Power plants in Grant County, Wisconsin
5 operating power plants in Grant County, Wisconsin, with 446 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Grant County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Grant CountySolar and battery storage | 300 | 55.6* | – |
| 2 | Red Barn EnergyWind | 92 | 254 | 31.6% |
| 3 | Cassville SolarSolar | 50 | 97.7 | 22.3% |
| 4 | Fennimore SolarSolar | 3.0 | 4.8 | 18.2% |
| 5 | Mt. Hope DPC SolarSolar | 1.0 | 2.1 | 23.5% |
* Fewer than 12 months of 2025 reported, so the total is partial.
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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