill x Bristol x Southington 1825 Forestville x Bristol 1835 Chippen Hill x Thomaston 1867 Norwalk x Glenbrook x Norwalk Harbor 1870 Mystic x Woodriver 1880 Norwalk x Glenbrook x Norwalk Harbor 1890 GlenbrookxSasco CreekxNorwalk Harbor 1900 Campville x Torrington Terminal 1921 Campville x Thomaston 1975 Haddam x East Meriden 1977 Darien x South End 1990N Frost Bridge x Baldwin x Towantic 1990S Towantic x Stevenson 8100 East Shore x English x Grand Ave 8200 East Shore x Grand Ave 8300 Mill River x Quinnipiac 8301 Grand Ave x Mill River 8400 Grand Ave x Sackett 8404 Sackett x Sackett Ph x Mix 8500 Grand Ave x Water St 8600 Quinnipiac x North Haven 8700 West River x Water St 88003A West River x Elmwest x Grand Ave 8804A Allings x Woodmont x Elmwest 88005A Woodmont x Milvon x Devon Sw 88005B Woodmont x Milvon x Devon Sw 88006A BarnumxBaird x Devon Sw x Congress 88006B BarnumxBaird x Devon Sw x Congress 8809A PequonnockxCongress xE.Main xBaird 89003B West River x Elmwest x Grand Ave 8904B Allings x Woodmont x Elmwest 8909B PequonnockxCongressx E.Main x Baird 91001 Pequonnock x Ash Creek x Resco 9500 Water St x Broadway 9502 Broadway x Mill River DEVON_BUSTIE Devon Bus Tie CSC HVDC Cross Sound HVdc

Double Circuit 115 kV Contingencies

LINE DESCRIPTION . 1000-1090 Dudley x Montville x Bean Hill - Stockhouse x Montville 1080-1090 Card x Montville x Tunnel - Card x Stockhouse x Montville 1080-1280 Card x Montville x Tunnel - Montville x Buddington x Mystic 1080-1490 Card x Montville x Tunnel - Card x Stockhouse Montville 1090-1490 Card x Stockhouse x Montville 1100-1200 Barbour Hill x Enfield - Barbour Hill x Windsor Locks 1100-1300 Barbour Hill x Enfield - Enfieldi x Windsor Looks 1163-1550 Frost BridgexNoeraxToddxSouthington - Frost BridgexNoeraxCanalxSouthington 1207-1775 Manchester x South Meadow x Riverside - Manchester x East Hartford 1222-1730 Devon x Pequonnock x Weston - Old Town x Hawthorne 1238-1813 Frost Bridge x Carmel Hill - Carmel Hill x Rocky River 1261-1620 Bokum x Haddam - Bokum x Montville 1272-1445 Frost Bridge x Shaws x Bunker Hill 1272-1721 Frost Bridge x Shaws x Bunker Hill - Frost Bridge x Freight 1280-1870 Montville x Buddington x Mystic - Mystic Woodriver 1310-1763 Manchester x South Windsor - Manchester x Barbour Hill 1355-1610 Southington x Hanover x Colony - Southington x June 1389-1880 Norwalk x Flax Hill - Norwalk x Glenbrook x Norwalk Harbor 1394-1515 Scitico x Franconia - Scitico x Ludlow 1440-1450 Glenbrook x Waterside - Glenbrook x South End 1443-1759 Middletown x Portland x Hopewell 1445-1721 Frost Bridge x Shaws x Bunker Hill - Frost Bridge x Freight 1470-1565 Norwalk x Peaceable x Rdgfield -Ridgfield x Plumtree 1470-1637 Norwalk x Peaceable x Rdgfield - Norwalk x Weston 1470-1720 Norwalk x Peaceable x Rdgfield - Norwalk x Hawthorne 1505-1607 Tracy x Brooklyn x Fry Brook x Tunnel - Tracy x Fry Brook x Tunnel 1545-1570 Devon x Trap Falls - Devon x Indian Well x Beacon all 1550-1950 Frost Bridge x Noera x Canal x Southington 1560-1570 Trap Falls x Ansonia x Stevenson - Devon x Indian Well x Beacon Fall 1570-1575 Devon x Indian Well x Beacon Fall - Beacon Fall x Towantic x Baldwin x Bunker Hill 1570-1575B Devon x Indian Well x Beacon Fall - Beacon Fall x Towantic 1570-1580 Devon x Indian Well x Beacon Fall - Devon x South Naugatuck 1572-1772 Conn Yak x P&W x Middletown 1575N-1585N Bunker Hill x Baldwin x Towantic - Bunker Hill x Towantic 1575S-1585S South Naugatuck x Devon - South Naugatuck x Towantic 1580-1585 Devon x South Naugatuck - South Naugatuck x Towantic 1580-1730 Devon x South Naugatuck - Devon x Pequonnock x Weston 1620-1975 Bokum x Middletown - Haddam x East Meriden 1630N-1640 Wallingford x Southington - Wallingford x Devon 1630S-1640 Wallingford x North Haven - Wallingford x Devon 1637-1720 Norwalk x Weston - Norwalk x Hawthorne 1640-1690 Wallingford x Devon - Southington x Hanover x Devon 1662-1887 Shepaug x Bates Rock - Shepaug x Stony Hill x West Brookfield 1668-1721 Freight x Bunker Hill - Freight x Southington 1670-1771 Southington x Berlin x Black Rock - Southington x Berlin 1670-1830 Southington x Berlin x Black Rock - Southington x Black Rock 1710-1730 Devon x Pequonnock x Old Town - Devon x Pequonnock x Weston 1720-1730 Norwalk x Hawthorne - Devon x Pequonnock x Weston 1732-1788 Canton x Campville x Franklin Drive - Franklin Drive x Torrington Terminal 1751-1777 N. Bloomfield x Bloomfield - N. Bloomfield x NW Hartford x Manchester 1770-1887 Plumtree x Stony Hill x Bates Rock - Shepaug x Stony Hill x West Brookfield 1771-1830 Southington x Berlin - Southington x Black Rock 1777-1779 N. Bloomfield x Bloomfield - Bloomfield x South Meadow 1800-1810 Southington x Forestville x UT - Southington x Bristol x Chippen Hill 1800-1825 Southington x Forestville x UT - Forrestville x Bristol 1810-1825 Southington x Bristol x Chippen Hill - Forrestville x Bristol 1867-1880 Glenbrook x Flax Hill x Norwalk Harbor - Glenbrook x Norwalk x Norwalk Harbor 1867-1977 Glenbrook x Flax Hill x Norwalk Harbor - Darien South End 1876-1760 Stevenson x Sandy Hook x Newington x Plum Tree 1880-1890 Glenbrook x Norwalk x Norwalk Harbor - Glenbrook x Sasco Cr x Norwalk Harbor 1910-1163 Southiington x Todd x Noera x Frost Bridge 1950-1910 Frost BridgexNoeraxToddxSouthington - Frost BddgexNoeraxCanalxSouthington 1990N-1990S Frost Bridge x Baldwin x Towantic - Towantic x Stevenson 8100-8200 East Shore x English x Grand Ave - East Shore x Grand Ave

345 KV Contingencies

LINE DESCRIPTION 310 Millstone x Manchester 321 Long Mountain x Plurntree 329E Frost Bridge x AES Southington 329W AES Southington x Southington 329WE Frost Bridge x AES Southington – AES Southington x Southington 330 Card x Lake Road 347 Lake Road x Sherman Road 347+SP Lake Road x Sherman Road +1870 SPS 347S Card Lake x Lake Road 347S+SP Card Lake x Lake Road + 1870 SPS 348 Millstone x Southington&Auto 352 Long Mountain x Frost Bridge&Auto 353 Scovill Rock x Manchester&Auto 354 Ludlow x Northfield Mtn 362E Haddam Neck x Meriden Pwr 362W Meriden Pwr x Southington 362WE Haddam Neck x Meriden Pwr - Meriden Pwr x Southington

364 Haddam Neck x Montville&Auto 368 Card x Manchester 371 Millstone x Montville&Auto 376 Haddam Neck x Scovill Rock 381 Northfield Mountain x Vermont Yankee 383 Millstone x Card 384 Scovill Rock x Middletown 387 Scovill Rock x East Shore& Auto 387H Scovill Rock x CSC HVDC x East Shore& Auto 387LEO 387 Line End Open at Scovill Rock 387LEO+RB 387 Line End Open at Scovill Rock with HVDC Runback 387S CSC HVDC x East Shore& Auto 395 Ludlow x Manchester x N. Bloomfield 398 Long Mountain x Pleasant Valley SOUTHAUTO1 Southington Auto-1 SOUTHAUTO2 Southington Auto-2

Double Circuit 345 kV Contingencies LINE DESCRIPTION . 301-302 Ludlow x Carpenter Hill - Carpenter Hill x Millbury 310-348 Millstone x Manchester - Millstone x Southington 310-383 Millstone x Manchester - Millstone x Card 310-368 Millstone x Manchester - Card x Manchester 312-393 Northfield Mountain x Berkshire wauto x Alps 321-1887 Long Mountain x Plumtree - Shepaug x Stony Hill x West Brookfield 353-1759 Scovill Rock x Manchester - Middletown x Portland x Hopewell 353-1767 Scovill Rock x Manchester - Manchester x Hopewell 387-1460 Scovill Rock x East Shore - Branford RR x East Shore 387H-1460 Scovill Rock x CSC HVDC x East Shore - Branford RR x East Shore 1618-321 Long Mountain x Plumtree - Rocky River x West Brookfield 1770-321 Long Mountain x Plumtree - Plumtree x Stony Hill x Bates Rock 1887-321 Long Mountain x Plumtree - Shepaug x Stony Hill x West Brookfield 348-1975 Millstone x Southington - Haddam x East Meriden 362-1975 Meriden Pwr x Southington -Haddam x East Meriden - Haddam Neck x Meriden Pwr 395-1751 Ludlow x Manchester x N. Bimfield - Manchester x N.Bimfield x NW Hartford 395-1779 Ludlow x Manchester x North Bloomfield - South Meadow x Bloomfield 329W-352 Frost Bridge x AES Sgton - AES Sgton x Soutingtn - Long Mtn x Frost Bddge&Auto 330-347 Card x Lake Road - Lake Road x Sherman Road 348-387 Millstone x Southington - Scovill Rock x East Shore 348-387H Millstone x Southington - Scovill Rock x CSC HVDC x East Shore 383-371 Millstone x Card - Millstone x Montville 362E-376 Haddam Neck x Meriden Pwr - Haddam Neck x Scovill Rock

345 kV Stuck Breaker Contingencies

LINE DESCRIPTION . NRTFD_STK_3T NorthField Mountain 3T Stuck Breaker, Berkshire Auto & 312, 393, 381 OOS MTVILLE_STK Montville 345 kV IT Stuck Breaker SCVRK_4T_STK Scovill Rock345 kV 4T Stuck Breaker SCVRK_5T_STK Scovill Rock345 kV 5T Stuck Breaker SCVRK_7T_STK Scovill Rock345 kV 7T Stuck Breaker SCVRK_8T_STK Scovill Rock345 kV 8T Stuck Breaker SOUTN_4T_STA Southington 4T Stuck Breaker, 329 & 362 OOS SOUTN_4T_STB Southington 4T Stuck Breaker, 329E & 362 OOS SOUTN_4T_STC Southington 4T Stuck Breaker, 329 & 362W OOS SOUTN_4T_STD Southington 4T Stuck Breaker, 329E & 362W OOS SOUTN_5T_STA Southington 5T Stuck Breaker 329 SOUTN_5T_STB Southington 5T Stuck Breaker, 329E SOUTN_7T_STK Southington 7T Stuck Breaker LMTN_6T-8T Long Mountain Stuck Breaker LUDLOW_STK3T Ludlow 3T Stuck Breaker, Ludlow Auto & Lines 301, 395 OOS MANCSTER21T Manchester 21T Stuck Breaker CARD_ST_STK Any Stuck Breaker Takes out Lines 330 & 383 HADDAM_STK1T Haddam Neck 1T Stuck Breaker HADDAM_STK2T Haddam Neck 2T Stuck Breaker HADDAM_STK3T Haddam Neck 3T Stuck Breaker HADDAM_STK4T Haddam Neck 4T Stuck Breaker

Loss of Generation Contingencies LINE DESCRIPTION NRTHFD12 Northfield 1 & 2 NH-HARBOR New Haven Harbor MIDDTN#4 Middletown 4 MILL#1 Millstone Unit 1 MILL#2 Millstone Unit 2 MILL#3 Millstone Unit 3 MONTV#6 Montville 6 NORHAR#2 Norwalk Harbor 2 BPTHBR#3 Bridgeport 3

APPENDIX IV

Project Data

HVdc Loadflow Data New Haven (CT) DATA FOR BUS 3665 [NHHHVDCL 192] RESIDING IN AREA 1, ZONE 185, OWNER 1: CODE PLOAD QLOAD I - L O A D Y - L O A D G-SHUNT B-SHUNT VOLTAGE ANGLE 2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.04501-109.50 MOD VHI VLO SHUNT* X-------X X-------X X-------X X-------X X---- REMOTE ----X 0 1.00000 1.00000 105.00 1: 64.00 1: 41.00 PLNT PGEN QGEN QMAX QMIN VSCHED X- REMOTE BUS VOLTAGE Q PCT-X -346.0 -27.5 25.0 -72.0 1.03500 3664 [CSC-HVDC 345] 1.03500 100.00 ID ST PGEN QGEN QMAX QMIN MBASE Z S O R C E X T R A N GENTAP PMAX PMIN OW1 FRAC1 OW2 FRAC2 OW3 FRAC3 OW4 FRAC4 1 1 -346.0 -27.5 25.0 -72.0 366.2 0.0000 0.1778 0.0000 0.0000 0.0000 9999.0-9999.0 1 1.000 W M S C C C X-------TO-------X CKT X-NAME-X 1 T T Z W M R 1-2 X 1-2 WBASE1 MAG1 MAG2 RATE-A RATE-B RATE-C OWN1 FRAC1 OWN2 FRAC2 OWN3 FRAC3 OWN4 FRAC4 3664 CSC-HVDC 345 1 F F 1 1 1 1 0.00050 0.04833 100.0 0.0000 0.0000 360.0 380.0 380.0 1 1.000 X-------TO-------X CKT WINDV1 NOMV1 ANGLE WINDV2 NOMV2 CN RMAX RMIN VMAX VMIN NTPS X--CONTROLLED BUS-X CR CX TBL NOMINAL R,X 3664 CSC-HVDC 345 1 0.9850 0.000 0.0 1.0000 0.000 1 1.2100 0.7900 1.0490 1.0420 29 -3665 NHHHVDCL 192 Shoreham (NY) DATA FOR BUS 5073 [SHMHVDCL 192] RESIDING IN AREA 2, ZONE 245, OWNER 1: CODE PLOAD QLOAD I - L O A D Y - L O A D G-SHUNT B-SHUNT VOLTAGE ANGLE 2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.05102 -91.59 MOD VHI VLO SHUNT* X-------X X-------X X-------X X-------X X---- REMOTE ----X 0 1.00000 1.00000 105.00 1: 64.00 1: 41.00 PLNT PGEN QGEN QMAX QMIN VSCHED X- REMOTE BUS VOLTAGE Q PCT-X 330.0 32.5 150.0 -110.0 1.02500 5062 [SHOREHAM 138] 1.02500 100.00 ID ST PGEN QGEN QMAX QMIN MBASE Z S O R C E X T R A N GENTAP PMAX PMIN OW1 FRAC1 OW2 FRAC2 OW3 FRAC3 OW4 FRAC4 1 1 330.0 32.5 150.0 -110.0 366.2 0.0000 0.1778 0.0000 0.0000 1.0000 9999.0-9999.0 1 1.000 W M S C C C X-------TO-------X CKT X-NAME-X 1 T T Z W M R 1-2 X 1-2 WBASE1 MAG1 MAG2 RATE-A RATE-B RATE-C OWN1 FRAC1 OWN2 FRAC2 OWN3 FRAC3 OWN4 FRAC4 5062 SHOREHAM 138 1 T F 1 1 1 1 0.00050 0.04833 100.0 0.0000 0.0000 360.0 380.0 380.0 1 1.000 X-------TO-------X CKT WINDV1 NOMV1 ANGLE WINDV2 NOMV2 CN RMAX RMIN VMAX VMIN NTPS X--CONTROLLED BUS-X CR CX TBL NOMINAL R,X 5062 SHOREHAM 138 1 1.0325 0.000 0.0 1.0000 0.000 1 1.2100 0.7900 1.0530 1.0420 29 5073 SHMHVDCL 192

* Note initial design was 105 MVar. Current design is 103 MVar comprised of one 61 MVar, one 32 MVar and one 10 MVar bank. Net reactive capability to the system remains the same.

APPENDIX V

EXPORT MODE: 330 MW Transfer from CT to Long Island

Thermal Results


Appendix Va Subordinate Studies

Mode: 330 MW Net Export to Long Island Appendix V – Comparison of Thermal VIiolations

Loadflow Cases Table No. Dispatch

CT Export/Import

Interface Without Project With Project Project Mode

Va-1 Peakexp Csc-peakexp Va-2 Pkex-1 Csc- pkex-1 Va-3

Export Pkex-4 Csc- pkex-4

Va-4 Peakimp Csc-peakimp Va-5 Pkimp-1 Csc- pkimp-1 Va-6

Peak Load

Import Pkimp-6 Csc- pkimp-6

Vb-1 Midexp Csc-Midexp Vb-2 Mdexp-1 Csc-Mdexp-1 Vb-3

Export Mdexp-4 Csc-Mdexp-4

Vb-4 Midimp Csc-Midimp Vb-5

75% Load

Import Mdimp-1 Csc-Mdimp-1

Vc-1 NENY7PKIMP-2 CSC-NENY7PKIMP-2 Vc-2 NENY7PKIMP-3 CSC-NENY7PKIMP-3 Vc-3 NENY7PKIMP-4 CSC-NENY7PKIMP-4 Vc-4 NENY7PKIMP-5 CSC-NENY7PKIMP-5 Vc-5

Import

NENY7PKIMP-6 CSC-NENY7PKIMP-6 Vc-6 NENY7PKEX-2 CSC-NENY7PKEX-2 Vc-7 NENY7PKEX-3 CSC-NENY7PKEX-3 Vc-8 NYNE7PKEX-2 CSC-NYNE7PKEX-2 Vc-9 NYNE7PKEX-3 CSC-NYNE7PKEX-3

Vc-10

Ct 115 kV Generation Dispatches

Export

Mdexp-6 CSC-Mdexp-6 Vd-1 NYNE7PKIMP CSC-NYNE7PKIMP Vd-2 Import

NYNE7PKIMP-1 CSC-NYNE7PKIMP-1 Vd-3 NYNE7PKEX CSC-NYNE7PKEX Vd-4 Export

NYNE7PKEX-1 CSC-NYNE7PKEX-1 Vd-5 NENY7PKIMP CSC-NENY7PKIMP Vd-6 Import

NENY7PKIMP-1 CSC-NENY7PKIMP-1 Vd-7 NENY7PKEX CSC-NENY7PKEX Vd-8


Sensitivity

Export NENY7PKEX-1 CSC-NENY7PKEX-1

Ve-1 Peakexp-M1 Csc-Peakexp-M1 Ve-2 Pkex-1-M1 Csc-Pkex-1-M1 Ve-3 Midexp-M1 Csc-Midexp-M1 Ve-4

Millstone #1 Sensitivity Export

Mdexp-1-M1 Csc-Mdexp-1-M1

330 MW Net


Appendix Va Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Export to Long Island Peak Load Dispatches: Thermal Loading Comparison TABLE Va-1:

Compare: peakexp.out with: csc-peakexp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 251.1 106.1 248.0 104.8 -1.3

TABLE Va-2:

Compare: pkex-1.out with: csc-pkex-1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 246.7 104.3 243.8 103.0 -1.3 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 442.8 99.1 <99.0

TABLE Va-3:

Compare: pkex-4.out with: csc-pkex-4.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1910 3154 *SGTN B 115 3204 TODD 115 1 LINE-329W 284.0 288.0 101.2 <99.0 1950 3154 *SGTN B 115 3211 CANAL 115 1 LINE-329W 284.0 294.1 103.3 <99.0 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 241.9 102.2 238.8 100.9 -1.3

TABLE Va-4:

Compare: peakimp.out with: csc-peakimp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362W 107.0 106.7 100.7 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 128.0 121.2 119.4 113.1 -8.1 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 105.7 99.7 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 105.7 99.7 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 117.1 110.5 106.8 100.6 -9.9 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 117.1 110.5 106.8 100.6 -9.9 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 111.1 104.2 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 111.1 104.2 <99.0 1732 SPS/LINE UPGRADE 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 446.7 100.1 450.6 101.0 +0.9

Appendix Va Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Export to Long Island

TABLE Va-5:

Compare: pkimp-1.out with: csc-pkimp-1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362E 107.0 106.6 100.6 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362W 107.0 106.6 100.6 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362WE 107.0 106.6 100.6 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 130.0 123.3 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 116.9 110.3 121.2 114.9 +4.6 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 116.9 110.3 106.5 100.4 -9.9 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 116.9 110.3 106.5 100.4 -9.9 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 116.9 110.3 106.5 100.5 -9.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 112.2 105.3 106.6 100.5 -4.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 112.2 105.3 <99.0 1732 SPS/LINE UPGRADE 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 447.1 100.2 450.6 101.0 +0.8 1732 SPS/LINE UPGRADE

TABLE Va-6:

