Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Kiamichi Energy Facility Pittsburg County | Rayburn Energy Station LLC Grayson County |
|---|---|---|
| Capacity | 1,370 MW | 803.2 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | Kiowa Power Partners LLC | Rayburn Energy Station LLC |
| Operating units | 6 | 3 |
| Latest 12-month generation | 5.28 TWh | 3.10 TWh |
| Latest complete-year capacity factor | 43.7% (2025) | 45.5% (2025) |
| National technology rank | #32 of 538 | #143 of 538 |
| Latest EIA report | 2026-04 | 2026-04 |
Generation comes from EIA-923. Capacity, unit counts, technology, and reporting relationships come from EIA-860. Incomplete reporting years are excluded from capacity-factor comparisons.