WA

Lower Monumental

General information

Waterway  Snake River
Current status   Active 
Type of facility Conventional Hydro
Mode of hydropower generation Run-of-river
Type of permit US Army Corps of Engineers

Ownership and operation

Owner USCE-North Pacific Division
Owner type USACE
Year first online (conventional hydro) 1969
Transmission or distribution system owner Bonneville Power Administration

Power and generating capacity

Number of units 6
Total capacity from hydraulic turbine-generator units within each plant 810.0 mW
Average annual net hydropower generation 2,248,644.7 mWH

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