Power Supply

Existing and new/proposed power plants

Charts below are based on the Council’s generating resources project database (Excel file, updated May 2018) of projects under construction, permitted sites, proposals, recently-completed projects and recent retirements. Email corrections/updates to Gillian Charles.

Capacity is essentially the 'horsepower' rating of power plants, or how much they are designed to produce at full load operation. Download chart as PNG
* Other includes geothermal, petroleum, and solar

Capability is the maximum amount of energy the plants are capable of producing over the course of an average year. Download chart as PNG
* Other (yellow segment) includes geothermal, petroleum, and solar

Total energy produced each year. Download chart as PNG

Data from EIA. Region includes WA, OR, ID, and MT, plus Jim Bridger (WY) and half of North Valmy (NV). Download chart as PNG

Energy brought online or retired each year (new plant construction, etc.). Download chart as PNG