Power plants in Milwaukee County, Wisconsin
9 operating power plants in Milwaukee County, Wisconsin, with 2,368 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
9
Nameplate capacity
2,368 MW
Net generation, 2025
10.0 TWh
Largest power plants in Milwaukee County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Elm Road Generating StationCoal | 1,403 | 7,378 | 60.0% |
| 2 | South Oak CreekCoal | 642 | 2,101 | 37.4% |
| 3 | Valley (WI)Natural gas | 272 | 370 | 15.4% |
| 4 | MMSD Jones Island WastewaterNatural gas and landfill gas | 31 | 79.8 | 29.1% |
| 5 | Metro Gas RecoveryLandfill gas | 9.2 | 41.2 | 51.1% |
| 6 | MMSD South Shore WastewaterBiomass | 5.1 | 23.0 | 51.6% |
| 7 | City of Milwaukee LandfillSolar | 2.3 | 3.2 | 16.1% |
| 8 | ATISolar | 2.3 | 2.9 | 14.4% |
| 9 | IKEA Oak Creek Rooftop PV SystemSolar | 1.2 | 1.5 | 14.2% |
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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