KEOGH-DWYER CORRECTIONAL FACILITY06.05.14...2014/06/05 · The Keogh-Dwyer Correctional Facility is located at 41 High Street in Newton, New Jersey. This 38,206 SF facility was built

SUSSEX COUNTY

KEOGH-DWYER CORRECTIONAL FACILITY

41 HIGH STREET

NEWTON, NJ 07860

FACILITY ENERGY REPORT

Sussex County Dept. of Shared Services – Keogh-Dwyer Correctional Facility Energy Audit

TABLE OF CONTENTS

I. HISTORIC ENERGY CONSUMPTION/COST ................................................................. 2

II. FACILITY DESCRIPTION ................................................................................................ 9

III. MAJOR EQUIPMENT LIST ............................................................................................ 11

IV. ENERGY CONSERVATION MEASURES ..................................................................... 12

V. ADDITIONAL RECOMMENDATIONS ......................................................................... 47

Appendix A – ECM Cost & Savings Breakdown

Appendix B – New Jersey Smart Start® Program Incentives

Appendix C – Portfolio Manager “Statement of Energy Performance”

Appendix D – Major Equipment List

Appendix E – Investment Grade Lighting Audit

Appendix F – Renewable / Distributed Energy Measures Calculations

Appendix G – Prison Ozone Laundry Savings Summary

Appendix H – Combined Heat and Power Calculation

Concord Engineering Group, Inc. 1C13489 June 5, 2014– FINAL Page 1 of 47


I. HISTORIC ENERGY CONSUMPTION/COST The energy usage for the facility has been tabulated and plotted in graph form as depicted within this section. Each energy source has been identified and monthly consumption and cost noted per the information provided by the Owner. Electric Utility Provider: Jersey Central Power & Lighting (JCP&L) Electric Utility Rate Structure: General Service Secondary 3- Phase Third Party Supplier: Hess Natural Gas Utility Provider: Elizabethtown Gas Utility Rate Structure: General Delivery - Heat Third Party Supplier: Hess Water and Sewer Utility Provider: Newton Water & Sewer Utility Rate Structure: N/A Third Party Suppler: None The electric usage profile represents the actual electrical usage for the facility. The electric utility measures consumption in kilowatt-hours (KWH) and maximum demand in kilowatts (KW). One KWH usage is equivalent to 1000 watts running for one hour. One KW of electric demand is equivalent to 1000 watts running at any given time. The basic usage charges are shown as generation service and delivery charges along with several non-utility generation charges. Rates used in this report reflect the historical data received for the facility. The gas usage profile within each facility report shows the actual natural gas energy usage for the facility. The gas utility measures consumption in cubic feet x 100 (CCF), and converts the quantity into Therms of energy. One Therm is equivalent to 100,000 BTUs of energy. The water usage profile for this facility shows the actual water consumption based on collected utility bills. The water utility measures consumption in gallons (gal), and converts the quantity into 1,000 gallons.



Table 1 Electricity Billing Data

Utility Provider: JCP&LRate: General Service Secondary 3-Phase

Meter No: G28168662Account No: 10 00 02 3683 95

Third Party Utility Provider: N/ATPS Meter / Acct No: N/A

MONTH OF USE CONSUMPTION KWH TOTAL BILL

Jan-12 90,720 $13,331 Feb-12 79,520 $11,835 Mar-12 81,440 $11,845 Apr-12 88,320 $12,791 May-12 73,120 $10,696 Jun-12 83,360 $11,560 Jul-12 89,058 $22,294

Aug-12 98,271 $21,173 Sep-12 92,129 $0 Oct-12 89,058 $13,049 Nov-12 68,320 $9,331 Dec-12 60,480 $8,818 Totals 993,796 351.5 Max $146,724

AVERAGE DEMAND 213.7 KW averageAVERAGE RATE $0.148 $/kWh

167.2163.2

199.7211.5

157.4351.5275.2278.6233.1

174.7193.8156.2

ELECTRIC USAGE SUMMARY

DEMAND KW



Figure 1 Electricity Usage Profile



Table 2 Natural Gas Billing Data

Utility Provider: Elizabethtown GasRate: General Delivery - Heat

Meter No: 09642269Account No: 9185362671

Third Party Utility Provider: HessTPS Meter No:

MONTH OF USECONSUMPTION

(THERMS) TOTAL BILL

Jan-12 9,340.70 $8,347.14Feb-12 9,015.20 $7,557.45Mar-12 5,679.60 $4,710.96Apr-12 5,703.00 $4,638.51May-12 1,934.80 $1,901.47Jun-12 1,495.10 $1,593.76Jul-12 1,493.60 $1,522.68Aug-12 1,329.10 $1,432.04Sep-12 1,338.20 $1,381.08Oct-12 2,097.80 $2,040.90Nov-12 8,031.30 $7,018.67Dec-12 8,974.80 $7,931.16

TOTALS 56,433.20 $50,075.82

AVERAGE RATE: $0.89 $/THERM

-

NATURAL GAS USAGE SUMMARY



Figure 2 Natural Gas Usage Profile



Table 3 Water and Sewer Billing Data

Utility Provider: Newton Water & SewerMeter No: 21843 / 21836

MONTH OF USECONSUMPTION (1,000 GALLONS) TOTAL BILL

Aug-12 to Oct-12 1,448.60 $24,706.50May-12 to July-12 1,532.60 $26,129.40Feb-12 to Apr-12 1,356.50 $23,140.80Nov-11 to Jan-12 1,338.80 $24,039.90

TOTALS 5,676.50 $98,016.60

AVERAGE RATE: $17.27 $/1000 GAL

WATER USAGE SUMMARY



Figure 3 Water and Sewer Usage Profile



II. FACILITY DESCRIPTION

The Keogh-Dwyer Correctional Facility is located at 41 High Street in Newton, New Jersey. This 38,206 SF facility was built in 1978 with no additions. The building is a five story facility. The facility is mostly comprised of inmate rooms, day rooms, office space, visiting and supervisor rooms, isolation and holding rooms, exercise area, cafeteria, kitchen, storage and mechanical equipment spaces.

Occupancy Profile

The correctional facility is in use 24 hours a day, 7 days a week. There are approximately 25 employees and a maximum of 225 inmates at the facility, but the inmate population can fluctuate.

Building Envelope

Exterior walls for the building are masonry brick faced with a concrete block construction. The windows throughout the facility are in average condition. Typical windows are single pane with aluminum frames. The roof is a 2” stone ballast roof with polystyrene foam which covers a rubber membrane.

HVAC Systems

The Keogh-Dwyer Correctional Facility is conditioned by a hot water and chilled water multi-zone system. Hot water is provided by two Smith 28A-13 boilers, each rated at an input capacity of 4,180 MBH and an output capacity of 3,297 MBH. The boilers were manufactured in the 1995 and are in average condition. The building has three pumps which distribute hot water to the jail population, administration, and kitchen. The hot water pumps are all manufactured by Bell & Gossett. The pump that serves the population is 1.5 HP and is rated for 120 GPM at 25 feet of head. The pump that serves the kitchen is 1 HP and is rated for 55 GPM at 25 feet of head. The pump that serves the administration area is 1 HP and is rated for 40 GPM at 25 feet of head.

The chilled water system consists of two York Model YCAS0100 air-cooled screw chillers with an ARI rated capacity of 100 tons. The unit is rated at 255 GPM at a 10°F supply-return water temperature differential and has an efficiency of 9.6 EER. The chilled water is pumped to various chilled water coils by one (1) Armstrong base-mounted, end-suction, centrifugal pump. The pump has a flow of 360 GPM at 70 feet of TDH and a Marathon 15 HP motor.

Air distribution to the facility is handled by two Trane climate changers, models M-31 and M-41. These air handlers split the air distribution to the main population for the prisoners and the administration area. The administration and population air handling units contain hot water and chilled water coils. A third air handling unit, manufactured by Trane, is designed to provide make-up air to the kitchen area. The kitchen air handling unit only contains hot water coils. The kitchen make-up air unit is rarely utilized.



Exhaust System

The correctional facility contains a power exhaust system located on the roof which exhausts all air from the cell areas.

The kitchen is exhaust by a Dayton 24-1/2 inch spark resistant blower.

The laundry room contains dedicated exhaust, manufactured by Exhausto, for the gas-fired dryers. The exhaust system has two Danfoss variable frequency drives for the dryer exhaust fan.

HVAC System Controls

The building is divided into twelve major zones individually controlled by separate thermostats. Additionally, Parker CTC has a panel in the mechanical room which monitors system status, system temperatures as well as on/off control for fans, pumps and chillers.

There is an Intellidyne fuel economizer for the hot water heating system. Additionally, there are Power Flame burner controls which fully modulate the boiler burners.

Domestic Hot Water

Domestic hot water for the facility is provided by a single A.O. Smith 85 gallon gas-fired hot water heater rated at 500 MBH. The kitchen area is provided domestic hot water by a single A.O. Smith 85 gallon gas-fired hot water heater rated at 500 MBH.

Kitchen Equipment

The kitchen equipment at the facility contains two older walk-in refrigeration boxes and two new walk-in refrigeration boxes. There are an Energy Star rated natural gas fired convection oven, a convection steamer and Vulcan commercial ranges.

Laundry Equipment

The laundry facility contains three Unimac 50 pound max load commercial washing machines and three Unidryer gas commercial drying machines.

Lighting

Refer to the Investment Grade lighting Audit Appendix for a detailed list of the lighting throughout the facility and estimated operating hours per space.



III. MAJOR EQUIPMENT LIST

The equipment list contains major energy consuming equipment that through implementation of energy conservation measures could yield substantial energy savings. The list shows the major equipment in the facility and all pertinent information utilized in energy savings calculations. An approximate age was assigned to the equipment in some cases if a manufactures date was not shown on the equipment’s nameplate. The ASHRAE service life for the equipment along with the remaining useful life is also shown in the Appendix.

Refer to the Major Equipment List Appendix for this facility.



IV. ENERGY CONSERVATION MEASURES Energy Conservation Measures are developed specifically for this facility. The energy savings and calculations are highly dependent on the information received from the site survey and interviews with operations personnel. The assumptions and calculations should be reviewed by the owner to ensure accurate representation of this facility. The following ECMs were analyzed:

Table 4 ECM Financial Summary

ECM #1 General Lighting Upgrade $124,575 $48,801 2.6 487.6%

ECM #2 Lighting Controls Upgrade $760 $86 8.8 69.7%

ECM #3 Exterior Lighting Upgrade $1,650 $776 2.1 605.5%

ECM #4 New Rooftop Units for Cell Areas

$299,498 $10,897 27.5 -45.4%

ECM #5 Variable Primary Chilled Water System

$70,000 $1,461 47.9 -68.7%

ECM #6 Convert Multi-zone 1 to VAV

$132,966 $8,952 14.9 1.0%

ECM #7 High Efficiency Boilers Dual Header

$393,200 $142,189 2.8 804.1%

ECM #8 HVAC-2 Energy Recovery Wheel

$252,507 $3,283 76.9 -80.5%

ECM #9 Chiller Replacement $217,242 $3,984 54.5 -54.2%

ECM #10 Window Film $25,000 $2,815 8.9 68.9%

ECM #11 Ozone Laundry Program $19,000 $7,895 2.4 315.5%

ECM #12 Walk-in Refrigeration Controls

$1,850 $404 4.6 227.6%

ECM #13 Small Scale CHP $300,000 $22,986 13.1 53.2%

ECM #14 Dishwasher Replacement $19,300 $881 21.9 -54.4%

REM #1 308.4 kW PV System $1,469,368 $104,834 14.0 7.0%

Notes:

ECM NO. DESCRIPTION

SIMPLE PAYBACK

(Yrs)

SIMPLE LIFETIME

ROI

ENERGY CONSERVATION MEASURES (ECM's)

NET INSTALLATION

COSTA

RENEWABLE ENERGY MEASURES (REM's)

ECM NO. DESCRIPTION

NET INSTALLATION

COST

ANNUAL SAVINGSB

ANNUAL SAVINGS

SIMPLE PAYBACK

(Yrs)

SIMPLE LIFETIME

ROI

A. Cost takes into consideration applicable NJ Smart StartTM incentives.B. Savings takes into consideration applicable maintenance savings.