Compare: pkimp-6.out with: csc-pkimp-6.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE329W-352 107.0 106.7 100.1 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362E 107.0 111.7 105.5 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362W 107.0 111.6 105.5 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362WE 107.0 111.7 105.5 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 136.6 129.9 128.0 121.5 -8.4 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 122.6 115.9 112.3 106.0 -9.9 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 122.7 115.9 112.3 106.0 -9.9 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 122.6 115.9 112.4 106.1 -9.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 122.7 115.9 112.4 106.1 -9.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 118.1 110.9 108.7 102.1 -8.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 118.2 110.9 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-352 107.0 106.7 100.0 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK2T 107.0 106.7 101.2 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE362A&376 107.0 106.6 101.3 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387A 107.0 108.4 102.4 <99.0 1732 SPS/LINE UPGRADE 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 444.4 99.7 447.8 100.4 +0.7 1771 3244 N.BLMFLD 115 3258 *BLOOMFLD 115 1 CCT1207&1775 193.0 186.6 99.0 197.0 99.6 +0.6

Appendix Vb Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Export to Long Island 75% Load Dispatches: Thermal Loading Comparison TABLE Vb-1: Compare: midexp.out with: csc-midexp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LINE-398 372.0 383.1 103.0 <99.0 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LINE-398 335.0 383.1 109.5 <99.0

TABLE Vb-2: Compare: mdexp-1.out with: csc-mdexp-1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LINE-398 372.0 382.5 102.8 <99.0 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LINE-398 335.0 382.5 109.3 <99.0

TABLE Vb-3: Compare: mdexp-4.out with: csc-mdexp-4.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE-347 218.0 209.6 99.9 <99.0 1870 SPS 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LINE-398 372.0 373.0 100.3 <99.0 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LINE-398 335.0 373.0 106.6 <99.0 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE330&347 218.0 209.6 99.9 <99.0 1870 SPS

Appendix Vb Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Export to Long Island TABLE Vb-4: Compare: midimp.out with: csc-midimp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347+SP 1605.0 1663.1 102.9 1665.2 102.9 -0.0 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LIN-347S+SP 1605.0 1663.1 102.9 1665.2 102.9 -0.0 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 LINE-395 165.0 170.4 106.3 169.4 105.5 -0.8 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 132.3 124.8 123.4 115.8 -9.0 1732 SPS/LINE UPGRADE 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 194.7 108.0 194.7 108.0 -0.0 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 113.1 105.8 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 113.1 105.8 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 106.6 99.5 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 106.7 99.5 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 114.8 107.5 <99.0 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 MANCSTER21T 165.0 170.6 106.6 169.7 105.8 -0.8 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 LUDLOW_STK3T 165.0 168.2 105.0 167.3 104.2 -0.8 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387A 107.0 106.7 100.0 <99.0 1732 SPS/LINE UPGRADE 1768 3244 *N.BLMFLD 115 3258 BLOOMFLD 115 1 CCT_395&1751 193.0 194.1 102.4 197.5 103.9 +1.5 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT_395&1751 165.0 163.5 102.1 162.3 101.1 -1.0 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT_395&1779 165.0 170.5 106.2 169.5 105.3 -0.9 1416 3142 COMPO 115 3286 *S.NORWAK 115 1 CCT1440&1450 382.0 307.2 101.0 <99.0 1416 3142 *COMPO 115 3700 PEQUONIC 115 1 CCT1440&1450 382.0 349.0 106.8 <99.0 1750 3144 *TOMAC 115 3167 SO.END 115 1 CCT1440&1450 239.0 170.2 102.2 <99.0 1416 3267 *DARIEN 115 3286 S.NORWAK 115 1 CCT1440&1450 382.0 287.7 100.7 <99.0 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT395-1551 165.0 170.4 106.3 169.4 105.5 -0.8 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 <99.0 108.2 100.7 1732 SPS/LINE UPGRADE

TABLE Vb-5: Compare: mdimp-1.out with: csc-mdimp-1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347+SP 1605.0 1662.2 102.9 1664.8 103.0 +0.1 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LIN-347S+SP 1605.0 1662.2 102.9 1664.8 103.0 +0.1 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 LINE-395 165.0 170.3 106.5 169.5 105.6 -1.0 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 134.5 127.1 125.5 118.0 -9.1 1732 SPS/LINE UPGRADE 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 200.2 111.0 199.9 110.9 -0.1 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 113.1 105.8 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 108.1 100.8 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 108.1 100.8 <99.0 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 MANCSTER21T 165.0 170.4 106.7 169.7 105.9 -0.8 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 LUDLOW_STK3T 165.0 168.0 105.2 167.3 104.3 -0.9 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387A 107.0 110.4 103.8 <99.0 1732 SPS/LINE UPGRADE 1768 3244 *N.BLMFLD 115 3258 BLOOMFLD 115 1 CCT_395&1751 193.0 192.3 101.7 195.9 103.2 +1.3 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT_395&1751 165.0 163.5 102.3 162.5 101.3 -1.0 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT_395&1779 165.0 170.3 106.3 169.6 105.5 -0.8 1416 3142 COMPO 115 3286 *S.NORWAK 115 1 CCT1440&1450 382.0 308.9 103.6 <99.0 1416 3142 *COMPO 115 3700 PEQUONIC 115 1 CCT1440&1450 382.0 352.2 109.3 <99.0 1750 3144 *TOMAC 115 3167 SO.END 115 1 CCT1440&1450 239.0 169.1 104.9 <99.0 1416 3267 *DARIEN 115 3286 S.NORWAK 115 1 CCT1440&1450 382.0 287.9 103.4 <99.0 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT395-1551 165.0 170.2 106.5 169.5 105.6 -0.9 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387H 107.0 <99.0 106.2 99.3 1732 SPS/LINE UPGRAD

Appendix Vc Cross Sound HVdc Phase I Subordinate Studies


CT 115 kV Generation Dispatches: Thermal Loading Comparison TABLE Vc-1: Compare: nyne7pkimp-2.out with: csc-nyne7pkimp-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 LINE-1990N 143.0 159.1 110.2 151.5 104.9 -5.3 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 LINE-1990N&S 143.0 159.1 110.2 151.5 104.9 -5.3 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CCT1570+1575 143.0 143.8 99.7 <99.0 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CT1570&1575A 143.0 143.8 99.7 <99.0 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 LINE-387LEO 138.0 <99.0 134.0 100.2 387 LEO Runback SPS 88005A 3688 *MILVON A 115 3690 DEVON178 115 1 LINE-387LEO 284.0 <99.0 284.4 99.6 387 LEO Runback SPS 89005B 3689 *MILVON B 115 3691 DEVON179 115 1 LINE-387LEO 284.0 <99.0 284.1 99.5 387 LEO Runback SPS 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 138.0 <99.0 135.9 100.9 Modified Runback SPS 88005A 3688 *MILVON A 115 3690 DEVON178 115 1 SCVRK_7T_STK 284.0 <99.0 283.7 99.1 Modified Runback SPS

TABLE Vc-2: Compare: nyne7pkimp-3.out with: csc-nyne7pkimp-3.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1585N 3185 BUNKER H 115 3288 *TOW1585 115 1 LINE-1990N 143.0 163.5 111.6 153.7 106.5 -5.1 1585N 3185 BUNKER H 115 3288 *TOW1585 115 1 LINE-1990N&S 143.0 163.5 111.6 153.7 106.5 -5.1 1080 3214 WAWECS J 115 3215 *CARD 115 1 MTVILLE_STK 181.0 188.2 106.1 188.0 106.2 +0.1 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CCT1570+1575 143.0 145.5 100.9 <99.0 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CT1570&1575A 143.0 145.5 100.9 <99.0 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 LINE-387LEO 138.0 <99.0 133.6 100.2 387 LEO Runback SPS 88005A 3688 *MILVON A 115 3690 DEVON178 115 1 LINE-387LEO 284.0 <99.0 285.3 100.0 387 LEO Runback SPS 89005B 3689 *MILVON B 115 3691 DEVON179 115 1 LINE-387LEO 284.0 <99.0 285.0 99.9 387 LEO Runback SPS 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 138.0 <99.0 135.8 101.2 Modified Runback SPS 88005A 3688 *MILVON A 115 3690 DEVON178 115 1 SCVRK_7T_STK 284.0 <99.0 285.0 99.6 Modified Runback SPS 89005B 3689 *MILVON B 115 3691 DEVON179 115 1 SCVRK_7T_STK 284.0 <99.0 284.7 99.5 Modified Runback SPS


Mode: 330 MW Net Export to Long Island TABLE Vc-3: Compare: nyne7pkex-2.out with: csc-nyne7pkex-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1585N 3185 BUNKER H 115 3288 *TOW1585 115 1 LINE-1990N 143.0 178.8 122.0 172.6 117.8 -4.2 1585N 3185 BUNKER H 115 3288 *TOW1585 115 1 LINE-1990N&S 143.0 178.8 122.0 172.6 117.8 -4.2 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE-347 218.0 215.8 104.9 281.3 104.9 1732 3262 CANTON 115 3263 *WEINGART 115 1 MANCSTER21T 107.0 104.2 99.2 <99.0 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CCT1570+1575 143.0 152.1 105.5 147.3 102.2 -3.3 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CT1570&1575A 143.0 152.1 105.5 147.3 102.2 -3.3 1990N 3164 BALDWNJA 115 3289 *TOW1990 115 1 1575N&1585N 282.0 300.1 103.8 <99.0 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 296.1 125.1 289.7 122.4 -2.7 1670 3206 *RES RD J 115 3243 BERLIN 115 1 CCT1771&1830 234.0 244.7 105.3 238.5 102.6 -2.7 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 CCT1670&1830 234.0 266.5 112.4 260.0 109.7 -2. 1732 3262 CANTON 115 3263 *WEINGART 115 1 CCT_395&1751 107.0 113.7 108.3 111.8 106.4 -5.4 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 LINE-1670 234.0 260.4 110.1 254.0 107.3 -2.8 1785 3243 BERLIN 115 3254 *NEWINGTN 115 1 LINE-1769 182.0 186.7 106.0 183.8 104.3 -1.7 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-1771 234.0 269.6 113.9 263.4 111.3 -2.6 1670 3206 *RES RD J 115 3243 BERLIN 115 1 LINE-1771 234.0 253.9 108.8 247.6 106.1 -2.7 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE330&347 218.0 215.8 104.9 281.3 104.9 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-310&383 234.0 236.4 100.2 234.4 99.3 -0.9 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE-347 218.0 <99.0 228.1 112.5 >13.5 1870 SPS 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE330&347 218.0 <99.0 228.1 112.5 >13.5 1870 SPS

TABLE Vc-4: Compare: nyne7pkex-3.out with: csc-nyne7pkex-3.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1585N 3185 BUNKER H 115 3288 *TOW1585 115 1 LINE-1990N 143.0 179.8 122.7 173.5 118.4 -4.3 1585N 3185 BUNKER H 115 3288 *TOW1585 115 1 LINE-1990N&S 143.0 179.8 122.7 173.5 118.4 -4.3 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE-347 218.0 211.0 102.7 224.8 110.4 >7.7 1870 SPS 1080 3214 WAWECS J 115 3215 *CARD 115 1 MTVILLE_STK 181.0 208.7 115.6 <99.0 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CCT1570+1575 143.0 153.0 106.2 148.1 102.7 -3.5 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CT1570&1575A 143.0 153.0 106.2 148.1 102.7 -3.5 1990N 3164 BALDWNJA 115 3289 *TOW1990 115 1 1575N&1585N 282.0 302.8 104.7 287.6 99.5 -5.2 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 291.9 123.4 285.4 120.6 -2.8 1670 3206 *RES RD J 115 3243 BERLIN 115 1 CCT1771&1830 234.0 240.6 103.5 234.3 100.8 -2.7 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 CCT1670&1830 234.0 262.2 110.6 255.7 107.8 -2.8 1732 3262 CANTON 115 3263 *WEINGART 115 1 CCT_395&1751 107.0 112.2 106.8 110.2 104.9 -1.9 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 LINE-1670 234.0 256.2 108.3 249.7 105.5 -2.8 1785 3243 BERLIN 115 3254 *NEWINGTN 115 1 LINE-1769 182.0 185.7 105.4 182.7 103.7 -1.7 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-1771 234.0 265.5 112.2 259.2 109.5 -2.6 1670 3206 *RES RD J 115 3243 BERLIN 115 1 LINE-1771 234.0 249.8 107.0 243.4 104.2 -2.8 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE330&347 218.0 211.0 102.7 224.8 110.4 >5.7 1870 SPS 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-310&383 234.0 233.9 99.1 <99.0 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE-347 284.0 <99.0 277.7 103.3 >4.3 1870 SPS 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE330&347 284.0 <99.0 277.7 103.3 >4.3 1870 SPS


Mode: 330 MW Net Export to Long Island TABLE Vc-5: Compare: neny7pkimp-4.out with: csc-neny7pkimp-4.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347 1605.0 1623.6 100.8 1628.4 101.1 +0.3 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347S 1605.0 1623.6 100.8 1628.3 101.1 +0.3 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347+SP 1605.0 1688.0 105.3 1692.1 105.5 +0.2 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LIN-347S+SP 1605.0 1688.0 105.3 1692.1 105.5 +0.2 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 LINE-395 165.0 160.4 99.7 160.3 99.5 -0.2 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 205.4 114.7 204.8 114.4 -0.3 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 MANCSTER21T 165.0 160.8 100.1 160.7 100.1 0 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 457.5 102.5 454.0 101.8 -0.7 1777 3244 N.BLMFLD 115 3258 *BLOOMFLD 115 1 CCT1207&1775 193.0 188.5 100.2 188.1 100.0 -0.2 NU wavetrap replacement 1777 3244 *N.BLMFLD 115 3258 BLOOMFLD 115 1 CCT_395&1751 193.0 201.5 105.9 205.5 108.0 +2.1 NU wavetrap replacement 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT_395&1779 165.0 160.7 99.6 160.5 99.5 -0.1 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-330 1605.0 1627.4 101.1 1632.0 101.4 +0.3 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE330&347 1605.0 1623.6 100.8 1628.4 101.1 -0.3 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT395-1551 165.0 160.4 99.7 160.3 99.5 -0.2 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 LINE-387LEO 138.0 <99.0 134.2 99.1 387 LEO Runback SPS 84004 3672 *SACKETT 115 3673 SACKPHS 115 1 SCVRK_7T_STK 138.0 <99.0 136.6 99.0 Modified Runback SPS 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 138.0 <99.0 136.0 99.9 Modified Runback SPS

TABLE Vc-6: Compare: neny7pkimp-5.out with: csc-neny7pkimp-5.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347 1605.0 1611.5 100.0 1614.8 100.2 +0.2 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347S 1605.0 1611.4 100.0 1614.8 100.2 +0.2 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347+SP 1605.0 1675.6 104.5 1677.9 104.6 +0.1 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LIN-347S+SP 1605.0 1675.5 104.5 1677.9 104.6 +0.1 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 LINE-395 165.0 160.1 99.6 159.8 99.3 -0.3 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 204.4 114.1 203.5 113.6 -0.5 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 115.9 109.6 113.5 107.0 -2.6 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 116.0 109.6 113.5 107.0 -2.6 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 111.0 104.3 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 111.1 104.3 <99.0 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 MANCSTER21T 165.0 160.4 100.0 160.2 99.8 -0.2 1867 3171 NWLK HAR 115 3237 *ELYAVE 115 1 CCT1710&1730 262.0 260.7 99.3 <99.0 1430 3173 *SASCO CR 115 3703 ASHCREEK 115 1 CCT1710&1730 382.0 384.7 100.2 <99.0 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 463.6 104.0 458.8 102.8 -1.2 1777 3244 N.BLMFLD 115 3258 *BLOOMFLD 115 1 CCT1207&1775 193.0 189.7 101.0 189.2 100.7 -0.3 NU wavetrap replacement 1777 3244 *N.BLMFLD 115 3258 BLOOMFLD 115 1 CCT_395&1751 193.0 195.4 102.9 199.3 104.8 +1.9 NU wavetrap replacement 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT_395&1779 165.0 160.4 99.5 160.1 99.2 -0.4 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-330 1605.0 1615.3 100.3 1618.5 100.5 +0.2 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE330&347 1605.0 1611.5 100.0 1614.8 100.2 +0.2 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT395-1551 165.0 160.1 99.6 159.8 99.2 -0.4



TABLE Vc-7: Compare: neny7pkimp-6.out with: csc-neny7pkimp-6.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347 1605.0 1613.0 100.1 1616.9 100.3 +0.2 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347S 1605.0 1613.0 100.1 1617.0 100.3 +0.2 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347+SP 1605.0 1676.6 104.5 1679.6 104.6 +0.1 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LIN-347S+SP 1605.0 1676.6 104.5 1679.6 104.6 +0.1 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362W 107.0 109.4 103.7 107.6 101.6 -2.1 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 LINE-395 165.0 161.9 100.7 161.6 100.4 -0.3 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 109.7 103.4 <99.0 1732 SPS/LINE UPGRADE 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 202.9 113.7 202.2 113.3 -0.4 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 111.4 105.4 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 111.5 105.4 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 122.8 116.4 120.3 113.6 -2.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 122.9 116.4 120.4 113.6 -2.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 116.3 109.3 110.2 103.3 -6.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 116.4 109.3 110.2 103.3 -6.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 113.2 107.1 <99.0 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 MANCSTER21T 165.0 162.2 101.0 162.1 100.9 -0.1 1821 3244 N.BLMFLD 115 2991 *S0.AGA-R 115 1 MANCSTER21T 228.0 226.6 99.1 <99.0 1836 3244 N.BLMFLD 115 2992 *SO.AGB-R 115 1 MANCSTER21T 228.0 226.6 99.1 <99.0 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387A 107.0 107.9 102.2 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387H 107.0 105.6 99.7 1732 SPS/LINE UPGRADE 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 454.9 102.0 450.0 100.9 -1.1 1777 3244 N.BLMFLD 115 3258 *BLOOMFLD 115 1 CCT1207&1775 193.0 192.9 102.7 192.5 102.4 -0.3 NU wavetrap replacement 1777 3244 *N.BLMFLD 115 3258 BLOOMFLD 115 1 CCT_395&1751 193.0 193.3 101.8 197.4 103.8 +2.0 NU wavetrap replacement 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT_395&1779 165.0 162.2 100.6 161.9 100.4 -0.2 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-330 1605.0 1616.6 100.3 1620.3 100.5 +0.2 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE330&347 1605.0 1613.0 100.1 1616.9 100.3 +0.2 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT395-1551 165.0 161.9 100.6 161.6 100.4 -0.2 84004 3196 *GLEN JCT 115 3675 MIX AVE 115 1 LINE-387LEO 228.0 <99.0 218.8 100.0 387 LEO RUNBACK SPS 84004 3672 *SACKETT 115 3673 SACKPHS 115 1 LINE-387LEO 138.0 <99.0 150.5 109.1 387 LEO RUNBACK SPS 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 LINE-387LEO 138.0 <99.0 149.5 113.7 387 LEO RUNBACK SPS 88005A 3688 *MILVON A 115 3690 DEVON178 115 1 LINE-387LEO 284.0 <99.0 288.4 101.5 387 LEO RUNBACK SPS 89005B 3689 *MILVON B 115 3691 DEVON179 115 1 LINE-387LEO 284.0 <99.0 288.1 101.4 387 LEO RUNBACK SPS 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 <99.0 107.4 101.3 1732 SPS/LINE UPGRADE

TABLE Vc-8: Compare: neny7pkex-2.out with: csc-neny7pkex-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 LINE-1990N&S 143.0 161.2 111.6 155.0 107.3 -4.3 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 245.8 103.7 239.3 101.0 -2.7 84004 3672 *SACKETT 115 3673 SACKPHS 115 1 SCVRK_7T_STK 138.0 <99.0 137.1 99.4 Modified Runback SPS 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 138.0 <99.0 136.5 99.8 Modified Runback SPS



TABLE Vc-9: Compare: neny7pkex-3.out with: csc-neny7pkex-3.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 LINE-1990N&S 143.0 163.8 113.6 157.7 109.3 -4.3 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LINE-398 372.0 417.4 112.2 402.4 108.2 -4.0 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LINE-398 335.0 417.2 119.8 402.2 115.0 -4.8 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LMTN_6T-8T 335.0 349.4 100.6 <99.0 1080 3214 WAWECS J 115 3215 *CARD 115 1 MTVILLE_STK 181.0 197.9 109.8 <99.0 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 239.8 101.2 <99.0 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 LINE-387LEO 138.0 <99.0 134.6 99.1 387 LEO RUNBACK SPS 84004 3672 *SACKETT 115 3673 SACKPHS 115 1 SCVRK_7T_STK 138.0 <99.0 138.6 100.4 Modified RUNBACK SPS 84004 3673 SACKPHS 115 3675 *MIX AVE 115 1 SCVRK_7T_STK 138.0 <99.0 137.9 100.9 Modified RUNBACK SPS

