TRDTFTransmission Reliability Database

Task Force

Update & Approval Vote

Brian KeelSRP

10.06

WECC TRDTF

• PCC & OC presentations in 2005 & 2006

• Late 2005– Asked to re-tool the database with

Operator input

• Convened the Transmission Reliability Database Task Force = TRDTF

WECC TRDTF

• Members:• Brian Keel SRP – Chair

• Sheldon Yan BCTC• Phil Park BCTC

• Jeff Billinton AESO• Chuck Miller WACM

• Baj Agrawal APS• Tom Glock APS• Roy Ellis BPA• Wen Li BCTC

• Jose Silva SRP

WECC TRDTF

• TRDTF Meetings:– PDX 2005

• 11.16 & 11.17• 12.14 & 12.15

– SRP 2006• 2.15 & 2.16• 3.23 & 3.24• 4.16 & 4.17

– Conference Call – Respond to website comments• 8.24

WECC TRDTF

• Purpose– Develop a transmission outage database

for Performance Category Upgrade Requests

– RPEWG – Monitor, Evaluate and Report Performance to WECC – core charge

– Continued…

WECC TRDTF

– WECC aggregate transmission line performance monitor and tracking

– Facilitate Probabilistic Planning– Provide for a common format for general

use if desired, i.e., all of Western adopted

WECC TRDTF

• Completed Documents– User’s Manual for Reporting WECC

Common Transmission Outage Database– Forced Outage Performance of 200kV and

above Transmission Lines, Cable and Transformers

– Costs of Implementation Developed– Input Spreadsheet Formed

• Recently released to WECC website for review

User’s Manual

– User’s Manual for Reporting WECC Common Transmission Outage Database

– Two Parts• Outage Information Table• Transmission Circuit and Transformer Attribute

Table

Outage Information Table

• Transmission Lines, Transmission Cables and Transformers– Operator– Equipment Code– Start – Stop Time– Outage Cause Code– Outage Mode – Independent, Dependent or

Common Mode

Attribute Tables

– Transmission Circuits/Cables• From, To, Miles, Type, kV, Conductors per

phase, Overhead ground wire, insulation, cable type, Structure materials and types, common corridor, terrain and elevation.

– Transformer• 3 Phase or Single Phase, Location, high & low

side kV, Rating, In Service/Retirement Dates.

Forced Outage Performance…

• Annual Report on Aggregated Data

• Momentary and Sustained Outage Performance

• Circuit, Cables and Transformer– Per circuit, per 100 miles, duration– kV, cause code, cause code & common

mode (if applicable)

Costs of Implementation

• Survey of TRDTF– SRP, APS, Western (4 offices), BCTC, and

WECC

• 1st Year Costs– $6k – $55k, $30k Avg.

• Subsequent Years– $1k - $24k, $10k Avg.

Input Spreadsheet

• WECC Website Posting current• Field testing until February 1, 2007 with 2006

data• Edited per field testing• Re-released March 1, 2007• Complete data due May 1, 2007

• Subsequent years, annual data due February 15

• PCC Reps are Responsible for Reporting

Implementation Responsibilities

• WECC Staff– Receives annual data– Compiles and Manages Continuously– Answers Database ‘how to’ questions– Produces the Annual Report– Provides information to RPEWG

Implementation Responsibilities

• RPEWG– Members only have access to Raw Data– Access to data governed by RPIC

Approved Exhibit C– Raw outage information to compare

performance to WECC Performance Criteria, Table W-1

Implementation Responsibilities

• RS - Reliability Subcommittee– A designated contact, RS member,

responds to usage questions, or changes to database structure, format, definitions, interpretations and Final Report.

– Reviews and Approves for release Final Report

– RS Designee can call formation of Task Force

WECC TRDTF

• Exhibit C – Collection and Review of Transmission Forced Outage Data– Passed in RPIC 8 to 2 - 9.21.06– Defines Access to Transmission Reliability

Database• Only members of RPEWG and WECC Staff

members will have access to raw data• RPEWG members will be posted on WECC

website

WECC TRDTF

• Conclusions:– Operator and Planning Input– 3 Support Documents written– Inputs, Outputs, and Procedure Defined– Survey of Member and WECC costs– Confidentiality covered in Exhibit C

For PCC/OC Approval

• For Approval vote – • Approval of the (2) Documents:

– User’s Manual for Reporting to WECC Common transmission Outage Database;

– Forced Outage Performance of 200kV and above Transmission Lines, Cables and Transformers;

• Charges WECC Staff/RPEWG to collect and aggregate the transmission outage data and Reliability Subcommittee to issue Annual Report starting in May 2007 for 2006 outage data