Power plants in Jefferson County, Wisconsin
8 operating power plants in Jefferson County, Wisconsin, with 760 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Jefferson County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | ConcordNatural gas | 382 | 203 | 6.1% |
| 2 | Whitewater Generating StationNatural gas | 284 | 748 | 30.1% |
| 3 | Crawfish RiverSolar | 75 | 131 | 19.9% |
| 4 | Deertrack Park Gas RecoveryLandfill gas | 6.4 | 32.5 | 58.0% |
| 5 | Hackbarth Solar WI, LLCSolar | 5.0 | 8.9 | 20.4% |
| 6 | Rock LakeSolar WI, LLCSolar | 5.0 | 0.3 | – |
| 7 | Jones DairySolar | 2.3 | 3.7 | 18.1% |
| 8 | Jefferson Solar ParkSolar | 1.0 | 0.6 | 6.6% |
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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