Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Prospero Solar | Greasewood II LLC |
|---|---|---|
| Capacity | 300 MW | 306 MW |
| Technology | Solar Photovoltaic | Solar Photovoltaic |
| Operator | Prospero Energy Project, LLC (Longroad) | Greasewood II LLC |
| Operating units | 1 | 1 |
| Latest 12-month generation | 678.4 GWh | 840.3 GWh |
| Latest complete-year capacity factor | 28.9% (2025) | 29.7% (2025) |
| National technology rank | #38 of 7,234 | #36 of 7,234 |
| Latest EIA report | 2026-06 | 2026-06 |