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ERCOT Five-Year Transmission Plan Update

ERCOT Five-Year Transmission Plan Update. Jeff Billo. 2010 5YTP Reliability Analysis. 2011-2015 Reliability Analysis Updated set of reliability projects with required in-service dates posted Generation outage scenarios not completed for 2011-2014. 2010 5YTP Economic Analysis.

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ERCOT Five-Year Transmission Plan Update

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  1. ERCOT Five-Year Transmission Plan Update Jeff Billo RPG Meeting

  2. 2010 5YTP Reliability Analysis • 2011-2015 Reliability Analysis • Updated set of reliability projects with required in-service dates posted • Generation outage scenarios not completed for 2011-2014 RPG Meeting

  3. 2010 5YTP Economic Analysis • 2015 Assumptions • Case contains all CREZ transmission facilities • Case contains all existing generation plus plants with SGIAs • Recent retirements/ mothballs removed from service • Greens Bayou 5 and SR Bertron 1 and 2 removed • Gas price assumptions posted • Fayetteville-Zenith 345 kV project added as “first” economic project • 2015 Economic Analysis • Initial set of economic projects posted • 2011-2014 Economic Analysis • Initial analysis has just begun RPG Meeting

  4. Economic Analysis Update • Early plan included projects that changed the injection of west Texas plants from load serving system to CREZ facilities • Trent/ South Trent power injecting into Sweetwater East instead of Eskota • McAdoo power injecting into Cottonwood instead of Spur • These projects have been removed from the 2010 5YTP • Pending results of ABB CREZ Reactive Study • Pending NPRR 264 • Other policy issues may need to be addressed • May be added in future plans once the above issues get resolved RPG Meeting

  5. 2010 5YTP Update • Next Steps • Finish 2011-2014 reliability analysis (generator outage analysis) • Finish 2011-2015 economic analysis • CREZ-level generation analysis • Write draft report RPG Meeting

  6. Questions? March 12, 2010 RPG Meeting

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