Hydroelectric power plants in Ohio
4 operating hydroelectric power plants in Ohio with 123 MW of hydroelectric capacity, largest first. From EIA-860M, August 2026.
Largest hydroelectric power plants in Ohio
| # | Plant | Hydroelectric MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Greenup HydroScioto County | 70 | 266 | 43.2% |
| 2 | RacineMeigs County | 47 | 190 | 45.8% |
| 3 | Auglaize HydroDefiance County | 2.7 | 6.1 | 19.4% |
| 4 | Hamilton HydroButler County | 2.2 | 8.8 | 45.5% |
Projects where hydroelectric is the largest fuel or at least a fifth of nameplate capacity. MW is hydroelectric nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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