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

HYDROELECTRIC PLANTS

Marco Ranch

Marco Ranch is a 1.2 MW operating hydroelectric plant in Jerome County, Idaho, operated by Marco Power Inc.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingAug 1985 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Conventional Hydroelectric0.3 MW OperatingAug 1985
2Conventional Hydroelectric0.3 MW OperatingAug 1985
3Conventional Hydroelectric0.3 MW OperatingAug 1985
4Conventional Hydroelectric0.3 MW OperatingAug 1985

Plant details

Operator
Marco Power Inc
Location
Jerome County, Idaho
Balancing authority
IPCO
Sector
IPP Non-CHP
Capacity
Operating: 1.2 MW
First unit online
Aug 1985
EIA plant ID
50323

Location

42.6366, -114.5578

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