Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Gregory Power Plant | Oyster Creek Unit VIII |
|---|---|---|
| Capacity | 469.8 MW | 497.9 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle |
| Operator | Gregory Power Partners LLC | Dow Chemical Company-Oyster Creek VIII |
| Operating units | 3 | 4 |
| Latest 12-month generation | 681.9 GWh | 2.60 TWh |
| Latest complete-year capacity factor | 15.5% (2025) | 57.3% (2025) |
| National technology rank | #315 of 538 | #312 of 538 |
| Latest EIA report | 2026-06 | 2026-06 |