Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Griffin Trail Wind | Willow Springs Wind Farm |
|---|---|---|
| Capacity | 225.6 MW | 250 MW |
| Technology | Onshore Wind Turbine | Onshore Wind Turbine |
| Operator | Griffin Trail Wind, LLC | Willow Springs Windfarm, LLC |
| Operating units | 1 | 1 |
| Latest 12-month generation | 738.8 GWh | 869.8 GWh |
| Latest complete-year capacity factor | 35.2% (2025) | 39.8% (2025) |
| National technology rank | #186 of 1,362 | #139 of 1,362 |
| Latest EIA report | 2026-06 | 2026-06 |