TABLE Vc-10: Compare: mdexp-6.out with: csc-mdexp-6.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 LINE-1575N 143.0 162.8 113.0 156.4 108.5 -4.5 1585N 3185 BUNKER H 115 3288 *TOW1585 115 1 LINE-1990N 143.0 173.1 118.1 165.7 113.1 -5.0 1585N 3185 BUNKER H 115 3288 *TOW1585 115 1 LINE-1990N&S 143.0 203.8 139.1 197.5 134.7 -4.4 1575 3228 *BALDWNJB 115 3280 TOW1575 115 1 LINE-1990N&S 219.0 226.7 101.9 <99.0 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LINE-398 372.0 441.8 118.8 436.1 117.2 -1.6 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LINE-398 335.0 441.8 126.3 436.1 124.6 -1.7 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LMTN_6T-8T 372.0 413.8 111.2 405.0 108.9 -2.3 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LMTN_6T-8T 335.0 413.8 118.2 405.0 115.7 -2.5 1990N 3164 BALDWNJA 115 3289 *TOW1990 115 1 CCT1271&1721 282.0 300.1 103.8 <99.0 1990N 3164 BALDWNJA 115 3289 *TOW1990 115 1 CCT1445&1721 282.0 286.7 99.2 <99.0 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CCT1570+1575 143.0 168.1 116.8 163.2 113.3 -3.5 1585N 3185 *BUNKER H 115 3288 TOW1585 115 1 CT1570&1575A 143.0 168.1 116.8 163.2 113.3 -3.5 1990N 3164 *BALDWNJA 115 3202 FROST BR 115 1 1575N&1585N 286.0 340.3 117.0 325.2 111.8 -5.2 1990N 3164 BALDWNJA 115 3289 *TOW1990 115 1 1575N&1585N 282.0 360.1 124.6 344.8 119.3 -5.3 1990N 3164 BALDWNJA 115 3289 *TOW1990 115 1 CCT1272&1721 282.0 297.4 102.9 <99.0

Appendix Vd Cross Sound HVdc Phase I Subordinate Studies


NY-NE Transfer Sensitivity: Thermal Loading Comparison

TABLE Vd-1: Compare: nyne7pkex.out with: csc-nyne7pkex.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE-347 284.0 277.3 103.2 <99.0 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE-347 218.0 224.3 110.3 <99.0 1870 SPS 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 271.1 114.6 268.2 113.4 -0.8 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 CCT1670&1830 234.0 241.4 101.9 238.5 100.6 -1.3 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 LINE-1670 234.0 235.5 99.6 <99.0 1785 3243 BERLIN 115 3254 *NEWINGTN 115 1 LINE-1769 182.0 177.5 100.6 <99.0 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-1771 234.0 245.5 103.7 242.7 102.5 -1.2 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE330&347 284.0 277.3 103.2 <99.0 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE330&347 218.0 224.3 110.3 <99.0 1870 SPS

TABLE Vd-2: Compare: nyne7pkex-1.out with: csc-nyne7pkex-1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE-347 284.0 273.6 101.6 268.4 99.3 -2.3 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE-347 218.0 220.9 108.3 215.9 105.4 -2.9 1870 SPS 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 266.8 112.8 263.9 111.5 -1.3 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 CCT1670&1830 234.0 237.1 100.0 <99.0 1785 3243 BERLIN 115 3254 *NEWINGTN 115 1 LINE-1769 182.0 176.5 100.0 <99.0 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-1771 234.0 241.3 102.0 238.5 100.8 -1.2 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE330&347 284.0 273.6 101.6 268.4 99.3 -2.3 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE330&347 218.0 220.9 108.3 215.9 105.4 -2.9 1870 SPS

TABLE Vd-3: Compare: nyne7pkimp.out with: csc-nyne7pkimp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 122.1 115.7 113.6 107.5 1732 SPS/LINE UPGRADE 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 <99.0 443.0 99.3

TABLE Vd-4: Compare: nyne7pkimp-1.out with: csc-nyne7pkimp-1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of



Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 118.0 111.9 <99.0 1732 SPS/LINE UPGRADE 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 <99.0 443.4 99.4

NE-NY Transfer Sensitivity: Thermal Loading Comparison

TABLE Vd-5: Compare: neny7pkex.out with: csc-neny7pkex.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1570 3192 DRBY J B 115 3705 *IND.WELL 115 1 LINE-1545 150.0 152.0 101.4 <99.0 1570 SPS 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LINE-398 372.0 431.8 116.1 <99.0 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LINE-398 335.0 431.4 123.6 352.3 100.7 -22.9 1910 3154 *SGTN B 115 3204 TODD 115 1 LINE-329W 284.0 306.7 108.2 <99.0 1950 3154 SGTN B 115 3211 *CANAL 115 1 LINE-329W 284.0 310.9 110.4 <99.0 1550 3200 NOERA JA 115 3211 *CANAL 115 1 LINE-329W 284.0 291.4 103.5 <99.0 1163 3204 *TODD 115 3205 NOERA JB 115 1 LINE-329W 284.0 277.1 99.3 <99.0 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 452.5 101.4 <99.0

TABLE Vd-6: Compare: neny7pkex-1.out with: csc-neny7pkex-1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1570 3192 DRBY J B 115 3705 *IND.WELL 115 1 LINE-1545 150.0 153.1 102.1 <99.0 1570 SPS 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LINE-398 372.0 427.9 115.0 <99.0 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LINE-398 335.0 427.4 122.4 349.8 100.0 -22.4 1910 3154 *SGTN B 115 3204 TODD 115 1 LINE-329W 284.0 303.9 107.2 <99.0 1950 3154 SGTN B 115 3211 *CANAL 115 1 LINE-329W 284.0 308.1 109.4 <99.0 1550 3200 NOERA JA 115 3211 *CANAL 115 1 LINE-329W 284.0 288.6 102.5 <99.0 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 452.3 101.3 <99.0



TABLE Vd-7: Compare: neny7pkimp.out with: csc-neny7pkimp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347+SP 1605.0 1650.5 102.6 1653.8 102.8 +0.2 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LIN-347S+SP 1605.0 1650.5 102.6 1653.9 102.8 +0.2 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-348 107.0 113.1 106.3 106.0 99.6 -6.7 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE329W-352 107.0 115.2 108.3 107.4 100.9 -7.4 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362E 107.0 115.7 109.0 106.6 100.3 -8.7 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362W 107.0 126.9 120.5 118.0 111.7 -8.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362WE 107.0 119.2 113.0 110.3 104.3 -8.7 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 134.1 127.3 125.5 118.8 -8.5 1732 SPS/LINE UPGRADE 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 201.4 112.4 201.4 112.5 +0.1 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 132.8 125.9 122.8 116.1 -9.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 132.8 125.9 122.9 116.1 -9.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 143.9 136.8 134.1 126.9 -9.9 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 144.0 136.8 134.2 127.0 -9.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 139.3 131.3 130.3 122.6 -8.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 139.4 131.3 130.4 122.6 -8.7 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_7T_STK 107.0 110.2 103.7 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 124.1 117.0 <99.0 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 MANCSTER21T 165.0 159.9 99.3 <99.0 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329WE 107.0 117.5 110.7 109.9 103.4 -7.3 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329W 107.0 117.5 110.7 109.9 103.4 -7.3 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329E 107.0 117.6 110.7 109.9 103.4 -7.3 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-352 107.0 115.2 108.3 107.4 100.9 -7.4 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK1T 107.0 115.6 108.9 106.1 99.9 -9.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK2T 107.0 115.6 108.9 106.1 99.9 -9.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK3T 107.0 115.7 109.0 106.6 100.3 -8.7 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE362A&376 107.0 119.2 113.0 109.9 103.9 -9.3 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387A 107.0 118.7 112.0 112.3 105.7 -6.3 1732 SPS/LINE UPGRADE 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 454.4 101.9 457.6 102.6 +0.7 1732 3262 *CANTON 115 3263 WEINGART 115 1 CCT_362&1975 107.0 105.7 99.4 <99.0 1732 SPS/LINE UPGRADE 1771 3244 N.BLMFLD 115 3258 *BLOOMFLD 115 1 CCT1207&1775 193.0 190.0 101.1 187.7 99.8 -1.3 1732 3262 *CANTON 115 3263 WEINGART 115 1 CCT1751&1777 107.0 105.8 99.0 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 <99.0 117.6 110.6 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387H 107.0 <99.0 114.8 108.1 1732 SPS/LINE UPGRADE



TABLE Vd-8: Compare: neny7pkimp-1.out with: csc-neny7pkimp-1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-312-393 107.0 106.3 100.6 <99.0 1732 SPS/LINE UPGRADE 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LINE-347+SP 1605.0 1650.9 102.8 1654.0 102.9 +0.1 395 3103 MEEKVL J 345 2925 *LUDLOW 345 1 LIN-347S+SP 1605.0 1650.9 102.8 1654.0 102.9 +0.1 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-348 107.0 115.8 109.2 108.8 102.4 -6.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE329W-352 107.0 117.1 110.2 109.3 102.7 -7.5 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362E 107.0 126.9 120.6 118.1 111.8 -8.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362W 107.0 126.9 120.6 118.1 111.8 -8.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362WE 107.0 126.9 120.6 118.1 111.8 -8.8 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 LINE-395 165.0 159.6 99.1 <99.0 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 136.2 129.6 127.6 121.0 -8.6 1732 SPS/LINE UPGRADE 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 206.5 115.4 206.3 115.4 -0.0 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 143.9 136.8 134.1 127.0 -9.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 144.0 136.9 134.2 127.0 -9.9 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 143.9 136.8 134.1 127.0 -9.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 144.0 136.8 134.2 127.0 -9.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 140.6 132.7 131.7 124.0 -8.7 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 140.7 132.8 131.8 124.0 -8.8 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_7T_STK 107.0 113.1 106.8 106.5 100.3 -6.5 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_7T_STK 107.0 105.4 99.8 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 109.4 103.5 <99.0 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 MANCSTER21T 165.0 159.8 99.4 <99.0 1732 3262 *CANTON 115 3263 WEINGART 115 1 NRTFD_STK_3T 107.0 107.1 101.4 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329WE 107.0 119.2 112.4 111.6 105.0 -7.4 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329W 107.0 119.2 112.4 111.6 105.0 -7.4 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329E 107.0 119.2 112.4 111.6 105.0 -7.4 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-352 107.0 117.1 110.2 109.3 102.7 -7.5 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK2T 107.0 122.0 116.7 112.9 107.5 -9.2 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK3T 107.0 104.9 99.6 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-310&348 107.0 106.6 100.7 <99.0 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE362A&376 107.0 122.0 116.8 112.9 107.6 -9.2 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387A 107.0 122.1 115.7 115.8 109.4 -6.3 1732 SPS/LINE UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 CCT8100&8200 107.0 107.1 101.5 <99.0 1732 SPS/LINE UPGRADE 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 455.1 102.0 458.3 102.8 +0.8 1732 3262 *CANTON 115 3263 WEINGART 115 1 CCT_362&1975 107.0 108.6 102.5 <99.0 1732 SPS/LINE UPGRADE 1777 3244 N.BLMFLD 115 3258 *BLOOMFLD 115 1 CCT1207&1775 193.0 190.9 101.7 188.8 100.5 -1.2 NU wavetrap replacement 1732 3262 *CANTON 115 3263 WEINGART 115 1 CCT1751&1777 107.0 107.9 101.2 <99.0 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT_395&1779 165.0 159.9 99.1 <99.0 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-310&383 107.0 106.2 100.4 <99.0 1732 SPS/LINE UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT395-1551 165.0 159.5 99.1 <99.0 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387H 107.0 <99.0 118.2 111.8 1732 SPS/LINE UPGRADE

Appendix Ve Cross Sound HVdc Phase I Subordinate Studies


Millstone 1 Sensitivity: Thermal Loading Comparison

TABLE Ve-1: Compare: pkex-1-m1.out with: csc-pkex-1-m1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 444.7 99.5 <99.0

TABLE Ve-2: Compare: peakexp-m1.out with: csc-peakexp-m1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 910001 3701 CRRA JCT 115 3703 *ASHCREEK 115 1 CCT1710&1730 439.0 444.6 99.5 <99.0

TABLE Ve-3: Compare: midexp-m1.out with: csc-midexp-m1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LINE-398 372.0 382.8 102.9 <99.0 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LINE-398 335.0 382.7 109.4 <99.0

TABLE Ve-4: Compare: mdexp-1-m1.out with: csc-mdexp-1-m1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1385 3166 *NORHR138 138 3171 NWLK HAR 115 1 LINE-398 372.0 380.4 102.3 <99.0 1385 3166 *NORHR138 138 5053 NRTHPT P 138 1 LINE-398 335.0 380.4 108.7 <99.0

APPENDIX VI

IMPORT MODE: 330 MW Transfer from Long Island to CT

Thermal Results


Appendix VIa Cross Sound HVdc Phase I

Subordinate Studies Mode: 330 MW Net Import to Connecticut

Appendix VI – Comparison of Thermal VIiolations


CT Export/Import


VIa-1 Ipeakexp csci-peakexp VIa-2 Export

Ipkex-2 csci -pkex-2 VIa-3 Ipeakimp csci-peakimp VIa-4

Peak Load Import

Ipkimp-2 csci-pkimp-2 VIb-1 Imidexp csci -midexp VIb-2 Export

Imdexp-2 csci-mdexp-2 VIb-3 Imidimp csci -midimp VIb-4

75% Load Import

Imdimp-1 csci-mdimp-1 VIc-1 INYNE7PKIMP csci-NYNE7PKIMP VIc-2 Import

INYNE7PKIMP-2 Csci-NYNE7PKIMP-2 VIc-3 INYNE7PKEX csci-NYNE7PKEX VIc-4 Export

INYNE7PKEX-2 csci-NYNE7PKEX-2 VId-1 INENY7PKIMP Csci-NENY7PKIMP VId-2 Import

INENY7PKIMP-2 Csci-NENY7PKIMP-2 VId-3 INENY7PKEX csci-NENY7PKEX VId-4


Sensitivity

Export INENY7PKEX-2 csci-NENY7PKEX-2

330 MW Net


Appendix VIa Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Import to Connecticut Cross Sound Dispatched Against New Haven Harbor: Thermal Loading Comparison Peak Load Dispatches TABLE VIa-1: Compare: ipeakexp.out with: csci-peakexp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1570 3192 DRBY J B 115 3705 *IND.WELL 115 1 LINE-1545 150.0 165.5 110.4 162.6 108.5 -1.9 1570 SPS 1580 3126 *DEVON 115 3199 SO.NAUG 115 1 CCT1545&1570 112.0 121.4 105.4 112.3 102.0 -3.4 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 265.1 112.0 261.3 110.4 -1.6 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 CCT1670&1830 234.0 235.5 99.3 <99.0 1867 3171 NWLK HAR 115 3271 *RYTN J B 115 1 CCT1880&1890 304.0 354.8 113.9 354.7 113.8 -0.1 1880 3169 *RYTN J A 115 3171 NWLK HAR 115 1 CCT1867&1977 274.0 302.1 107.4 301.2 107.1 -0.3 1785 3243 BERLIN 115 3254 *NEWINGTN 115 1 LINE-1769 182.0 176.6 99.9 <99.0 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-1771 234.0 239.7 101.2 236.0 99.6 -0.6

TABLE VIa-2: Compare: ipkex-2.out with: csci-pkex-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1570 3192 DRBY J B 115 3705 *IND.WELL 115 1 LINE-1545 150.0 165.4 110.4 163.5 109.1 -1.3 1570 SPS 1580 3126 DEVON 115 3199 *SO.NAUG 115 1 CCT1545&1570 112.0 115.1 104.5 113.5 103.1 -1.6 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 260.4 110.0 256.9 108.5 -1.5 1867 3171 NWLK HAR 115 3271 *RYTN J B 115 1 CCT1880&1890 304.0 354.8 113.9 354.4 113.7 -0.2 1880 3169 *RYTN J A 115 3171 NWLK HAR 115 1 CCT1867&1977 274.0 302.3 107.5 301.3 107.1 -0.4 1785 3243 BERLIN 115 3254 *NEWINGTN 115 1 LINE-1769 182.0 175.3 99.3 <99.0 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-1771 234.0 235.1 99.3 <99.0

TABLE VIa-3: Compare: ipeakimp.out with: csci-peakimp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 107.7 101.6 110.6 104.5 +2.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 110.6 104.1 114.7 108.1 +4.0 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 110.6 104.1 114.7 108.1 +4.0 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 <99.0 108.9 102.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 <99.0 108.9 102.2 1732 SPS/UPGRADE

Appendix VIa Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Import to Connecticut TABLE VIa-4: Compare: ipkimp-2.out with: csci-pkimp-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 109.8 103.7 118.4 111.9 +8.3 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 110.7 104.3 116.8 110.2 +5.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 110.7 104.3 116.9 110.2 +5.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 110.7 104.3 116.8 110.2 +5.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 110.7 104.3 116.9 110.2 +5.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 106.6 100.0 112.4 105.5 +5.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 106.6 100.0 112.4 105.5 +5.9 1732 SPS/UPGRADE

Appendix VIb Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Import to Connecticut 75% Load Dispatches TABLE VIb-1: Compare: imidexp.out with: csci-midexp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE-347 218.0 210.1 100.1 209.9 100.0 -0.1 1870 SPS 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE330&347 218.0 210.1 100.1 209.9 100.0 -0.1 1870 SPS

TABLE VIb-2: Compare: imdexp-2.out with: csci-mdexp-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By NOTHING TO REPORT

Appendix VIb Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Import to Connecticut TABLE VIb-3: Compare: imidimp.out with: csci-midimp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 114.8 107.7 111.8 104.8 -2.9 1732 SPS/UPGRADE 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 185.8 102.9 184.2 101.7 -2.2 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 114.0 106.4 111.2 103.8 -2.6 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 114.0 106.4 111.2 103.8 -2.6 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 108.7 101.3 107.0 99.8 -1.5 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 108.8 101.3 107.0 99.8 -1.5 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 107.9 100.5 <99.0 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 LINE-395 165.0 <99.0 160.3 99.3 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 MANCSTER21T 165.0 <99.0 160.6 99.5 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT_395&1779 165.0 <99.0 160.4 99.1 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 CCT395-1551 165.0 <99.0 160.3 99.2

TABLE VIb-4: Compare: imdimp-1.out with: csci-mdimp-1.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 116.9 109.7 114.1 107.0 -2.7 1732 SPS/UPGRADE 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 191.0 105.8 193.2 107.1 +1.3 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 114.0 106.4 111.6 104.2 -2.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 114.0 106.4 111.6 104.2 -2.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 114.0 106.4 111.6 104.2 -2.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 114.0 106.4 111.6 104.2 -2.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 110.1 102.6 108.9 101.5 -1.1 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 110.0 102.5 108.9 101.5 -1.0 1732 SPS/UPGRADE 1768 3244 N.BLMFLD 115 2955 *SOUTHWCK 115 1 MANCSTER21T 165.0 159.8 <99.0 99.1

Appendix VIc Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Import to Connecticut

NY-NE Transfer Sensitivity

TABLE VIc-1: Compare: inyne7pkimp.out with: csci-nyne7pkimp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By NOTHING TO REPORT

TABLE VIc-2: Compare: inyne7pkimp-2.out with: csci-nyne7pkimp-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 <99.0 113.2 106.9 1732 SPS/UPGRADE

TABLE VIc-3: Compare: inyne7pkex.out with: csci-nyne7pkex.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1570 3192 DRBY J B 115 3705 *IND.WELL 115 1 LINE-1545 150.0 150.0 99.8 <99.0 1570 SPS 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE-347 284.0 279.7 104.3 279.6 104.2 -0.1 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE-347 218.0 226.7 111.6 226.6 111.6 1870 SPS 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 276.2 116.8 272.3 115.2 -1.6 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 CCT1670&1830 234.0 246.5 104.1 242.7 102.4 -1.7 1867 3171 NWLK HAR 115 3271 *RYTN J B 115 1 CCT1880&1890 304.0 352.0 112.9 352.0 112.9 1880 3169 *RYTN J A 115 3171 NWLK HAR 115 1 CCT1867&1977 274.0 292.0 103.8 291.1 103.5 -0.3 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 LINE-1670 234.0 240.5 101.7 236.7 100.1 -1.6 1785 3243 BERLIN 115 3254 *NEWINGTN 115 1 LINE-1769 182.0 179.9 102.1 178.3 101.1 -1.0 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-1771 234.0 250.4 105.9 246.7 104.3 -1.6 1670 3206 *RES RD J 115 3243 BERLIN 115 1 LINE-1771 234.0 234.4 100.4 <99.0 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE330&347 284.0 279.7 104.3 279.6 104.2 -0.1 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE330&347 218.0 226.7 111.6 226.6 111.6 1870 SPS

Appendix VIc Cross Sound HVdc Phase I Subordinate Studies

Mode: 330 MW Net Import to Connecticut TABLE VIc-4: Compare: inyne7pkex-2.out with: csci-nyne7pkex-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1570 3192 DRBY J B 115 3705 *IND.WELL 115 1 LINE-1545 150.0 150.9 100.4 148.8 99.1 -1.3 1570 SPS 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 271.9 115.0 268.3 113.4 -1.6 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 CCT1670&1830 234.0 242.2 102.2 238.6 100.7 -1.5 1867 3171 NWLK HAR 115 3271 *RYTN J B 115 1 CCT1880&1890 304.0 352.1 112.9 351.8 112.9 1880 3169 *RYTN J A 115 3171 NWLK HAR 115 1 CCT1867&1977 274.0 292.4 103.9 291.4 103.6 -0.3 1771 3198 *SOUTHGTN 115 3243 BERLIN 115 1 LINE-1670 234.0 236.2 99.9 <99.0 1785 3243 BERLIN 115 3254 *NEWINGTN 115 1 LINE-1769 182.0 178.9 101.5 177.4 100.6 -0.9 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 LINE-1771 234.0 246.2 104.1 242.7 102.6 -1.5 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE-347 284.0 276.1 102.7 276.1 102.7 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE-347 218.0 223.3 109.6 223.3 109.6 1870 SPS 1280 3177 *MYSTICCT 115 3216 WHIP JCT 115 1 LINE330&347 284.0 276.1 102.7 276.1 102.7 1870 3285 *CTRI1870 115 2581 WOOD RV 115 1 LINE330&347 218.0 223.3 109.6 223.3 109.6 1870 SPS