Table 5 ECM Energy Summary

ECM #1 General Lighting Upgrade 39.9 329,738 0 0

ECM #2 Lighting Controls Upgrade 0.0 583 0 0

ECM #3 Exterior Lighting Upgrade 1.2 5,240 0 0


42.0 22,774 8,457 0


0.0 11,596 0 0


0.0 22,497 6,317 0


0.0 9,131 4,890 0


28.0 -20,925 7,168 0

ECM #9 Chiller Replacement 23.0 26,920 0 0

ECM #10 Window Film 5.0 16,452 427 0

ECM #11 Ozone Laundry Program 0.0 591 5,982 0


0.0 2,731 0 0

ECM #13 Small Scale CHP 0.0 465,675 -29,181 0

ECM #14 Dishwasher Replacement 0.0 2,176 205 22,000

REM #1 308.4 kW PV System 308.4 350,026 0 0

NATURAL GAS (THERMS)

ELECTRIC DEMAND

(KW)

ELECTRIC CONSUMPTION

(KWH)


NATURAL GAS (THERMS)

ELECTRIC CONSUMPTION

(KWH)

ECM NO. DESCRIPTION

ECM NO. DESCRIPTION ELECTRIC

DEMAND (KW)

RENEWABLE ENERGY MEASURES (REM's)ANNUAL UTILITY REDUCTION

ANNUAL UTILITY REDUCTION

WATER (GALLONS)

WATER (GALLONS)



Table 6 ECM Emissions Summary

ECM #1 General Lighting Upgrade 501,202 923 2,143

ECM #2 Lighting Controls Upgrade 886 2 4

ECM #3 Exterior Lighting Upgrade 7,965 15 34


133,563 142 148


17,626 32 75


108,104 121 146


71,092 71 59


52,060 7 (136)

ECM #9 Chiller Replacement 40,918 75 175

ECM #10 Window Film 30,003 50 107

ECM #11 Ozone Laundry Program 70,888 57 4


4,151 8 18

ECM #13 Small Scale CHP 366,404 1,035 3,027

ECM #14 Dishwasher Replacement 5,706 8 14

Notes:


ECM NO. DESCRIPTION

GREENHOUSE GAS EMISSIONS REDUCTION

CO2

EMISSIONS (LBS)

NOX

EMISSIONS (LBS)

SO2

EMISSIONS (LBS)

A. Emissions Reduction based on NJCEP published factors for electric & gas.



Table 7 Facility Project Summary

Note the measure totals in this table do not take into account interactive effects of measures; see Method of Analysis Section III in Executive Report for further explanation.

ECM #8 HVAC 2 Energy Recovery Wheel energy savings and scope conflict with ECM #4 New Rooftop units, and are not additive; therefore ECM #8 was removed from the totals above to more accurately reflect a combined project total.

The facility peak electrical demand and total project savings meet the qualifications for the Pay for Performance Program. If the owner were to pursue this program option they would receive an estimated $149,945 in incentive dollars, see the Installation Funding Options Section for more detail.

General Lighting Upgrade $48,801 $124,875 $300 $124,575 2.6

Lighting Controls Upgrade $86 $800 $40 $760 8.8

Exterior Lighting Upgrade $776 $2,100 $450 $1,650 2.1

New Rooftop Units for Cell Areas

$10,897 $302,500 $3,002 $299,498 27.5

Variable Primary Chilled Water System

$1,461 $70,000 $0 $70,000 47.9

Convert Multi-zone 1 to VAV

$8,952 $134,166 $1,200 $132,966 14.9

High Efficiency Boilers Dual Header

$142,189 $400,000 $6,800 $393,200 2.8

HVAC-2 Energy Recovery Wheel

$3,283 $252,507 $0 $252,507 76.9

Chiller Replacement $3,984 $224,728 $7,486 $217,242 54.5

Window Film $2,815 $25,000 $0 $25,000 8.9

Ozone Laundry Program $7,895 $19,000 $0 $19,000 2.4

Walk-in Refrigeration Controls

$404 $2,000 $150 $1,850 4.6

Small Scale CHP $22,986 $400,000 $100,000 $300,000 13.1

Dishwasher Replacement $881 $20,000 $700 $19,300 21.9

Total Project $229,142 $1,325,169 $20,128 $1,305,041 5.7

FACILITY PROJECT SUMMARY TABLE

ENERGY CONSERVATION

MEASURES

ANNUAL ENERGY

SAVINGS ($)

PROJECT COST ($)

CUSTOMER COST

SIMPLE PAYBACK

SMART START

INCENTIVES



ECM #1: Lighting Upgrade – General Description: The majority of the interior lighting throughout Keogh-Dwyer Correctional Facility is provided with fluorescent fixtures with older generation, 32W T8 lamps and electronic ballasts. In addition to the fluorescent tube lamps there are additional fixture types consisting of metal halide lamps, compact fluorescent lamps and incandescent lamps. These can be retrofitted to LED style lamps. This ECM includes retrofitting the interior lighting with new LED type lamps and fixtures. It is recommended the County consult with a professional engineer prior to retrofitting fixtures to ensure code required minimum light levels will be met. Energy Savings Calculations: The Investment Grade Lighting Audit Appendix outlines the hours of operation, proposed retrofits, costs, savings, and payback periods for each set of fixtures in the each building.

DESCRIPTION SAVINGSElectric Demand Savings (kW) 39.9Electric Usage Savings (kWh) 329,738Electric Cost Savings ($) $48,801

LIGHTING UPGRADE SAVINGS SUMMARY



Energy Savings Summary:

Installation Cost ($): $124,875NJ Smart Start Equipment Incentive ($): $300Net Installation Cost ($): $124,575Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $48,801Total Yearly Savings ($/Yr): $48,801Estimated ECM Lifetime (Yr): 15Simple Payback 2.6Simple Lifetime ROI 487.6%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $732,015Internal Rate of Return (IRR) 39%Net Present Value (NPV) $458,008.17

ECM #1 - ENERGY SAVINGS SUMMARY



ECM #2: Lighting Controls Upgrade – Occupancy Sensors Description: Some of the lights in the Keogh-Dwyer Correctional Facility are left on unnecessarily. In many cases the lights are left on because of the inconvenience to manually switch lights off when a room is left or on when a room is first occupied. This is common in rooms that are occupied for only short periods and only a few times per day. In some instances lights are left on due to the misconception that it is better to keep the lights on rather than to continuously switch lights on and off. Although increased switching reduces lamp life, the energy savings outweigh the lamp replacement costs. The payback timeframe for when to turn the lights off is approximately two minutes. If the lights are expected to be off for at least a two minute interval, then it pays to shut them off.

Lighting controls come in many forms. Sometimes an additional switch is adequate to provide reduced lighting levels when full light output is not needed. Occupancy sensors detect motion and will switch the lights on when the room is occupied. Occupancy sensors can either be mounted in place of a current wall switch, or on the ceiling to cover large areas. The U.S. Department of Energy sponsored a study to analyze energy savings achieved through various types of building system controls. The referenced savings is based on the “Advanced Sensors and Controls for Building Applications: Market Assessment and Potential R&D Pathways,” document posted for public use April 2005. The study has found that commercial buildings have the potential to achieve significant energy savings through the use of building controls. The average energy savings are as follows based on the report:

• Occupancy Sensors for Lighting Control 20% - 28% energy savings.

Savings resulting from the implementation of this ECM for energy management controls are estimated to be 20% of the total light energy controlled by occupancy sensors. This ECM includes installation of ceiling or switch mount sensors for staff offices, storage, and staff restrooms. Sensors shall be manufactured by Sensorswitch, Watt Stopper or equivalent. The Investment Grade Lighting Audit Appendix of this report includes the summary of lighting controls implemented in this ECM and outlines the proposed controls, costs, savings, and payback periods. The calculations adjust the lighting power usage by the applicable percent savings for each area that includes lighting controls. Energy Savings Calculations:

( )( )kWh/YrEnergyLightControlledSavings%SavingsEnergy ×=

( )

×=

kWh$CostElecAvekWhSavingsEnergySavings.



Rebates and Incentives:

From the NJ Smart Start® Program Incentives Appendix, the installation of a lighting control device warrants the following incentive: Smart Start Incentive

= (# Wall mount sensors × $20 per sensor)+ (# Ceiling mount sensors × $35 per sensor)


DESCRIPTION SAVINGSElectric Demand Savings (kW) 0.0Electric Usage Savings (kWh) 583Electric Cost Savings ($) $86

LIGHTING CONTROLS SAVINGS SUMMARY

Installation Cost ($): $800NJ Smart Start Equipment Incentive ($): $40Net Installation Cost ($): $760Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $86Total Yearly Savings ($/Yr): $86Estimated ECM Lifetime (Yr): 15Simple Payback 8.8Simple Lifetime ROI 69.7%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $1,290Internal Rate of Return (IRR) 7%Net Present Value (NPV) $266.66




ECM #3: Lighting Upgrade – Exterior Lighting Description: The exterior lighting at Keogh-Dwyer Correctional Facility is currently lit by metal halide fixtures. The exterior would be better served with more efficient LED lighting system. Concord Engineering recommends upgrading the lighting to an energy-efficient LED lighting system that includes LED lamps and fixtures for the existing exterior lighting. This ECM would replace the existing exterior lamps and fixtures with equivalent LED lamps and fixtures. Energy Savings Calculations: A detailed Investment Grade Lighting Audit can be found in Investment Grade Lighting Audit Appendix that outlines the proposed retrofits, costs, savings, and payback periods.


DESCRIPTION SAVINGSElectric Demand Savings (kW) 1.2Electric Usage Savings (kWh) 5,240Electric Cost Savings ($) $776

LIGHTING UPGRADE SAVINGS SUMMARY

Installation Cost ($): $2,100NJ Smart Start Equipment Incentive ($): $450Net Installation Cost ($): $1,650Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $776Total Yearly Savings ($/Yr): $776Estimated ECM Lifetime (Yr): 15Simple Payback 2.1Simple Lifetime ROI 605.5%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $11,640Internal Rate of Return (IRR) 47%Net Present Value (NPV) $7,613.84




ECM #4: New Rooftops for Cell Areas

Description:

The Keogh-Dwyer Correctional Facility has two multi-zone air handling units which serve the majority of the facility. Air handler #2 serves the cell areas and an alternative to utilizing the older air handling unit to condition these spaces, placing a high efficiency rooftop unit with energy recovery to condition the cell areas can provide significant energy savings for the facility. By shifting load from air handling unit #2 onto a newer and more efficient packaged rooftop unit, the boilers and chillers will operate at a reduced load and runtime hours, resulting in a reduction in overall energy being used at the facility. This ECM includes installation of one high efficiency rooftop unit with an energy recovery wheel that will redistribute the load for the cell areas from the existing multi-zone units to the new high efficiency rooftop. The existing ductwork will require extensive work to complete the installation of the new rooftop unit. The manufacturer used as the basis for the calculation is Aaon. The unit pricing and install cost were estimated based on dealer rates quotes and labor rates. The payback may change based on actual unit pricing and install costs if the ECM is implemented. Note: Concord Engineering recommends a full engineering evaluation on the existing and future HVAC systems be conducted to further define system parameters and technical design. Furthermore if the County determines this is a viable option to implement, reductions in boiler and chiller capacity due to load shifting to the rooftops will lower the costs for those recommendations. Energy Savings Calculations: Savings Calculations were calculated utilizing energy modeling software, Trane Trace 700 version 6.2.8.3, to compare the existing conditions to the alternative energy conservation measure. The model was built using existing information collected and provided by the owner regarding lighting power density, occupancy profiles, HVAC information, and available floor plans.

