Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Willowbrook Solar I, LLC | Ross County Solar, LLC |
|---|---|---|
| Capacity | 150 MW | 120 MW |
| Technology | Solar Photovoltaic | Solar Photovoltaic |
| Operator | RWE Clean Energy | Ross County Solar, LLC |
| Operating units | 1 | 1 |
| Latest 12-month generation | 290.1 GWh | 220.9 GWh |
| Latest complete-year capacity factor | 21.2% (2025) | 20.8% (2025) |
| National technology rank | #266 of 7,234 | #385 of 7,234 |
| Latest EIA report | 2026-04 | 2026-04 |