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Report on Electric System Constraints and Needs: Executive Summary October 18, 2005 PowerPoint Presentation
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Report on Electric System Constraints and Needs: Executive Summary October 18, 2005

Report on Electric System Constraints and Needs: Executive Summary October 18, 2005

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Report on Electric System Constraints and Needs: Executive Summary October 18, 2005

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  1. Report on Electric System Constraints and Needs: Executive SummaryOctober 18, 2005 Bill Bojorquez Director, Transmission Services

  2. Summary • Annual status report filed with PUCT • System Operations • Load (Peak Demand and Energy Forecast) • Generation (Existing and Planned) • Congestion Costs • Improvement Costs • Area Constraints and Improvements • Completed improvements 1999-2005 • Planned improvements 2006-2012+ • Projected constraints 2006-2010

  3. 345-kV Completed Improvements 1999-2005 Summary of Completed Improvements 1999-2005 • Over $2.2 billion • 345 kV 1,600 circuit miles • 138 kV 2,500 circuit miles • 20,400 Transformer MVA • Numerous Reactive Additions

  4. 345-kV Planned Improvements 2006-2012+ Summary of Planned Improvements 2006-2012+ • Over $3.1 billion • 345 kV 1,400 circuit miles • 138 kV 2,000 circuit miles • 21,700 Transformer MVA • Numerous Reactive Additions

  5. Conclusions • ERCOT Region continues to lead planning and construction of system improvements • Capital and operational improvements provide significant reduction in congestion costs • Additional studies underway • Pre-Nodal Transmission Study • Senate Bill 20 Biennial Report on Transmission and Generation Needs (including support for determination of renewable energy zones)