SAVINGS42

22,7748,457

$10,897

ENERGY MODEL SAVINGSDESCRIPTION

Electric demand Savings (kW)Electric Usage Savings (kWh)Natural Gas Usage Savings (Therms)Total Cost Savings ($)




Installation Cost ($): $302,500NJ Smart Start Equipment Incentive ($): $3,002Net Installation Cost ($): $299,498Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $10,897Total Yearly Savings ($/Yr): $10,897Estimated ECM Lifetime (Yr): 15Simple Payback 27.5Simple Lifetime ROI -45.4%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $163,455Internal Rate of Return (IRR) -7%Net Present Value (NPV) ($169,410.32)




ECM #5: Variable Primary Chilled Water System Description: The Chilled Water System at Keogh-Dwyer Correctional Facility is currently outfitted with a single constant volume 15 horsepower pump. The installation of variable speed drives will not only provide soft start capability on the pump system, but also allow the pumps to vary the flow based on chilled water demand in the system. Additionally, by installing a secondary pump for back-up, the amount of load hours being placed on one pump will be reduced increasing the lifetime of the pump. This ECM includes installation of two variable frequency drives with differential pressure controls as well as installing a secondary pump for a variable primary system. The VFD will be wired to both the primary and backup pump as only one is required to operate at a time. Both chilled water pump motors will be new premium efficiency invert duty rated motors.

Energy Savings Calculations:

Pump Power HP =FlowGPM × Headft−hd.

3650 × ηPump × ηmotor

Energy Consumption (kWh) = Motor HP × 0.746kWHP

× Hours of operation (Hr) ×1

ηmotor

Total Energy Consumption (kWh) = �Energy Consumption of Each Motor

Energy Cost ($) = Total Comsumption(kWh) × Average Cost of Electric �$

kWh�

Affinity Laws are used in order to calculate energy savings by calculating the reduced power consumption requirement based a reduction in flow. Affinity laws, are as following: Q = Flow, n = RPM, p = total pressure Q2

Q1=

n2n1

p2p1

= �n2n1�2

HP2HP1

= �n2n1�3



Operating Profile:

ECM INPUTS EXISTING PROPOSED SAVINGSECM INPUTS CV Pumps VFD Pumps

Flow Control Throttle VFD -

Motor Nameplate HP 15.0 15.0

Flow (GPM) 360 360 -

Head (Ft) 70 70 -

Pump Efficiency (%) 65.0% 65.0% -

Motor Efficiency (%) 91.0% 94.5% 3.5%

Operating Hrs 2920 2920 -

Estimated Power (HP) 10.8 10.4 0.40

Elec Cost ($/kWh) 0.126 0.126 -

ECM RESULTS EXISTING PROPOSED SAVINGS

Electric Energy (kWh) 25,753 14,157 11,596

Electric Energy Cost ($) $3,245 $1,784 $1,461

CHILLER WATER PUMPS VFD CALULATION

ENERGY SAVINGS CALCULATIONS

COMMENTS:




Installation Cost ($): $70,000NJ Smart Start Equipment Incentive ($): $0Net Installation Cost ($): $70,000Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $1,461Total Yearly Savings ($/Yr): $1,461Estimated ECM Lifetime (Yr): 15Simple Payback 47.9Simple Lifetime ROI -68.7%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $21,916Internal Rate of Return (IRR) -12%Net Present Value (NPV) ($52,557.79)




ECM #6: Convert Multi-zone unit to VAV Description: The Keogh-Dwyer Correctional facility has two Trane Climate Changer multi-zone air handling units. After evaluating the overall HVAC system, MZ-1 is the only viable candidate for converting the multi-zone unit to a variable air volume system. Installing variable air volume terminal boxes into MZ-1 duct system will better aid the system’s overall controllability. This ECM includes installation of a variable air volume system for MZ-1. Included in this installation would be a variable speed drive and premium efficient motor for the air handling unit as well as VAV boxes, controls, and room sensors. Additionally, the existing multi-zone dampers and control operators would need to be removed from the existing unit. Energy Savings Calculations: Savings Calculations were calculated utilizing energy modeling software, Trane Trace 700 version 6.2.8.3, to compare the existing conditions to the alternative energy conservation measure. The model was built using existing information collected and provided by the owner regarding lighting power density, occupancy profiles, HVAC information, and available floor plans.

SAVINGS(7)

22,4976,317$8,952






Installation Cost ($): $134,166NJ Smart Start Equipment Incentive ($): $1,200Net Installation Cost ($): $132,966Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $8,952Total Yearly Savings ($/Yr): $8,952Estimated ECM Lifetime (Yr): 15Simple Payback 14.9Simple Lifetime ROI 1.0%Simple Lifetime Maintenance Savings 0Simple Lifetime Savings $134,280Internal Rate of Return (IRR) 0%Net Present Value (NPV) ($26,097.86)




ECM #7: High Efficiency Boilers Description: There are two existing Smith hot water boilers which are used as the primary source of heat for Keogh-Dwyer Correctional Facility. These boilers serve three main air handling units and perimeter baseboard for the entire facility. The boilers are currently operating on a single header system. The Smith boilers are approximately 19 years old and have not yet surpassed their life expectancy of a typical cast-iron boiler but considering the system can be split into a dual header system without extensive rework of the system, the savings of new high efficiency hot water condensing boilers can be significant. New condensing boilers could substantially improve the operating efficiency of the heating system of the building. Condensing boiler’s peak efficiency tops out at 99% depending on return water temperature. Due to the operating conditions of the building, the annual average operating efficiency of the proposed condensing boiler is expected to be 92%. The existing boiler’s efficiency is approximately 75%, which makes the condensing boilers an 17% increase in efficiency. This ECM is based on variable supply water temperature adjusted based on outdoor temperature. This ECM includes installation of two condensing gas fired boilers to replace the existing Smith boilers. Additionally, removing the single header and installing a dual header system will require piping modifications in the boiler room. Removing the system off a single header and installing a dual header will allow for significant maintenance savings. The basis for this ECM is Aerco condensing boiler; model number BMK – 1.5.

Note: Concord Engineering recommends a full engineering evaluation on the existing and future boiler system to verify equipment sizes and system design parameters. Energy Savings Calculations: Savings Calculations were calculated utilizing energy modeling software, Trane Trace 700 version 6.2.8.3, to compare the existing conditions to the alternative energy conservation measure. The model was built using existing information collected and provided by the owner regarding lighting power density, occupancy profiles, HVAC information, and available floor plans.

SAVINGS0

9,1314,890$5,703






Note: The extensive maintenance savings for this ECM can be attributed to a revised shift schedule at the Keogh-Dwyer Correctional Facility. With the installation of new boilers and a new header arrangement along with the ability to better control newer boilers, there is no need for a 24 hour on-site boiler operator at the facility. According to facility management, the maintenance savings listed are for removing the 24 hour boiler operator.

Installation Cost ($): $400,000NJ Smart Start Equipment Incentive ($): $6,800Net Installation Cost ($): $393,200Maintenance Savings ($/Yr): $136,486Energy Savings ($/Yr): $5,703Total Yearly Savings ($/Yr): $142,189Estimated ECM Lifetime (Yr): 25Simple Payback 2.8Simple Lifetime ROI 804.1%Simple Lifetime Maintenance Savings $3,412,150Simple Lifetime Savings $3,554,725Internal Rate of Return (IRR) 36%Net Present Value (NPV) $2,082,758.06




ECM #8: Energy Recovery Wheel for MZ-2 Description: The Keogh-Dwyer Correctional facility has two Trane Climate Changer multi-zone air handling units. After evaluating the overall HVAC system, MZ-2 is the only viable candidate for upgrading to energy recovery. Installing energy recovery for the existing multi-zone unit will allow recycling of energy from exhaust and return air which can save a significant amount of energy for this unit’s operation. This ECM includes installation of a new energy recovery unit for MZ-2. The exhaust system that corresponds with the areas that MZ-2 serves will be removed and consolidated for connection to the new energy recovery unit. New ductwork will be required to connect the energy recovery unit on the roof to the outdoor air intake of MZ-2 in the mechanical room. Energy Savings Calculations: Savings Calculations were calculated utilizing energy modeling software, Trane Trace 700 version 6.2.8.3, to compare the existing conditions to the alternative energy conservation measure. The model was built using existing information collected and provided by the owner regarding lighting power density, occupancy profiles, HVAC information, and available floor plans.

SAVINGS28

(20,925)7,168$3,283






Installation Cost ($): $252,507NJ Smart Start Equipment Incentive ($): $0Net Installation Cost ($): $252,507Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $3,283Total Yearly Savings ($/Yr): $3,283Estimated ECM Lifetime (Yr): 15Simple Payback 76.9Simple Lifetime ROI -80.5%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $49,245Internal Rate of Return (IRR) -16%Net Present Value (NPV) ($213,314.26)




ECM #9: Chiller Replacement Description: The Keogh-Dwyer Correctional facility has two 100 ton air-cooled chillers outside which serve two large Trane, Climate Changer air handling units that condition the entirety of the correctional facility. Based on the loads for the building, it is assumed that these chillers operate with 100% redundancy. The chillers have not yet passed their useful lives but could be replaced with much more efficient chillers up to today’s standards. This ECM includes the installation of one new high efficiency air cooled chiller while continuing to utilize the existing chiller as backup. The chiller is based on a 100 ton York Model YLA0101. As an alternative Concord investigated the potential to add ice storage to the system to reduce electrical demand and chiller load during peak daytime periods at the facility. Based on discussions with the manufacturers’ for the ice storage system and existing chillers, significant changes to the overall chilled water system would be required including a new chiller capable of making ice. Given the size of the cooling system, and no time of use rate structures the resultant savings would be minimal along with a high installation cost, therefore this measure was not further analyzed. Energy Savings Calculations: Savings Calculations were calculated utilizing energy modeling software, Trane Trace 700 version 6.2.8.3, to compare the existing conditions to the alternative energy conservation measure. The model was built using existing information collected and provided by the owner regarding lighting power density, occupancy profiles, HVAC information, and available floor plans.

SAVINGS23

26,9200

$3,984






Installation Cost ($): $224,728NJ Smart Start Equipment Incentive ($): $7,486Net Installation Cost ($): $217,242Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $3,984Total Yearly Savings ($/Yr): $3,984Estimated ECM Lifetime (Yr): 25Simple Payback 54.5Simple Lifetime ROI -54.2%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $99,600Internal Rate of Return (IRR) -5%Net Present Value (NPV) ($147,867.52)




ECM #10: Window Film Description: The majority of the facility envelope consists of single pane windows. The windows account for significant energy use through leakage heat loss and conductive heat loss. The age and condition of the windows contribute to the leakage rate of the building. The single pane construction allows higher thermal (conductive) energy loss. These factors lead to increased energy use in the heating season. The heating loss due to single pane glass is combined with heat loss due to poor seals at each operable window. Retrofitting the existing windows with a thermal barrier for energy efficiency aimed at high heat rejection and high light transmission. This ECM includes the retrofit of all single pane glass in the facility with Hüper Optik commercial window film. These technologies create a more comfortable environment while reducing HVAC consumption.

Energy Savings Calculations: Savings Calculations were calculated utilizing energy modeling software, Trane Trace 700 version 6.2.8.3, to compare the existing conditions to the alternative energy conservation measure. The model was built using existing information collected and provided by the owner regarding lighting power density, occupancy profiles, HVAC information, and available floor plans.

SAVINGS5

16,452427

$2,815






Installation Cost ($): $25,000NJ Smart Start Equipment Incentive ($): $0Net Installation Cost ($): $25,000Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $2,815Total Yearly Savings ($/Yr): $2,815Estimated ECM Lifetime (Yr): 15Simple Payback 8.9Simple Lifetime ROI 68.9%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $42,225Internal Rate of Return (IRR) 7%Net Present Value (NPV) $8,605.29




ECM #11: Commercial Laundry Ozone Program Description: The Keogh-Dwyer Correctional Facility has a moderate commercial laundry facility. The laundry equipment is older and energy intensive and thus an ozone laundry system is recommended for the facility. Ozone enhances laundry detergent action at lower water temperatures and will allow the laundry to wash significant portions of the correctional facility’s linens in cool water, while also reducing the need for laundry detergents and chemicals. This ECM includes installation of three Nutek NT-400 Ozone laundry support systems.