Appendix VIc Cross Sound HVdc Phase I


NE-NY Transfer Sensitivity

TABLE VId-1: Compare: ineny7pkimp.out with: csci-neny7pkimp.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-348 107.0 109.0 102.4 111.8 105.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE329W-352 107.0 108.9 102.3 111.8 105.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362E 107.0 113.2 106.6 116.9 110.1 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362W 107.0 124.6 118.2 128.1 121.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362WE 107.0 116.9 110.7 120.6 114.5 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 116.0 109.4 118.9 112.3 1732 SPS/UPGRADE 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 191.1 106.5 192.0 107.0 +0.5 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 135.1 128.0 139.2 132.3 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 135.2 128.0 139.3 132.3 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 146.2 138.9 150.2 143.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 146.2 138.9 150.2 143.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 142.7 134.6 146.4 138.4 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 142.7 134.6 146.4 138.4 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_7T_STK 107.0 107.0 100.6 109.8 103.3 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 116.4 109.6 121.9 115.0 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 NRTFD_STK_3T 107.0 105.6 99.7 107.6 101.7 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329WE 107.0 120.1 113.2 123.3 116.4 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329W 107.0 120.1 113.2 123.3 116.4 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329E 107.0 120.1 113.1 123.3 116.4 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-352 107.0 108.9 102.3 111.8 105.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK1T 107.0 113.5 106.8 117.3 110.5 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK2T 107.0 113.5 106.8 117.2 110.4 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK3T 107.0 113.2 106.6 116.9 110.1 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE362A&376 107.0 117.2 111.0 120.9 114.8 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387A 107.0 111.2 104.6 116.6 110.0 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-312-393 107.0 <99.0 106.5 100.6 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387H 107.0 <99.0 113.7 107.1 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-393 107.0 <99.0 106.5 100.6 1732 SPS/UPGRADE



TABLE VId-2: Compare: ineny7pkimp-2.out with: csci-neny7pkimp-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-312-393 107.0 106.8 101.2 109.9 104.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-348 107.0 111.7 105.3 114.9 108.4 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE329W-352 107.0 110.8 104.2 118.9 111.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362E 107.0 124.6 118.3 128.8 122.6 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362W 107.0 124.6 118.3 128.8 122.6 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-362WE 107.0 124.6 118.3 128.8 122.6 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LMTN_6T-8T 107.0 118.0 111.5 127.1 120.2 1732 SPS/UPGRADE 1080 3214 WAWECS J 115 3215 *CARD 115 1 CARD_ST_STK 181.0 196.1 109.5 197.0 109.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STA 107.0 146.2 139.0 153.3 146.1 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STB 107.0 146.2 139.0 153.3 146.1 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STC 107.0 146.2 139.0 153.3 146.1 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_4T_STD 107.0 146.2 139.0 153.3 146.1 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STA 107.0 144.0 136.1 150.7 142.7 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_5T_STB 107.0 144.1 136.1 150.7 142.7 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SOUTN_7T_STK 107.0 110.0 103.7 113.0 106.7 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 NRTFD_STK_3T 107.0 107.9 102.3 110.9 105.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329WE 107.0 121.7 114.9 129.3 122.3 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329W 107.0 121.7 114.9 129.3 122.3 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-329E 107.0 121.8 114.9 129.4 122.3 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-352 107.0 110.8 104.1 118.9 111.9 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK2T 107.0 120.2 114.7 124.7 119.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE362A&376 107.0 120.2 114.7 124.7 119.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387A 107.0 114.6 108.2 120.9 114.7 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 CCT_362&1975 107.0 105.1 99.1 108.5 102.5 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-393 107.0 106.8 101.2 109.9 104.2 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-387S 107.0 <99.0 105.3 99.5 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 SCVRK_8T_STK 107.0 <99.0 108.1 102.3 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 HADDAM_STK3T 107.0 <99.0 107.0 101.4 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-310&348 107.0 <99.0 106.4 100.5 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE348&387H 107.0 <99.0 117.9 111.6 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 CCT8100&8200 107.0 <99.0 105.0 99.3 1732 SPS/UPGRADE 1777 3244 N.BLMFLD 115 3258 *BLOOMFLD 115 1 CCT1207&1775 193.0 <99.0 186.3 99.1 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 CCT1751&1777 107.0 <99.0 106.7 100.0 1732 SPS/UPGRADE 1732 3262 *CANTON 115 3263 WEINGART 115 1 LINE-310&383 107.0 <99.0 105.1 99.3 1732 SPS/UPGRADE

TABLE VId-3: Compare: ineny7pkex.out with: csci-neny7pkex.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1570 3192 DRBY J B 115 3705 *IND.WELL 115 1 LINE-1545 150.0 167.8 112.1 164.9 110.2 -1.9 1570 SPS 1880 3169 *RYTN J A 115 3171 NWLK HAR 115 1 LINE-1867 274.0 280.3 99.5 280.0 99.4 -0.1 1950 3154 SGTN B 115 3211 *CANAL 115 1 LINE-329W 284.0 278.7 99.6 282.5 101.1 +1.5 1580 3126 DEVON 115 3199 *SO.NAUG 115 1 CCT1545&1570 112.0 115.5 105.2 111.8 101.8 -3.8 1670 3198 *SOUTHGTN 115 3206 RES RD J 115 1 CCT1771&1830 234.0 235.7 99.6 <99.0



1867 3171 NWLK HAR 115 3271 *RYTN J B 115 1 CCT1880&1890 304.0 354.7 113.8 354.8 113.9 +0.1 1880 3169 *RYTN J A 115 3171 NWLK HAR 115 1 CCT1867&1977 274.0 304.4 108.2 303.5 107.9 -0.3 1910 3154 SGTN B 115 3204 *TODD 115 1 LINE-329W 284.0 <99.0 275.0 99.5

TABLE VId-4: Compare: ineny7pkex-2.out with: csci-neny7pkex-2.out ACCC OVERLOAD REPORT: MONITORED ELEMENTS LOADED ABOVE 99.0 % OF RATING SET B NO Project WITH Project Overloaded Element % of % of Line Bus Name Bus Name Ct Contingency RATE FLOW LTE FLOW LTE DELTA Comments – Alleviated By 1570 3192 DRBY J B 115 3705 *IND.WELL 115 1 LINE-1545 150.0 167.7 112.0 166.0 111.0 +1.0 1570 SPS 1880 3169 *RYTN J A 115 3171 NWLK HAR 115 1 LINE-1867 274.0 281.5 99.9 280.6 99.6 1910 3154 SGTN B 115 3204 *TODD 115 1 LINE-329W 284.0 304.9 109.7 <99.0 1950 3154 SGTN B 115 3211 *CANAL 115 1 LINE-329W 284.0 314.3 111.9 280.1 100.4 -11.5 1550 3200 NOERA JA 115 3211 *CANAL 115 1 LINE-329W 284.0 294.7 105.0 <99.0 1163 3204 *TODD 115 3205 NOERA JB 115 1 LINE-329W 284.0 280.0 100.8 <99.0 1580 3126 DEVON 115 3199 *SO.NAUG 115 1 CCT1545&1570 112.0 114.6 104.3 113.0 103.2 -1.1 1867 3171 NWLK HAR 115 3271 *RYTN J B 115 1 CCT1880&1890 304.0 356.4 114.4 355.2 114.0 -0.4 1880 3169 *RYTN J A 115 3171 NWLK HAR 115 1 CCT1867&1977 274.0 305.4 108.6 304.2 108.2 -0.4

APPENDIX VII

Voltage Analysis


Appendix VII – Comparison of Voltage VIIolations


CT Export/Import


VII-1 Peakexp Csc-peakexp VII-2 Pkex-1 Csc- pkex-1 VII-3

Export Pkex-4 Csc- pkex-4

VII-4 Peakimp Csc-peakimp VII-5 Pkimp-1 Csc- pkimp-1 VII-6

Peak Load

Import Pkimp-6 Csc- pkimp-6

VII-7 Midexp Csc-Midexp VII-8 Mdexp-1 Csc-Mdexp-1 VII-9

Export Mdexp-4 Csc-Mdexp-4

VII-10 Midimp Csc-Midimp VII-11

75% Load

Import Mdimp-1 Csc-Mdimp-1

VII-12 NYNE7PKIMP CSC-NYNE7PKIMP VII-13 Import

NYNE7PKIMP-1 CSC-NYNE7PKIMP-1 VII-14 NYNE7PKEX CSC-NYNE7PKEX VII-15 Export

NYNE7PKEX-1 CSC-NYNE7PKEX-1 VII-16 NENY7PKIMP CSC-NENY7PKIMP VII-17 Import

NENY7PKIMP-1 CSC-NENY7PKIMP-1 VII-18 NENY7PKEX CSC-NENY7PKEX VII-19


Sensitivity

Export NENY7PKEX-1 CSC-NENY7PKEX-1

VII-20 Peakexp-M1 Csc-Peakexp-M1 VII-21 Pkex-1-M1 Csc-Pkex-1-M1 VII-22 Midexp-M1 Csc-Midexp-M1 VII-23

Millstone #1 Sensitivity Export

Mdexp-1-M1 Csc-Mdexp-1-M1 VII-24 NENY7PKIMP-2 CSC-NENY7PKIMP-2 VII-25 NENY7PKIMP-3 CSC-NENY7PKIMP-3 VII-26 NENY7PKIMP-4 CSC-NENY7PKIMP-4 VII-27 NENY7PKIMP-5 CSC-NENY7PKIMP-5 VII-28

Import

NENY7PKIMP-6 CSC-NENY7PKIMP-6 VII-29 NENY7PKEX-2 CSC-NENY7PKEX-2 VII-30 NENY7PKEX-3 CSC-NENY7PKEX-3 VII-31 NYNE7PKEX-2 CSC-NYNE7PKEX-2 VII-32 NYNE7PKEX-3 CSC-NYNE7PKEX-3 VII-33

Ct 115 kV Generation Dispatches

Export

Mdexp-6 CSC-Mdexp-6

330 MW Net


VII-34 Ipeakexp csci-peakexp VII-35 Export

Ipkex-2 csci -pkex-2 VII-36 Ipeakimp csci-peakimp VII-37

Peak Load Import

Ipkimp-2 csci-pkimp-2 VII-38 Imidexp csci -midexp VII-39 Export

Imdexp-2 csci-mdexp-2 VII-40 Imidimp csci -midimp VII-41

75% Load Import

Imdimp-1 csci-mdimp-1 VII-42 INYNE7PKIMP csci-NYNE7PKIMP VII-43 Import

INYNE7PKIMP-2 Csci-NYNE7PKIMP-2 VII-44 INYNE7PKEX csci-NYNE7PKEX VII-45 Export

INYNE7PKEX-2 csci-NYNE7PKEX-2 VII-46 INENY7PKIMP Csci-NENY7PKIMP VII-47 Import

INENY7PKIMP-2 Csci-NENY7PKIMP-2 VII-48 INENY7PKEX csci-NENY7PKEX VII-49


Sensitivity

Export INENY7PKEX-2 csci-NENY7PKEX-2

330 MW Net



Appendix VII – Comparison of Voltage Violations

Notes: All voltage violations for 69 kV and above in CT area are summarized. All voltages noted are in p.u. V-Cont=Voltage Postcontingency, V-Init=Initial Voltage Precontingency

Table VII-1 Case: peakexp Case: csc-peakexp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9712 1.0291 0.9713 1.0291 0.000 ALLINGSB 115 LINE-8904B 0.9705 1.0291 0.9707 1.0291 0.000 BATES RK 115 LINE-1770 0.8983 1.0032 0.8964 1.0055 -0.002 CCT_1770&321 0.8970 1.0032 0.8944 1.0055 -0.003 BULLS BR 115 LINE-1770 0.9456 0.9993 0.9440 1.0005 -0.002 CANTON 115 LINE-1784 0.9410 0.9919 0.9399 0.9914 -0.001 GREEN HL 115 LINE-1508 0.9481 1.0022 0.9485 1.0022 0.000 LINE-1537 0.9483 1.0022 0.9486 1.0022 0.000 HAWTHORN 115 LINE-1710 0.9434 1.0173 0.9417 1.0174 -0.002 CCT1710&1730 0.9097 1.0173 0.9042 1.0174 -0.005 HAWTREAC 115 LINE-1710 0.9330 1.0143 0.9311 1.0146 -0.002 CCT1710&1730 0.8961 1.0143 0.8900 1.0146 -0.006 MYSTICCT 115 LINE-1280 0.8862 0.9866 0.8864 0.9878 0.000 OLD TOWN 115 CCT1710&1730 0.8902 1.0172 0.8838 1.0174 -0.006 RDGEFLDB 115 LINE-1565 0.9168 1.0023 0.9169 1.0041 0.000 LINE-1775 0.9513 1.0014 0.9516 1.0017 0.000 RKRIV PF 115 LINE-1770 0.9473 1.0009 0.9457 1.0021 -0.002 ROCK RIV 115 LINE-1770 0.9473 1.0009 0.9457 1.0021 -0.002 SHEPAUG 115 LINE-1770 0.9093 1.0069 0.9075 1.0093 -0.002 SHEPAUG 69.0 LINE-1770 0.9165 1.0135 0.9148 1.0158 -0.002 STONY HL 115 LINE-1770 0.9188 1.0063 0.9170 1.0087 -0.002 W.BRKFLD 115 LINE-1770 0.9282 1.0024 0.9265 1.0043 -0.002

Table VII-2 Case: pkex-1 Case: csc-pkex-1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9711 1.0291 0.9714 1.0291 0.000 ALLINGSB 115 LINE-8904B 0.9705 1.0291 0.9707 1.0291 0.000 BATES RK 115 LINE-1770 0.8982 1.0032 0.8964 1.0056 -0.002 LIN1887-1662 0.9072 1.0032 0.9107 1.0056 0.003 CCT_1770&321 0.8970 1.0032 0.8945 1.0056 -0.003 BULLS BR 115 LINE-1770 0.9455 0.9993 0.9439 1.0005 -0.002 CANTON 115 LINE-1784 0.9409 0.9922 0.9398 0.9916 -0.001 CTRI1870 115 LINE-1280 0.8991 0.9854 0.8993 0.9866 0.000 GREEN HL 115 LINE-1508 0.9478 1.0021 0.9482 1.0022 0.000 LINE-1537 0.9480 1.0021 0.9484 1.0022 0.000 HAWTHORN 115 LINE-1710 0.9434 1.0173 0.9428 1.0175 -0.001 CCT1710&1730 0.9097 1.0173 0.9058 1.0175 -0.004 HAWTREAC 115 LINE-1710 0.9330 1.0143 0.9323 1.0147 -0.001 CCT1710&1730 0.8961 1.0143 0.8917 1.0147 -0.004 MYSTICCT 115 LINE-1280 0.8862 0.9871 0.8865 0.9881 0.000 OLD TOWN 115 LINE-1710 0.9280 1.0172 0.9274 1.0175 -0.001 CCT1710&1730 0.8902 1.0172 0.8857 1.0175 -0.004 RDGEFLDB 115 LINE-1565 0.9168 1.0023 0.9169 1.0041 0.000 LINE-1775 0.9511 1.0014 0.9514 1.0017 0.000 RKRIV PF 115 LINE-1770 0.9473 1.0009 0.9457 1.0021 -0.002 ROCK RIV 115 LINE-1770 0.9473 1.0009 0.9457 1.0021 -0.002 SHEPAUG 115 LINE-1770 0.9093 1.0069 0.9075 1.0093 -0.002 SHEPAUG 69.0 LINE-1770 0.9165 1.0135 0.9147 1.0159 -0.002 STONY HL 115 LINE-1770 0.9187 1.0064 0.9170 1.0088 -0.002 W.BRKFLD 115 LINE-1770 0.9282 1.0025 0.9265 1.0043 -0.002



Table VII-3 Case: pkex-4 Case: csc-pkex-4 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9693 1.0282 0.9701 1.0284 0.001 ALLINGSB 115 LINE-8904B 0.9686 1.0282 0.9694 1.0284 0.001 BATES RK 115 LINE-1770 0.8992 1.0025 0.8970 1.0044 -0.002 CCT_1770&321 0.8964 1.0025 0.8931 1.0044 -0.003 BULLS BR 115 LINE-1770 0.9464 0.9990 0.9445 0.9998 -0.002 CANTON 115 LINE-1784 0.9421 0.9934 0.9407 0.9928 -0.001 GREEN HL 115 LINE-1508 0.9479 1.0023 0.9481 1.0021 0.000 LINE-1537 0.9481 1.0023 0.9483 1.0021 0.000 HAWTHORN 115 LINE-1710 0.9445 1.0175 0.9391 1.0175 -0.005 CCT1710&1730 0.9091 1.0175 0.8978 1.0175 -0.011 HAWTREAC 115 LINE-1710 0.9341 1.0149 0.9283 1.0152 -0.006 HAWTREAC 115 CCT1710&1730 0.8955 1.0149 0.8829 1.0152 -0.013 MYSTICCT 115 LINE-1280 0.8862 0.9851 0.8864 0.9862 0.000 OLD TOWN 115 LINE-1710 0.9292 1.0177 0.9233 1.0178 -0.006 CCT1710&1730 0.8895 1.0177 0.8766 1.0178 -0.013 RDGEFLDB 115 LINE-1565 0.9171 1.0022 0.9172 1.0034 0.000 LINE-1775 0.9510 1.0013 0.9512 1.0015 0.000 RKRIV PF 115 LINE-1770 0.9481 1.0006 0.9462 1.0014 -0.002 ROCK RIV 115 LINE-1770 0.9481 1.0006 0.9462 1.0014 -0.002 SHEPAUG 115 LINE-1770 0.9102 1.0063 0.9081 1.0081 -0.002 CCT_1770&321 0.9075 1.0063 0.9042 1.0081 -0.003 SHEPAUG 69.0 LINE-1770 0.9175 1.0129 0.9153 1.0147 -0.002 CCT_1770&321 0.9148 1.0129 0.9115 1.0147 -0.003 STONY HL 115 LINE-1770 0.9196 1.0057 0.9176 1.0076 -0.002 W.BRKFLD 115 LINE-1770 0.9291 1.0020 0.9271 1.0033 -0.002

Table VII-4 Case: peakimp Case: csc-peakimp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9707 1.0284 0.9721 1.0291 0.001 ALLINGSB 115 LINE-8904B 0.9700 1.0284 0.9714 1.0291 0.001 BATES RK 115 LINE-1770 0.8973 1.0012 0.8958 1.0026 -0.001 CCT_1770&321 0.8929 1.0012 0.8925 1.0026 0.000 BULLS BR 115 LINE-1770 0.9447 0.9983 0.9434 0.9988 -0.001 CANTON 115 LINE-1784 0.9423 0.9963 0.9396 0.9954 -0.003 CTRI1870 115 LINE-1280 0.8964 0.9955 0.8984 0.9951 0.002 GREEN HL 115 LINE-1508 0.9463 1.0013 0.9478 1.0030 0.001 LINE-1537 0.9465 1.0013 0.9480 1.0030 0.001 HAWTHORN 115 LINE-1710 0.9351 1.0167 0.9362 1.0167 0.001 CCT1710&1730 0.8913 1.0167 0.8929 1.0167 0.002 HAWTREAC 115 LINE-1710 0.9238 1.0142 0.9251 1.0140 0.001 CCT1710&1730 0.8757 1.0142 0.8775 1.0140 0.002 MYSTICCT 115 LINE-1280 0.8835 0.9982 0.8858 0.9978 0.002 OLD TOWN 115 LINE-1710 0.9186 1.0172 0.9199 1.0170 0.001 CCT1710&1730 0.8692 1.0172 0.8710 1.0170 0.002 RDGEFLDB 115 LINE-1565 0.9163 1.0007 0.9161 1.0018 0.000 RKRIV PF 115 LINE-1770 0.9465 0.9999 0.9451 1.0004 -0.001 ROCK RIV 115 LINE-1770 0.9465 0.9999 0.9451 1.0004 -0.001 SHEPAUG 115 LINE-1770 0.9084 1.0049 0.9069 1.0063 -0.001 CCT_1770&321 0.9041 1.0049 0.9037 1.0063 0.000 SHEPAUG 69.0 LINE-1770 0.9156 1.0116 0.9142 1.0130 -0.001 CCT_1770&321 0.9114 1.0116 0.9110 1.0130 0.000 STONY HL 115 LINE-1770 0.9178 1.0044 0.9164 1.0058 -0.001 W.BRKFLD 115 LINE-1770 0.9274 1.0007 0.9260 1.0018 -0.001



