WA

Chief Joseph

General information

Waterway  Columbia River
Current status   Active license 
Type of facility Conventional Hydro
Type of permit US Army Corps of Engineers

Ownership and operation

Owner USCE-North Pacific Division
Owner type USACE
Year first online (conventional hydro) 1955
Transmission or distribution system owner Bonneville Power Administration

Power and generating capacity

Number of units 27
Total capacity from hydraulic turbine-generator units within each plant 2,456.2 MW
Average annual net hydropower generation 11,239,183.7 MWH

Chief Joseph Dam Spillway

 

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