Energy Savings Calculations: Energy savings for this measure were calculated using Delclean Ozone laundry program. See Appendix Ozone Laundry Savings Summary for assumptions and results. Energy Savings Summary:

Installation Cost ($): $19,000NJ Smart Start Equipment Incentive ($): $7,410Net Installation Cost ($): $11,590Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $10,004Total Yearly Savings ($/Yr): $10,004Estimated ECM Lifetime (Yr): 10Simple Payback 1.2Simple Lifetime ROI 763.2%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $100,040Internal Rate of Return (IRR) 86%Net Present Value (NPV) $73,746.15




ECM #12: Walk-In Controls Description: The Keogh-Dwyer Correctional Facility has two walk-in coolers/freezers that store food for the kitchen. Each box has an evaporator with fans to circulate cold air, two in the refrigerator, and two in the freezer. These fans operate continuously whether the compressor is on or off resulting in unnecessary heat buildup in the box due to the fan motors. This measure would install an evaporator fan controller and EC Motors that features two-speed operation of the evaporator fans – high speed during cooling and low speed or off when not cooling manufactured by Frigitek or equivalent. Energy Savings Calculations: Energy savings calculations are based on New Jersey Board of Public Utilities Protocols to Measure Resource Savings. The energy savings are calculated using existing equipment characteristics.

kWh Savings Evap Fans =�Amps × Volts × Phase

12�

1000 × 0.55 × 8760 × 35.52%

kWh Savings Evap Reduced Heat = kWh Savings Evap Fans × 0.28 × 1.6 kWh Savings Controls

=AmpsCP × VoltsCP × PhaseCP

12

1000 × 0.85

× (35% × 2,195 Hrs + 55% × 6,565 Hrs)

+ AmpsEF × VoltsEF × PhaseEF

12

1000 × 0.55 × 8760 × 35.52% × 5%

Evaporator Fan Motor Power Factor 0.55ConversIon kW to ton (Refrigeration) 0.28Efficiency of Typical System (kW/ton) 1.6Compressor Power Factor 0.85Compressor Winter Runtime 2195Compressor Winter Duty Cycle 35%Compressor Non-Winter Runtime 6565Compressor Non-Winter Duty Cycle 55%Reduced Runtime due to Controls 5%Percent Time Evaporator is Turned Off 35.52%

CALCULATION CONSTANTS



ECM INPUTS EXISTING PROPOSED SAVINGSECM INPUTS No Controller Frigitek Controller

Qty of Evaporator Fans 2 2

Nameplate Amps of Evap Fan 1.8 1.8

Nameplate Volts of Evap Fan 115 115

Phase of Evap Fan 1 1

Nameplate Amps of Compressor

6.0 6.0

Nameplate Volts of Compressor

208 208

Phase of Compressor 3 3

Elec Cost ($/kWh) $0.148 $0.148


Evaporator Fan Usage (KWH) 1,995 1,286 709

Evap Fan Heat Usage (KWH) 447 288 159

Compressor Usage (KWH) 8,046 7,644 402

Total Electric Usage (KWH) 10,487 9,218 1,269

Electric Cost ($) $1,552 $1,364 $188

COMMENTS:

WALK-IN COOLER/FREEZER EVAPORATOR FAN CONTROL


Walk-In #1



ECM INPUTS EXISTING PROPOSED SAVINGSECM INPUTS No Controller Frigitek Controller

Qty of Evaporator Fans 2 2

Nameplate Amps of Evap Fan 1.1 1.1

Nameplate Volts of Evap Fan 230 230

Phase of Evap Fan 1 1

Nameplate Amps of Compressor

6.0 6.0

Nameplate Volts of Compressor

208 208

Phase of Compressor 3 3

Elec Cost ($/kWh) $0.148 $0.148


Evaporator Fan Usage (KWH) 2,438 1,572 866

Evap Fan Heat Usage (KWH) 546 352 194

Compressor Usage (KWH) 8,046 7,644 402

Total Electric Usage (KWH) 11,030 9,568 1,462

Electric Cost ($) $1,632 $1,416 $216

COMMENTS:

WALK-IN COOLER/FREEZER EVAPORATOR FAN CONTROL


Walk-In #2




Installation Cost ($): $2,000NJ Smart Start Equipment Incentive ($): $150Net Installation Cost ($): $1,850Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $404Total Yearly Savings ($/Yr): $404Estimated ECM Lifetime (Yr): 15Simple Payback 4.6Simple Lifetime ROI 227.6%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $6,060Internal Rate of Return (IRR) 21%Net Present Value (NPV) $2,972.93




ECM #13: 100 kW Combined Heat and Power Description: Combined heat and power, or cogeneration is the simultaneous production of two useful forms of energy (electricity and thermal) from a single fuel source. The standard CHP system is comprised of a prime mover (reciprocating engine or turbine generator) and a heat recovery unit. The heat recovery unit utilizes the waste and exhaust heat from the prime mover to produce hot water or steam. The hot water or steam can in turn be utilized to produce chilled water. In some cases the prime mover exhaust can be directly vented into an absorption chiller, which will produce chilled water without the need for a heat recovery unit.

Depending on the design and application CHP systems can have total efficiencies of 70% to 90%. This is much higher than the traditional utility grid generation with simple cycle generators (25% to 45%) and combined cycle power plants (50% to 60%) due to the more complete utilization of the exhaust and/or waste heat from the prime mover. The higher efficiency of CHP can result in significant energy cost savings. In addition the higher fuel efficiency results in lower emissions per unit of power produced compared to traditional electrical and steam generating units.

The efficiency and cost savings of CHP systems depend on the complete use of the exhaust thermal energy from the prime mover. The economics of CHP are very sensitive to the thermal energy production and consumption. If the prime mover exhaust thermal energy cannot be completely used, the system efficiency is reduced, which will negatively impact the project lifecycle cost and payback. Therefore when examining a potential CHP system it is important to consider the thermal load profiles first and then review the electrical profiles.

After review of the facility’s existing thermal load it was determined that only a small combined heat and power plant could be installed on site that would operate at peak efficiency. The analysis assumes the plant will operate from year round at an availability of 92%, which takes into account periodic downtime for maintenance. Based on the load information we recommend the installation of one TeCogen 100 kW engine. The proposed plant will recover the waste engine heat and utilize it for domestic hot water and building space heating/reheating. The installation will include the necessary heat exchangers, electrical interconnection equipment, and radiator. Energy Savings Calculations: See Appendix for Combined Heat and Power Analysis. Incentives for this measure are based on current NJ Clean Energy CHP Incentive Program.




Electric Usage, kWh 993,796Natural Gas Usage, Th 56,433Total Energy Cost $196,757

Electric Usage, kWh 528,121Natural Gas Usage, Th 85,615Total Energy Cost $153,916

Savings $42,841

EXISTING ENERGY COST W/OUT CHP

PROPOSED ENERGY COST W/ CHP

Installation Cost ($): $400,000NJ Smart Start Equipment Incentive ($): $100,000Net Installation Cost ($): $300,000Maintenance Savings ($/Yr): ($19,855)Energy Savings ($/Yr): $42,841Total Yearly Savings ($/Yr): $22,986Estimated ECM Lifetime (Yr): 20Simple Payback 13.1Simple Lifetime ROI 53.2%Simple Lifetime Maintenance Savings ($397,100)Simple Lifetime Savings $459,720Internal Rate of Return (IRR) 4%Net Present Value (NPV) $41,973.64




ECM #14: Kitchen Dishwasher Replacement

Description: The kitchen at the Keogh-Dwyer Correctional Facility has a dated Champion door type dishwasher model D-LFM5 (No tag could be found during time of survey, though the existing unit is presumed to be aforementioned model). As dishwasher’s age, they become less efficient due to dirt build up in water lines, nozzles, and sprayers. An inefficient dishwasher not only increases water costs to operate, but also water heating costs to operate. Newer more efficient dishwashers with optimum rinse technology, energy recovery, and water recycling and reuse capability can significantly decrease the operating costs. This ECM includes replacing the Champion dishwasher with a similar type manufactured by Champion model DH5000. The new model is energy star rated and has a consumption rate of 30 gallons per hour. Energy Savings Calculations:

Water Usage (Gal) = Washer �GalHr

� × Use �HrWk

� × �WkYr�

Primary HW Heat (BTU)

= Water Usage (Gal) × Prim Temp Rise (°F) × 8.33 �lbsGal

� × 1.0 �BTU

lb × °F�

Booster HW Heat (BTU)

= Water Usage (Gal) × Bstr Temp Rise (°F) × 8.33 �lbsGal

� × 1.0 �BTU

lb × °F�

Primary Energy Usage =Primary HW Heat (BTU)

HWH Eff. (%) × Fuel Conversion �BTUUnit�

Booster Energy Usage =Booster HW Heat (BTU)

HWH Eff. (%) × Fuel Conversion �BTUUnit�



ECM INPUTS EXISTING PROPOSED SAVINGSECM INPUTS D-LFM5 DH5000Estimated Dish Washer Use (Gal/Hr)

50.0 30.0 20

Dish Washer Use (Hr/Week) 21 21

Dish Washer Use (Week/Yr) 52 52

Primary Temp Rise (°F) 90 90

Booster Temp Rise (°F) 40 40

Dom. HWH Efficiency (%) 80% 80%

Booster HWH Efficiency (%) 98% 98%

Primary HW Heat Required (kBTUs)

40,934 24,560 16,373

Booster HW Heat Required (kBTUs)

18,193 10,916 7,277

Elec Cost ($/kWh) $0.148 $0.148

Gas Cost ($/Therm) $0.89 $0.89

Water Cost ($/1,000 Gal) $17.27 $17.27


Electric Usage (kWh) 5,439 3,264 2,176

Natural Gas Usage (therm) 512 307 205

Water Usage (1,000 Gal) 55 33 22

Total Energy Cost ($) $2,203 $1,322 $881

COMMENTS:

DISHWASHER REPLACEMENT CALCULATIONS





Installation Cost ($): $20,000NJ Smart Start Equipment Incentive ($): $700Net Installation Cost ($): $19,300Maintenance Savings ($/Yr): $0Energy Savings ($/Yr): $881Total Yearly Savings ($/Yr): $881Estimated ECM Lifetime (Yr): 10Simple Payback 21.9Simple Lifetime ROI -54.4%Simple Lifetime Maintenance Savings $0Simple Lifetime Savings $8,810Internal Rate of Return (IRR) -12%Net Present Value (NPV) ($11,784.89)




REM #1: 308.4 kW Solar System Description: The Keogh-Dwyer Correctional Facility has available roof and parking space that could accommodate solar arrays. Based on the available area a 308.4 kilowatt solar array could be installed. The array will produce approximately 350,026 kilowatt-hours annually that will reduce the overall electric usage of the facility by 35.22%. The owner should consult a structural engineer prior to installing any solar array to insure the roof can accommodate the additional weight. Energy Savings Calculations: See Renewable / Distributed Energy Measures Calculations Appendix for detailed financial summary and proposed solar layout areas. Financial results in table below are based on 100% financing of the system over a fifteen year period. Energy Savings Summary:

System Size (KWDC): 308.40Electric Generation (KWH/Yr): 350,026Installation Cost ($): $1,469,368SREC Revenue ($/Yr): $53,030Energy Savings ($/Yr): $51,804Total Yearly Savings ($/Yr): $104,834ECM Analysis Period (Yr): 15Simple Payback (Yrs): 14.0

Analysis Period Electric Savings ($): $963,495

Analysis Period SREC Revenue ($): $768,206Net Present Value (NPV) ($378,402.02)

REM #1 - ENERGY SAVINGS SUMMARY



V. ADDITIONAL RECOMMENDATIONS The following recommendations include no cost/low cost measures, Operation & Maintenance (O&M) items, and water conservation measures with attractive paybacks. These measures are not eligible for the Smart Start Buildings incentives from the office of Clean Energy but save energy none the less.

A. Chemically clean the condenser and evaporator coils periodically to optimize efficiency. Poorly maintained heat transfer surfaces can reduce efficiency 5-10%.

B. Maintain all weather stripping on windows and doors.

C. Clean all light fixtures to maximize light output.

D. Provide more frequent air filter changes to decrease overall system power usage and maintain better IAQ.

E. Turn off computers when not in use. Ensure computers are not running in screen saver mode.

F. Replace any old CRT Monitors with LED/LCD Type Monitors, which can draw as much as a quarter the power of an equivalent CRT monitor.

G. Ensure outside air dampers are functioning properly and only open during occupied mode.


Appendix Energy Audit

Concord Engineering Group, Inc.

