MT

Thompson Falls P-1869

General information

Waterway  Clark Fork River
 Pend Oreille River
Current status   Active license 
Type of facility Conventional Hydro
Mode of hydropower generation Run-of-river
Type of permit FERC License

FERC information

FERC docket # P-1869
FERC project name Thompson Falls
Permit issued 12/23/79
Permit expiration 12/27/25

Ownership and operation

Owner Northwestern Corporation
Owner type Wholesale Power Marketer
Year first online (conventional hydro) 1915
Transmission or distribution system owner NorthWestern Energy LLC - (MT)

Power and generating capacity

Number of units 7
Total capacity from hydraulic turbine-generator units within each plant 98.1 MW
Average annual net hydropower generation 493,922.2 MWH

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News and updates

From California Sportfishing Protection Alliance11/1/2025

Measuring Flow to Support New Interim Flow Requirements in the Shasta River

From California Sportfishing Protection Alliance11/1/2025

Flood plain restoration below Camanche Dam

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