Table VII-5 Case: pkimp-1 Case: csc-pkimp-1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9706 1.0284 0.9720 1.0291 0.001 ALLINGSB 115 LINE-8904B 0.9699 1.0284 0.9713 1.0291 0.001 BATES RK 115 LINE-1770 0.8948 1.0011 0.8911 1.0031 -0.004 CCT_1770&321 0.8887 1.0011 0.8868 1.0031 -0.002 BULLS BR 115 LINE-1770 0.9430 0.9982 0.9398 0.9985 -0.003 CANTON 115 LINE-1784 0.9408 0.9961 0.9376 0.9947 -0.003 CTRI1870 115 LINE-1280 0.8983 0.9948 0.8955 0.9940 -0.003 GREEN HL 115 LINE-1508 0.9451 1.0012 0.9445 1.0021 -0.001 LINE-1537 0.9454 1.0012 0.9448 1.0021 -0.001 HAWTHORN 115 LINE-1710 0.9349 1.0167 0.9365 1.0168 0.002 CCT1710&1730 0.8900 1.0167 0.8932 1.0168 0.003 HAWTREAC 115 LINE-1710 0.9237 1.0142 0.9254 1.0140 0.002 CCT1710&1730 0.8742 1.0142 0.8778 1.0140 0.004 MYSTICCT 115 LINE-1280 0.8856 0.9976 0.8825 0.9967 -0.003 OLD TOWN 115 LINE-1710 0.9185 1.0171 0.9203 1.0170 0.002 CCT1710&1730 0.8676 1.0171 0.8714 1.0170 0.004 RDGEFLDB 115 LINE-1565 0.9161 1.0007 0.9159 1.0022 0.000 RKRIV PF 115 LINE-1770 0.9448 0.9998 0.9415 1.0001 -0.003 ROCK RIV 115 LINE-1770 0.9448 0.9998 0.9415 1.0001 -0.003 SHEPAUG 115 LINE-1770 0.9061 1.0049 0.9025 1.0068 -0.004 CCT_1770&321 0.9002 1.0049 0.8982 1.0068 -0.002 SHEPAUG 69.0 LINE-1770 0.9133 1.0115 0.9097 1.0134 -0.004 CCT_1770&321 0.9075 1.0115 0.9056 1.0134 -0.002 STONY HL 115 LINE-1770 0.9157 1.0044 0.9122 1.0063 -0.003 W.BRKFLD 115 LINE-1770 0.9254 1.0006 0.9220 1.0019 -0.003

Table VII-6 Case: pkimp-6 Case: csc-pkimp-6 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9688 1.0279 0.9712 1.0288 0.002 ALLINGSB 115 LINE-8904B 0.9681 1.0279 0.9706 1.0288 0.003 ANSONIA 115 CCT1545&1570 0.9397 1.0116 0.9359 1.0112 -0.004 BATES RK 115 LINE-1770 0.8940 1.0034 0.8899 1.0020 -0.004 BATES RK 115 CCT_1770&321 0.8868 1.0034 0.8847 1.0020 -0.002 BULLS BR 115 LINE-1770 0.9423 0.9994 0.9388 0.9974 -0.004 GREEN HL 115 LINE-1508 0.9441 1.0006 0.9469 1.0029 0.003 LINE-1537 0.9443 1.0006 0.9472 1.0029 0.003 HAWTHORN 115 LINE-1710 0.9320 1.0168 0.9360 1.0167 0.004 CCT1710&1730 0.8844 1.0168 0.8916 1.0167 0.007 LINE-1710 0.9205 1.0144 0.9249 1.0141 0.004 CCT1710&1730 0.8680 1.0144 0.8761 1.0141 0.008 MYSTICCT 115 LINE-1280 0.8856 0.9931 0.8834 0.9921 -0.002 OLD TOWN 115 LINE-1710 0.9152 1.0173 0.9198 1.0171 0.005 CCT1710&1730 0.8613 1.0173 0.8696 1.0171 0.008 RDGEFLDB 115 LINE-1565 0.9160 1.0020 0.9160 1.0014 0.000 RKRIV PF 115 LINE-1770 0.9441 1.0010 0.9405 0.9991 -0.004 ROCK RIV 115 LINE-1770 0.9441 1.0010 0.9405 0.9991 -0.004 SHEPAUG 115 LINE-1770 0.9053 1.0071 0.9013 1.0057 -0.004 SHEPAUG 115 CCT_1770&321 0.8983 1.0071 0.8963 1.0057 -0.002 SHEPAUG 69.0 LINE-1770 0.9126 1.0137 0.9086 1.0123 -0.004 SHEPAUG 69.0 CCT_1770&321 0.9056 1.0137 0.9036 1.0123 -0.002 STONY HL 115 LINE-1770 0.9149 1.0066 0.9111 1.0052 -0.004 CANTON 115 LINE-1784 0.9404 0.9958 0.9366 0.9947 -0.004



Table VII-7 Case: midexp Case: csc-midexp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9346 1.0010 0.9556 1.0108 0.021 COMPO 115 CCT1440&1450 0.8436 1.0260 0.9370 1.0245 0.093 COS COB 115 CCT1440&1450 0.6625 1.0273 0.8319 1.0241 0.169 DARIEN 115 CCT1440&1450 0.7290 1.0326 0.8719 1.0301 0.143 S.NORWALK 115 CCT1440&1450 0.7807 1.0289 0.9008 1.0270 0.120 SHEPAUG 115 LINE-1770 0.9410 1.0036 0.9616 1.0133 0.021 SHEPAUG 69.0 LINE-1770 0.9480 1.0102 0.9685 1.0199 0.021 SO.END 115 CCT1440&1450 0.6877 1.0306 0.8464 1.0275 0.159 STONY HL 115 LINE-1770 0.9439 1.0013 0.9492 1.0064 0.005 TOMAC 115 CCT1440&1450 0.6747 1.0285 0.8387 1.0253 0.164 WATERSDE 115 CCT1440&1450 0.6600 1.0319 0.8323 1.0286 0.172

Table VII-8 Case: mdexp-1 Case: csc-mdexp-1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9522 1.0065 0.9555 1.0108 0.003 COS COB 115 CCT1440&1450 0.8319 1.0240 0.8319 1.0241 0.000 DARIEN 115 CCT1440&1450 0.8719 1.0298 0.8719 1.0301 0.000 S.NORWAK 115 CCT1440&1450 0.9008 1.0267 0.9008 1.0270 0.000 SHEPAUG 115 LINE-1770 0.9583 1.0090 0.9616 1.0133 0.003 SHEPAUG 69.0 LINE-1770 0.9652 1.0156 0.9685 1.0199 0.003 SO.END 115 CCT1440&1450 0.8464 1.0274 0.8464 1.0275 0.000 TOMAC 115 CCT1440&1450 0.8387 1.0252 0.8387 1.0253 0.000 WATERSDE 115 CCT1440&1450 0.8323 1.0285 0.8323 1.0286 0.000

Table VII-9 Case: mdexp-4 Case: csc-mdexp-4 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9525 1.0064 0.9533 1.0102 0.001 COS COB 115 CCT1440&1450 0.8319 1.0241 0.8319 1.0242 0.000 DARIEN 115 CCT1440&1450 0.8719 1.0301 0.8719 1.0303 0.000 S.NORWAK 115 CCT1440&1450 0.9008 1.0270 0.9008 1.0272 0.000 SHEPAUG 115 LINE-1770 0.9586 1.0090 0.9593 1.0127 0.001 SHEPAUG 69.0 LINE-1770 0.9655 1.0156 0.9662 1.0193 0.001 SO.END 115 CCT1440&1450 0.8464 1.0275 0.8464 1.0276 0.000 TOMAC 115 CCT1440&1450 0.8387 1.0253 0.8387 1.0254 0.000 WATERSDE 115 CCT1440&1450 0.8323 1.0286 0.8323 1.0287 0.000



Table VII-10 Case: midimp Case: csc-midimp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9374 1.0018 0.9411 1.0062 0.004 COMPO 115 CCT1440&1450 0.8557 1.0260 0.9388 1.0261 0.083 COS COB 115 CCT1440&1450 0.6854 1.0273 0.8347 1.0276 0.149 DARIEN 115 CCT1440&1450 0.7481 1.0326 0.8744 1.0328 0.126 S.NORWAK 115 CCT1440&1450 0.7965 1.0290 0.9030 1.0291 0.107 SHEPAUG 115 LINE-1770 0.9436 1.0044 0.9473 1.0087 0.004 SHEPAUG 69.0 LINE-1770 0.9506 1.0111 0.9542 1.0153 0.004 SO.END 115 CCT1440&1450 0.7092 1.0307 0.8491 1.0309 0.140 STONY HL 115 LINE-1770 0.9465 1.0021 0.9501 1.0064 0.004 TOMAC 115 CCT1440&1450 0.6969 1.0285 0.8415 1.0287 0.145 WATERSDE 115 CCT1440&1450 0.6833 1.0319 0.8352 1.0321 0.152

Table VII-11 Case: mdimp-1 Case: csc-mdimp-1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9346 1.0010 0.9400 1.0062 0.005 COMPO 115 CCT1440&1450 0.8436 1.0260 0.9388 1.0261 0.095 COS COB 115 CCT1440&1450 0.6625 1.0273 0.8347 1.0276 0.172 DARIEN 115 CCT1440&1450 0.7290 1.0326 0.8744 1.0328 0.145 S.NORWAK 115 CCT1440&1450 0.7807 1.0289 0.9030 1.0290 0.122 SHEPAUG 115 LINE-1770 0.9410 1.0036 0.9463 1.0088 0.005 SHEPAUG 69.0 LINE-1770 0.9480 1.0102 0.9532 1.0154 0.005 SO.END 115 CCT1440&1450 0.6877 1.0306 0.8491 1.0309 0.161 STONY HL 115 LINE-1770 0.9439 1.0013 0.9492 1.0064 0.005 TOMAC 115 CCT1440&1450 0.6747 1.0285 0.8415 1.0287 0.167 WATERSDE 115 CCT1440&1450 0.6600 1.0319 0.8352 1.0321 0.175

Table VII-12 Case: nyne7pkimp Case: csc-nyne7pkimp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9709 1.0285 0.9723 1.0292 0.001 ALLINGSB 115 LINE-8904B 0.9703 1.0285 0.9716 1.0292 0.001 BATES RK 115 LINE-1770 0.8920 1.0001 0.8916 1.0018 0.000 LIN1887-1662 0.9024 1.0001 0.9050 1.0018 0.003 CCT_1770&321 0.9079 0.9952 0.9093 0.9970 0.001 CCT_1770&321 0.8866 1.0001 0.8880 1.0018 0.001 BULLS BR 115 LINE-1770 0.9401 0.9963 0.9397 0.9974 0.000 CANTON 115 LINE-1784 0.9369 0.9953 0.9366 0.9952 0.000 GREEN HL 115 LINE-1508 0.9491 1.0023 0.9502 1.0037 0.001 LINE-1537 0.9493 1.0023 0.9504 1.0037 0.001 HAWTHORN 115 LINE-1710 0.9349 1.0166 0.9372 1.0167 0.002 CCT1710&1730 0.8899 1.0166 0.8922 1.0167 0.002 HAWTREAC 115 LINE-1710 0.9237 1.0143 0.9262 1.0142 0.003 CCT1710&1730 0.8742 1.0143 0.8767 1.0142 0.003 MYSTICCT 115 LINE-1280 0.8876 0.9963 0.8876 0.9960 0.000 OLD TOWN 115 LINE1710 0.9185 1.0172 0.9211 1.0171 0.003 CCT1710&1730 0.8677 1.0172 0.8702 1.0171 0.002 RDGEFLDB 115 LINE-1565 0.9163 0.9998 0.9162 1.0012 0.000 RKRIV PF 115 LINE-1770 0.9418 0.9979 0.9414 0.9990 0.000 ROCK RIV 115 LINE-1770 0.9418 0.9979 0.9414 0.9990 0.000 SHEPAUG 115 LINE-1770 0.9032 1.0038 0.9028 1.0055 0.000 CCT_1770&321 0.8979 1.0038 0.8993 1.0055 0.001 SHEPAUG 69.0 LINE-1770 0.9105 1.0104 0.9101 1.0122 0.000 CCT_1770&321 0.9052 1.0104 0.9066 1.0122 0.001



STONY HL 115 LINE-1770 0.9128 1.0033 0.9124 1.0050 0.000 STONY HL 115 CCT_1770&321 0.9077 1.0033 0.9090 1.0050 0.001

Table VII-13 Case: nyne7pkimp-1 Case: csc-nyne7pkimp-1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.8918 1.0012 0.8925 1.0034 0.001 LIN1887-1662 0.9026 1.0012 0.9058 1.0034 0.003 BATES RK 115 CCT_1770&321 0.8846 1.0012 0.8877 1.0034 0.003 BULLS BR 115 LINE-1770 0.9404 0.9976 0.9410 0.9993 0.001 CANTON 115 LINE-1784 0.9377 0.9959 0.9385 0.9963 0.001 CTRI1870 115 LINE-1280 0.8982 0.9938 0.8983 0.9933 0.000 GREEN HL 115 LINE-1508 0.9461 1.0015 0.9481 1.0034 0.002 LINE-1537 0.9464 1.0015 0.9483 1.0034 0.002 HAWTHORN 115 LINE-1710 0.9315 1.0167 0.9333 1.0168 0.002 CCT1710&1730 0.8833 1.0167 0.8860 1.0168 0.003 HAWTREAC 115 LINE-1710 0.9200 1.0144 0.9220 1.0142 0.002 CCT1710&1730 0.8667 1.0144 0.8698 1.0142 0.003 MYSTICCT 115 LINE-1280 0.8854 0.9953 0.8854 0.9947 0.000 OLD TOWN 115 LINE-1710 0.9147 1.0172 0.9167 1.0172 0.002 OLD TOWN 115 CCT1710&1730 0.8599 1.0172 0.8631 1.0172 0.003 RDGEFLDB 115 LINE-1565 0.9161 1.0005 0.9160 1.0021 0.000 RKRIV PF 115 LINE-1770 0.9422 0.9992 0.9428 1.0009 0.001 ROCK RIV 115 LINE-1770 0.9422 0.9992 0.9428 1.0009 0.001 SHEPAUG 115 LINE-1770 0.9032 1.0049 0.9038 1.0071 0.001 CCT_1770&321 0.8962 1.0049 0.8992 1.0071 0.003 SHEPAUG 69.0 LINE-1770 0.9104 1.0115 0.9111 1.0137 0.001 CCT_1770&321 0.9035 1.0115 0.9065 1.0137 0.003 STONY HL 115 LINE-1770 0.9129 1.0044 0.9135 1.0066 0.001 CCT_1770&321 0.9061 1.0044 0.9090 1.0066 0.003

Table VII-14 Case: nyne7pkex Case: csc-nyne7pkex Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.8961 1.0054 0.8974 1.0032 0.001 CCT_1770&321 0.8944 1.0054 0.8954 1.0032 0.001 BULLS BR 115 LINE-1770 0.9437 1.0004 0.9448 0.9995 0.001 CTRI1870 115 LINE-1280 0.8968 0.9805 0.8970 0.9820 0.000 GREEN HL 115 LINE-1508 0.9468 1.0016 0.9473 1.0018 0.001 LINE-1537 0.9470 1.0016 0.9475 1.0018 0.001 HAWTHORN 115 LINE-1710 0.9416 1.0175 0.9424 1.0174 0.001 CCT1710&1730 0.9053 1.0175 0.9041 1.0174 -0.001 HAWTREAC 115 LINE-1710 0.9310 1.0146 0.9319 1.0148 0.001 CCT1710&1730 0.8912 1.0146 0.8899 1.0148 -0.001 MYSTICCT 115 LINE-1280 0.8839 0.9832 0.8841 0.9845 0.000 OLD TOWN 115 LINE-1710 0.9260 1.0175 0.9270 1.0176 0.001 CCT1710&1730 0.8851 1.0175 0.8838 1.0176 -0.001 RDGEFLDB 115 LINE-1565 0.9169 1.0039 0.9169 1.0025 0.000 LINE-1775 0.9498 1.0000 0.9503 1.0005 0.001 RKRIV PF 115 LINE-1770 0.9454 1.0020 0.9466 1.0011 0.001 ROCK RIV 115 LINE-1770 0.9454 1.0020 0.9466 1.0011 0.001 SHEPAUG 115 LINE-1770 0.9072 1.0091 0.9085 1.0069 0.001 SHEPAUG 69.0 LINE-1770 0.9145 1.0157 0.9157 1.0135 0.001 STONY HL 115 LINE-1770 0.9167 1.0086 0.9180 1.0064 0.001 W.BRKFLD 115 LINE-1770 0.9263 1.0041 0.9275 1.0024 0.001



Table VII-15 Case: nyne7pkex-1 Case: csc-nyne7pkex-1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.8961 1.0055 0.8974 1.0032 0.001 CCT_1770&321 0.8944 1.0055 0.8954 1.0032 0.001 BULLS BR 115 LINE-1770 0.9437 1.0004 0.9448 0.9995 0.001 CTRI1870 115 LINE-1280 0.8968 0.9815 0.8971 0.9828 0.000 GREEN HL 115 LINE-1508 0.9465 1.0016 0.9470 1.0018 0.000 LINE-1537 0.9467 1.0016 0.9472 1.0018 0.001 HAWTHORN 115 LINE-1710 0.9416 1.0175 0.9424 1.0174 0.001 CCT1710&1730 0.9053 1.0175 0.9042 1.0174 -0.001 HAWTREAC 115 LINE-1710 0.9310 1.0146 0.9319 1.0148 0.001 CCT1710&1730 0.8912 1.0146 0.8899 1.0148 -0.001 MYSTICCT 115 LINE-1280 0.8839 0.9839 0.8842 0.9850 0.000 OLD TOWN 115 LINE-1710 0.9260 1.0175 0.9270 1.0176 0.001 CCT1710&1730 0.8851 1.0175 0.8838 1.0176 -0.001 RDGEFLDB 115 LINE-1565 0.9169 1.0040 0.9169 1.0025 0.000 RKRIV PF 115 LINE-1770 0.9454 1.0020 0.9465 1.0011 0.001 ROCK RIV 115 LINE-1770 0.9454 1.0020 0.9465 1.0011 0.001 SHEPAUG 115 LINE-1770 0.9072 1.0092 0.9084 1.0069 0.001 CCT_1770&321 0.9055 1.0092 0.9065 1.0069 0.001 SHEPAUG 69.0 LINE-1770 0.9144 1.0158 0.9157 1.0135 0.001 CCT_1770&321 0.9128 1.0158 0.9138 1.0135 0.001 STONY HL 115 LINE-1770 0.9167 1.0086 0.9179 1.0064 0.001 W.BRKFLD 115 LINE-1770 0.9262 1.0042 0.9274 1.0024 0.001

Table VII-16 Case: neny7pkimp Case: csc-neny7pkimp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.8948 1.0005 0.8959 1.0026 0.001 CCT_1770&321 0.8909 1.0005 0.8933 1.0026 0.002 BULLS BR 115 LINE-1770 0.9425 0.9969 0.9435 0.9986 0.001 CANTON 115 LINE-1784 0.9412 0.9940 0.9418 0.9946 0.001 CTRI1870 115 LINE-1280 0.8933 0.9920 0.8933 0.9916 0.000 GREEN HL 115 LINE-1508 0.9424 0.9998 0.9441 1.0017 0.002 LINE-1537 0.9426 0.9998 0.9443 1.0017 0.002 HAWTHORN 115 LINE-1710 0.9348 1.0168 0.9363 1.0168 0.002 CCT1710&1730 0.8921 1.0168 0.8943 1.0168 0.002 HAWTREAC 115 LINE-1710 0.9235 1.0140 0.9252 1.0139 0.002 CCT1710&1730 0.8766 1.0140 0.8791 1.0139 0.002 MYSTICCT 115 LINE-1280 0.8803 0.9955 0.8804 0.9950 0.000 OLD TOWN 115 LINE-1710 0.9183 1.0170 0.9200 1.0169 0.002 CCT1710&1730 0.8701 1.0170 0.8726 1.0169 0.003 RDGEFLDB 115 LINE-1565 0.9162 1.0006 0.9161 1.0019 0.000 RKRIV PF 115 LINE-1770 0.9443 0.9986 0.9453 1.0003 0.001 ROCK RIV 115 LINE-1770 0.9443 0.9986 0.9453 1.0002 0.001 SHEPAUG 115 LINE-1770 0.9059 1.0042 0.9071 1.0063 0.001 CCT_1770&321 0.9022 1.0042 0.9045 1.0063 0.002 SHEPAUG 69.0 LINE-1770 0.9132 1.0109 0.9143 1.0129 0.001 CCT_1770&321 0.9095 1.0109 0.9117 1.0129 0.002 STONY HL 115 LINE-1770 0.9155 1.0037 0.9166 1.0058 0.001 W.BRKFLD 115 LINE-1770 0.9251 0.9999 0.9261 1.0018 0.001



Table VII-17 Case: neny7pkimp-1 Case: csc-neny7pkimp-1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.8898 0.9994 0.8927 1.0022 0.003 CCT_1770&321 0.8843 0.9994 0.8893 1.0022 0.005 BULLS BR 115 LINE-1770 0.9387 0.9956 0.9412 0.9982 0.003 CANTON 115 LINE-1784 0.9376 0.9926 0.9397 0.9939 0.002 CTRI1870 115 LINE-1280 0.8931 0.9916 0.8924 0.9909 -0.001 GREEN HL 115 LINE-1508 0.9395 0.9990 0.9422 1.0013 0.003 LINE-1537 0.9397 0.9990 0.9425 1.0013 0.003 HAWTHORN 115 LINE-1710 0.9341 1.0167 0.9360 1.0168 0.002 CCT1710&1730 0.8900 1.0167 0.8935 1.0168 0.003 HAWTREAC 115 LINE-1710 0.9228 1.0139 0.9248 1.0138 0.002 CCT1710&1730 0.8742 1.0139 0.8782 1.0138 0.004 MYSTICCT 115 LINE-1280 0.8801 0.9954 0.8793 0.9945 -0.001 OLD TOWN 115 LINE-1710 0.9176 1.0169 0.9197 1.0169 0.002 CCT1710&1730 0.8676 1.0169 0.8717 1.0169 0.004 RDGEFLDB 115 LINE-1565 0.9161 1.0000 0.9159 1.0017 0.000 RKRIV PF 115 LINE-1770 0.9404 0.9972 0.9429 0.9998 0.002 ROCK RIV 115 LINE-1770 0.9404 0.9972 0.9429 0.9998 0.002 SHEPAUG 115 LINE-1770 0.9012 1.0031 0.9040 1.0060 0.003 CCT_1770&321 0.8959 1.0031 0.9007 1.0060 0.005 SHEPAUG 69.0 LINE-1770 0.9085 1.0097 0.9112 1.0126 0.003 CCT_1770&321 0.9033 1.0097 0.9080 1.0126 0.005 STONY HL 115 LINE-1770 0.9110 1.0026 0.9137 1.0054 0.003 TRIANGLE 115 CCT_1618&321 0.9468 1.0042 0.9523 1.0071 0.006 W.BRKFLD 115 LINE-1770 0.9208 0.9986 0.9234 1.0014 0.003

