Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | RE Roserock | Buckthorn Westex |
|---|---|---|
| Capacity | 160 MW | 154 MW |
| Technology | Solar Photovoltaic | Solar Photovoltaic |
| Operator | Southern Power Co | Buckthorn Westex, LLC |
| Operating units | 1 | 1 |
| Latest 12-month generation | 365.7 GWh | 315.6 GWh |
| Latest complete-year capacity factor | 27.0% (2025) | 26.4% (2025) |
| National technology rank | #245 of 7,234 | #255 of 7,234 |
| Latest EIA report | 2026-06 | 2026-06 |