Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Hunterstown Power Plant | Marcus Hook Energy LP |
|---|---|---|
| Capacity | 898 MW | 836.1 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | Hunterstown Generation, LLC | Marcus Hook Energy LP |
| Operating units | 4 | 4 |
| Latest 12-month generation | 6.18 TWh | 5.49 TWh |
| Latest complete-year capacity factor | 77.4% (2025) | 76.7% (2025) |
| National technology rank | #119 of 538 | #132 of 538 |
| Latest EIA report | 2026-04 | 2026-04 |