Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Aragorn Solar Project | Castle Gap Solar Hybrid |
|---|---|---|
| Capacity | 187.2 MW | 189.9 MW |
| Technology | Solar Photovoltaic | Solar Photovoltaic, Batteries |
| Operator | SE Aragorn, LLC | Upton County Solar 2 LLC |
| Operating units | 1 | 2 |
| Latest 12-month generation | 321.1 GWh | 350.0 GWh |
| Latest complete-year capacity factor | 21.8% (2025) | 23.1% (2025) |
| National technology rank | #211 of 7,234 | #216 of 7,234 |
| Latest EIA report | 2026-06 | 2026-06 |