APPENDIX A

APPENDIX A1 of 1

LIFETIME ENERGY SAVINGS

LIFETIME MAINTENANCE

SAVINGSLIFETIME ROI SIMPLE PAYBACK INTERNAL RATE OF

RETURN (IRR)NET PRESENT VALUE

(NPV)

MATERIAL LABOR REBATES, INCENTIVES

NET INSTALLATION

COSTENERGY MAINT. / SREC TOTAL (Yearly Saving * ECM Lifetime)

(Yearly Maint Svaing * ECM Lifetime)

(Lifetime Savings - Net Cost) / (Net Cost) (Net cost / Yearly Savings)

($) ($) ($) ($) ($/Yr) ($/Yr) ($/Yr) (Yr) ($) ($) (%) (Yr) ($) ($)

ECM #1 General Lighting Upgrade $68,545 $56,330 $300 $124,575 $48,801 $0 $48,801 15 $732,015 $0 487.6% 2.6 38.89% $458,008.17

ECM #2 Lighting Controls Upgrade $400 $400 $40 $760 $86 $0 $86 15 $1,290 $0 69.7% 8.8 7.48% $266.66

ECM #3 Exterior Lighting Upgrade $1,200 $900 $450 $1,650 $776 $0 $776 15 $11,640 $0 605.5% 2.1 46.88% $7,613.84

ECM #4 New Rooftop Units for Cell Areas $139,000 $163,500 $3,002 $299,498 $10,897 $0 $10,897 15 $163,455 $0 -45.4% 27.5 -6.76% ($169,410.32)

ECM #5 Variable Primary Chilled Water System $45,000 $25,000 $0 $70,000 $1,461 $0 $1,461 15 $21,916 $0 -68.7% 47.9 -11.92% ($52,557.79)

ECM #6 Convert Multi-zone 1 to VAV $37,748 $96,418 $1,200 $132,966 $8,952 $0 $8,952 15 $134,280 $0 1.0% 14.9 0.12% ($26,097.86)

ECM #7 High Efficiency Boilers Dual Header $160,000 $240,000 $6,800 $393,200 $5,703 $136,486 $142,189 25 $3,554,725 $3,412,150 804.1% 2.8 36.15% $2,082,758.06

ECM #8 HVAC-2 Energy Recovery Wheel $104,000 $148,507 $0 $252,507 $3,283 $0 $3,283 15 $49,245 $0 -80.5% 76.9 -15.77% ($213,314.26)

ECM #9 Chiller Replacement $150,985 $73,743 $7,486 $217,242 $3,984 $0 $3,984 25 $99,600 $0 -54.2% 54.5 -5.28% ($147,867.52)

ECM #10 Window Film $10,000 $15,000 $0 $25,000 $2,815 $0 $2,815 15 $42,225 $0 68.9% 8.9 7.40% $8,605.29

ECM #11 Ozone Laundry Program $15,000 $4,000 $0 $19,000 $7,895 $0 $7,895 10 $78,954 $0 315.5% 2.4 40.13% $48,349.68

ECM #12 Walk-in Refrigeration Controls $1,200 $800 $150 $1,850 $404 $0 $404 15 $6,060 $0 227.6% 4.6 20.51% $2,972.93

ECM #13 Small Scale CHP $300,000 $100,000 $100,000 $300,000 $42,841 ($19,855) $22,986 20 $459,720 -$397,100 53.2% 13.1 4% $41,973.64

ECM #14 Dishwasher Replacement $15,000 $5,000 $700 $19,300 $881 $0 $881 10 $8,810 $0 -54.4% 21.9 -12.20% ($11,784.89)

REM #1 308.4 kW PV System $1,469,368 $0 $0 $1,469,368 $51,804 $53,030 $104,834 15 $1,572,511 $795,453 7.0% 14.0 0.86% ($217,865.88)

Notes: 1) The variable Cn in the formulas for Internal Rate of Return and Net Present Value stands for the cash flow during each period.2) The variable DR in the NPV equation stands for Discount Rate3) For NPV and IRR calculations: From n=0 to N periods where N is the lifetime of ECM and Cn is the cash flow during each period .

REM RENEWABLE ENERGY AND FINANCIAL COSTS AND SAVINGS SUMMARY

ECM COST & SAVINGS BREAKDOWNCONCORD ENGINEERING GROUP

Sussex County Department of Shared Services - Keogh-Dwyer Correctional

INSTALLATION COST YEARLY SAVINGSECM

LIFETIMEDESCRIPTIONECM NO.

ECM ENERGY AND FINANCIAL COSTS AND SAVINGS SUMMARY



APPENDIX B

Appendix B Page 1 of 4

Concord Engineering Group, Inc. 520 BURNT MILL ROAD VOORHEES, NEW JERSEY 08043 PHONE: (856) 427-0200 FAX: (856) 427-6508

SmartStart Building Incentives The NJ SmartStart Buildings Program offers financial incentives on a wide variety of building system equipment. The incentives were developed to help offset the initial cost of energy-efficient equipment. The following tables show the current available incentives as of February 11, 2013:

Electric Chillers Water-Cooled Chillers $16 - $170 per ton

Air-Cooled Chillers $8 - $52 per ton

Energy Efficiency must comply with ASHRAE 90.1-2007

Gas Cooling Gas Absorption Chillers $185 - $400 per ton

Gas Engine-Driven Chillers Calculated through custom measure

path)

Desiccant Systems $1.00 per cfm – gas or electric

Electric Unitary HVAC

Unitary AC and Split Systems $73 - $92 per ton Air-to-Air Heat Pumps $73 - $92 per ton

Water-Source Heat Pumps $81 per ton Packaged Terminal AC & HP $65 per ton

Central DX AC Systems $40- $72 per ton Dual Enthalpy Economizer Controls $250 Occupancy Controlled Thermostat

(Hospitality & Institutional Facility) $75 per thermostat

A/C Economizing Controls < 5 tons $85/unit; >5 tons $170/unit Energy Efficiency must comply with ASHRAE 90.1-2007

Gas Heating

Gas Fired Boilers < 300 MBH $2.00 per MBH, but not less than

$300 per unit

Gas Fired Boilers ≥ 300 - 1500 MBH $1.75 per MBH

Gas Fired Boilers ≥1500 - ≤ 4000 MBH $1.00 per MBH

Gas Fired Boilers > 4000 MBH (Calculated through Custom Measure

Path)

Gas Furnaces $400 per unit, AFUE ≥ 95%

Boiler Economizing Controls $1,200 - $2,700

Low Intensity Infrared Heating $300 - $500 per unit


Ground Source Heat Pumps

Closed Loop $450 per ton, EER ≥ 16 $600 per ton, EER ≥ 18 $750 per ton, EER ≥ 20

Energy Efficiency must comply with ASHRAE 90.1-2007

Variable Frequency Drives Variable Air Volume $65 - $155 per hp

Chilled-Water Pumps $60 per VFD rated hp

Compressors $5,250 to $12,500 per drive

Cooling Towers ≥ 10 hp $60 per VFD rated hp

Boiler Fans > 5 HP $65 to $155 per hp

Boiler Feed Water Pumps > 5 HP $60 to $155 per hp

Commercial Kitchen Hood up to 50 HP Retrofit $55 – $300 per hp

New Hood $55 - $250 per hp

Natural Gas Water Heating Gas Water Heaters ≤ 50 gallons, 0.67

energy factor or better $50 per unit

Gas-Fired Water Heaters > 50 gallons $1.00 - $2.00 per MBH

Gas-Fired Booster Water Heaters $17 - $35 per MBH

Gas Fired Tankless Water Heaters $300 per unit

Prescriptive Lighting Retro fit of T12 to T-5 or T-8 Lamps

w/Electronic Ballast in Existing Facilities (Expires 3/1/2013)

$10 per fixture (1-4 lamps)

Replacement of T12 with new T-5 or T-8 Lamps w/Electronic Ballast in

Existing Facilities (Expires 3/1/2013) $25 per fixture (1-4 lamps)

T-8 reduced Wattage (28w/25w 4’, 1-4 lamps)

Lamp & ballast replacement $10 per fixture

For retrofit of T-8 fixtures by permanent de-lamping & new reflectors

(Electronic ballast replacement required)

$15 per fixture

T-5 and T-8 High Bay Fixtures $16 - $200 per fixture

Metal Halide w/Pulse Start Including Parking Lot

$25 per fixture

HID ≥ 100w Retrofit with induction lamp, power coupler and generator

(must be 30% less watts/fixture than HID system)

$50 per fixture

HID ≥ 100w Replacement with new HID ≥ 100w

$70 per fixture


Prescriptive Lighting - LED

LED Display Case Lighting $30 per display case

LED Shelf-Mtd. Display & Task Lights $15 per linear foot

LED Portable Desk Lamp $20 per fixture

LED Wall-wash Lights $30 per fixture

LED Recessed Down Lights $35 per fixture LED Outdoor Pole/Arm-Mounted Area

and Roadway Luminaries $175 per fixture

LED Outdoor Pole/Arm-Mounted Decorative Luminaries

$175 per fixture

LED Outdoor Wall-Mounted Area Luminaries

$100 per fixture

LED Parking Garage Luminaries $100 per fixture

LED Track or Mono-Point Directional Lighting Fixtures

$50 per fixture

LED High-Bay and Low-Bay Fixtures for Commercial & Industrial Bldgs.

$150 per fixture

LED High-Bay-Aisle Lighting $150 per fixture

LED Bollard Fixtures $50 per fixture

LED Linear Panels (1x4, 2x2, 2x4 Troffers only)

$100 per fixture

LED Fuel Pump Canopy $100 per fixture

LED Screw-based & Pin-based (PAR, MR, BR, R) Standards (A-Style) and

Decorative Lamps $20 per lamp

LED Refrigerator/Freezer case lighting replacement of fluorescent in medium

and low temperature display case

$30 per 4 foot $42 per 5 foot $65 per 6 foot

LED Retrofit Kits To be evaluated through the customer

measure path


Lighting Controls – Occupancy Sensors

Wall Mounted $20 per control Remote Mounted $35 per control

Daylight Dimmers $25-$50 per fixture

Occupancy Controlled hi-low Fluorescent Controls

$25 per fixture controlled

Lighting Controls – HID or Fluorescent Hi-Bay Controls Occupancy hi-low $75 per fixture controlled Daylight Dimming $75 per fixture controlled

Premium Motors Three-Phase Motors (Expires 3/1/2013) $45 - $700 per motor

Fractional HP Motors Electronic Commutated Motors (replacing shaded pole motors in

refrigerator/freezer cases)

$40 per electronic commutated motor

Refrigeration Doors/Covers

Energy-Efficient Doors/Covers for Installation on Open Refrigerated Cases

$100 per door

Aluminum Night Curtains for Installation on Open Refrigerated Cases

$3.50 per linear foot

Refrigeration Controls

Door Heater Controls $50 per control Electric Defrost Controls $50 per control Evaporator Fan Controls $75 per control Novelty Cooler Shutoff $50 per control

Other Equipment Incentives

Performance Lighting

$1.00 per watt per SF below program incentive threshold, currently 5% more energy efficient than ASHRAE 90.1-

2007 for New Construction and Complete Renovation

Custom Electric and Gas Equipment Incentives

not prescriptive

Custom Measures

$0.16 KWh and $1.60/Therm of 1st year savings, or a buy down to a 1 year

payback on estimated savings. Minimum required savings of 75,000

KWh or 1,500 Therms and an IRR of at least 10%.



APPENDIX C

ENERGY STAR® Statement of EnergyPerformance

N/AENERGY STAR®

Score1

Keogh-Dwyer Correctional Facility

Primary Property Function: Prison/IncarcerationGross Floor Area (ft²): 38,206Built: 1978

For Year Ending: December 31, 2012Date Generated: February 24, 2014

1. The ENERGY STAR score is a 1-100 assessment of a building’s energy efficiency as compared with similar buildings nationwide, adjusting forclimate and business activity.

