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United States › Power plants › Hydroelectric plants › Colorado

HYDROELECTRIC PLANTS

Big Thompson

Big Thompson is a 4.5 MW operating hydroelectric plant in Larimer County, Colorado, operated by U S Bureau of Reclamation.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingApr 1959 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Conventional Hydroelectric4.5 MW OperatingApr 1959

Plant details

Operator
U S Bureau of Reclamation
Location
Larimer County, Colorado
Balancing authority
WACM
Sector
Electric Utility
Capacity
Operating: 4.5 MW
First unit online
Apr 1959
EIA plant ID
515

Location

40.4210, -105.2238

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