Power plants in Owyhee County, Idaho
3 operating power plants in Owyhee County, Idaho, with 269 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Owyhee County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Hemmingway BESSBattery storage | 166 | −6.5* | – |
| 2 | C J StrikeHydro | 83 | 364 | 50.2% |
| 3 | Murphy Flat SolarSolar | 20 | 40.9 | 23.4% |
* Fewer than 12 months of 2025 reported, so the total is partial.
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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