Electric capacity resources for U.S. NERC region WECC

* Capacity Resources: Utility- and 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.
The summer peak period begins on June 1 and extends through September 30. Totals may not equal sum of components because of independent rounding.
** This figure was taken from a previous edition of the report.