Harika Basaran3/17/2014

TAC FEBRUARY 27, 2014 Meeting Update

to Commercial Operations Subcommittee

NPRRs & RRs & OBDs Approved

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• NPRR533, Clarification of PCRR Eligibility Requirements – URGENT

• NPRR584, Alignment with TAC Procedures to Shorten the Appeals Timeline

• NPRR586, Align Credit Lock for CRR Auctions with Transaction Submission Deadline

• NPRR598, Clarify Inputs to PRC and ORDC – Urgent• Revisions to Methodology for Implementing Operating Reserve Demand Curve (ORDC) to Calculate Real-Time Reserve Price Adder – Approved

with ERCOT comments• Addition to Other Binding Documents List - Methodology for Implementing Operating Reserve Demand Curve (ORDC) to Calculate Real-Time

Reserve Price Adder

• SCR779, Increase to the CRR Auction Transaction Limit

• Notice of PRS Rejection• NPRR574, Removal of Offer Curve Flexibility for DAM-Committed Resources• NPRR582, Refinements to Testing ERS (TAC assigned the subject of all generation testing and its impact on the market to WMS)

• NOGRR127, Synchronization with NPRR564, Thirty-Minute Emergency Response Service (ERS) and Other ERS Revision

NPRRs & RRs & OBDs Approved

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• M2 Credit Parameter – Multiplier for URTA per 16.11.4.1 reduced from 10 to 9– Reflecting the RTM timeline reduction, at its January 22, 2014 meeting the CWG/MCWG recommended reducing the

M2 multiplier from 10 to 9, effective on the first day of the month following ERCOT Board approval, but no sooner than May 1, 2014.

– CWG/MCWG will review the operational impacts of the shortened RTM timeline prior to making a determination as to whether additional reductions in M2 are warranted.

M2 = 10 Multiplier for URTA. Provides for unbilled historical activity based on historical activity. Revisions to the multiplier will be recommended by TAC and approved by the ERCOT Board. ERCOT shall update the multiplier value on the first day of the month following ERCOT Board approval unless otherwise directed by the ERCOT Board. ERCOT shall provide notice to Market Participants prior to implementation of the revised values.

Other Items of Interest to COPS

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2. ERCOT Board Update •Committee Education on Project Priority List and Discussion of Business Case/Cost Benefit Analysis Process and Project Funding- Betty Day (ERCOT) http://ercot.com/calendar/2014/02/20140227-TAC

TAC chair requested that members pay more attention to develop the business cases for higher cost NPRRs/SCRs and/or controversial ones.

3_Committee_Education_on_Project_Priority_List.pdf

QUESTIONS