Power Supply

Existing and new/proposed power plants

Charts below are based on the Council’s generating resources project database (Excel file, updated Sep 2016) 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

Capability is the maximum amount of energy the plants are capable of producing over the course of an average year

Total energy produced each year

Energy brought online or retired each year (new plant construction, etc.)


Power generation map

View hundreds of Northwest power facilities in this Google Maps tool. Links to detail for each facility. Also see the Dam Guide.

Power supply outlook

The outlook provides a daily snapshot of reservoir levels, water flows, and power flows in the Northwest.