Power plants operated by Oklahoma Gas & Electric Co
Oklahoma Gas & Electric Co operates 18 power plants in the 2025 EIA-860 data, with 8,610 MW of nameplate capacity, the 28th-largest fleet among the 5,826 operators on file. They are spread over two states: Oklahoma and Arkansas. Natural gas is 70% of the capacity; the largest site is Muskogee. Its oldest working unit dates from 1969, at Horseshoe Lake. Units added from 2020 to 2025 total 20 MW.
- Natural gas6,069 MW70%
- Coal2,060 MW24%
- Wind449 MW5.2%
- Solar32.5 MW0.4%
Capacity by decade it came online
CoalNatural gasWindSolar
Above the line: capacity operating in 2025. Below: capacity retired at these plants.
Plants
| Plant | State | Runs on | Capacity | First unit |
|---|---|---|---|---|
| Muskogee | Oklahoma | Natural gas | 1,716 MW | 1977 |
| Seminole (OK) | Oklahoma | Natural gas | 1,701 MW | 1971 |
| Redbud Power Plant | Oklahoma | Natural gas | 1,434 MW | 2004 |
| Sooner | Oklahoma | Coal | 1,138 MW | 1979 |
| Horseshoe Lake | Oklahoma | Natural gas | 564 MW | 1969 |
| McClain Energy Facility | Oklahoma | Natural gas | 551 MW | 2001 |
| Mustang | Oklahoma | Natural gas | 464 MW | 2015 |
| River Valley | Oklahoma | Coal | 350 MW | 1990 |
| Crossroads Wind Farm | Oklahoma | Wind | 228 MW | 2012 |
| Frontier | Oklahoma | Natural gas | 131 MW | 1989 |
| Centennial Wind Farm | Oklahoma | Wind | 120 MW | 2006 |
| OU Spirit Wind Farm | Oklahoma | Wind | 101 MW | 2009 |
| Tinker | Oklahoma | Natural gas | 82 MW | 1971 |
| Covington Solar Farm | Oklahoma | Solar | 10 MW | 2018 |
| Branch Solar Farm | Arkansas | Solar | 5 MW | 2021 |
| Butterfield Solar Farm | Oklahoma | Solar | 5 MW | 2022 |
| Chickasaw Nation Solar Farm | Oklahoma | Solar | 5 MW | 2020 |
| Choctaw Nation Solar Farm | Oklahoma | Solar | 5 MW | 2020 |