Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Handley | Midlothian Energy Facility |
|---|---|---|
| Capacity | 1,314.8 MW | 1,734 MW |
| Technology | Natural Gas Steam Turbine | Natural Gas Fired Combined Cycle |
| Operator | Constellation Power, Inc | Midlothian Energy LLC |
| Operating units | 5 | 6 |
| Latest 12-month generation | 864.9 GWh | 7.20 TWh |
| Latest complete-year capacity factor | 7.8% (2025) | 45.7% (2025) |
| National technology rank | #12 of 257 | #14 of 538 |
| Latest EIA report | 2026-06 | 2026-06 |