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Enron Mail |
Process for Identifying
Commercially Significant Constraints (CSCs) 1. The ERCOT Engineering Subcommittee (ESC) Steady State Task Force (SSTF) will complete preparing the Summer 2001 On Peak base case around December 1, 2000. 2. Using that base case, ERCOT System Planning will conduct an analysis of the base case identifying transmission constraints and possible congestion zones. The performance criteria used in evaluating the system will be the ERCOT Planning Criteria. These results will be provided for stakeholder/market entity review and input in January. 3. Based upon this input, ERCOT will develop a recommendation and present to the TAC the identified transmission constraints and related CSC zones in early February. 4. Once CSC's are identified, shift factors will be calculated on each transmission constraint relating to each CSC. These will be provided to a stakeholder working group for development of average shift factors for use in applying congestion management to the market transactions. ------------------------------------------------- ERCOT System Planning is preparing calculations and data to support the identification of Commercially Significant Constraints (CSC). This work will be posted on the Internet very soon for stakeholder review and input. A meeting to discuss these calculations with stakeholders will be held: Wednesday, January 31 9:30 AM to 3:30 PM Red Lion Hotel in Austin (I35 & 290) The goal of this meeting is to identify which transmission system contingencies and limiting elements are commercially significant. After CSC's are determined at this meeting, ERCOT will develop a recommendation and present it to TAC at their February 7 meeting. We have also set up an email account to receive comments. Its email address is csccomments@ercot.com It will be available throughout this process to receive comments and input. Your cooperation in this matter is appreciated. Kenneth A. Donohoo, PE Manager of System Planning, Technical Operations ERCOT 2705 West Lake Dr. Taylor, TX 76574-2136 (512)248-3003, FAX(512)248-3082
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