Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Guernsey Power Station | Hanging Rock Energy Facility |
|---|---|---|
| 2,055 MW | 1,429.8 MW | |
| Natural Gas Fired Combined Cycle | Natural Gas Fired Combined Cycle | |
| Guernsey Power Station LLC | Dynegy Hanging Rock Energy Facility | |
| 3 | 6 | |
| 12.15 TWh | 9.94 TWh | |
| 62.8% (2025) | 81.5% (2025) | |
| #7 of 538 | #27 of 538 | |
| 2026-06 | 2026-06 |