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