Property & Contact Information

Property AddressKeogh-Dwyer Correctional Facility41 High StreetNewton, New Jersey 07860

Property OwnerSussex County Department of Central andShared Services1 Spring StreetNewton, NJ 07860(____)____-______

Primary ContactMichael Fischette520 South Burnt Mill RoadVoorhees, NJ [email protected]

Property ID: 3971640

Energy Consumption and Energy Use Intensity (EUI)

Site EUI236.5 kBtu/ft²

Annual Energy by FuelElectric - Grid (kBtu) 3,390,832 (38%)Natural Gas (kBtu) 5,643,320 (62%)

National Median ComparisonNational Median Site EUI (kBtu/ft²) 92.6National Median Source EUI (kBtu/ft²) 169.9% Diff from National Median Source EUI 155%

Source EUI433.8 kBtu/ft²

Annual EmissionsGreenhouse Gas Emissions (MtCO2e/year) 729

Signature & Stamp of Verifying Professional

I ___________________ (Name) verify that the above information is true and correct to the best of my knowledge.

Signature: _______________________Date: ___________

Licensed Professional

Joseph Biuso1 Spring StreetNewton, NJ [email protected]

Professional Engineer Stamp(if applicable)



APPENDIX D

Appendix DPage 1 of 13

AHUsTag MZ-1 MZ-2 HV-1

Unit Type Multi-Zone Cold/Hot Deck

Multi-Zone Cold/Hot Deck

Heating Ventilation Unit

Qty 1 1 1

Location Boiler Room Next to Boiler Room Next to Boiler Room

Area Served Multiple Zones Multiple Zones Kitchen

Manufacturer Trane - Climate Changer

Trane - Climate Changer

Trane - Climate Changer

Model # M-31 M-41 L-12

Serial # K77K24291 K77K24292 K77K24293

Cooling Type Chilled Water Chilled Water N/A

Cooling Capacity 574 MBH 1208 MBH N/A

Cooling Efficiency (EER) See Chiller See Chiller N/A

Heating Type Hot Water Hot Water Hot Water

Heating Input (MBH) 570 MBH 807 MBH 780 MBH

Heating Efficiency (COP) See Boiler See Boiler See Boiler

Supply Fan (HP) 15.00 15.00 5.00

Approx Age 38 38 38

ASHRAE Service Life 15 15 15

Remaining Life (23) (23) (23)

Comments

Note:

MAJOR EQUIPMENT LISTConcord Engineering Group

Keogh-Dwyer Correctional

"N/A" = Not Applicable. "-" = Info Not Available


Domestic Water HeatersTag

Unit Type Domestic Hot Water Heaters

Domestic Hot Water Heaters

Qty 1 1

Location Boiler Room Boiler Room

Area Served Kitchen Domestic Loop

Manufacturer A.O. Smith A.O. Smith

Model # BTR 500A 120 BTR 500A 120

Serial # 1246M002140 1246M002140

Size (Gallons) 85 Gallons 85 Gallons

Input Capacity (MBH/KW) 500 MBH 500 MBH

Recovery (Gal/Hr) 484.84 GPH 484.84 GPH

Efficiency % 80% 80%

Fuel Natural Gas Natural Gas

Approx Age 2 2

ASHRAE Service Life 12 12

Remaining Life 10 10

Comments

Note:






BoilersTag

Unit Type Cast Iron Sectional

Qty 2

Location Boiler Room

Area Served Hot Water Loop

Manufacturer Smith

Model # 28A-13

Serial # N94-197

Input Capacity (Btu/Hr) 4,180 MBH

Rated Output Capacity (Btu/Hr) 3,297 MBH

Approx. Efficiency % 75%

Fuel Natural Gas

Approx Age 19

ASHRAE Service Life 30

Remaining Life 11

Comments Fuel Economizer / Burner Controls

Note:"N/A" = Not Applicable. "-" = Info Not Available



PumpsTag

Unit Type Base Mounted End Suction

Base Mounted End Suction


Qty 1 1 1

Location Boiler Room Boiler Room Boiler Room

Area Served Population Kitchen Admin Area

Manufacturer Bell & Gossett Bell & Gossett Bell & Gossett

Model # 1531BF 1531BF 1531BF

Serial # 187009 H60 187076 L60 187076 L60

Horse Power 1.5 HP 1 HP 1 HP

Flow 120 GPM @ 25 FT HD 55 GPM @ 25 FT HD 40 GPM @ 25 FT HD

Motor Info Baldor - 145JM Frame - OPSB Encl.

Baldor - 143JM Frame - OPSB Encl.

Baldor - 143JM Frame - OPSB Encl.

Electrical Power 208-230/460/3/60 208-230/460/3/60 208-230/460/3/60

RPM 1725 RPM 1725 RPM 1725 RPM

Motor Efficiency % 78.5% 77.0% 77.0%

Approx Age 8 8 8


Remaining Life 12 12 12

Comments

Note:





PumpsTag

Unit Type

Qty

Location

Area Served

Manufacturer

Model #

Serial #

Horse Power

Flow

Motor Info

Electrical Power

RPM

Motor Efficiency %

Approx Age

ASHRAE Service Life

Remaining Life

Comments



1

Next to Boiler Room

Chilled Water Loop

Armstrong

-

-

15 HP

360 GPM @ 70 FT HD

Marathon - 254JP Frame

230/460/3/60

1760 RPM

91.0%

15

20

5


ChillerTag CH-1,2

Unit Type Air Cooled Screw

Qty 2

Location Outdoors On Grade

Area Served Chilled Water Loop

Manufacturer York

Model # YCAS0100EC46XFA

Serial # REJM6840AA

Refrigerant R-22

Cooling Capacity (Tons) 100 (79.2 Nominal)

Cooling Efficiency (KW/Ton) 9.25 EER

Volts / Phase / Hz 460/3/60

Fuel Electric

Chilled Water GPM / ΔT 225 GPM / 10°

Condenser Water GPM / ΔT Air-Cooled

Approx Age 15


Remaining Life 5

Comments

Note:





MotorsTag

Unit Type Motor Motor Motor

Qty 1 2 1

Location Boiler Room Boiler Room Boiler Room

Area Served Domestic Pump Burner Motor Population Pump Motor

Manufacturer Bell & Gossett Marathon Baldor

Model # HQA 56A17D58F P 2VJ56T34D5314B P 35N833-0372G1

Catalog # - P005 JMM3154T

Horse Power 1/2 1-1/2 1-1/2

Enclosure Type DP DP OPSB

Electrical Power 115/208-230 208-230/460 208-230/460

RPM 1725 3450 1725

Efficiency % - - 78.5%

Approx Age 2 19 4


Remaining Life 16 (1) 14

Comments

Note:





MotorsTag

Unit Type

Qty

Location

Area Served

Manufacturer

Model #

Catalog #

Horse Power

Enclosure Type

Electrical Power

RPM

Efficiency %

Approx Age

ASHRAE Service Life

Remaining Life

Comments


Motor Motor Motor

2 1 1

Boiler Room Next to Boiler Room Next to Boiler Room

Kitchen/Admin Pump Motor Exhausto System MV-2

Baldor ABB Century

35N833-0087G1 N3AAU 100 LB-4 6-323409-02

JMM3116T 4M10B04BS07001

1 3 15

OPSB TEFC -

208-230/460 208-230 230/460

1725 1730 1750

77.0% 87.5% -

4 2 15

18 18 18

14 16 3


MotorsTag

Unit Type

Qty

Location

Area Served

Manufacturer

Model #

Catalog #

Horse Power

Enclosure Type

Electrical Power

RPM

Efficiency %

Approx Age

ASHRAE Service Life

Remaining Life

Comments


Motor

1

Next to Boiler Room

Chilled Water Pump

Marathon

FL 25411DR7327DD W

-

15

-

230/460

1760

-

15

18

3


Emergency GeneratorTag

Unit Type Generator Set

Qty 1

Location Next to Boiler room

Manufacturer Caterpillar

Model # SR-4

Rating (kVA) 225

Output (kW) 180

Electrical Information 240/480

Impedance (%) -

Approx Age 14


Remaining Life 20

Comments


Concord Engineering Group


MAJOR EQUIPMENT LIST


Duct HeaterTag

Unit Type Duct Heater

Qty 1

Location Next to Boiler room

Area Served MV-2

Manufacturer Reznor

Model # SC-250

Serial # -

Heating Type Nat Gas

Heating (BTUH) 250,000

CFM 3700

Supply Fan (HP) 3

Approx Age 2


Remaining Life 18

Comments

Note:





KitchenTag

Unit Type Dishwasher Classic Convection Steamer Convection Oven Grill/Oven

Qty 1 1 1 1

Location Kitchen Kitchen Kitchen Kitchen

Area Served Kitchen Kitchen Kitchen Kitchen

Manufacturer Champion Cleveland Southbend Vulcan

Model # D-LFM5 36-CGM-300 SLGS/22SC No Tag

Serial # - 1.30123E+12 12H50525 No Tag

Comments Natural Gas Natural Gas Natural Gas

Note:





Washing/DryingTag

Unit Type Commercial Washing Machine Gas Commercial Dryer

Qty 3 3

Location Wash/Dryer Room Wash/Dryer Room

Manufacturer Unimac Unimac (Unidryer)

Model # UW50PVQU2 Tag not found

Serial # 60543940052192 Tag not found

Comments

Note:






APPENDIX E

Appendix E - Lighting Audit - Keogh-Dwyer.xlsx Page 1 of 6

CEG Project #:Facility Name: Address:City, State, Zip

Fixture Reference # Location

Average Burn Hours

Description Lamps per Fixture

Watts per Fixture

Qty of Fixtures

Total kW

Usage kWh/Yr Work Description Equipment Description Lamps per

FixtureWatts per

FixtureQty of

FixturesTotal kW

Usage kWh/Yr

Energy Savings,

kW

Energy Savings,

kWh

Energy Savings, $

Control Ref # Controls Description Qty of

Controls

Hour Reduction

%

Energy Savings,

kWh

Energy Savings, $

221.41 5840

1x4, 2 Lamp, 32w T8, Elect. Ballast, Wall/Corner

Mnt., Prismatic Lens - Secure

2 62 16 0.99 5,793 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-Y-SW-120-Z-S-N 2 36 16 0.58 3,364 0.42 2,429 $360 0 No New Controls 0 0.0% 0 $0

200 87601x2, 2 Lamp, 17w T8,

Elect. Ballast, Surface Mnt., Prismatic Lens

2 34 16 0.54 4,765 Bypass Ballast, Relamp 2' LED 11w; Retrofit 2 22 16 0.35 3,084 0.19 1,682 $249 0 No New Controls 0 0.0% 0 $0

221.21 Walkways - Upper and Lower 8760

1x4, 2 Lamp, 32w T8, Elect. Ballast, Recessed Mnt., Prismatic Lens -

Secure


221.21 Shower 2920


Secure

2 62 1 0.06 181 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-Y-SW-120-Z-S-N 2 36 1 0.04 105 0.03 76 $11 0 No New Controls 0 0.0% 0 $0

601 8760 (2) 7w CFL Exit Sign 2 16 4 0.06 561 Replace Fixture LED Exit Sign 1 2 4 0.01 70 0.06 491 $73 0 No New Controls 0 0.0% 0 $0

710 8760 400w MH Hi Bay 1 461 13 5.99 52,499 Bypass Ballast, Relamp Solstice 93w LED Retrofit 1 93 13 1.21 10,591 4.78 41,908 $6,202 0 No New Controls 0 0.0% 0 $0

55 Control Room 8760 65w R30 Lamp 1 65 3 0.20 1,708 Relamp PHILIPS 120V 11w LED R30 1 11 3 0.03 289 0.16 1,419 $210 0 No New Controls 0 0.0% 0 $0

221.41 5840




200 87601x2, 2 Lamp, 17w T8,





Secure


221.21 Shower 2920


Secure




221.21 5th Floor Elev. Lobby/Hall 8760


Secure

2 62 4 0.25 2,172 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-Y-SW-120-Z-S-N 2 36 4 0.14 1,261 0.10 911 $135 0 No New Controls 0 0.0% 0 $0

221.21 Storage 3000


Secure

2 62 2 0.12 372 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-Y-SW-120-Z-S-N 2 36 2 0.07 216 0.05 156 $23 6

Dual Technology Occupancy Sensor - Switch

Mnt.1 20.0% 43 $6

221.21 Staff Restroom 3000


Secure



Mnt.1 20.0% 43 $6

221.41 5840




200 87601x2, 2 Lamp, 17w T8,





Secure


221.21 Shower 2920


Secure


1C13489Keogh-Dwyer Correctional

Newton, NJ41 High Street

RETROFIT ENERGY SAVINGSEXISTING FIXTURES PROPOSED FIXTURE RETROFIT PROPOSED LIGHTING CONTROLS

5th Floor - Right Side Pod - Uper and Lower

Cells (16)

