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CMWG Update to WMS 2-13-13

CMWG Update to WMS 2-13-13. Report of CMWG Meeting on 2-4-13. 2-4-13 Meeting Summary. Recommendation to WMS on CMWG Leadership for 2013 Chair: M. Wagner Vice Chair: Kris Dixit WMS Vote

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CMWG Update to WMS 2-13-13

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  1. CMWG Update to WMS2-13-13 Report of CMWG Meeting on 2-4-13

  2. 2-4-13 Meeting Summary • Recommendation to WMS on CMWG Leadership for 2013 • Chair: M. Wagner • Vice Chair: Kris Dixit • WMS Vote • ERCOT Procedure Changes on the “Dispatchable by SCED language” in Transmission & Security Ops Procedure. When implemented a constraint will be activated if there are units that can solve the overload with shift factor > 2% (whether or not unit is online) • ERCOT to update • Overmitigation NPRR Status

  3. Implementation of NPRR 463 • Risk of Oversold CRRs During Transition • Current New

  4. Implementation of NPRR 463 • Possible Options for dealing with oversold issue: • Do nothing—proceed as planned • “Pre auction aggregation” by source sink pair—not possible in implementation timeframe • Skip the July – Dec 2013 6 Month auction and sell all capacity in monthlies • Scale existing inventory • Reduce amount of transmission capability sold in first auctions • Others?

  5. Implementation of NPRR 463 • Transaction Bid Limits—current limits for Year 1/Year 2 are 2500/3000 • Discussion that limits on per auction basis likely will be at <=2500 per CRR AH per auction • CRR Auction Revenue Distribution (CARD) • By late summer to meet 12/1/13 (Protocols 7.4.7) deadline we need to decide whether to keep/modify existing method wherein revenues from: • CRRs source/sink within Zone  LRS to load within zone • CRRs source/sink between Zones  LRS ERCOT Wide

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