Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Lake Hubbard | Freestone Energy Center |
|---|---|---|
| Capacity | 927.5 MW | 1,036 MW |
| Technology | Natural Gas Steam Turbine | Natural Gas Fired Combined Cycle |
| Operator | Luminant Generation Company LLC | Freestone Power Generation LLC |
| Operating units | 2 | 6 |
| Latest 12-month generation | 1.69 TWh | 6.02 TWh |
| Latest complete-year capacity factor | 20.8% (2024) | 71.4% (2025) |
| National technology rank | #30 of 257 | #89 of 538 |
| Latest EIA report | 2024-12 | 2026-06 |