Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Waterford Power, LLC | Rolling Hills Generating |
|---|---|---|
| Capacity | 921.6 MW | 977.5 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combustion Turbine |
| Operator | Waterford Power, LLC | Rolling Hills Generating LLC |
| Operating units | 4 | 5 |
| Latest 12-month generation | 5.97 TWh | 2.20 TWh |
| Latest complete-year capacity factor | 64.1% (2025) | 25.6% (2024) |
| National technology rank | #111 of 538 | #16 of 825 |
| Latest EIA report | 2026-04 | 2024-12 |