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NERC TADS Update
Andrew Slone, Engineer, Reliability Performance AnalysisWECC RPEWG MeetingMay 14, 2013
RELIABILITY | ACCOUNTABILITY2
• TADS Transition Quarterly Reporting Key Inventory Fields Bulk Electric System Alignment TADS Training/Webinars
• WECC Specific TADS Information WECC TO Direct Upload Importing TRD Data Into TADS
• WECC-FAC-501 Study Update
Agenda
RELIABILITY | ACCOUNTABILITY3
TADS Transition Timeline
Date TADS Outage Data Key Inventory DataMarch 01, 2013 TADS 2012 Annual Data Reporting
Submittal Deadline(200 kV+ Elements Only)
June 30, 2013 Element Identifier and Circuit Mileage Fields Only (200 kV+ Elements Only)
September 30, 2013 TADS 2013Q1 and 2013Q2 Data Submittal Deadline (200 kV+ Elements Only)
November 15, 2013 TADS 2013Q3 Data Submittal Deadline (200 kV+ Elements Only)
February 15, 2014 TADS 2013Q4 Data Submittal Deadline (200 kV+ Elements Only)
Update All Key Inventory Fields (200 kV+ Elements Only)
May 15, 2014 TADS 2014Q1 Data Submittal Deadline (All TADS Elements)
Element Identifier and Circuit Mileage Fields Only (Less than 200 kV Elements Only)
August 15, 2014 TADS 2014 Q2 Data Submittal Deadline(All TADS Elements)
November 15, 2014 TADS 2014 Q3 Data Submittal Deadline(All TADS Elements)
February 15, 2015 TADS 2014 Q4 Data Submittal Deadline(All TADS Elements)
Update All Key Inventory Fields(All TADS Elements)
RELIABILITY | ACCOUNTABILITY4
• TADS Changing from Annual to Quarterly Reporting Schedule• Transmission Owners Should Submit TADS Outage Data 45 Days
After Each Quarter• Data Changes for Prior Quarters:
During entry period, can update prior quarter outages Freeze Period
o After entry period ends, prior quarter outages are “frozen” and cannot be edited
o Current quarter outages, however, can be added/updated Deep-Freeze
o At end of Quarter 4 reporting, all outage and inventory data can no longer be edited
TADS Quarterly Reporting
RELIABILITY | ACCOUNTABILITY5
• TADS Changing from Summary Inventory to Individual Inventory• Inventory Forms Closely Resemble TRD, but Some Differences
Entity Unique Element ID Addedo In lieu of TO Operator name and Element ID (e.g. TOElement1)o Can be Alphanumeric, including underscoreo {Regional Entity, NCR, Element ID} combination will be unique NERC-wide
Instead of “In-service Date”, “Change/Reconfiguration Date”o Should be modified when circuit miles change to calculate proper equivalent
circuit miles Instead of “Parent Code”, “Precursor Element”
o Can input multiple Precursor Elements
TADS Key Inventory Fields
RELIABILITY | ACCOUNTABILITY6
• Common Corridor (WECC Only) Common Corridor information can be bulk uploaded into webTADS Follows TRD definitions AC Multi-Circuit Structure Miles calculated from Common Corridor
• TADS Considers Element In-service Date as 1/1/2013 if Element In-service Date is ≤ 12/31/2012
• BES Exception Field to handle new BES definition
TADS Key Inventory Fields
RELIABILITY | ACCOUNTABILITY7
• TADS to Align with New Bulk Electric System Definition in 2014• Includes the Following BES Elements:
AC Circuits DC Circuits Transmission Transformers (No GSUs) AC/DC Back to Back Converters
• Two New Voltage Classes BES 100-199 kV BES Less than 100 kV*
o *The Bulk Electric System definition has a bright-line at 100 kV, but there is an option to include Less than 100 kV Elements by special
inclusion
TADS Bulk Electric System Alignment
RELIABILITY | ACCOUNTABILITY8
• Elements > 200 kV, but excluded from BES? 2013: Continue to report in TADS 2014: Mark Element in inventory as “BES Excepted” and retire Element
as of 1/1/2014. Element is no longer TADS-reportable.• BES Exceptions Approved After 1/1/2014:
Mark Element in inventory as “BES Excepted” and retire Element as of BES Exception approval date.
Element is no longer TADS-reportable after BES Exception approval date.
TADS Bulk Electric System Alignment
RELIABILITY | ACCOUNTABILITY9
• 3 Combined Software/Data TADS Training Classes Prior to June 30 Deadline Will cover enough material for successful June 30 data submission
• Additional Training Dates TBA for July, August, and September Will cover enough material for successful September 30 data submission
TADS Training
Date Training Type
June 12, 20131 PM-3 PM ET
Combined Software/Data Training
June 19, 20131 PM-3 PM ET
Combined Software/Data Training
June 26, 20131 PM-3 PM ET
Combined Software/Data Training
RELIABILITY | ACCOUNTABILITY10
• WECC Transmission Owner Direct Upload WECC TOs will now upload to TADS directly instead of WECC DRE WECC 2012 TRD inventory data already uploaded into webTADS By June 30, WECC TOs should verify that all of their Element IDs are in
webTADS and that circuit mileage for Elements is accurate as of January 1, 2013
By September 30, WECC TOs should upload their outage data into webTADS
• Possible to Have WECC-Specific Training, if Desired
WECC Specific TADS Information
RELIABILITY | ACCOUNTABILITY11
• Trend average outage rates for the 7 sectors with more outages on lines with the standard over time
Evaluate whether average outage rates have changed since 2008
• Use outage rates per mile to see if the results are the same • Study cause code impact on the 7 sectors:
Controllable cause codeso Failed AC Substation Equipment, Human Error, Failed AC Circuit Equipment, Failed Protection System Equipmento Contamination, Foreign Interference, Power System Conditiono Vandalism (Terrorism, or Malicious Acts)o Environmental, Vegetation, Fire, Other
Uncontrollable cause codeso Lightning, Weather excluding lightning, Unknown
• Consider outage duration, start time and climate (e.g., terrain)• Consider violation records (FAC-501-1 and PRC-STD-005-1)• IPC and BPA Pre-2008 Outage Analysis
Analyzing Pre-2008 and Post-2008 Outage Data to Determine Effectiveness of WECC-FAC-501 Standard
WECC-FAC-501 Enhancements
RELIABILITY | ACCOUNTABILITY12
Questions and Answers