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Protocol Revision Subcommittee

July 4th Edition. Protocol Revision Subcommittee. Report to ERCOT Technical Advisory Committee July 2, 2003. Urgent PRR Timelines. PRR 423 – Dispatch of QFs Below Minimum Generation Levels PRR 424 – Elimination of Resource Specific Deployment Used for Energy Balance Purposes

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Protocol Revision Subcommittee

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  1. July 4th Edition Protocol Revision Subcommittee Report to ERCOT Technical Advisory Committee July 2, 2003

  2. Urgent PRR Timelines • PRR 423 – Dispatch of QFs Below Minimum Generation Levels • PRR 424 – Elimination of Resource Specific Deployment Used for Energy Balance Purposes • PRR 429 – Disclosure of TDSP Information • PRR 431 – Collateral Requirements for Relaxed Balanced Schedules and Estimated Aggregate Liability

  3. PRR 382 – Settlement Statement Suspension • Allows the Board to direct ERCOT to suspend the issuance of any Settlement Statement to address unusual circumstances with TAC review and comment • No impact to ERCOT computer systems • Effective August 1, 2003

  4. PRR 402 – Delete Good Friday Holiday • Conforms Protocols to ERCOT operations (i.e., Good Friday is not an observed holiday) • No impact on ERCOT computer systems • Effective August 1, 2003

  5. PRR 405 – Underscheduled Replacement Reserve Capacity • Conforms Protocols to reflect implementation of PIP 132 and PRR 394 • No impact on ERCOT computer systems • Effective August 1, 2003

  6. PRR 406 – 2-Year Forward CSC and Zone Designation • Substitutes a 2-year forward CSC/zone designation for the current annual process • No action taken by TAC in June • No impact on ERCOT computer systems • Effective July 17, 2003

  7. PRR 408 – High Voltage Direct Current Tie Schedule Data • Requires ERCOT to provide HVDC Tie information to TDSPs • PRS added the data provided to the TDSP to the list of protected information • Impact on ERCOT staffing • Effective August 1, 2003

  8. PRR 411 – Protocol Clarification Request • Provides a clarification process for the interpretation of the Protocols • No impact on ERCOT computer systems • Effective August 1, 2003

  9. PRR 415 – Modify Limit for LaaRs Responsive and Non-Spin Service • Helps to maximize the amount of load that can participate in the Responsive Reserve market without jeopardizing reliability or increasing costs • Impact on ERCOT business practices & potentially staffing • Effective August 1, 2003

  10. PRR 419 – Transfer of Balancing Up Load (BUL) Qualification Testing to QSEs, • Transfers BUL testing responsibility from ERCOT to the QSE representing the BUL. If the BUL does not respond when dispatched, the QSE does not receive any capacity payment and the qualification testing responsibility is transferred back to ERCOT • No impact on ERCOT systems • Effective July 17, 2003

  11. PRR 422 – Out of Merit Zonal Dispatch Instructions • Provides details on deployment and settlement of Zonal OOME Dispatch Instructions in command and control conditions. • Impacts ERCOT computer systems & potentially staffing; manual workaround • Effective July 17, 2003

  12. PRR 423 – Dispatch of Qualifying Facilities Below Minimum Generation Levels • Provides that ERCOT shall use other Resource Dispatch options to maintain system reliability prior to Dispatching a Generation Resource below its Low Operating Limit • Impacts ERCOT computer systems and may impact staffing • Effective upon system change

  13. PRR 424 – Elimination of Resource Specific Deployment Used for Energy Balance Purpose • Eliminates the Resource specific deployments for energy balance purposes (Category 4) and will reduce the cost of Local Congestion that is currently uplifted to all Loads • Impacts ERCOT computer systems • Priority 1.1 • Effective on system implementation

  14. PRR 429 – Disclosure of TDSP Information • Make it clear that ERCOT will disclose and share with a TDSP any confidential information it has received or has knowledge of that would affect the operation and security of the TDSP • No impact on ERCOT computer systems; may impact staffing • Effective August 1, 2003

  15. PRS Summary • Urgent Timeline • PRR 423, 424, 429 & 431 • Recommended Approval • PRR 382 -- Settlement Suspension • PRR 402 – Delete Good Friday Holiday • PRR 405 – Underscheduled Replacement • PRR 406 – 2-Year Forward CSC/Zone • PRR 408 – HVDC Tie Info to TDSPs • PRR 411 – Protocol Clarification Process • PRR 415 – LaaR Limitation

  16. PRS Summary • Recommended Approval • PRR 419 – BUL Testing Responsibility • PRR 422 – OOM Zonal Dispatch • PRR 423 – QF Dispatch Below MinGen Level • PRR 424 – Eliminate Resource Deployments • PRR 429 – Disclosure of TDSP Info

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