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Resource Adequacy 2012

Generation Interconnection Information

View the latest information on generation resources in the ERCOT region.

Market Design Analysis

The Public Utility Commission of Texas (PUC) and ERCOT Board have been evaluating possible approaches to encourage new generation development within the ERCOT region to maintain adequate capacity reserves. This section includes reports and presentations associated with this investigative effort.

Newell Oct25 PUCT Workshop_Composite Options_10-19-2012
The Brattle Group report on 'composite' options for resource adequacy in ERCOT
Oct 19, 2012 - pdf - 745.4 KB
Resource Adequacy Assessment
CEO Trip Doggett's presentation at Texas Public Policy Foundation, 1-13-12
Jan 12, 2012 - pdf - 224.7 KB
Resource Adequacy Status Report to the Public Utility Commission
Scarcity Pricing Options for Summer 2012, April 12, 2012
Apr 10, 2012 - pdf - 44.8 KB
Resource Adequacy Update to GCPA
Warren Lasher presentation to Gulf Coast Power Association
May 7, 2012 - pdf - 271.6 KB

Planning Reserve Margin Analysis

The ERCOT Board of Directors has established a minimum reserve margin of 13.75 percent of peak electricity demand to cover electricity demand or generation plant outages that exceed expectations. This section consists of reports that describe the methodology and results of studies that help the Board determine the reserve margin.

Previous Assessments

View previous CDR and SARA reports.

Resource Adequacy Assessments

This biannual report contains a 10-year forecast of electric use and expected generation resources.

May 22, 2012 - xls - 1 MB
May 22, 2012 - pdf - 582.7 KB
Dec 28, 2011 - xls - 347.5 KB
CapacityDemandandReservesReport-Winter_2012_Final.xls
Capacity, Demand and Reserves Report - Winter Update 2012
Dec 10, 2012 - xls - 352.5 KB
CapacityDemandandReservesReport_Winter_2012_Final
Capacity, Demand and Reserves Report - Winter Update 2012
Dec 10, 2012 - pdf - 550.7 KB

The SARA is based on criteria similar to CDR, however the seasonal outlook reflects near-term weather forecasts, generator outage trends, and updates to the generation fleet. 

Sep 4, 2012 - pdf - 161.6 KB
Sep 4, 2012 - xls - 158.5 KB
Feb 29, 2012 - pdf - 63.7 KB
Spring 2013 Preliminary Seasonal Assessment
Preliminary Seasonal Assessment of Resource Adequacy for Spring 2013
Nov 1, 2012 - xls - 198 KB
Feb 29, 2012 - pdf - 65.1 KB
Winter 2012 Final Seasonal Assessment
Seasonal Assessment of Resource Adequacy for Winter 2012-13
Nov 1, 2012 - xls - 175.5 KB
Sep 4, 2012 - pdf - 162.5 KB