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Report to TAC June 2006 Briefing Summary

Overview of key reports and recommendations from working groups and task forces presented to TAC in June 2006, including updates on metering, co-optimization strategies, and frequency control. The report highlights issues addressed and actions taken by the committees.

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Report to TAC June 2006 Briefing Summary

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  1. WMS Report TO TAC June 2006

  2. In Brief • Three Working Group reports • Three Task Force Reports • One RPRS presentation from ERCOT • TAC assignments to WMS from TNT • Didn’t make it through the agenda

  3. Working Group ReportsMetering • SMOGRR005 – Change Control Process was not consistent with Protocol Section 21, Process for Protocol Revision. • WMS unanimously approved a motion to recommend that TAC approve the changes

  4. Task Force ReportsCo-Optimization • Two meetings resulting in a Whitepaper and a recommendation to WMS • An hour ahead model can probably be done • Recommend against a 5-minute model • Asks ERCOT to solicit vender information • Commission Staff Expressed concerns about the outcome • Asks ERCOT to solicit vender information • WMS endorsed Whitepaper and supported both requests for vender information

  5. Task Force ReportsCo-Optimization • Follow up meetings with Commission Staff • Ongoing concerns with missed opportunities associated with real time co-optimization • More information to be sent to TAC before July • Post Nodal Implementation Plan • Implementation effectiveness evaluation plan • Includes a formalized list of issues to be explored and voted at a point TBD after Nodal implementation • Real Time Co-optimization will be on the list

  6. Working Group ReportsQSEWG • Non-Spin Recall • Multiple BES Ramp Rate Feasibility • LOL Deadband • RMR Claw-back provision • PRR 607 – One Minute Ramping

  7. Working Group ReportsDSWG • Long term solution for the negative LaaR bidding issue. • Demand Response in EECP discussion • Generation Adequacy Rule review

  8. High Level Overview of Solutions * Icon size represents relative impact when compared with other alternatives.

  9. High Level Overview of Solutions * Icon size represents relative impact when compared with other alternatives.

  10. Working Group ReportsDSWG • WMS voted to Eliminate the sunset date in the Zonal Protocols and implement Alternative C in Nodal Market Design Mary Anne is drafting PRR Clayton is drafting NPRR Both are working with Steve Krein

  11. Task Force ReportsCC RPRS • Provide consistency between OOMC and Local RPRS generic startup payment formulas • Resolve inconsistency between modeling of CCCTs in RPRS studies and reality • CCCT Generic Startup Cost Issues • Work is not finished and ERCOT has raised some unanswered concerns.

  12. Frequency Task Force • Drove WMS to recommendations on PRR 661 and 662 • Will take up Primary Frequency control in coordination with ROS and the PDC

  13. Staff Update on RPRS Function and Settlement • Non-Spin Resources • Jointly Owned Units • Zonal Congestion • Under schedule Charge for RPRS

  14. TAC assignments to WMSWMS had no input on these • Resource Plans • Updating Resource Plans • Offline Capacity Not Available • Max Capability in Resource Plans • How Much Wind Capacity to Count as Available

  15. Subgroups of WMS • Combined Cycle RPRS Task Force • Co-Optimization Task Force • Generation Adequacy Task Force • WMS Frequency Control Task Force • Congestion Management Working Group • Demand-Side Response Working Group • Metering Working Group • Qualified Scheduling Entity Managers Working Group

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