Power plants in Washington County, Wisconsin
4 operating power plants in Washington County, Wisconsin, with 408 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Washington County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | GermantownOil and natural gas | 391 | 33.3 | – |
| 2 | Omega Hills Gas RecoveryLandfill gas | 13 | 79.2 | 70.6% |
| 3 | Washington CountySolar | 2.3 | 3.7 | 18.6% |
| 4 | Regal WareSolar | 1.9 | 1.1 | 6.4% |
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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