WI

Thornapple P-2475

General information

Waterway  Flambeau 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-2475
FERC project name Thornapple
Permit issued 1/31/97
Permit expiration 1/27/37

Ownership and operation

Owner Northern States Power Co - Minnesota
Owner type Investor-Owned Utility
Year first online (conventional hydro) 1927
Transmission or distribution system owner Northern States Power Co

Power and generating capacity

Number of units 2
Total capacity from hydraulic turbine-generator units within each plant 1.4 MW
Average annual net hydropower generation 8,237.8 MWH

Is there something you’d like to add or correct? Please let us know.

Related resources

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

See all news and updates