🔌 EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more → Skip to main content

United States › Power plants › Hydroelectric plants › Wisconsin

HYDROELECTRIC PLANTS

Wausau

Wausau is a 5.4 MW operating hydroelectric plant in Marathon County, Wisconsin, operated by Wisconsin Public Service Corp.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingMar 1921 (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 Hydroelectric1.8 MW OperatingMar 1921
2Conventional Hydroelectric1.8 MW OperatingMay 1921
3Conventional Hydroelectric1.8 MW OperatingMar 1924

Plant details

Operator
Wisconsin Public Service Corp
Location
Marathon County, Wisconsin
Balancing authority
MISO
Sector
Electric Utility
Capacity
Operating: 5.4 MW
First unit online
Mar 1921
EIA plant ID
4077

Location

44.9575, -89.6367

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