Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Eddystone Generating Station | Essential Power Rock Springs LLC |
|---|---|---|
| Capacity | 861.6 MW | 795.6 MW |
| Technology | Petroleum Liquids, Natural Gas Steam Turbine | Natural Gas Fired Combustion Turbine |
| Operator | Constellation Power, Inc | Essential Power Operating Services LLC |
| Operating units | 8 | 4 |
| Latest 12-month generation | 60.8 GWh | 179.0 GWh |
| Latest complete-year capacity factor | 0.8% (2024) | 2.6% (2024) |
| National technology rank | #40 of 257 | #29 of 825 |
| Latest EIA report | 2024-12 | 2024-12 |