Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Wake Wind Energy Center | South Plains II |
|---|---|---|
| Capacity | 257.3 MW | 300 MW |
| Technology | Onshore Wind Turbine | Onshore Wind Turbine |
| Operator | Southern Power Co | Onward Energy |
| Operating units | 1 | 1 |
| Latest 12-month generation | 883.8 GWh | 1.05 TWh |
| Latest complete-year capacity factor | 39.1% (2024) | 38.3% (2025) |
| National technology rank | #129 of 1,362 | #71 of 1,362 |
| Latest EIA report | 2024-12 | 2026-06 |