Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | TalenEnergy Martins Creek | Brunner Island |
|---|---|---|
| 1,701 MW | 1,616.1 MW | |
| Natural Gas Steam Turbine | Natural Gas Steam Turbine | |
| TalenEnergy Martins Creek LLC | Brunner Island LLC | |
| 6 | 6 | |
| 2.95 TWh | 3.94 TWh | |
| 15.1% (2025) | 29.6% (2025) | |
| #6 of 257 | #8 of 257 | |
| 2026-06 | 2026-06 |