Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | W A Parish | Oak Grove (TX) |
|---|---|---|
| 4,008.4 MW | 1,795.4 MW | |
| Natural Gas Steam Turbine, Natural Gas Fired Combustion Turbine, Conventional Steam Coal | Conventional Steam Coal | |
| NRG Texas Power LLC | Luminant Generation Company LLC | |
| 9 | 2 | |
| 14.17 TWh | 11.83 TWh | |
| 44.4% (2025) | 70.3% (2025) | |
| #6 of 206 | #25 of 206 | |
| 2026-06 | 2026-06 |