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SCED Constraint Competitiveness Test ( CCT) Update Review of (10/1/2013 to 11/30/2013)

SCED Constraint Competitiveness Test ( CCT) Update Review of (10/1/2013 to 11/30/2013). Market Analysis ERCOT. Background of NPRR 520 (SCED CCT). Why Change? SCED over-mitigation issues What Changed? No Monthly and Daily Constraint Competitiveness Test (CCT)

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SCED Constraint Competitiveness Test ( CCT) Update Review of (10/1/2013 to 11/30/2013)

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  1. SCED Constraint Competitiveness Test (CCT) Update Review of (10/1/2013 to 11/30/2013) Market Analysis ERCOT

  2. Background of NPRR 520 (SCED CCT) • Why Change? • SCED over-mitigation issues • What Changed? • No Monthly and Daily Constraint Competitiveness Test (CCT) • SCED CCT runs every 5 minutes (or whenever SCED is executed) • Less set of Resources get mitigated • Minimizing unnecessary Base Point oscillations/QSGR dispatch CMWG

  3. System Lambda Increase (10/1-11/30) CMWG

  4. Mitigation Ratio CMWG

  5. Increased Peaker Net Margin (PNM) CMWG

  6. Pivotal Players For Each Active Constraint (10/1-11/30) CMWG

  7. Pivotal Players For Each Active Constraint (10/1-11/30) (continued) CMWG

  8. Top 10 Non-Competitive Constraints Based on Frequency (10/1-11/30) CMWG

  9. Constraints with Both Competitiveness Status (10/1-11/30) CMWG

  10. Summary of Impact of NPRR 520 CMWG

  11. Thanks! CMWG

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