U.S. electricity: summer capacity resources by region

This graph shows the U.S. electricity capacity resources in the summer of 2010, by regional entity. During the summer of 2010, the Texas Regional Entity (formerly ERCOT) had capacity resources of around 247,400 megawatts.

U.S. electricity summer capacity resources* in 2010, by region (in megawatts)

Characteristic	Summer capacity resources in megawatts
FRCC	53,370
NPCC	67,569
TRE (formerly ERCOT)	73,857
WECC	158,407
Balance of Eastern Region	571,719
Contiguous U.S.	924,922

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Release date

November 2011

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Region

United States

Survey time period

2010

Supplementary notes

* According to the source, capacity resources are utility- or IPP-owned generating capacity that is existing or in various stages of planning or construction, less inoperable capacity, plus planned capacity purchases from other resources, less planned capacity sales.
** Regional name has changed from Mid-Continent Area Power Pool to Midwest Reliability Organization.
The abbreviation NERC stands for North American Electric Reliability Corporation.

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