Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | RE Roserock | Upton County Solar |
|---|---|---|
| Capacity | 160 MW | 150 MW |
| Technology | Solar Photovoltaic | Solar Photovoltaic |
| Operator | Southern Power Co | RWE Clean Energy |
| Operating units | 1 | 1 |
| Latest 12-month generation | 365.7 GWh | 267.7 GWh |
| Latest complete-year capacity factor | 27.0% (2025) | 22.8% (2025) |
| National technology rank | #245 of 7,234 | #266 of 7,234 |
| Latest EIA report | 2026-06 | 2026-06 |