5th Floor - Right Side Pod - Common Area

5th Floor - Left Side Pod - Uper and Lower

Cells (16)

5th Floor - Left Side Pod - Common Area

4th Floor - Right Side Pod - Uper and Lower

Cells (16)



Average Burn Hours


Watts per Fixture

Qty of Fixtures

Total kW


FixtureWatts per

FixtureQty of

FixturesTotal kW

Usage kWh/Yr

Energy Savings,

kW

Energy Savings,

kWh

Energy Savings, $


Controls

Hour Reduction

%

Energy Savings,

kWh

Energy Savings, $





221.41 5840




200 87601x2, 2 Lamp, 17w T8,





Secure


221.21 Shower 2920


Secure




221.21 4th Floor Elev. Lobby/Hall 8760


Secure


221.21 Storage 3000


Secure



Mnt.1 20.0% 43 $6



Secure



Mnt.1 20.0% 43 $6

221.41 5840




200 87601x2, 2 Lamp, 17w T8,





Secure


221.21 Shower 2920


Secure


221.21 3rd Floor - Right Side Pod - Common Area 8760


Secure



221.41 5840




200 87601x2, 2 Lamp, 17w T8,





Secure


221.21 Shower 2920


Secure


3rd Floor - Right Side Pod - Uper and Lower

Cells (16)

3rd Floor - Left Side Pod - Uper and Lower

Cells (16)

4th Floor - Right Side Pod - Common Area

4th Floor - Left Side Pod - Uper and Lower

Cells (16)

4th Floor - Left Side Pod - Common Area



Average Burn Hours


Watts per Fixture

Qty of Fixtures

Total kW


FixtureWatts per

FixtureQty of

FixturesTotal kW

Usage kWh/Yr

Energy Savings,

kW

Energy Savings,

kWh

Energy Savings, $


Controls

Hour Reduction

%

Energy Savings,

kWh

Energy Savings, $


221.21 3rd Floor - Left Side Pod - Common Area 8760


Secure


221.21 3rd Floor Elev. Lobby/Hall 8760


Secure


221.21 Storage 3000


Secure



Mnt.1 20.0% 43 $6



Secure



Mnt.1 20.0% 43 $6

221.21 2nd Floor Corridor 8760


Secure


221.11 Exercise Room 87601x4, 2 Lamp, 32w T8, Elect. Ballast, Recessed

Mnt., Prismatic Lens2 62 20 1.24 10,862 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-

Y-SW-120-Z-S-N 2 36 20 0.72 6,307 0.52 4,555 $674 0 No New Controls 0 0.0% 0 $0

200 Exercise Room Restroom 8760

1x2, 2 Lamp, 17w T8, Elect. Ballast, Surface Mnt.,

Prismatic Lens2 34 1 0.03 298 Bypass Ballast, Relamp 2' LED 11w; Retrofit 2 22 1 0.02 193 0.01 105 $16 0 No New Controls 0 0.0% 0 $0

221.11 Classroom 87601x4, 2 Lamp, 32w T8, Elect. Ballast, Recessed



221.21 Office 1 3000


Secure

2 62 9 0.56 1,674 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-Y-SW-120-Z-S-N 2 36 9 0.32 972 0.23 702 $104 6


Mnt.1 20.0% 194 $29

221.21 Gym 8760


Secure


221.21 Commissary 8760


Secure


221.21 Barber 8760


Secure

2 62 3 0.19 1,629 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-Y-SW-120-Z-S-N 2 36 3 0.11 946 0.08 683 $101 0 No New Controls 0 0.0% 0 $0

221.21 Office 2 3000


Secure

2 62 6 0.37 1,116 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-Y-SW-120-Z-S-N 2 36 6 0.22 648 0.16 468 $69 6


Mnt.1 20.0% 130 $19

221.21 Inmate Lounge 8760


Secure


221.21 Medical Hall 8760


Secure


221.21 Treatment Room 1 8760


Secure




Secure




Secure


55 2nd Floor Command Center 8760 65w R30 Lamp 1 65 4 0.26 2,278 Relamp PHILIPS 120V 11w LED R30 1 11 4 0.04 385 0.22 1,892 $280 0 No New Controls 0 0.0% 0 $0

221.21 Inmate Waiting -Women 8760


Secure


221.21 Inmate Waiting - Men 8760


Secure


221.21 Dayroom 8760


Secure




Average Burn Hours


Watts per Fixture

Qty of Fixtures

Total kW


FixtureWatts per

FixtureQty of

FixturesTotal kW

Usage kWh/Yr

Energy Savings,

kW

Energy Savings,

kWh

Energy Savings, $


Controls

Hour Reduction

%

Energy Savings,

kWh

Energy Savings, $


121.41 Holding Lounge 8760

1x4, 2-Lamp, 34w T12, Mag. Ballast, Wall/Corner



121.41 Holding Cells (7) 8760

1x4, 2-Lamp, 34w T12, Mag. Ballast, Wall/Corner



117.41 Holding Cells (7) 8760 65w R30 Lamp 1 65 6 0.39 3,416 Relamp PHILIPS 120V 11w LED R30 1 11 6 0.07 578 0.32 2,838 $420 0 No New Controls 0 0.0% 0 $0

242.21 Fingerprinting 87602x4, 4 Lamp, 32w T8, Elect. Ballast, Recessed


Y-SW-120-Z-S-N 4 72 2 0.14 1,261 0.08 736 $109 0 No New Controls 0 0.0% 0 $0

221.11 Property Storage 87601x4, 2 Lamp, 32w T8, Elect. Ballast, Recessed



705 Outside Courtyard 4400 250w MH Wall Pack 1 295 3 0.89 3,894 Replace Fixture RAB 52W LED Wall Pack 1 61 3 0.18 805 0.70 3,089 $457 0 No New Controls 0 0.0% 0 $0

221.21 Service Lobby 8760


Secure


221.21 Staff Dining 8760


Secure


221.21 Men's Restroom 8760


Secure


221.21 Hall to Staff Dining 8760


Secure


221.21 Storage 8760


Secure


221.21 Dishwasher 8760


Secure


221.21 Kitchen 8760


Secure


221.21 Kitchen Entry 8760


Secure


221.21 Kitchen Office 8760


Secure


221.21 Dry Storage 8760


Secure


121.21 Laundry 87601x4, 2-Lamp, 34w T12, Mag. Ballast, Wall Mnt., Prismatic Lens - Secure


121.21 Clean Linen 87601x4, 2-Lamp, 34w T12, Mag. Ballast, Wall Mnt., Prismatic Lens - Secure


121.21 Laundry 87601x4, 2-Lamp, 34w T12, Mag. Ballast, Wall Mnt., Prismatic Lens - Secure


221.21 Secure Lobby 8760


Secure


221.21 Inmate Waiting 8760


Secure


221.21 Guard 8760


Secure




Average Burn Hours


Watts per Fixture

Qty of Fixtures

Total kW


FixtureWatts per

FixtureQty of

FixturesTotal kW

Usage kWh/Yr

Energy Savings,

kW

Energy Savings,

kWh

Energy Savings, $


Controls

Hour Reduction

%

Energy Savings,

kWh

Energy Savings, $


221.21 Non-Contact Visiting - Visitor 8760


Secure


221.21 Restroom 8760


Secure


221.21 Strip Search 8760


Secure


221.21 Non-Contact Visiting - Inmate 8760


Secure


221.21 Storage 8760


Secure


221.21 Lawyer 8760


Secure


221.21 Contact Visiting 8760


Secure


221.21 Lawyer 8760


Secure


221.21 Lawyer 8760


Secure


221.21 Sally Port 8760


Secure


121.21 Elevator Equip 12001x4, 2-Lamp, 34w T12, Mag. Ballast, Wall Mnt., Prismatic Lens - Secure


221.21 Service Lobby 8760


Secure


221.21 Stair No. 1 8760


Secure


221.34 Air Handling 30001x4, 2 Lamp, 32w T8, Elect. Ballast, Pendant

Mnt., No lens2 62 10 0.62 1,860 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-


221.34 Boiler Room 87601x4, 2 Lamp, 32w T8, Elect. Ballast, Pendant

Mnt., No lens2 62 14 0.87 7,604 Bypass Ballast, Relamp 4' Alledra 18w LED; LLT-X-T8-


121.21 Generator Room 30001x4, 2-Lamp, 34w T12, Mag. Ballast, Wall Mnt., Prismatic Lens - Secure


700 Truck Sally Port 4400 175w MH Wallpack 1 205 3 0.62 2,706 Replace Fixture 42w LED Wall Pack 1 42 3 0.13 554 0.49 2,152 $318 0 No New Controls 0 0.0% 0 $0

221.21 Auto Sally Port 8760


Secure


221.21 Ramp 8760


Secure


55 Main Control Room 8760 65w R30 Lamp 1 65 3 0.20 1,708 Relamp PHILIPS 120V 11w LED R30 1 11 3 0.03 289 0.16 1,419 $210 0 No New Controls 0 0.0% 0 $0

227.22 Main Control Room 87602x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed

Mnt., Parabolic Lens2 62 3 0.19 1,629 Retrofit Kit - Remove Lense

Bypass BallastPhillips LED Evokit 2x2

P 32L 31W840 2 0-10 7 G2 1 31 3 0.09 815 0.09 815 $121 0 No New Controls 0 0.0% 0 $0

227.22 Waiting 87602x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed



P 32L 31W840 2 0-10 7 G2 1 31 13 0.40 3,530 0.40 3,530 $522 0 No New Controls 0 0.0% 0 $0



Average Burn Hours


Watts per Fixture

Qty of Fixtures

Total kW


FixtureWatts per

FixtureQty of

FixturesTotal kW

Usage kWh/Yr

Energy Savings,

kW

Energy Savings,

kWh

Energy Savings, $


Controls

Hour Reduction

%

Energy Savings,

kWh

Energy Savings, $


227.22 Vestibule 87602x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed

Mnt., Parabolic Lens2 62 1 0.06 543 Retrofit Kit - Remove Lense



227.22 Locker Hall 87602x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




200 Lockers 87601x2, 2 Lamp, 17w T8,


2 34 2 0.07 596 Bypass Ballast, Relamp 2' LED 11w; Retrofit 2 22 2 0.04 385 0.02 210 $31 0 No New Controls 0 0.0% 0 $0

200 Women's Restroom 87601x2, 2 Lamp, 17w T8,


2 34 2 0.07 596 Bypass Ballast, Relamp 2' LED 11w; Retrofit 2 22 2 0.04 385 0.02 210 $31 0 No New Controls 0 0.0% 0 $0

222.21 Women's Locker Room 8760

2x4, 2 Lamp, 32w T8, Elect. Ballast, Recessed


Y-SW-120-Z-S-N 2 36 3 0.11 946 0.08 683 $101 0 No New Controls 0 0.0% 0 $0

222.21 Men's Locker Room 87602x4, 2 Lamp, 32w T8, Elect. Ballast, Recessed


Y-SW-120-Z-S-N 2 36 3 0.11 946 0.08 683 $101 0 No New Controls 0 0.0% 0 $0

227.22 IT Room 12002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Hall 87602x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Clerical 87602x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Office A 30002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Office B 30002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Closet 12002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Records 30002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Office C 30002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Office D 30002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Office E 30002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Office F 30002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




227.22 Armory 30002x2, 2 Lamp, 32w U T8, Elect. Ballast, Recessed




TOTAL 874 73 586,523 874 32 251,545 41 334,978 $49,577 8 0 583 $86



APPENDIX F

Appendix FPage 1 of 2

Location Description

Area (Sq FT) Panel Qty

Panel Sq Ft

Panel Total Sq

FtTotal KWDC

Total Annual kWh

Total KWAC

Panel Weight

(41.9 lbs) W/SQFTKeogh-Dwyer Correctional

44000 SHARP ND-240QCJ

1285 17.5 22,540 308.40 350,026 249.8 53,842 13.68

= Proposed PV Roof Layout =Proposed PV Parking Canopy LayoutNotes:

