Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Graham | Wise County Power LLC |
|---|---|---|
| Capacity | 634.7 MW | 821.7 MW |
| Technology | Natural Gas Steam Turbine | Natural Gas Fired Combined Cycle |
| Operator | Luminant Generation Company LLC | Wise County Power Company LLC |
| Operating units | 2 | 3 |
| Latest 12-month generation | 1.04 TWh | 3.27 TWh |
| Latest complete-year capacity factor | 18.7% (2024) | 46.3% (2025) |
| National technology rank | #45 of 257 | #137 of 538 |
| Latest EIA report | 2024-12 | 2026-06 |