WA

LaGrande P-1862

General information

Waterway  Nisqually River
Current status  Active 
Type of facility Conventional Hydro
Mode of hydropower generation Run-of-river
Type of permit FERC License

FERC information

FERC docket # P-1862
Permit issued 3/2/1997
Permit expires 2/24/2037

Ownership and operation

Owner Tacoma City of
Owner type Publicly Owned Utility
Year first online (conventional hydro) 1912
Transmission or distribution system owner City of Tacoma - (WA)

Power and generating capacity

Number of units 6
Total capacity from hydraulic turbine-generator units within each plant 64.0 mW
Average annual net hydropower generation 322,915.3 mWH

The Nisqually Hydroelectric Project includes Alder Dam and La Grande Dam on the Nisqually River. The first hydropower project was constructed in 1912 and replaced by the current two-dam project in 1945.