WI · State grid profile
Wisconsin power grid
Wisconsin's operating portfolio is led by Oil & gas, followed by Coal. Its 266 plants represent 18,821 MW of nameplate capacity. The dataset also reports 2,710 MW of proposed capacity.
Final 2024 state totalsPreliminary 2025 facilitiesCommunity-reported data centers
Coverage quality
What is complete here?
Generation portfolio
Wisconsin capacity by fuel
Oil & gas46.3%8,719 MW
Coal26.6%5,014 MW
Solar11.2%2,109 MW
Nuclear6.8%1,286 MW
Wind4.4%826 MW
Hydro2.8%535 MW
Biomass1.7%323 MW
Storage0%9 MW
Facility intelligence
Largest Wisconsin power plants
| Plant | Primary fuel | Location | Utility | Operating capacity |
|---|---|---|---|---|
| Elm Road Generating StationPlant 56068 | Coal | Oak Creek, WIMilwaukee County | Wisconsin Electric Power Co | 1,403 MW |
| Point Beach Nuclear PlantPlant 4046 | Nuclear | Two Rivers, WIManitowoc County | NextEra Energy Point Beach LLC | 1,311 MW |
| Port Washington Generating StationPlant 4040 | Oil & gas | Port Washington, WIOzaukee County | Wisconsin Electric Power Co | 1,230 MW |
| Columbia (WI)Plant 8023 | Coal | Pardeville, WIColumbia County | Wisconsin Power & Light Co | 1,112 MW |
| WestonPlant 4078 | Coal | Rothschild, WIMarathon County | Wisconsin Public Service Corp | 946 MW |
| West Riverside Energy CenterPlant 64020 | Oil & gas | Beloit, WIRock County | Wisconsin Power & Light Co | 728 MW |
| Riverside Energy CenterPlant 55641 | Oil & gas | Beloit, WIRock County | Wisconsin Power & Light Co | 675 MW |
| South Oak CreekPlant 4041 | Coal | Oak Creek, WIMilwaukee County | Wisconsin Electric Power Co | 642 MW |
| Fox Energy CenterPlant 56031 | Oil & gas | Wrightstown, WIOutagamie County | Wisconsin Public Service Corp | 619 MW |
| RockGen Energy CenterPlant 55391 | Oil & gas | Cambridge, WIDane County | Dairyland Power Coop | 561 MW |
Methodology
Transparent by design
State totals and fuel mix use finalized EIA-860 2024 generator data. The facility table uses the EIA-860 2025 Early Release and is preliminary. Data-center counts use OpenStreetMap community records and measure mapped coverage, not the full market.