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Protocol Revision Subcommittee

Protocol Revision Subcommittee. Presentation to the ERCOT Technical Advisory Committee November 2, 2006. 2 Rejections 1 Withdrawal 1 NPRRs for Approval 4 PRRs for Approval 3 Non-System Changes – IA only 1 System Change. PRS Summary.

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Protocol Revision Subcommittee

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  1. Protocol Revision Subcommittee Presentation to the ERCOT Technical Advisory Committee November 2, 2006

  2. 2 Rejections 1 Withdrawal 1 NPRRs for Approval 4 PRRs for Approval 3 Non-System Changes – IA only 1 System Change PRS Summary

  3. PRR 680 – Procurement of Capacity for Load Forecast Uncertainty -- URGENT PRS unanimously voted to reject PRR 680; all market segments were present PRR 692 – Corrections to Replacement Reserve Service PRS voted to reject with 2 votes “no” and 2 abstentions; all market segments were present CNE appealing rejection to TAC Rejected PRRs

  4. PRR 553 – Scheduling Trading Hubs Previously approved by PRS and reviewed by TAC – requires TAC confirmation of withdrawal acceptance Withdrawn PRRs

  5. PRS recommended approval, with abstentions, of: NPRR024 – Synchronization of PRRs 627 & 640 Revises protocols related to RMR including revisions to the incentive factor calculation, development of target and actual availability, reporting of actual fuel costs and environmental provisions ERCOT will conclude the impact analysis prior to November 12. Nodal PRRs

  6. PRR 677 – Substitute Source for Fuel Price Index (FIP)

  7. PRR 677 – Substitute Source for Fuel Price Index (FIP) No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

  8. PRR 681 – Discontinuation of Interest Charge for Defaulting Entities at Time of Uplift

  9. PRR 681 – Discontinuation of Interest Charge for Defaulting Entities at Time of Uplift No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

  10. PRR 684 – Mass Transition Process Necessary for PUCT Rule 31416

  11. PRR 684 – Mass Transition Process Necessary for PUCT Rule 31416 No Impact Impact Description Item Reviewed Included in TX SET 3.0 Budget Staffing Included in TX SET 3.0 Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

  12. PRR 689 – Down Balance Qualification for Renewable Resources

  13. PRR 689 – Down Balance Qualification for Renewable Resources4 No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

  14. Recommended TAC Actions • Approval • PRR 677 – Substitute Source for Fuel Index Price (FIP) • PRR 681 – Discontinuation of Interest Charge for Defaulting Entities at Time of Uplift • PRR 684 – Mass Transition Process for PUCT Rule 31416 • PRR 689 – Down Balance Qualification for Renewable Resources

  15. Discussion of PRR/SCR System Change Moratorium • TPTF/Nodal Project Management requested PRS to evaluate a moratorium on PRR/SCR system changes • PRS discussed and concluded: • Not comfortable with moratorium • Will rely on existing tools and conduct stricter review of PRRs/SCRs requiring system changes • CBA with benefits dependent on time before nodal implementation if not carried over • Decision tree analysis that considers impact on nodal resources and schedule • PRS/ERCOT looking for means to pre-determine if system change is likely to be rejected prior to in-depth ERCOT analysis

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