Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Rolling Hills Generating | Hanging Rock Energy Facility |
|---|---|---|
| 977.5 MW | 1,429.8 MW | |
| Natural Gas Fired Combustion Turbine | Natural Gas Fired Combined Cycle | |
| Rolling Hills Generating LLC | Dynegy Hanging Rock Energy Facility | |
| 5 | 6 | |
| 2.20 TWh | 9.94 TWh | |
| 25.6% (2024) | 81.5% (2025) | |
| #16 of 825 | #27 of 538 | |
| 2024-12 | 2026-06 |