Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Columbia (WI) | Louisa |
|---|---|---|
| 1,112 MW | 811.9 MW | |
| Conventional Steam Coal | Conventional Steam Coal | |
| Wisconsin Power & Light Co | MidAmerican Energy Co | |
| 2 | 1 | |
| 5.15 TWh | 4.31 TWh | |
| 61.1% (2025) | 63.8% (2025) | |
| #72 of 206 | #90 of 206 | |
| 2026-06 | 2026-06 |