Hydroelectric power plants in Oklahoma
9 operating hydroelectric power plants in Oklahoma with 732 MW of hydroelectric capacity, largest first. From EIA-860M, August 2026.
Largest hydroelectric power plants in Oklahoma
| # | Plant | Hydroelectric MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | PensacolaMayes County | 130 | 422 | 37.0% |
| 2 | MarkhamMayes County | 128 | 288 | 25.6% |
| 3 | Broken Bow DamMcCurtain County | 100 | 196 | 22.3% |
| 4 | Eufaula DamHaskell County | 90 | 294 | 37.3% |
| 5 | Robert S KerrSequoyah County | 83 | 450 | 46.7% |
| 6 | Keystone DamTulsa County | 70 | 293 | 47.8% |
| 7 | Webbers FallsMuskogee County | 50 | 205 | 31.2% |
| 8 | Fort GibsonCherokee County | 45 | 217 | 55.4% |
| 9 | Kaw HydroKay County | 37 | 79.2 | 24.4% |
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