Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | RE Tranquillity | Scarlet II Hybrid |
|---|---|---|
| 277.3 MW | 350 MW | |
| Batteries, Solar Photovoltaic | Batteries, Solar Photovoltaic | |
| Southern Power Co | EDPR Scarlet II LLC | |
| 3 | 2 | |
| 491.4 GWh | 383.2 GWh | |
| 20.2% (2024) | 12.6% (2025) | |
| #133 of 7,234 | #140 of 7,234 | |
| 2024-12 | 2026-06 |