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Report on Electric System Constraints and Needs: Executive Summary October 18, 2005. Bill Bojorquez Director, Transmission Services. Summary. Annual status report filed with PUCT System Operations Load (Peak Demand and Energy Forecast) Generation (Existing and Planned) Congestion Costs
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Report on Electric System Constraints and Needs: Executive SummaryOctober 18, 2005 Bill Bojorquez Director, Transmission Services
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
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
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
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)