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CMWG Meeting Summary & Recommendations for ERCOT Procedures and Leadership for 2013

This document summarizes the CMWG meeting held on February 4, 2013, led by Chair M. Wagner and Vice Chair Kris Dixit. It includes recommendations to the WMS regarding CMWG leadership for 2013. Key topics discussed include the implementation of ERCOT procedure changes for "Dispatchable by SCED" language, the status of Overmitigation NPRR and NPRR 463, and options for addressing oversold CRR issues during transition periods. Revenue distribution methodologies for CRRs were also reviewed as part of the ongoing protocol evaluations.

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CMWG Meeting Summary & Recommendations for ERCOT Procedures and Leadership for 2013

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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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