Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Brandywine Power Facility | Garrison Energy Center LLC |
|---|---|---|
| Capacity | 288.8 MW | 361 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | KMC Thermo, LLC | Garrison Energy Center LLC |
| Operating units | 3 | 2 |
| Latest 12-month generation | 817.3 GWh | 944.1 GWh |
| Latest complete-year capacity factor | 27.6% (2025) | 27.1% (2025) |
| National technology rank | #369 of 538 | #336 of 538 |
| Latest EIA report | 2026-04 | 2026-04 |