Power plants in Columbia County, Wisconsin
5 operating power plants in Columbia County, Wisconsin, with 1,301 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Columbia County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Columbia (WI)Coal | 1,112 | 5,956 | 61.1% |
| 2 | Glacier HillsWind | 162 | 369 | 26.0% |
| 3 | Portage Solar PlantSolar | 12 | 21.2 | 20.5% |
| 4 | KilbournHydro | 9.7 | 49.2 | 57.9% |
| 5 | Portage Industrial BatteryBattery storage | 5.0 | −0.5 | – |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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