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2007 Goals and Achievements of ERCOT Wholesale Market Subcommittee

This report outlines the goals and accomplishments of the ERCOT Wholesale Market Subcommittee (WMS) for 2007. Key objectives included identifying strategies to minimize involuntary load loss, reviewing reserve margin calculation methodologies, resolving issues related to Renewable Production Potential and Uninstructed Resource Charges, and examining ancillary services settlements and market power rules. Additionally, the WMS addressed important operational issues, developed competitive constraint processes, and made significant progress on nodal market issues, ensuring enhanced reliability and efficiency within the ERCOT market.

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2007 Goals and Achievements of ERCOT Wholesale Market Subcommittee

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  1. WMS Report TO TAC January 2008

  2. Wholesale Market Subcommittee (WMS): 2007 Goals • Identify cost-effective strategies to minimize involuntary loss of load probability (EILS and successor issues). • Complete review of revised ERCOT reserve margin calculation methodology and make appropriate recommendation to TAC. • Resolve the issue of Renewable Production Potential (RPP) & Uninstructed Resource Charge (URC). • Examine settlement of Ancillary Services for multiple markets. • Examine Implementation of CREZ & Resource Adequacy/Market Power Rules. • Evaluate the capacity value of distributed generation. • Determine the verifiable and minimum-energy costs for the Nodal Market.

  3. Additional accomplishments for 2007 • Resolved issues associated with Non-Spin Deployment in Nodal • Initiated the work of the RTTF – project take over by the PUC and still underway • Developed the process for determining competitive constraints in nodal • Reviewed and resolved issues associated with the McCamey area operations • Reviewed the operations of the RTCAM implementation • Prolonged discussions of the Price Formation issues associated with the over lap between reliability VS Market operations • Developed process for LaaR interruptions during EECP for nodal • Shepherded the development of zones and CSCs for 2008 in a decision that was wisely overturned by TAC in favor of the number 2 choice of WMS

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