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United States β€Ί Power plants β€Ί Hydroelectric plants β€Ί Montana

HYDROELECTRIC PLANTS

Fort Peck

Fort Peck is a 162 MW operating hydroelectric plant in McCone County, Montana, operated by USACE-Omaha.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJul 1943 (current stage)
  5. Closed (not yet reached)

This plant has generators at more than one stage; see the table below.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Conventional Hydroelectric41 MW OperatingJul 1943
3Conventional Hydroelectric41 MW OperatingDec 1951
4Conventional Hydroelectric40 MW OperatingJun 1961
5Conventional Hydroelectric40 MW OperatingJun 1961
2Conventional Hydroelectric17 MW Out of service long-termFeb 1948

Plant details

Operator
USACE-Omaha
Location
McCone County, Montana
Balancing authority
WAUW
Sector
Electric Utility
Capacity
Operating: 162 MW
Out of service: 17.3 MW
First unit online
Jul 1943
EIA plant ID
6623

Location

48.0122, -106.4123

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