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United States › Power plants › Hydroelectric plants › Wisconsin

HYDROELECTRIC PLANTS

Thornapple

Thornapple is a 1.4 MW operating hydroelectric plant in Rusk County, Wisconsin, operated by Northern States Power Co - Minnesota.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJan 1927 (current stage)
  5. Closed (not yet reached)

Open in Google MapsMore hydroelectric plants in Wisconsin

Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Conventional Hydroelectric0.7 MW OperatingJan 1927
2Conventional Hydroelectric0.7 MW OperatingJan 1929

Plant details

Operator
Northern States Power Co - Minnesota
Location
Rusk County, Wisconsin
Balancing authority
MISO
Sector
Electric Utility
Capacity
Operating: 1.4 MW
First unit online
Jan 1927
EIA plant ID
3988

Location

45.4111, -91.2183

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem