Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | FPL Energy Illinois Wind LLC Hybrid | Green River Wind Farm |
|---|---|---|
| Capacity | 237.5 MW | 194.3 MW |
| Technology | Onshore Wind Turbine, Batteries | Onshore Wind Turbine |
| Operator | FPL Energy Illinois Wind LLC | Green River Wind Farm Phase 1, LLC |
| Operating units | 2 | 1 |
| Latest 12-month generation | 609.0 GWh | 493.6 GWh |
| Latest complete-year capacity factor | 30.3% (2025) | 29.2% (2025) |
| National technology rank | #197 of 1,362 | #349 of 1,362 |
| Latest EIA report | 2026-04 | 2026-04 |