Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | NRG Rockford II Energy Center | Morris Cogeneration LLC |
|---|---|---|
| Capacity | 168 MW | 218.8 MW |
| Technology | Natural Gas Fired Combustion Turbine | Natural Gas Fired Combined Cycle |
| Operator | Rockford Generation LLC | Morris Cogeneration LLC |
| Operating units | 1 | 4 |
| Latest 12-month generation | 64.6 GWh | 616.7 GWh |
| Latest complete-year capacity factor | 4.4% (2024) | 31.4% (2025) |
| National technology rank | #287 of 825 | #404 of 538 |
| Latest EIA report | 2024-12 | 2026-04 |