Power plants and the grid in Wisconsin
Wisconsin has 273 power plants with 18.5 GW of capacity, natural gas the largest share at 7.6 GW. The map shows 20 data centers in Wisconsin. Its interconnection queue holds 118 active requests for 26.8 GW.
Capacity by fuel
273 power plants with 18.5 GW of capacity, planned generators left out.
- Natural gas: 7.6 GW from 39 plants (41%)
- Coal: 4.8 GW from 7 plants (26%)
- Solar: 2.8 GW from 115 plants (15%)
- Nuclear: 1.2 GW from 1 plant (7%)
- Wind: 823 MW from 12 plants (4%)
- Oil: 728 MW from 21 plants (4%)
- Hydro: 393 MW from 56 plants (2%)
- Biomass: 187 MW from 18 plants (1%)
- Battery storage: 26 MW from 4 plants (under 1%)
Largest plants
- Elm Road Generating Station: Coal, 1.3 GW
- Port Washington Generating Station: Natural gas, 1.2 GW
- Point Beach Nuclear Plant: Nuclear, 1.2 GW
- Columbia (WI): Coal, 1.1 GW
- Weston: Coal, 888 MW
- West Riverside Energy Center: Natural gas, 689 MW
- South Oak Creek: Coal, 616 MW
- Fox Energy Center: Natural gas, 578 MW
- Riverside Energy Center: Natural gas, 535 MW
- RockGen Energy Center: Natural gas, 489 MW
Largest plants near Milwaukee
- Elm Road Generating Station: Coal, 1.3 GW, 24 km away
- Port Washington Generating Station: Natural gas, 1.2 GW, 37 km away
- South Oak Creek: Coal, 616 MW, 24 km away
- Paris (WI): Natural gas, 360 MW, 44 km away
- Paris Solar: Solar, 310 MW, 44 km away
Largest plants near Madison
- Columbia (WI): Coal, 1.1 GW, 46 km away
- RockGen Energy Center: Natural gas, 489 MW, 31 km away
- West Campus Cogeneration Facility: Natural gas, 132 MW, 2 km away
- Blount Street: Natural gas, 96 MW, 2 km away
- Crawfish River: Solar, 75 MW, 43 km away
Planned and under construction
24 generators planned, under construction or testing, 4.9 GW in all, not counted above.
- Solar: 3.2 GW
- Natural gas: 1.5 GW
- Battery storage: 159 MW
- Wind: 67 MW
Grid operators
- MISO (ISO or RTO): 273 plants
Data centers
20 data center sites on the map.
- Milwaukee County: 5 sites
- Dane County: 4 sites
- Racine County: 3 sites
- Waukesha County: 3 sites
- Operators with the most sites: Microsoft (4), EdgeConneX (2), Ark Data Centers (1), Aurora Health Care (1), Degas LLC (1), Lumen Technologies (1), Mapletree Redwood Data Centre Trust (MRDCT) (1), OneNeck (1), Tierpoint (1), Towne Investments (1)
Interconnection queue
118 active requests to connect 26.8 GW of new generation and storage, from Lawrence Berkeley National Laboratory's Queued Up data.
- Natural gas: 12.4 GW in 22 requests
- Solar: 9.2 GW in 59 requests
- Battery storage: 2.8 GW in 18 requests
- Wind: 1.8 GW in 11 requests
- Other: 569 MW in 8 requests
Sources
Power plants: EIA-860M (US); NRCan NACEI (Canada, Mexico); WRI GPPD (Mexico); OpenStreetMap via Geofabrik (Canada, Mexico gap fill); USGS USWTDB/USPVDB; EPA eGRID; Natural Earth admin-1; HIFLD control areas; location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; water distances from OpenStreetMap via Geofabrik; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: ODbL (derivative database; EIA content is public domain, NRCan OGL-Canada, WRI GPPD CC BY 4.0; location attributes from WorldPop, Global Solar Atlas, Global Wind Atlas, LBNL Queued Up and WRI Aqueduct CC BY 4.0, USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain, Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH, the U.S. Drought Monitor courtesy of NDMC)
Places gazetteer (cities, airports, regions): Natural Earth populated places; OurAirports; Natural Earth admin-1; Wattlas curated places. License: Public domain
Data centers: Epoch AI (CC BY); OpenStreetMap via the public Overpass API (ODbL, © OpenStreetMap contributors); Ringmast4r Global-Data-Center-Map (custom permissive license, attribution required); location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; generation within 20 km from the previous publish's plants; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: CC BY; ODbL; custom permissive; WRI Aqueduct CC BY 4.0; USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain; Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH; the U.S. Drought Monitor courtesy of NDMC
Interconnection queue requests: Lawrence Berkeley National Laboratory and GridTracker, "Queued Up". License: CC BY 4.0
States and provinces (simplified polygons): Natural Earth 10m admin-1. License: Public domain