1. Estimated kWH based on the National Renewable Energy Laboratory PVWatts Version 1 Calculator Program.

Appendix FPage 2 of 2

Project Name: LGEA Solar PV Project - Keogh-Dwyer CorrectionalLocation:

Description: Photovoltaic System 100% Financing - 15 year

Simple Payback Analysis

Total Construction Cost $1,469,368Annual kWh Production 350,026

Annual Energy Cost Reduction $51,804Average Annual SREC Revenue $53,030

Simple Payback: Years

Life Cycle Cost AnalysisAnalysis Period (years): 15 Financing %: 100%

Discount Rate: 3% Maintenance Escalation Rate: 3.0%Average Energy Cost ($/kWh) $0.148 Energy Cost Escalation Rate: 3.0%

Financing Rate: 6.00% Average SREC Value ($/kWh) $0.152Period Additional Energy kWh Energy Cost Additional SREC Interest Loan Net Cash Cumulative

Cash Outlay Production Savings Maint Costs Revenue Expense Principal Flow Cash Flow0 $0 0 0 0 $0 0 0 0 01 $0 350,026 $51,804 $0 $87,507 $86,467 $62,326 ($9,482) ($9,482)2 $0 348,276 $53,358 $0 $87,069 $82,623 $66,170 ($8,365) ($17,847)3 $0 346,534 $54,959 $0 $86,634 $78,541 $70,251 ($7,200) ($25,047)4 $0 344,802 $56,607 $0 $68,960 $74,208 $74,584 ($23,225) ($48,272)5 $0 343,078 $58,306 $3,534 $68,616 $69,608 $79,184 ($25,405) ($73,677)6 $0 341,362 $60,055 $3,516 $68,272 $64,724 $84,068 ($23,981) ($97,658)7 $0 339,656 $61,857 $3,498 $50,948 $59,539 $89,253 ($39,486) ($137,144)8 $0 337,957 $63,712 $3,481 $50,694 $54,034 $94,758 ($37,868) ($175,011)9 $0 336,268 $65,624 $3,464 $50,440 $48,190 $100,603 ($36,192) ($211,203)

10 $0 334,586 $67,592 $3,446 $33,459 $41,985 $106,808 ($51,188) ($262,391)11 $0 332,913 $69,620 $3,429 $33,291 $35,397 $113,395 ($49,310) ($311,701)12 $0 331,249 $71,709 $3,412 $33,125 $28,403 $120,389 ($47,371) ($359,072)13 $0 329,592 $73,860 $3,395 $16,480 $20,978 $127,814 ($61,848) ($420,919)14 $0 327,945 $76,076 $3,378 $16,397 $13,095 $135,698 ($59,697) ($480,617)15 $0 326,305 $78,358 $3,361 $16,315 $4,725 $144,067 ($57,480) ($538,097)

Totals: 5,070,549 $963,495 $37,913 $768,206 $762,517 $1,469,368 ($538,097) ($3,168,139)Net Present Value (NPV)

Photovoltaic System 100% Financing - 15 year

14.02

($378,402)



APPENDIX G



APPENDIX H

Existing System Efficiency 80% CHP Availability 92%Electric Heat Value (Btu/kWh) 3,412Gas Heat Value (Btu/therm) 100,000 Electric Generated, kWh 465,675 $68,734

CHP Plant Capacity, kW 100.0 Electric Cost ($/kWh) $0.148 Fuel Used by CHP, therm 62,920 $55,829Number of Engines 1 Natural Gas Cost ($/therm) $0.887 Fuel Saved by CHP, therm 33,738 $29,936

CHP Gas Cost ($/therm) $0.887 Total Cost Savings: $42,841Electrical System Losses 2.0%

Month Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-12 Aug-12 Oct-12 Nov-12 Dec-12 Jan-13 AnnualPrevious Read Date 1/4/12 2/1/12 3/2/12 4/2/12 5/2/12 6/1/12 7/2/12 8/2/12 8/31/12 10/2/12 11/1/12 12/3/12Current Read Date 2/1/12 3/2/12 4/2/12 5/2/12 6/1/12 7/2/12 8/2/12 8/31/12 10/2/12 11/1/12 12/3/12 1/3/13Days 28 30 31 30 30 31 31 29 32 30 32 31 365

Fuel Usage (therms) 8,691 8,365 5,030 5,053 1,285 845 844 679 688 1,448 7,381 8,325 48,633Fuel Usage (kBtu) 869,070 836,520 502,960 505,300 128,480 84,510 84,360 67,910 68,820 144,780 738,130 832,480 4,863,320

Heat Load Actual Load (kBtu) 695,256 669,216 402,368 404,240 102,784 67,608 67,488 54,328 55,056 115,824 590,504 665,984 3,890,656Actual Average Load, MBH 1,035 929 541 561 143 91 91 78 72 161 769 895

Engine #1 On (On / Off) System Efficiency 68.1%

Operating Load, kW 100 100 40 40 40 40 40 40 40 40 100 100Generator Electronics Rejection, kBtu 16,692 17,885 18,481 17,885 17,885 18,481 18,481 17,289 19,077 17,885 19,077 18,481Rejection Electric Usage, kWh 244 262 270 262 262 270 270 253 279 262 279 270

Fuel Usage, therms 7,806 8,364 3,708 3,588 3,588 3,708 3,708 3,469 3,828 3,588 8,921 8,643 62,920Electric Generation, kWh 60,588 64,915 26,832 25,966 25,966 26,832 26,832 25,101 27,697 25,966 69,243 67,079Recoverable Heat, kBtu 414,459 444,064 226,102 218,809 218,809 226,102 226,102 211,515 233,396 218,809 473,668 458,866Facility Heat Load, kBtu 695,256 669,216 402,368 404,240 102,784 67,608 67,488 54,328 55,056 115,824 590,504 665,984Rejected Heat, kBtu 0 0 0 0 116,025 158,494 158,614 157,187 178,340 102,985 0 0Electric to Reject Heat, kWh 0 0 0 0 553 756 757 750 851 491 0 0Net Electric Generation, kWh 60,343 64,654 26,561 25,704 25,151 25,805 25,805 24,098 26,567 25,213 68,964 66,809 465,675Recovered Heat Used, kBtu 414,459 444,064 226,102 218,809 102,784 67,608 67,488 54,328 55,056 115,824 473,668 458,866 2,699,056Remaining Heat Load, kBtu 280,797 225,152 176,266 185,431 0 0 0 0 0 0 116,836 207,118Remaining Avg. Load, MBH 418 313 237 258 0 0 0 0 0 0 152 278

CHP Plant Totals Plant Efficiency 68.1%

Fuel Usage, therm 7,806 8,364 3,708 3,588 3,588 3,708 3,708 3,469 3,828 3,588 8,921 8,643 62,920Generated Electric, kWh 60,343 64,654 26,561 25,704 25,151 25,805 25,805 24,098 26,567 25,213 68,964 66,809 465,675Recovered Thermal Used, kBtu 414,459 444,064 226,102 218,809 102,784 67,608 67,488 54,328 55,056 115,824 473,668 458,866 2,699,056Fuel Use Offset by Thermal, Therm 5,181 5,551 2,826 2,735 1,285 845 844 679 688 1,448 5,921 5,736 33,738

COMBINED HEAT AND POWER PLANT OPERATION ANALYSIS

Results Summary

ECONOMIC ANALYSIS: ONE (1) 100 KW COMBINED HEAT AND POWER PROJECTGross Construction Cost $400,000 Electric Rate ($/kWh) $0.1476 Existing Plant Thermal Efficiency 80%NJ CHP Incentive $100,000 Natural Gas Rate ($/Th) $0.8873 CHP Availability 92%Matching Utility Incentive $0 CHP Gas Rate ($/Th) $0.8873 CHP Average Load Factor 100%Net Construction Cost $300,000 Utility Escalation Rate 3%

Maintenance Escalation 2% Federal Tax Rate 0%Interest Rate (10 yr) 3.50%Discount Rate 3%

Year 0 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 Year 10 Total Existing Electric Usage (kWh) 993,796Existing Natural Gas Usage (Th) 56,433NG Used for Hot Water Heating (Th) 56,433

CHP OperationGross Electric Generation (kWh) 473,015 473,015 473,015 473,015 473,015 473,015 473,015 473,015 473,015 473,015 4,730,154Parasitic Electric Usage (kWh) 7,340 7,340 7,340 7,340 7,340 7,340 7,340 7,340 7,340 7,340 73,405Net Electric Generation (kWh) 465,675 465,675 465,675 465,675 465,675 465,675 465,675 465,675 465,675 465,675 4,656,749CHP NG Fuel Usage (Th) 62,920 62,920 62,920 62,920 62,920 62,920 62,920 62,920 62,920 62,920 629,196Gross Recovered Heat (Th) 35,707 35,707 35,707 35,707 35,707 35,707 35,707 35,707 35,707 35,707 357,070Unused/Rejected Heat (Th) 8,716 8,716 8,716 8,716 8,716 8,716 8,716 8,716 8,716 8,716 87,164Net Recovered Heat (Th) 26,991 26,991 26,991 26,991 26,991 26,991 26,991 26,991 26,991 26,991 269,906Offset Natural Gas Usage (Th) 33,738 33,738 33,738 33,738 33,738 33,738 33,738 33,738 33,738 33,738 337,382Additional Thermal Gas Usage (Th) 22,695 22,695 22,695 22,695 22,695 22,695 22,695 22,695 22,695 22,695 226,950

Utility SavingsGenerated Electric Value $68,734 $70,796 $72,919 $75,107 $77,360 $79,681 $82,072 $84,534 $87,070 $89,682 $787,954Recovered Thermal Value $29,936 $30,834 $31,759 $32,712 $33,693 $34,704 $35,745 $36,817 $37,922 $39,060 $343,182Gross Utility Cost Savings $98,670 $101,630 $104,678 $107,819 $111,053 $114,385 $117,817 $121,351 $124,992 $128,741 $1,131,135

CHP Operating CostsNatural Gas Fuel Cost $55,829 $57,503 $59,228 $61,005 $62,835 $64,721 $66,662 $68,662 $70,722 $72,844 $640,012Annual Maintenance Costs $18,133 $18,496 $18,866 $19,243 $19,628 $20,021 $20,421 $20,829 $21,246 $21,671 $198,553Gross Operating Costs $73,962 $75,999 $78,094 $80,248 $82,463 $84,741 $87,083 $89,491 $91,968 $94,514 $838,565

Net Annual Operating Savings $24,708 $25,630 $26,584 $27,570 $28,590 $29,644 $30,733 $31,860 $33,024 $34,227 $292,570

Project CostsReceived NJ Incentive $0 $100,000Capital Outlay ($60,000)Financed Amount $340,000Interest Expense ($11,900) ($10,886) ($9,836) ($8,749) ($7,624) ($6,460) ($5,256) ($4,009) ($2,718) ($1,382) ($68,821)Principle Payment ($28,982) ($29,996) ($31,046) ($32,133) ($33,258) ($34,422) ($35,626) ($36,873) ($38,164) ($39,500) ($340,000)Total Payment ($40,882) ($40,882) ($40,882) ($40,882) ($40,882) ($40,882) ($40,882) ($40,882) ($40,882) ($40,882) ($408,821)

Tax BenefitsBuisness Energy Investment Tax Credit $0Bonus Depreciation (Year 1) 0%MACRS Accelerated Depreciation 0% 0% 0.00% 0.00% 0.00% 0.00%End of Year Depreciable Costs*Bonus Depreciation (Year 1) $0Accelperated Depreciation $0 $0 $0 $0 $0 $0Total Depreciation $0 $0 $0 $0 $0 $0Cash Value of Depreciation $0 $0 $0 $0 $0 $0

Net Cashflow ($60,000) ($16,174) $84,748 ($14,298) ($13,312) ($12,292) ($11,238) ($10,149) ($9,022) ($7,858) ($6,655) ($76,250)Cumulative Cashflow ($76,174) $8,574 ($5,724) ($19,035) ($31,328) ($42,566) ($52,714) ($61,737) ($69,595) ($76,250)

Simple Payback, yrs*: 12.14Net Present Value: ($65,141)

Internal Rate of Return: -COMMENTS: 1. Depreciation Value based on Project Cost after incentives.

2. Simple payback is calculated based on Year 1 operating savings only. 3. Th = Therms

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