Table VII-18 Case: neny7pkex Case: csc-neny7pkex Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9709 1.0290 0.9713 1.0291 0.000 ALLINGSB 115 LINE-8904B 0.9702 1.0290 0.9706 1.0291 0.000 BATES RK 115 LINE-1770 0.8951 1.0019 0.8982 1.0033 0.003 LIN1887-1662 0.9064 1.0019 0.9074 1.0033 0.001 CCT_1770&321 0.8941 1.0019 0.8968 1.0033 0.003 BULLS BR 115 LINE-1770 0.9428 0.9973 0.9456 0.9992 0.003 CANTON 115 LINE-1784 0.9392 0.9936 0.9412 0.9943 0.002 GREEN HL 115 LINE-1508 0.9492 1.0023 0.9496 1.0023 0.000 LINE-1537 0.9494 1.0023 0.9498 1.0023 0.000 HAWTHORN 115 LINE-1710 0.9378 1.0171 0.9398 1.0173 0.002 CCT1710&1730 0.9004 1.0171 0.9033 1.0173 0.003 HAWTREAC 115 LINE-1710 0.9268 1.0139 0.9289 1.0143 0.002 CCT1710&1730 0.8857 1.0139 0.8890 1.0143 0.003 MYSTICCT 115 LINE-1280 0.8872 0.9901 0.8883 0.9912 0.001 OLD TOWN 115 LINE-1710 0.9217 1.0169 0.9239 1.0172 0.002 CCT1710&1730 0.8795 1.0169 0.8828 1.0172 0.003 RDGEFLDB 115 LINE-1565 0.9167 1.0014 0.9168 1.0024 0.000 RIVDRHIA 115 LINE-1775 0.9522 1.0023 0.9526 1.0026 0.000 RKRIV PF 115 LINE-1770 0.9445 0.9989 0.9473 1.0009 0.003 ROCK RIV 115 LINE-1770 0.9445 0.9989 0.9473 1.0009 0.003 SHEPAUG 115 LINE-1770 0.9063 1.0057 0.9093 1.0070 0.003 CCT_1770&321 0.9052 1.0057 0.9079 1.0070 0.003 SHEPAUG 69.0 LINE-1770 0.9135 1.0123 0.9165 1.0136 0.003 CCT_1770&321 0.9125 1.0123 0.9151 1.0136 0.003 STONY HL 115 LINE-1770 0.9158 1.0051 0.9187 1.0065 0.003 STONY HL 115 CCT_1770&321 0.9148 1.0051 0.9174 1.0065 0.003 W.BRKFLD 115 LINE-1770 0.9253 1.0010 0.9282 1.0025 0.003



Table VII-19 Case: neny7pkex-1 Case: csc-neny7pkex-1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9709 1.0290 0.9713 1.0291 0.000 ALLINGSB 115 LINE-8904B 0.9702 1.0290 0.9706 1.0291 0.000 BATES RK 115 LINE-1770 0.8951 1.0020 0.8982 1.0033 0.003 CCT_1770&321 0.8941 1.0020 0.8968 1.0033 0.003 BULLS BR 115 LINE-1770 0.9428 0.9974 0.9455 0.9993 0.003 CANTON 115 LINE-1784 0.9391 0.9938 0.9411 0.9945 0.002 CTRI1870 115 LINE-1280 0.9008 0.9892 0.9011 0.9903 0.000 GREEN HL 115 LINE-1508 0.9485 1.0023 0.9490 1.0023 0.000 LINE-1537 0.9487 1.0023 0.9491 1.0023 0.000 HAWTHORN 115 LINE-1710 0.9379 1.0171 0.9398 1.0173 0.002 CCT1710&1730 0.9006 1.0171 0.9034 1.0173 0.003 HAWTREAC 115 LINE-1710 0.9269 1.0139 0.9289 1.0143 0.002 CCT1710&1730 0.8860 1.0139 0.8890 1.0143 0.003 MYSTICCT 115 LINE-1280 0.8880 0.9902 0.8883 0.9912 0.000 OLD TOWN 115 LINE-1710 0.9218 1.0169 0.9239 1.0172 0.002 CCT1710&1730 0.8798 1.0169 0.8829 1.0172 0.003 PLUMTREE 345 LMTN_6T-8T 0.9501 1.0089 0.9595 1.0150 0.009 RDGEFLDB 115 LINE-1565 0.9168 1.0014 0.9168 1.0025 0.000 LINE-1775 0.9520 1.0023 0.9524 1.0026 0.000 RKRIV PF 115 LINE-1770 0.9445 0.9990 0.9473 1.0009 0.003 ROCK RIV 115 LINE-1770 0.9445 0.9990 0.9473 1.0009 0.003 SHEPAUG 115 LINE-1770 0.9062 1.0058 0.9093 1.0071 0.003 CCT_1770&321 0.9052 1.0058 0.9079 1.0071 0.003 SHEPAUG 69.0 LINE-1770 0.9135 1.0124 0.9165 1.0137 0.003 CCT_1770&321 0.9125 1.0124 0.9151 1.0137 0.003 STONY HL 115 LINE-1770 0.9157 1.0052 0.9187 1.0065 0.003 W.BRKFLD 115 LINE-1770 0.9253 1.0011 0.9282 1.0026 0.003

Table VII-20 Case: peakexp-m1 Case: csc-peakexp-m1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9710 1.0290 0.9713 1.0291 0.000 ALLINGSB 115 LINE-8904B 0.9704 1.0290 0.9707 1.0291 0.000 BATES RK 115 LINE-1770 0.8978 1.0036 0.8959 1.0058 -0.002 CCT_1770&321 0.8966 1.0036 0.8941 1.0058 -0.002 BULLS BR 115 LINE-1770 0.9451 0.9994 0.9435 1.0006 -0.002 CANTON 115 LINE-1784 0.9407 0.9933 0.9397 0.9928 -0.001 CTRI1870 115 LINE-1280 0.8988 0.9857 0.8991 0.9871 0.000 GREEN HL 115 LINE-1508 0.9475 1.0019 0.9478 1.0020 0.000 LINE-1537 0.9477 1.0019 0.9480 1.0020 0.000 HAWTHORN 115 LINE-1710 0.9435 1.0173 0.9429 1.0176 -0.001 CCT1710&1730 0.9099 1.0173 0.9059 1.0176 -0.004 HAWTREAC 115 LINE-1710 0.9331 1.0142 0.9324 1.0146 -0.001 CCT1710&1730 0.8963 1.0142 0.8919 1.0146 -0.004 MYSTICCT 115 LINE-1280 0.8860 0.9882 0.8862 0.9895 0.000 OLD TOWN 115 LINE-1710 0.9282 1.0172 0.9275 1.0175 -0.001 CCT1710&1730 0.8904 1.0172 0.8858 1.0175 -0.005 RDGEFLDB 115 LINE-1565 0.9168 1.0025 0.9169 1.0042 0.000 LINE-1775 0.9506 1.0008 0.9509 1.0011 0.000 RKRIV PF 115 LINE-1770 0.9469 1.0011 0.9452 1.0022 -0.002 ROCK RIV 115 LINE-1770 0.9469 1.0011 0.9452 1.0022 -0.002 SHEPAUG 115 LINE-1770 0.9088 1.0073 0.9070 1.0095 -0.002 CCT_1770&321 0.9077 1.0073 0.9052 1.0095 -0.002 SHEPAUG 69.0 LINE-1770 0.9161 1.0139 0.9142 1.0161 -0.002 STONY HL 115 LINE-1770 0.9183 1.0067 0.9165 1.0090 -0.002 W.BRKFLD 115 LINE-1770 0.9278 1.0027 0.9261 1.0045 -0.002



Table VII-21 Case: pkex-1-m1 Case: csc-pkex-1-m1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9710 1.0290 0.9713 1.0291 0.000 BATES RK 115 LINE-1770 0.8977 1.0036 0.8958 1.0059 -0.002 CCT_1770&321 0.8966 1.0036 0.8940 1.0059 -0.003 BULLS BR 115 LINE-1770 0.9451 0.9995 0.9434 1.0006 -0.002 CANTON 115 LINE-1784 0.9406 0.9934 0.9396 0.9929 -0.001 CTRI1870 115 LINE-1280 0.8981 0.9859 0.8991 0.9872 0.001 GREEN HL 115 LINE-1508 0.9470 1.0019 0.9474 1.0020 0.000 LINE-1537 0.9472 1.0019 0.9476 1.0020 0.000 HAWTHORN 115 LINE-1710 0.9436 1.0173 0.9429 1.0176 -0.001 CCT1710&1730 0.9100 1.0173 0.9060 1.0176 -0.004 HAWTREAC 115 LINE-1710 0.9331 1.0142 0.9324 1.0146 -0.001 CCT1710&1730 0.8964 1.0142 0.8919 1.0146 -0.004 MYSTICCT 115 LINE-1280 0.8852 0.9880 0.8863 0.9892 0.001 OLD TOWN 115 LINE-1710 0.9282 1.0172 0.9275 1.0175 -0.001 CCT1710&1730 0.8905 1.0172 0.8858 1.0175 -0.005 RDGEFLDB 115 LINE-1565 0.9168 1.0025 0.9169 1.0043 0.000 LINE-1775 0.9507 1.0007 0.9507 1.0009 0.000 RKRIV PF 115 LINE-1770 0.9468 1.0011 0.9452 1.0022 -0.002 ROCK RIV 115 LINE-1770 0.9468 1.0011 0.9452 1.0022 -0.002 SHEPAUG 115 LINE-1770 0.9088 1.0073 0.9069 1.0096 -0.002 CCT_1770&321 0.9077 1.0073 0.9052 1.0096 -0.002 SHEPAUG 69.0 LINE-1770 0.9160 1.0139 0.9142 1.0162 -0.002 STONY HL 115 LINE-1770 0.9182 1.0068 0.9164 1.0090 -0.002 W.BRKFLD 115 LINE-1770 0.9277 1.0028 0.9260 1.0045 -0.002

Table VII-22 Case: midexp-m1 Case: csc-midexp-m1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9527 1.0064 0.9553 1.011 0.003 COS COB 115 CCT1440&1450 0.8319 1.0240 0.8319 1.024 0.000 DARIEN 115 CCT1440&1450 0.8719 1.0299 0.8719 1.03 0.000 S.NORWAK 115 CCT1440&1450 0.9008 1.0267 0.9008 1.027 0.000 SHEPAUG 115 LINE-1770 0.9587 1.0089 0.9614 1.013 0.003 SO.END 115 CCT1440&1450 0.8464 1.0274 0.8464 1.028 0.000 TOMAC 115 CCT1440&1450 0.8387 1.0252 0.8387 1.025 0.000 WATERSDE 115 CCT1440&1450 0.8323 1.0285 0.8323 1.029 0.000

Table VII-23 Case: midexp-1-m1 Case: csc-midexp-1-m1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9527 1.0064 0.9553 1.0107 0.003 COS COB 115 CCT1440&1450 0.8319 1.0240 0.8319 1.0241 0.000 DARIEN 115 CCT1440&1450 0.8719 1.0298 0.8719 1.0301 0.000 S.NORWAK 115 CCT1440&1450 0.9008 1.0267 0.9008 1.027 0.000 SHEPAUG 115 LINE-1770 0.9587 1.0090 0.9613 1.0132 0.003 SO.END 115 CCT1440&1450 0.8464 1.0274 0.8464 1.0275 0.000 TOMAC 115 CCT1440&1450 0.8387 1.0252 0.8387 1.0253 0.000 WATERSDE 115 CCT1440&1450 0.8323 1.0285 0.8323 1.0286 0.000



Table VII-24 Case: neny7pkimp-2 Case: csc-neny7pkimp-2 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.8996 1.0034 0.8979 1.0015 -0.002 BULLS BR 115 LINE-1770 0.9468 0.9988 0.9453 0.9971 -0.001 CANTON 115 LINE-1784 0.9415 0.9937 0.9405 0.9930 -0.001 CTRI1870 115 LINE-1280 0.8960 0.9871 0.8958 0.9869 0.000 GREEN HL 115 LINE-1508 0.9439 0.9976 0.9440 0.9964 0.000 LINE-1537 0.9440 0.9976 0.9441 0.9964 0.000 HAWTHORN 115 LINE-1710 0.9393 1.0169 0.9354 1.0168 -0.004 CCT1710&1730 0.9024 1.0169 0.8946 1.0168 -0.008 HAWTREAC 115 LINE-1710 0.9284 1.0137 0.9242 1.0137 -0.004 CCT1710&1730 0.8880 1.0137 0.8794 1.0137 -0.009 MYSTICCT 115 LINE-1280 0.8832 0.9892 0.8831 0.9889 0.000 OLD TOWN 115 LINE-1710 0.9234 1.0168 0.9190 1.0168 -0.004 CCT1710&1730 0.8818 1.0168 0.8730 1.0168 -0.009 RDGEFLDB 115 LINE-1565 0.9160 1.0027 0.9160 1.0015 0.000 RKRIV PF 115 LINE-1770 0.9485 1.0004 0.9470 0.9987 -0.002 ROCK RIV 115 LINE-1770 0.9485 1.0004 0.9470 0.9987 -0.002 SHEPAUG 115 LINE-1770 0.9106 1.0072 0.9090 1.0052 -0.002 SHEPAUG 69.0 LINE-1770 0.9178 1.0138 0.9162 1.0118 -0.002 STONY HL 115 LINE-1770 0.9200 1.0066 0.9184 1.0047 -0.002 W.BRKFLD 115 LINE-1770 0.9295 1.0025 0.9279 1.0007 -0.002 WALLFRDJ 115 LINE-1630N 0.9539 1.0203 0.9534 1.0195 0.000 WALLPF 115 LINE-1630N 0.9539 1.0190 0.9534 1.0183 0.000 WLNGF PF 115 LINE-1630N 0.9539 1.0190 0.9534 1.0183 0.000

Table VII-25 Case: neny7pkimp-3 Case: csc-neny7pkimp-3 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9001 1.0051 0.9023 1.0052 0.002 CCT_1770&321 0.9045 1.0051 0.9052 1.0052 0.001 BULLS BR 115 LINE-1770 0.9474 1.0004 0.9485 1.0003 0.001 CANTON 115 LINE-1784 0.9412 0.9927 0.9411 0.9921 0.000 LINE-1355 0.9424 0.9952 0.9411 0.9945 -0.001 CTRI1870 115 LINE-1280 0.8922 0.9907 0.8922 0.9907 0.000 GREEN HL 115 LINE-1508 0.9414 0.9943 0.9415 0.9947 0.000 LINE-1537 0.9415 0.9943 0.9416 0.9947 0.000 HAWTHORN 115 LINE-1710 0.9371 1.0172 0.9386 1.0171 0.001 CCT1710&1730 0.8961 1.0172 0.8960 1.0171 0.000 HAWTREAC 115 LINE-1710 0.9261 1.0144 0.9278 1.0144 0.002 CCT1710&1730 0.8811 1.0144 0.8810 1.0144 0.000 MYSTICCT 115 LINE-1280 0.8792 0.9943 0.8792 0.9943 0.000 LINE-1355 0.9431 0.9935 0.9418 0.9928 -0.001 OLD TOWN 115 LINE-1710 0.9209 1.0173 0.9227 1.0173 0.002 CCT1710&1730 0.8747 1.0173 0.8746 1.0173 0.000 RDGEFLDB 115 LINE-1565 0.9163 1.0036 0.9161 1.0036 0.000 RKRIV PF 115 LINE-1770 0.9492 1.0020 0.9502 1.0019 0.001 ROCK RIV 115 LINE-1770 0.9492 1.0020 0.9502 1.0019 0.001 SHEPAUG 115 LINE-1770 0.9111 1.0088 0.9131 1.0089 0.002 SHEPAUG 69.0 LINE-1770 0.9184 1.0154 0.9203 1.0155 0.002 STONY HL 115 LINE-1770 0.9206 1.0082 0.9223 1.0084 0.002 W.BRKFLD 115 LINE-1770 0.9301 1.0041 0.9316 1.0042 0.001 WALLFRDJ 115 LINE-1630N 0.9524 1.0188 0.9524 1.0192 0.000 WALLPF 115 LINE-1630N 0.9524 1.0177 0.9524 1.0181 0.000 WLNGF PF 115 LINE-1630N 0.9524 1.0177 0.9524 1.0181 0.000



Table VII-26 Case: neny7pkimp-4 Case: csc-neny7pkimp-4 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9771 1.0315 0.9789 1.0331 0.002 ALLINGSB 115 LINE-8904B 0.9764 1.0315 0.9782 1.0331 0.002 BATES RK 115 LINE-1770 0.8985 1.0061 0.8988 1.0034 0.000 LIN1887-1662 0.9121 1.0061 0.9082 1.0034 -0.004 CCT_1770&321 0.9196 1.0013 0.9247 0.9986 0.005 CCT_1770&321 0.8989 1.0061 0.9045 1.0034 0.006 BULLS BR 115 LINE-1770 0.9458 1.0006 0.9461 0.9989 0.000 CANTON 115 LINE-1784 0.9401 0.9930 0.9401 0.9928 0.000 COLONY 115 LINE-1280 0.9491 0.9993 N/A GREEN HL 115 LINE-1508 0.9445 1.0025 0.9451 1.0031 0.001 LINE-1537 0.9445 1.0025 0.9451 1.0031 0.001 HAWTHORN 115 LINE-1710 0.9369 1.0171 0.9364 1.0169 0.000 CCT1710&1730 0.8976 1.0171 0.8951 1.0169 -0.002 HAWTREAC 115 LINE-1710 0.9258 1.0141 0.9252 1.0140 -0.001 CCT1710&1730 0.8827 1.0141 0.8800 1.0140 -0.003 LUCHJB 115 CCT1355&1610 0.9496 1.0025 0.9488 1.0029 -0.001 MYSTICCT 115 LINE-1280 0.8798 0.9956 0.8798 0.9951 0.000 NOERA 115 LIN1950-1551 0.9458 1.0095 0.9460 1.0097 0.000 LIN1910-1163 0.9452 1.0088 0.9454 1.0090 0.000 OLD TOWN 115 LINE-1710 0.9207 1.0171 0.9201 1.0171 -0.001 CCT1710&1730 0.8764 1.0171 0.8736 1.0171 -0.003 RDGEFLDB 115 LINE-1565 0.9161 1.0044 0.9160 1.0026 0.000 RKRIV PF 115 LINE-1770 0.9475 1.0022 0.9478 1.0005 0.000 ROCK RIV 115 LINE-1770 0.9475 1.0022 0.9478 1.0005 0.000 SHEPAUG 115 LINE-1770 0.9096 1.0098 0.9098 1.0072 0.000 SHEPAUG 69.0 LINE-1770 0.9168 1.0164 0.9170 1.0138 0.000 STONY HL 115 LINE-1770 0.9190 1.0093 0.9192 1.0066 0.000 W.BRKFLD 115 LINE-1770 0.9285 1.0048 0.9287 1.0025 0.000

Table VII-27 Case: neny7pkimp-5 Case: csc-neny7pkimp-5 Without Project With Project Name Contingency VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9724 1.0292 0.9788 1.0324 0.006 ALLINGSB 115 LINE-8904B 0.9728 1.0292 0.9782 1.0324 0.006 BATES RK 115 LINE-1770 0.8934 1.0043 0.8999 1.0039 0.007 CCT_1770&321 0.9136 1.0043 0.8997 1.0039 0.007 BULLS BR 115 LINE-1770 0.9413 0.9990 0.9470 0.9997 0.006 CANTON 115 LINE-1784 0.9381 0.9924 0.9413 0.9935 0.003 GREEN HL 115 LINE-1508 0.9419 0.9980 0.9436 1.0005 0.002 LINE-1537 0.9419 0.9980 0.9436 1.0005 0.002 HAWTHORN 115 LINE-1710 0.9355 1.0169 0.9366 1.0170 0.001 CCT1710&1730 0.8951 1.0169 0.8956 1.0170 0.000 HAWTREAC 115 LINE-1710 0.9243 1.0138 0.9255 1.0140 0.001 CCT1710&1730 0.8799 1.0138 0.8805 1.0140 0.001 MYSTICCT 115 LINE-1280 0.8798 0.9959 0.8799 0.9946 0.000 OLD TOWN 115 LINE-1710 0.9191 1.0169 0.9203 1.0171 0.001 CCT1710&1730 0.8735 1.0169 0.8741 1.0171 0.001 RDGEFLDB 115 LINE-1565 0.9161 1.0032 0.9161 1.0028 0.000 RKRIV PF 115 LINE-1770 0.9430 1.0006 0.9488 1.0013 0.006 ROCK RIV 115 LINE-1770 0.9430 1.0006 0.9488 1.0013 0.006 SHEPAUG 115 LINE-1770 0.9045 1.0080 0.9109 1.0076 0.006 CCT_1770&321 0.9037 1.0080 0.9107 1.0076 0.007 SHEPAUG 69.0 LINE-1770 0.9118 1.0146 0.9181 1.0142 0.006 CCT_1770&321 0.9110 1.0146 0.9179 1.0142 0.007 STONY HL 115 LINE-1770 0.9141 1.0075 0.9203 1.0071 0.006 W.BRKFLD 115 LINE-1770 0.9237 1.0030 0.9298 1.0030 0.006 WALLFRDJ 115 LINE-1630N 0.9541 1.0211 0.9551 1.0236 0.001 WALLPF 115 LINE-1630N 0.9541 1.0198 0.9551 1.0222 0.001 WLNGF PF 115 LINE-1630N 0.9541 1.0198 0.9551 1.0222 0.001



