Power plants in Power County, Idaho

5 operating power plants in Power County, Idaho, with 164 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

5

Nameplate capacity

164 MW

Net generation, 2025

429 GWh

Largest

Rockland Wind Farm

79 MW

Largest power plants in Power County

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Rockland Wind FarmWind7921931.6%Ridgeline Energy LLC
2Power County Wind Park SouthWind2356.828.8%Power County Wind Park South LLC
3Power County Wind Park NorthWind2363.932.4%Power County Wind Park North LLC
4American Falls SolarSolar2043.925.0%American Falls Solar LLC
5American Falls Solar IISolar2045.425.9%American Falls Solar II, LLC

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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Other counties in Idaho