Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Azure Sky Solar | Millers Branch Solar |
|---|---|---|
| Capacity | 316.2 MW | 200 MW |
| Technology | Batteries, Solar Photovoltaic | Solar Photovoltaic |
| Operator | Azure Sky Solar Project, LLC | Southern Power Co |
| Operating units | 2 | 1 |
| Latest 12-month generation | 484.9 GWh | 233.6 GWh |
| Latest complete-year capacity factor | 19.4% (2025) | — |
| National technology rank | #124 of 7,234 | #140 of 7,234 |
| Latest EIA report | 2026-06 | 2026-06 |