Table VII-28 Case: neny7pkimp-6 Case: csc-neny7pkimp-6 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.8942 1.0027 0.8998 1.0034 0.006 CCT_1770&321 0.8931 1.0027 0.8995 1.0034 0.006 BULLS BR 115 LINE-1770 0.9420 0.9980 0.9469 0.9992 0.005 CANTON 115 LINE-1784 0.9387 0.9934 0.9412 0.9940 0.003 LINE-1355 0.9450 0.9960 0.9445 0.9961 0.000 CTRI1870 115 LINE-1280 0.8930 0.9878 0.8931 0.9874 0.000 GREEN HL 115 LINE-1508 0.9432 0.9972 0.9437 0.9980 0.000 LINE-1537 0.9432 0.9972 0.9437 0.9980 0.000 HAWTHORN 115 LINE-1710 0.9352 1.0169 0.9365 1.0169 0.001 CCT1710&1730 0.8941 1.0169 0.8949 1.0169 0.001 HAWTREAC 115 LINE-1710 0.9240 1.0140 0.9254 1.0141 0.001 CCT1710&1730 0.8788 1.0140 0.8797 1.0141 0.001 MYSTICCT 115 LINE-1280 0.8800 0.9905 0.8801 0.9900 0.000 OLD TOWN 115 LINE-1710 0.9188 1.0170 0.9202 1.0171 0.001 CCT1710&1730 0.8723 1.0170 0.8733 1.0171 0.001 RDGEFLDB 115 LINE-1565 0.9161 1.0022 0.9161 1.0024 0.000 RKRIV PF 115 LINE-1770 0.9438 0.9996 0.9487 1.0008 0.005 ROCK RIV 115 LINE-1770 0.9438 0.9996 0.9486 1.0008 0.005 SHEPAUG 115 LINE-1770 0.9054 1.0064 0.9108 1.0071 0.005 CCT_1770&321 0.9043 1.0064 0.9105 1.0071 0.006 SHEPAUG 69.0 LINE-1770 0.9126 1.0130 0.9180 1.0137 0.005 CCT_1770&321 0.9116 1.0130 0.9177 1.0137 0.006 STONY HL 115 LINE-1770 0.9149 1.0059 0.9202 1.0065 0.005 W.BRKFLD 115 LINE-1770 0.9245 1.0016 0.9297 1.0025 0.005 WALLFRDJ 115 LINE-1630N 0.9539 1.0208 0.9540 1.0217 0.000 WALLPF 115 LINE-1630N 0.9539 1.0195 0.9540 1.0204 0.000 WLNGF PF 115 LINE-1630N 0.9539 1.0195 0.9540 1.0204 0.000

Table VII-29 Case: neny7pkex-2 Case: csc-neny7pkex-2 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9708 1.0274 0.9715 1.0282 0.001 ALLINGSB 115 LINE-8904B 0.9702 1.0274 0.9708 1.0282 0.001 BATES RK 115 LINE-1770 0.8994 1.0061 0.9001 1.0036 0.001 CCT_1770&321 0.9049 1.0061 0.9056 1.0036 0.001 BLRKHIA 115 CCT1670&1771 0.9170 1.0069 0.9167 1.0070 0.000 BULLS BR 115 LINE-1770 0.9466 1.0004 0.9472 0.9990 0.001 CTRI1870 115 LINE-1280 0.9033 0.9918 0.9013 0.9925 -0.002 GREEN HL 115 LINE-1508 0.9504 1.0018 0.9496 1.0021 -0.001 GREEN HL 115 LINE-1537 0.9504 1.0018 0.9497 1.0021 -0.001 HAWTHORN 115 LINE-1710 0.9457 1.0176 0.9417 1.0174 -0.004 CCT1710&1730 0.9131 1.0176 0.9051 1.0174 -0.008 HAWTREAC 115 LINE-1710 0.9354 1.0146 0.9311 1.0146 -0.004 CCT1710&1730 0.8998 1.0146 0.8910 1.0146 -0.009 MYSTICCT 115 LINE-1280 0.8907 0.9921 0.8885 0.9938 -0.002 OLD TOWN 115 LINE-1710 0.9306 1.0175 0.9261 1.0174 -0.004 CCT1710&1730 0.8940 1.0175 0.8849 1.0174 -0.009 RDGEFLDB 115 LINE-1565 0.9168 1.0046 0.9168 1.0030 0.000 RIVDRHIA 115 LINE-1775 0.9525 1.0025 0.9522 1.0023 0.000 RKRIV PF 115 LINE-1770 0.9483 1.0020 0.9489 1.0006 0.001 ROCK RIV 115 LINE-1770 0.9483 1.0020 0.9489 1.0006 0.001 SHEPAUG 115 LINE-1770 0.9104 1.0098 0.9111 1.0073 0.001 SHEPAUG 69.0 LINE-1770 0.9177 1.0164 0.9183 1.0139 0.001 STONY HL 115 LINE-1770 0.9198 1.0092 0.9205 1.0068 0.001 W.BRKFLD 115 LINE-1770 0.9293 1.0047 0.9299 1.0027 0.001



Table VII-30 Case: neny7pkex-3 Case: csc-neny7pkex-3 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.8982 1.0028 0.8988 1.0041 0.001 BULLS BR 115 LINE-1770 0.9455 0.9976 0.9461 0.9987 0.001 CANTON 115 LINE-1784 0.9392 0.9902 0.9398 0.9907 0.001 CTRI1870 115 LINE-1280 0.9011 0.9907 0.9010 0.9902 0.000 GREEN HL 115 LINE-1508 0.9497 1.0020 0.9496 1.0026 0.000 LINE-1537 0.9497 1.0020 0.9497 1.0026 0.000 HAWTHORN 115 LINE-1710 0.9439 1.0173 0.9408 1.0174 -0.003 HAWTREAC 115 LINE-1710 0.9335 1.0143 0.9302 1.0144 -0.003 HAWTREAC 115 CCT1710&1730 0.8965 1.0143 0.8907 1.0144 -0.006 MYSTICCT 115 LINE-1280 0.8883 0.9909 0.8882 0.9912 0.000 OLD TOWN 115 LINE-1710 0.9285 1.0172 0.9252 1.0173 -0.003 CCT1710&1730 0.8906 1.0172 0.8846 1.0173 -0.006 RDGEFLDB 115 LINE-1565 0.9166 1.0024 0.9168 1.0034 0.000 LINE-1775 0.9524 1.0026 0.9522 1.0025 0.000 RKRIV PF 115 LINE-1770 0.9472 0.9993 0.9478 1.0003 0.001 ROCK RIV 115 LINE-1770 0.9472 0.9993 0.9478 1.0003 0.001 SHEPAUG 115 LINE-1770 0.9092 1.0065 0.9099 1.0079 0.001 SHEPAUG 69.0 LINE-1770 0.9164 1.0131 0.9171 1.0145 0.001 STONY HL 115 LINE-1770 0.9187 1.0060 0.9193 1.0073 0.001 W.BRKFLD 115 LINE-1770 0.9282 1.0017 0.9288 1.0029 0.001

Table VII-31 Case: nyne7pkex-2 Case: csc-nyne7pkex-2 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9719 1.0295 0.9718 1.0294 0.000 ALLINGSB 115 LINE-8904B 0.9712 1.0295 0.9711 1.0294 0.000 BATES RK 115 LINE-1770 0.8985 1.0061 0.8992 1.0035 0.001 LIN1887-1662 0.9127 1.0061 0.9087 1.0035 -0.004 CCT_1770&321 0.9241 1.0012 0.9247 0.9986 0.001 CCT_1770&321 0.9039 1.0061 0.9046 1.0035 0.001 BULLS BR 115 LINE-1770 0.9458 1.0002 0.9464 0.9988 0.001 GREEN HL 115 LINE-1508 0.9462 1.0025 0.9466 1.0028 0.000 LINE-1537 0.9464 1.0025 0.9467 1.0028 0.000 HAWTHORN 115 LINE-1710 0.9451 1.0176 0.9449 1.0174 0.000 CCT1710&1730 0.9126 1.0176 0.9113 1.0174 -0.001 HAWTREAC 115 LINE-1710 0.9348 1.0145 0.9346 1.0145 0.000 CCT1710&1730 0.8993 1.0145 0.8979 1.0145 -0.001 MYSTICCT 115 LINE-1280 0.8838 0.9884 0.8836 0.9825 0.000 OLD TOWN 115 LINE-1710 0.9299 1.0174 0.9297 1.0174 0.000 CCT1710&1730 0.8935 1.0174 0.8920 1.0174 -0.001 RDGEFLDB 115 LINE-1565 0.9168 1.0044 0.9168 1.0028 0.000 RIVDRHIA 115 LINE-1775 0.9492 0.9994 N/A RKRIV PF 115 LINE-1770 0.9475 1.0019 0.9481 1.0004 0.001 ROCK RIV 115 LINE-1770 0.9475 1.0019 0.9481 1.0004 0.001 SHEPAUG 115 LINE-1770 0.9095 1.0098 0.9102 1.0072 0.001 SHEPAUG 69.0 LINE-1770 0.9168 1.0164 0.9174 1.0138 0.001 STONY HL 115 LINE-1770 0.919 1.0092 0.9196 1.0066 0.001 W.BRKFLD 115 LINE-1770 0.9285 1.0047 0.9291 1.0025 0.001



Table VII-32 Case: nyne7pkex-3 Case: csc-nyne7pkex-3 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.8984 1.0061 0.8991 1.0035 0.001 BLRKHIA 115 CCT1670&1771 0.9098 1.0055 0.9105 1.0058 0.001 BULLS BR 115 LINE-1770 0.9457 1.0003 0.9463 0.9988 0.001 CTRI1870 115 LINE-1280 0.8967 0.9828 0.8966 0.9806 0.000 GREEN HL 115 LINE-1508 0.9459 1.0024 0.9463 1.0028 0.000 LINE-1537 0.9460 1.0024 0.9464 1.0028 0.000 HAWTHORN 115 LINE-1710 0.9452 1.0176 0.9407 1.0174 -0.005 CCT1710&1730 0.9127 1.0176 0.9044 1.0174 -0.008 HAWTREAC 115 LINE-1710 0.9349 1.0145 0.9301 1.0145 -0.005 CCT1710&1730 0.8994 1.0145 0.8902 1.0145 -0.009 MYSTICCT 115 LINE-1280 0.8838 0.9844 0.8837 0.9832 0.000 OLD TOWN 115 LINE-1710 0.9300 1.0174 0.9251 1.0174 -0.005 CCT1710&1730 0.8936 1.0174 0.8841 1.0174 -0.009 RDGEFLDB 115 LINE-1565 0.9168 1.0044 0.9168 1.0028 0.000 RKRIV PF 115 LINE-1770 0.9475 1.0019 0.9481 1.0005 0.001 ROCK RIV 115 LINE-1770 0.9475 1.0019 0.9481 1.0005 0.001 SHEPAUG 115 LINE-1770 0.9095 1.0098 0.9101 1.0073 0.001 SHEPAUG 69.0 LINE-1770 0.9167 1.0164 0.9174 1.0139 0.001 STONY HL 115 LINE-1770 0.9189 1.0093 0.9196 1.0067 0.001 W.BRKFLD 115 LINE-1770 0.9284 1.0047 0.9290 1.0026 0.001

Table VII-33 Case: mdexp-6 Case: csc-mdexp-6 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation TOMAC 115 CCT1440&1450 0.8502 1.0256 0.8502 1.0257 0.000 WATERSDE 115 CCT1440&1450 0.8442 1.0289 0.8442 1.0290 0.000 COS COB 115 CCT1440&1450 0.8436 1.0244 0.8436 1.0245 0.000 SO.END 115 CCT1440&1450 0.8575 1.0279 0.8575 1.0279 0.000 DARIEN 115 CCT1440&1450 0.8822 1.0307 0.8822 1.0308 0.000 S.NORWAK 115 CCT1440&1450 0.9097 1.0281 0.9097 1.0283 0.000

Table VII-34 Case: ipeakexp Case: csci-peakexp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation 1775 TAP 115 LINE-1775 0.9509 1.0015 0.9510 1.0016 0.000 ALLINGSA 115 LINE-8804A 0.9716 1.0294 0.9720 1.0294 0.000 ALLINGSB 115 LINE-8904B 0.9710 1.0294 0.9714 1.0294 0.000 BATES RK 115 LINE-1770 0.8949 1.0000 0.8944 0.9986 -0.001 LIN1887-1662 0.9031 1.0000 0.9012 0.9986 -0.002 CCT_1770&321 0.8948 1.0000 0.8944 0.9986 0.000 BULLS BR 115 LINE-1770 0.9426 0.9964 0.9422 0.9954 0.000 CANTON 115 LINE-1784 0.9388 0.9906 0.9385 0.9908 0.000 GREEN HL 115 LINE-1508 0.9479 1.0031 0.9482 1.0033 0.000 LINE-1537 0.9480 1.0031 0.9482 1.0033 0.000 HAWTHORN 115 LINE-1710 0.9529 1.0178 0.9526 1.0178 0.000 HAWTREAC 115 LINE-1710 0.9431 1.0157 0.9429 1.0157 0.000 CCT1710&1730 0.9157 1.0157 0.9156 1.0157 0.000 RDGEFLDB 115 LINE-1565 0.9186 0.9990 0.9186 0.9982 0.000 LINE-1775 0.9509 1.0010 0.9510 1.0011 0.000 RKRIV PF 115 LINE-1770 0.9443 0.9980 0.9439 0.9970 0.000 ROCK RIV 115 LINE-1770 0.9443 0.9980 0.9439 0.9970 0.000 SHEPAUG 115 LINE-1770 0.9060 1.0037 0.9056 1.0023 0.000 CCT_1770&321 0.9059 1.0037 0.9055 1.0023 0.000 SHEPAUG 69.0 LINE-1770 0.9133 1.0103 0.9128 1.0090 -0.001 CCT_1770&321 0.9132 1.0103 0.9128 1.0090 0.000 STONY HL 115 LINE-1770 0.9155 1.0032 0.9151 1.0018 0.000 W.BRKFLD 115 LINE-1770 0.9251 0.9994 0.9247 0.9982 0.000



Table VII-35 Case: ipkex-2 Case: csci-pkex-2 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9716 1.0294 0.9718 1.0294 0.000 ALLINGSB 115 LINE-8904B 0.9710 1.0294 0.9711 1.0294 0.000 BATES RK 115 LINE-1770 0.8948 0.9999 0.8944 0.9986 0.000 CCT_1770&321 0.8948 0.9999 0.8943 0.9986 -0.001 BULLS BR 115 LINE-1770 0.9426 0.9963 0.9421 0.9954 0.000 CANTON 115 LINE-1784 0.9384 0.9907 0.9384 0.9910 0.000 GREEN HL 115 LINE-1508 0.9475 1.0031 0.9479 1.0033 0.000 LINE-1537 0.9477 1.0031 0.9480 1.0033 0.000 HAWTHORN 115 LINE-1710 0.9528 1.0178 0.9526 1.0178 0.000 CCT1710&1730 0.9275 1.0178 0.9274 1.0178 0.000 HAWTREAC 115 LINE-1710 0.9431 1.0157 0.9429 1.0157 0.000 CCT1710&1730 0.9156 1.0157 0.9155 1.0157 0.000 MYSTICCT 115 LINE-1280 0.8860 0.9862 0.8860 0.9862 0.000 OLD TOWN 115 LINE-1710 0.9384 1.0182 0.9382 1.0182 0.000 CCT1710&1730 0.9103 1.0182 0.9102 1.0182 0.000 RIVDRHIA 115 LINE-1775 0.9507 1.0010 0.9508 1.0011 0.000 RKRIV PF 115 LINE-1770 0.9443 0.9979 0.9439 0.9970 0.000 ROCK RIV 115 LINE-1770 0.9443 0.9979 0.9439 0.9970 0.000 SHEPAUG 115 LINE-1770 0.9060 1.0037 0.9055 1.0023 -0.001 SHEPAUG 69.0 LINE-1770 0.9132 1.0103 0.9128 1.0090 0.000 STONY HL 115 LINE-1770 0.9155 1.0031 0.9151 1.0018 0.000 W.BRKFLD 115 LINE-1770 0.9251 0.9993 0.9246 0.9982 -0.001

Table VII-36 Case: ipeakimp Case: csci-peakimp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9714 1.0289 0.9716 1.0289 0.000 ALLINGSB 115 LINE-8904B 0.9708 1.0289 0.9709 1.0289 0.000 ANSONIA 115 CCT1545&1570 0.9412 1.0119 0.9388 1.0115 -0.002 BATES RK 115 LINE-1770 0.8953 1.0033 0.8943 1.0016 -0.001 CCT_1770&321 0.8933 1.0033 0.8922 1.0016 -0.001 BULLS BR 115 LINE-1770 0.9429 0.9991 0.9421 0.9977 -0.001 CANTON 115 LINE-1784 0.9391 0.9966 0.9384 0.9963 -0.001 CTRI1870 115 LINE-1280 0.8986 0.9950 0.8986 0.9952 0.000 GREEN HL 115 LINE-1508 0.9492 1.0039 0.9489 1.0038 0.000 LINE-1537 0.9495 1.0039 0.9492 1.0038 0.000 HAWTHORN 115 LINE-1710 0.9529 1.0180 0.9525 1.0179 0.000 HAWTREAC 115 LINE-1710 0.9431 1.0161 0.9427 1.0161 0.000 CCT1710&1730 0.9119 1.0161 0.9111 1.0161 -0.001 OLD TOWN 115 LINE-1710 0.9384 1.0185 0.9380 1.0185 0.000 CCT1710&1730 0.9064 1.0185 0.9056 1.0185 -0.001 RDGEFLDB 115 LINE-1565 0.9183 1.0029 0.9183 1.0018 0.000 RKRIV PF 115 LINE-1770 0.9447 1.0007 0.9438 0.9993 -0.001 ROCK RIV 115 LINE-1770 0.9447 1.0007 0.9438 0.9993 -0.001 SHEPAUG 115 LINE-1770 0.9064 1.0071 0.9054 1.0053 -0.001 CCT_1770&321 0.9045 1.0071 0.9034 1.0053 -0.001 SHEPAUG 69.0 LINE-1770 0.9136 1.0137 0.9127 1.0119 -0.001 CCT_1770&321 0.9118 1.0137 0.9107 1.0119 -0.001 STONY HL 115 LINE-1770 0.9159 1.0065 0.9150 1.0048 -0.001 W.BRKFLD 115 LINE-1770 0.9255 1.0023 0.9246 1.0007 -0.001



Table VII-37 Case: ipkimp-2 Case: csci-pkimp-2 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9714 1.0288 0.9718 1.0294 0.000 ALLINGSB 115 LINE-8904B 0.9707 1.0288 0.9711 1.0294 0.000 BATES RK 115 LINE-1770 0.8930 1.0028 0.8944 0.9986 0.001 CCT_1770&321 0.8899 1.0028 0.8943 0.9986 0.004 BULLS BR 115 LINE-1770 0.9414 0.9989 0.9421 0.9954 0.001 CANTON 115 LINE-1784 0.9384 0.9970 0.9384 0.9910 0.000 GREEN HL 115 LINE-1508 0.9489 1.0039 0.9479 1.0033 -0.001 LINE-1537 0.9492 1.0039 0.9480 1.0033 -0.001 HAWTHORN 115 LINE-1710 0.9527 1.0180 0.9526 1.0178 0.000 HAWTREAC 115 LINE-1710 0.9430 1.0161 0.9429 1.0157 0.000 CCT1710&1730 0.9099 1.0161 0.9155 1.0157 0.006 MYSTICCT 115 LINE-1280 0.8857 0.9959 0.8860 0.9862 0.000 OLD TOWN 115 LINE-1710 0.9383 1.0185 0.9382 1.0182 0.000 CCT1710&1730 0.9043 1.0185 0.9102 1.0182 0.006 RDGEFLDB 115 LINE-1565 0.9181 1.0024 0.9186 0.9982 0.000 RIVDRHIA 115 LINE-1775 0.9508 1.0011 N/A RKRIV PF 115 LINE-1770 0.9432 1.0005 0.9439 0.9970 0.001 ROCK RIV 115 LINE-1770 0.9432 1.0005 0.9439 0.9970 0.001 SHEPAUG 115 LINE-1770 0.9043 1.0065 0.9055 1.0023 0.001 CCT_1770&321 0.9013 1.0065 0.9055 1.0023 0.004 SHEPAUG 69.0 LINE-1770 0.9115 1.0131 0.9128 1.0090 0.001 CCT_1770&321 0.9086 1.0131 0.9127 1.0090 0.004 STONY HL 115 LINE-1770 0.9140 1.0060 0.9151 1.0018 0.001 W.BRKFLD 115 LINE-1770 0.9237 1.0019 0.9246 0.9982 0.001

