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Protocol Revision Subcommittee

Protocol Revision Subcommittee. Presentation to the ERCOT Technical Advisory Committee April 8, 2004. Urgency Requests. PRR495 – Effect of Short Payments Owed on Estimated Aggregate Liability To be considered by PRS in April PRR 497 – Unavailable Units and RMR Agreements

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Protocol Revision Subcommittee

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  1. Protocol Revision Subcommittee Presentation to the ERCOT Technical Advisory Committee April 8, 2004

  2. Urgency Requests • PRR495 – Effect of Short Payments Owed on Estimated Aggregate Liability • To be considered by PRS in April • PRR 497 – Unavailable Units and RMR Agreements • Language expired prior to replacement • PRR 492 – Plan to Alleviate Chronic Local Congestion • Maintain timeline in effect when filed • PRR 485 – Revision to Unit-Specific Deployment • Meet EMMS4 deadline for incorporation

  3. PRR 468 – Frequency Response Requirements & Monitoring • Establishes standards for QSE portfolio generation governor response & performance monitoring • Recommendation includes comments of WMS/ROS task force • Effective May 1, 2004 • Adds 0.25 FTE for Compliance

  4. PRR 483 – Interruptible LaaR Response to Instructions • Adds to LaaR telemetry requirement • Removes “Box” for LaaR response in SCE • Effective May 1, 2004 • No impact on computer systems, business functions or operations

  5. PRR 485 – Revision to Unit-Specific Deployment • Part of CEDI TF/WMS efforts • PRR sets unit specific bid premiums based on generic costs, excludes RMR units and units in testing from unit specific bid premiums, and excludes application to nuclear, hydro, QFs, renewables & LaaRs • Effective on system implementation • Included in EMMS4/Lodestar, manual workaround requires 0.75 FTE

  6. PRR 487 – Black Start Resources • Allows for generator in adjacent reliability area to provide black start service to ERCOT border resources • Effective upon filling staff requirement • Requires 0.25 FTE to implement for 2005

  7. PRR 488 – Weather Responsiveness Determination • Requirements intended to reduce frequency of incorrect weather sensitivity codes for ESI IDs • Effective upon system implementation • Minor impacts to computer system and business functions • Priority 1.3 assigned

  8. PRR 489 – A/S Deployment Performance Conditions • Amends QSE performance criteria to eliminate certain intervals from consideration due to system events (e.g., ERCOT instructions) • Effective May 1, 2004 • No impact on computer systems, staffing or grid operations; minor business process impacts

  9. PRR 490 – LaaR Annual Testing Description • Shifts LaaR telemetry testing from seasonal to annual and introduces biennial testing of under-frequency relays if providing RRS • Effective May 1, 2004 • 0.1 FTE already in ERCOT Budget

  10. PRR 492 – Plan to Alleviate Chronic Local Congestion • Requires ERCOT to identify areas of chronic local congestion and exit strategies (similar to RMR) • Effective upon system implementation and filling of ERCOT staffing requirements • Requires computer system development; 2-4 FTEs required depending on implementation method; business process impacts; no grid or operations impacts

  11. PRR 497 – Unavailable Units and RMR Agreements • Reinserts RMR evaluation and notice language that expired 3/31/04 as required by the adoption of PRR 452 • New RMR language drafted by RMR TF and submitted for April PRS review (PRR 507) • Effective April 21, 2004 • No impact on computer systems, business functions or grid operations

  12. Recommended Rejections • PRR 486 – Fuel Oil Inventory Service

  13. PRS Accepted Withdrawals • PRR 384 – Advisory Opinion • Superceded by PUC rule • PRR 480 – Reporting of Switch and Move-In Data • Withdrawn after RMS/Submitter communication

  14. Recommended TAC Actions Urgency – 495 (Short-Pay), 497 (RMR), 492 (Local Congestion), & 485 (Unit-Specific) Approval – PRR 468 (Frequency Standards) PRR 483 (LaaR telemetry) PRR 485 (Unit-Specific – CEDI/WMS) PRR 487 (Black Start) PRR 488 (Weather Determination) PRR 489 (A/S Performance) PRR 490 (LaaR Testing) PRR 492 (Local Congestion) PRR 497 (RMR) Rejection – 486 (Fuel Oil)

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