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ERCOT CRR Update to CMWG

ERCOT CRR Update to CMWG. Matt Mereness ERCOT Manager Day-Ahead Market and CRR Auction. Outline of CMWG Discussion. Long-Term Auction Sequence update Sequence and calendar Discussion of NPRR530 impacts. Spring 2013 CRR Calendar- Long-term Auction Sequences. MAY. JUNE. JULY. Sequence1

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ERCOT CRR Update to CMWG

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  1. ERCOT CRR Update to CMWG Matt Mereness ERCOT Manager Day-Ahead Market and CRR Auction ERCOT Public

  2. Outline of CMWG Discussion • Long-Term Auction Sequence update • Sequence and calendar • Discussion of NPRR530 impacts ERCOT Public

  3. Spring 2013 CRR Calendar- Long-term Auction Sequences MAY JUNE JULY Sequence1 July-Dec 2013 70% Sequence2 Jan-Jun 2014 45% Credit Lock and Run dates April29-May17, 2013 Sequence3 July-Dec 2014 30% Credit Lock and Run dates May20-Jun7, 2013 Sequence 4 Jan-Jun 2015 15% Credit Lock and Run dates June10-28, 2013 Credit Lock and Run dates Jul1-19, 2013 ERCOT Public

  4. Approved calendar posted Calendar posted for next 2 years: http://mis.ercot.com/misapp/GetReports.do?reportTypeId=11180&reportTitle=CRR Activity Calendar&showHTMLView=&mimicKey ERCOT Public

  5. Sequence status • Sequence 1 (July-Dec 2013) • Models posted on-time April 2 • Auction Notice and Credit Open April 10 • Credit Locked April 29 with $489 million • Bid Window Close May 2 at 5pm • Post results by May 16 • Sequence 2(Jan-Jun 2014) • Models posted April 23 • Auction Notice and Credit Window Open May 1 • Credit Lock May 20 • Bid Window Close May 23 • June Monthly • Models posted April 23 • Auction Notice and Credit Open April 26 • Credit Lock May 6 ERCOT Public

  6. ERCOT filed comments on NPRR530 • ERCOT has performed Load analysis to estimate the potential impacts from NPRR530. By studying average Load from the 2012 4-Coincident Peak (4-CP) intervals, ERCOT estimates that the movement of the seven NOIEs’ Loads will result in a decrease in the LCRA Load Zone by approximately 21%, and that the South Load Zone will increase by approximately 11%. • ERCOT believes it can accommodate the changes in model topology in time for the in-flight 2013 Spring Long-Term Auction Sequence, by making manual changes to the Congestion Revenue Right (CRR) Network Models for Sequences 2 & 3. ERCOT believes this is a low risk model change. As a result, if this NPRR is approved at the May 14, 2013 ERCOT Board meeting, ERCOT would work to re-post the modified models that reflect the approved Load Zone change. The CRR calendar would not change, but there would be updates to the model on the schedule below: • Sequence 2 Models that post April 23, 2013, would be replaced after ERCOT Board approval on May 14, 2013, and before May 21, 2013, when the bid window opens. • Sequence 3 Models that post May 13, 2013, would be replaced after ERCOT Board approval on May 14, 2013, and before June 10, 2013, when the credit lock occurs. • ERCOT will work to build parallel models (with the Load Zone changes) if TAC approves NPRR530. This will be done in an effort to post the ERCOT Board-approved CRR Network Model changes as soon as possible after any May 14, 2013 approval. ERCOT Public

  7. Details of how model updated with NPRR530 ERCOT Public

  8. Details of how model updated with NPRR530 Subset of Busses/Load will change from LZ_LCRA to LZ_SOUTH ERCOT Public

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