Table VII-38 Case: imidexp Case: csci-midexp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9524 1.0037 N/A TOMAC 115 CCT1440&1450 0.8387 1.0252 0.8387 1.0252 0.000 WATERSDE 115 CCT1440&1450 0.8323 1.0285 0.8323 1.0285 0.000 COS COB 115 CCT1440&1450 0.8319 1.0240 0.8319 1.0240 0.000 SO.END 115 CCT1440&1450 0.8464 1.0274 0.8464 1.0274 0.000 DARIEN 115 CCT1440&1450 0.8719 1.0300 0.8719 1.0300 0.000 S.NORWAK 115 CCT1440&1450 0.9008 1.0269 0.9008 1.0269 0.000

Table VII-39 Case: imdexp-2 Case: csci-mdexp-2 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9524 1.0038 0.9524 1.0024 0.000 COS COB 115 CCT1440&1450 0.8319 1.0240 0.8319 1.0240 0.000 S.NORWAK 115 CCT1440&1450 0.9008 1.0269 0.9008 1.0269 0.000 SO.END 115 CCT1440&1450 0.8464 1.0274 0.8464 1.0274 0.000 TOMAC 115 CCT1440&1450 0.8387 1.0252 0.8387 1.0252 0.000 WATERSDE 115 CCT1440&1450 0.8323 1.0285 0.8323 1.0285 0.000



Table VII-40 Case: i-midimp Case: csci-midimp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9391 1.0064 0.9384 1.0050 -0.001 COS COB 115 CCT1440&1450 0.8347 1.0281 0.8347 1.0281 0.000 DARIEN 115 CCT1440&1450 0.8744 1.0340 0.8744 1.0340 0.000 S.NORWAK 115 CCT1440&1450 0.9029 1.0307 0.9030 1.0306 0.000 SHEPAUG 115 LINE-1770 0.9453 1.0090 0.9446 1.0076 -0.001 SHEPAUG 69.0 LINE-1770 0.9523 1.0156 0.9516 1.0142 -0.001 SO.END 115 CCT1440&1450 0.8490 1.0315 0.8491 1.0315 0.000 STONY HL 115 LINE-1770 0.9482 1.0066 0.9475 1.0053 -0.001 TOMAC 115 CCT1440&1450 0.8414 1.0294 0.8415 1.0293 0.000 W.BRKFLD 115 LINE-1770 0.9522 1.0026 N/A WATERSDE 115 CCT1440&1450 0.8351 1.0326 0.8352 1.0326 0.000

Table VII-41 Case: imdimp-1 Case: csci-mdimp-1 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation BATES RK 115 LINE-1770 0.9375 1.0062 0.9366 1.0048 -0.001 COS COB 115 CCT1440&1450 0.8347 1.0281 0.8347 1.0281 0.000 DARIEN 115 CCT1440&1450 0.8744 1.0340 0.8744 1.0340 0.000 S.NORWAK 115 CCT1440&1450 0.9030 1.0306 0.9030 1.0306 0.000 SHEPAUG 115 LINE-1770 0.9438 1.0088 0.9429 1.0073 -0.001 SHEPAUG 69.0 LINE-1770 0.9508 1.0154 0.9499 1.0139 -0.001 SO.END 115 CCT1440&1450 0.8491 1.0315 0.8491 1.0315 0.000 STONY HL 115 LINE-1770 0.9467 1.0065 0.9458 1.0050 -0.001 TOMAC 115 CCT1440&1450 0.8415 1.0294 0.8415 1.0293 0.000 W.BRKFLD 115 LINE-1770 0.9508 1.0024 0.9499 1.0010 -0.001 WATERSDE 115 CCT1440&1450 0.8352 1.0326 0.8352 1.0326 0.000

Table VII-42 Case: inyne7pkimp Case: csci-nyne7pkimp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9723 1.0293 0.9726 1.0293 0.000 ALLINGSB 115 LINE-8904B 0.9717 1.0293 0.9719 1.0293 0.000 BATES RK 115 LINE-1770 0.8915 1.0042 0.8909 0.9999 -0.001 CCT_1770&321 0.8901 1.0042 0.8897 0.9999 0.000 BULLS BR 115 LINE-1770 0.9396 0.9987 0.9391 0.9958 0.000 CANTON 115 LINE-1784 0.9363 0.9962 0.9358 0.9960 -0.001 CTRI1870 115 LINE-1280 0.9011 0.9943 0.9011 0.9944 0.000 GREEN HL 115 LINE-1508 0.9512 1.0039 0.9512 1.0039 0.000 LINE-1537 0.9514 1.0039 0.9513 1.0039 0.000 HAWTHORN 115 LINE-1710 0.9530 1.0180 0.9512 1.0176 -0.002 HAWTREAC 115 LINE-1710 0.9433 1.0159 0.9411 1.0156 -0.002 CCT1710&1730 0.9139 1.0159 0.9091 1.0156 -0.005 MYSTICCT 115 LINE-1280 0.8885 0.9952 0.8885 0.9953 0.000 OLD TOWN 115 LINE-1710 0.9386 1.0184 0.9363 1.0181 -0.002 CCT1710&1730 0.9085 1.0184 0.9035 1.0181 -0.005 RDGEFLDB 115 LINE-1565 0.9182 1.0033 0.9181 1.0006 0.000 RKRIV PF 115 LINE-1770 0.9414 1.0003 0.9409 0.9974 -0.001 ROCK RIV 115 LINE-1770 0.9414 1.0003 0.9409 0.9974 -0.001 SHEPAUG 115 LINE-1770 0.9027 1.0079 0.9022 1.0036 0.000 CCT_1770&321 0.9014 1.0079 0.9009 1.0036 0.000 SHEPAUG 69.0 LINE-1770 0.9100 1.0145 0.9094 1.0103 -0.001 STONY HL 115 LINE-1770 0.9123 1.0074 0.9118 1.0031 0.000 W.BRKFLD 115 LINE-1770 0.9220 1.0026 0.9215 0.9989 -0.001



Table VII-43 Case: inyne7pkimp-2 Case: csci-nyne7pkimp-2 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9716 1.0290 0.9717 1.0290 0.000 ALLINGSB 115 LINE-8904B 0.9710 1.0290 0.9711 1.0290 0.000 BATES RK 115 LINE-1770 0.8936 1.0057 0.8924 1.0046 -0.001 LIN1887-1662 0.9093 1.0057 0.9079 1.0046 -0.001 CCT_1770&321 0.8905 1.0057 0.8888 1.0046 -0.002 BULLS BR 115 LINE-1770 0.9419 1.0008 0.9409 0.9999 -0.001 CANTON 115 LINE-1784 0.9390 0.9975 0.9386 0.9974 0.000 GREEN HL 115 LINE-1508 0.9488 1.0037 0.9484 1.0036 0.000 LINE-1537 0.9491 1.0037 0.9486 1.0036 -0.001 HAWTHORN 115 LINE-1710 0.9532 1.0182 0.9530 1.0181 0.000 HAWTREAC 115 LINE-1710 0.9436 1.0163 0.9433 1.0163 0.000 MYSTICCT 115 LINE-1280 0.8861 0.9942 0.8860 0.9944 0.000 OLD TOWN 115 LINE-1710 0.9389 1.0187 0.9386 1.0187 0.000 CCT1710&1730 0.9153 1.0187 0.9090 1.0187 -0.006 RDGEFLDB 115 LINE-1565 0.9182 1.0044 0.9182 1.0038 0.000 RKRIV PF 115 LINE-1770 0.9437 1.0024 0.9426 1.0015 -0.001 ROCK RIV 115 LINE-1770 0.9437 1.0024 0.9426 1.0015 -0.001 SHEPAUG 115 LINE-1770 0.9048 1.0094 0.9037 1.0083 -0.001 CCT_1770&321 0.9019 1.0094 0.9003 1.0083 -0.002 SHEPAUG 69.0 LINE-1770 0.9121 1.0160 0.9110 1.0149 -0.001 CCT_1770&321 0.9092 1.0160 0.9076 1.0149 -0.002 STONY HL 115 LINE-1770 0.9145 1.0088 0.9134 1.0078 -0.001

Table VII-44 Case: inyne7pkex Case: csci-nyne7pkex Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation 1775 TAP 115 LINE-1775 0.9493 1.0000 0.9494 1.0001 0.000 ALLINGSA 115 LINE-8804A 0.9715 1.0292 0.9721 1.0292 0.001 ALLINGSB 115 LINE-8904B 0.9708 1.0292 0.9714 1.0292 0.001 BATES RK 115 LINE-1770 0.8945 1.0051 0.8944 1.0044 0.000 CCT_1770&321 0.8937 1.0051 0.8936 1.0044 0.000 BULLS BR 115 LINE-1770 0.9423 0.9999 0.9422 0.9994 0.000 CTRI1870 115 LINE-1280 0.8966 0.9799 0.8966 0.9799 0.000 GREEN HL 115 LINE-1508 0.9463 1.0013 0.9465 1.0014 0.000 LINE-1537 0.9465 1.0013 0.9466 1.0014 0.000 HAWTHORN 115 LINE-1710 0.9541 1.0183 0.9544 1.0183 0.000 HAWTREAC 115 LINE-1710 0.9445 1.0163 0.9449 1.0163 0.000 MYSTICCT 115 LINE-1280 0.8837 0.9827 0.8837 0.9827 0.000 OLD TOWN 115 LINE-1710 0.9398 1.0187 0.9403 1.0187 0.001 CCT1710&1730 0.9153 1.0187 0.9160 1.0187 0.001 RDGEFLDB 115 LINE-1565 0.9187 1.0032 0.9187 1.0028 0.000 LINE-1775 0.9493 0.9996 0.9494 0.9997 0.000 RKRIV PF 115 LINE-1770 0.9440 1.0015 0.9439 1.0010 0.000 ROCK RIV 115 LINE-1770 0.9440 1.0015 0.9439 1.0010 0.000 SHEPAUG 115 LINE-1770 0.9056 1.0088 0.9055 1.0081 0.000 CCT_1770&321 0.9049 1.0088 0.9047 1.0081 0.000 SHEPAUG 69.0 LINE-1770 0.9129 1.0154 0.9128 1.0147 0.000 CCT_1770&321 0.9121 1.0154 0.9120 1.0147 0.000 STONY HL 115 LINE-1770 0.9152 1.0083 0.9151 1.0076 0.000 W.BRKFLD 115 LINE-1770 0.9248 1.0038 0.9247 1.0031 0.000



Table VII-45 Case: inyne7pkimp-2 Case: csci-nyne7pkimp-2 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9715 1.0292 0.9721 1.0292 0.001 ALLINGSB 115 LINE-8904B 0.9708 1.0292 0.9714 1.0292 0.001 ANSONIA 115 CCT1545&1570 0.9418 1.0114 0.9412 1.0113 -0.001 BATES RK 115 LINE-1770 0.8945 1.0051 0.8943 1.0044 0.000 CCT_1770&321 0.8939 1.0051 0.8935 1.0044 0.000 BULLS BR 115 LINE-1770 0.9423 0.9998 0.9421 0.9994 0.000 GREEN HL 115 LINE-1508 0.9460 1.0012 0.9461 1.0014 0.000 LINE-1537 0.9461 1.0012 0.9464 1.0014 0.000 HAWTHORN 115 LINE-1710 0.9541 1.0183 0.9544 1.0183 0.000 HAWTREAC 115 LINE-1710 0.9445 1.0163 0.9449 1.0163 0.000 MYSTICCT 115 LINE-1280 0.8838 0.9834 0.8838 0.9834 0.000 OLD TOWN 115 LINE-1710 0.9398 1.0187 0.9403 1.0186 0.001 CCT1710&1730 0.9153 1.0187 0.9160 1.0186 0.001 RDGEFLDB 115 LINE-1565 0.9187 1.0032 0.9187 1.0028 0.000 RKRIV PF 115 LINE-1770 0.9440 1.0014 0.9438 1.0010 0.000 ROCK RIV 115 LINE-1770 0.9440 1.0014 0.9438 1.0010 0.000 SHEPAUG 115 LINE-1770 0.9057 1.0088 0.9055 1.0081 0.000 CCT_1770&321 0.9051 1.0088 0.9047 1.0081 0.000 SHEPAUG 69.0 LINE-1770 0.9129 1.0154 0.9127 1.0148 0.000 CCT_1770&321 0.9123 1.0154 0.9119 1.0148 0.000 STONY HL 115 LINE-1770 0.9152 1.0083 0.9150 1.0076 0.000 W.BRKFLD 115 LINE-1770 0.9248 1.0037 0.9246 1.0032 0.000

Table VII-46 Case: ineny7pkimp Case: csci-neny7pkimp Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9709 1.0286 0.9711 1.0287 0.000 ALLINGSB 115 LINE-8904B 0.9702 1.0286 0.9704 1.0287 0.000 BATES RK 115 LINE-1770 0.8928 1.0004 0.8914 0.9978 -0.001 LIN1887-1662 0.9036 1.0004 0.9001 0.9978 -0.003 CCT_1770&321 0.8915 1.0004 0.8900 0.9978 -0.001 BULLS BR 115 LINE-1770 0.9408 0.9963 0.9395 0.9942 -0.001 CANTON 115 LINE-1784 0.9396 0.9948 0.9385 0.9942 -0.001 CTRI1870 115 LINE-1280 0.8943 0.9918 0.8942 0.9920 0.000 GREEN HL 115 LINE-1508 0.9446 1.0024 0.9441 1.0020 0.000 LINE-1537 0.9448 1.0024 0.9443 1.0020 0.000 HAWTHORN 115 LINE-1710 0.9527 1.0179 0.9522 1.0177 0.000 HAWTREAC 115 LINE-1710 0.9430 1.0157 0.9425 1.0157 0.000 CCT1710&1730 0.9109 1.0157 0.9091 1.0157 -0.002 MYSTICCT 115 LINE-1280 0.8813 0.9947 0.8812 0.9950 0.000 OLD TOWN 115 LINE-1710 0.9383 1.0183 0.9377 1.0182 -0.001 CCT1710&1730 0.9053 1.0183 0.9035 1.0182 -0.002 RDGEFLDB 115 LINE-1565 0.9182 1.0008 0.9182 0.9993 0.000 RKRIV PF 115 LINE-1770 0.9425 0.9979 0.9412 0.9959 -0.001 ROCK RIV 115 LINE-1770 0.9425 0.9979 0.9412 0.9959 -0.001 SHEPAUG 115 LINE-1770 0.9040 1.0041 0.9026 1.0016 -0.001 CCT_1770&321 0.9028 1.0041 0.9012 1.0016 -0.002 SHEPAUG 69.0 LINE-1770 0.9113 1.0107 0.9099 1.0082 -0.001 CCT_1770&321 0.9100 1.0107 0.9085 1.0082 -0.002 STONY HL 115 LINE-1770 0.9136 1.0036 0.9122 1.0011 -0.001 W.BRKFLD 115 LINE-1770 0.9232 0.9995 0.9219 0.9972 -0.001



Table VII-47 Case: ineny7pkimp-2 Case: csci-neny7pkimp-2 Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9707 1.0285 0.9707 1.0285 0.000 ALLINGSB 115 LINE-8904B 0.9700 1.0285 0.9700 1.0285 0.000 BATES RK 115 LINE-1770 0.8875 0.9992 0.8844 0.9961 -0.003 LIN1887-1662 0.9015 0.9992 0.8973 0.9961 -0.004 CCT_1770&321 0.8853 0.9992 0.8817 0.9961 -0.004 BULLS BR 115 LINE-1770 0.9367 0.9948 0.9341 0.9922 -0.003 CANTON 115 LINE-1784 0.9358 0.9934 0.9339 0.9925 -0.002 GREEN HL 115 LINE-1508 0.9417 1.0016 0.9406 1.0010 -0.001 LINE-1537 0.9420 1.0016 0.9408 1.0010 -0.001 HAWTHORN 115 LINE-1710 0.9525 1.0178 0.9519 1.0176 -0.001 HAWTREAC 115 LINE-1710 0.9428 1.0157 0.9421 1.0155 -0.001 HAWTREAC 115 CCT1710&1730 0.9097 1.0157 0.9061 1.0155 -0.004 MYSTICCT 115 LINE-1280 0.8803 0.9946 0.8802 0.9951 0.000 OLD TOWN 115 LINE-1710 0.9381 1.0182 0.9374 1.0181 -0.001 CCT1710&1730 0.9041 1.0182 0.9004 1.0181 -0.004 RDGEFLDB 115 LINE-1565 0.9181 1.0001 0.9180 0.9983 0.000 RKRIV PF 115 LINE-1770 0.9385 0.9964 0.9358 0.9938 -0.003 ROCK RIV 115 LINE-1770 0.9385 0.9964 0.9358 0.9938 -0.003 SHEPAUG 115 LINE-1770 0.8990 1.0029 0.8960 0.9999 -0.003 CCT_1770&321 0.8969 1.0029 0.8934 0.9999 -0.004 SHEPAUG 69.0 LINE-1770 0.9063 1.0096 0.9033 1.0066 -0.003 CCT_1770&321 0.9042 1.0096 0.9007 1.0066 -0.004 STONY HL 115 LINE-1770 0.9088 1.0024 0.9059 0.9994 -0.003 W.BRKFLD 115 LINE-1770 0.9187 0.9982 0.9159 0.9954 -0.003

Table VII-48 Case: ineny7pkex Case: csci-neny7pkex Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9713 1.0291 0.9719 1.0291 0.001 ALLINGSB 115 LINE-8904B 0.9706 1.0291 0.9713 1.0291 0.001 BATES RK 115 LINE-1770 0.8927 0.9995 0.8921 0.9980 -0.001 CCT_1770&321 0.8925 0.9995 0.8920 0.9980 0.000 BULLS BR 115 LINE-1770 0.9406 0.9953 0.9402 0.9941 0.000 CANTON 115 LINE-1784 0.9376 0.9927 0.9373 0.9928 0.000 GREEN HL 115 LINE-1508 0.9484 1.0021 0.9485 1.0022 0.000 LINE-1537 0.9486 1.0021 0.9487 1.0022 0.000 HAWTHORN 115 LINE-1710 0.9527 1.0177 0.9524 1.0176 0.000 HAWTREAC 115 LINE-1710 0.9430 1.0155 0.9427 1.0155 0.000 OLD TOWN 115 LINE-1710 0.9383 1.0181 0.9380 1.0181 0.000 RDGEFLDB 115 LINE-1565 0.9185 0.9985 0.9185 0.9977 0.000 LINE-1775 0.9519 1.0020 0.9519 1.0020 0.000 RKRIV PF 115 LINE-1770 0.9424 0.9969 0.9419 0.9958 -0.001 ROCK RIV 115 LINE-1770 0.9424 0.9969 0.9419 0.9958 -0.001 SHEPAUG 115 LINE-1770 0.9038 1.0032 0.9033 1.0017 -0.001 CCT_1770&321 0.9037 1.0032 0.9032 1.0017 0.000 SHEPAUG 69.0 LINE-1770 0.9111 1.0098 0.9106 1.0084 -0.001 STONY HL 115 LINE-1770 0.9134 1.0027 0.9129 1.0012 0.000 W.BRKFLD 115 LINE-1770 0.9231 0.9987 0.9226 0.9974 -0.001



Table VII-49 Case: ineny7pkex-2 Case: csci-neny7pkex-2

Without Project With Project Name Contingency VII-Cont VII-Init VII-Cont VII-Init Deviation ALLINGSA 115 LINE-8804A 0.9713 1.0291 0.9719 1.0291 0.001 ALLINGSB 115 LINE-8904B 0.9706 1.0291 0.9712 1.0291 0.001 BATES RK 115 LINE-1770 0.8926 0.9994 0.8874 0.9973 -0.005 LIN1887-1662 0.9032 0.9994 0.9009 0.9973 -0.002 CCT_1770&321 0.8926 0.9994 0.8873 0.9973 -0.005 BULLS BR 115 LINE-1770 0.9406 0.9951 0.9361 0.9925 -0.004 CANTON 115 LINE-1784 0.9372 0.9927 0.9344 0.9919 -0.003 GREEN HL 115 LINE-1508 0.9481 1.0021 0.9481 1.0022 0.000 LINE-1537 0.9483 1.0021 0.9483 1.0022 0.000 HAWTHORN 115 LINE-1710 0.9527 1.0177 0.9520 1.0174 -0.001 HAWTREAC 115 LINE-1710 0.9429 1.0155 0.9422 1.0153 -0.001 MYSTICCT 115 LINE-1280 0.8879 0.9898 0.8879 0.9898 0.000 OLD TOWN 115 LINE-1710 0.9382 1.0181 0.9375 1.0179 -0.001 CCT1710&1730 0.9097 1.0181 0.9014 1.0179 -0.008 RDGEFLDB 115 LINE-1565 0.9186 0.9984 0.9185 0.9974 0.000 RIVDRHIA 115 LINE-1775 0.9517 1.0020 0.9516 1.0019 0.000 RKRIV PF 115 LINE-1770 0.9423 0.9967 0.9378 0.9941 -0.005 ROCK RIV 115 LINE-1770 0.9423 0.9967 0.9378 0.9941 -0.005 SHEPAUG 115 LINE-1770 0.9038 1.0031 0.8988 1.0010 -0.005 CCT_1770&321 0.9037 1.0031 0.8986 1.0010 -0.005 SHEPAUG 69.0 LINE-1770 0.9111 1.0098 0.9061 1.0077 -0.005 CCT_1770&321 0.9110 1.0098 0.9059 1.0077 -0.005 STONY HL 115 LINE-1770 0.9134 1.0026 0.9085 1.0005 -0.005 W.BRKFLD 115 LINE-1770 0.9230 0.9986 0.9183 0.9963 -0.005

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