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TAC Report to the ERCOT Board

TAC Report to the ERCOT Board. December 16, 2003. Summary. Guides Approval Notification Test Plan Timelines Revision Notification Five Protocol Revisions for Approval. Guides Approval. Competitive Metering Guides Initial version approved in preparation for January 1, 2004

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TAC Report to the ERCOT Board

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  1. TAC Report to the ERCOT Board December 16, 2003

  2. Summary • Guides Approval Notification • Test Plan Timelines Revision Notification • Five Protocol Revisions for Approval

  3. Guides Approval • Competitive Metering Guides • Initial version approved in preparation for January 1, 2004 • Operating Guide Revision 139 • Addresses Communications with Black Start Facilities

  4. August 1, 2004 RMS Approved production roll out date for Version 2.0, including MIMO and Stacking transaction changes 3/05/04 Flight Ends 6 Wk. Test 3/12/04 Flight Kickoff Flight V1.6-0104 New CRs & DNPs 4/23/04 Flight Ends 6 Wk. Test 5/14/04 Flight Kickoff Flight Notice 1/6/04 7/23/04 Flight Ends Flight V1.6-0304 New CRs 10 Wk. Test Flight V2.0-0504 All Market Players & DNPs 9/10/04 Flight Kickoff 0504 Flight Notice 3/5/04 11/19/04 Flight Ends 10 Wk. Test Flight Notice 7/7/04 Flight V2.0-0904 New CRs 2004 2003 Jan Feb Mar Apr May Jun July Aug Sept Oct Nov Dec NAESB Version 1.6 Phase 2 Test 1/5 - 2/13 NAESB Version 1.6 Phase 3 Test 2/16 - 3/26 2004 Market Test Time Line 1/23/04 Flight Kickoff

  5. PRRs Recommended for Approval • 436 – Enhance LaaR/BUL Ability to Participate in Balancing Energy Up Service • 451 – Clarification of Ancillary Services Obligation Calculation • 466 – Extension of No Market Solution • 474 – Short Pay Payment Plan • 475 – Unit-Specific Deployment Based on Generic Cost

  6. PRR436 – Enhance LaaR/BUL Ability to Participate in Balancing Energy Up Service • Facilitates demand response through BUL • Minor computer system and business practice impact, manual workaround will be employed, staffing requirement estimated at 0.2 FTE • Effective upon system implementation • TAC approved by a 26 to 0 vote with 2 abstentions

  7. PRR451 – Clarification of Ancillary Services Obligation Calculation • Bases A/S obligation on actual metered Load Ratio Share • Improves accuracy of obligation • Computer system impact, staffing impact estimated at 0.1 FTEs, no workaround • Effective upon system implementation • TAC approved by a 21 to 2 vote with 5 abstentions

  8. PRR466 – Extension of No Market Solution • Extends suspension of market solution from December 31, 2003 to February 1, 2005 • No impacts • Effective January 1, 2004 • TAC approved by a 24 to 2 vote with 2 abstentions

  9. PRR474 – Short Pay Payment Plan • For short-pays, after 180 days, if payment plan implemented, ERCOT posts the plan, the expected payment amounts, and applicable invoice dates • Assists QSE financial reporting • Effective January 1, 2004 • TAC approved unanimously

  10. PRR475 – Unit-Specific Deployment Based on Generic Cost • Sets unit specific bid prices at generic cost plus zero percent as interim patch until WMS approves a modified generic cost structure • Ensures economic deployment of units for local congestion, potentially lowering uplift amounts • No significant impacts • Effective January 1, 2004 • TAC approved unanimously

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