Directory of Power Plants in Wisconsin
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Wautoma Solar | Wisconsin Power & Light Co | Wautoma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 184.5 GWh | Nov 2023 | Oct 2025 | Solar |
| Onion River | Wisconsin Power & Light Co | Sheboygan Cedar Grove, WI | Midcontinent Independent System Operator, Inc. (MISO) | 251.3 GWh | Nov 2023 | Oct 2025 | Solar |
| Beaver Dam Solar | Wisconsin Power & Light Co | Dodge, WI | Midcontinent Independent System Operator, Inc. (MISO) | 98.7 GWh | Nov 2023 | Oct 2025 | Solar |
| Bear Creek (WI) | Wisconsin Power & Light Co | Lone Rock, WI | Midcontinent Independent System Operator, Inc. (MISO) | 98.8 GWh | Aug 2022 | Oct 2025 | Solar |
| Grant County | Wisconsin Power & Light Co | Town of Potosi, WI | Midcontinent Independent System Operator, Inc. (MISO) | 369.0 GWh | Apr 2024 | Oct 2025 | Solar |
| Wood County | Wisconsin Power & Light Co | Nekoosa, WI | Midcontinent Independent System Operator, Inc. (MISO) | 276.2 GWh | Nov 2022 | Oct 2025 | Solar |
| Two Creeks Solar | Wisconsin Public Service Corp | Two Rivers, WI | Midcontinent Independent System Operator, Inc. (MISO) | 191.4 GWh | Oct 2020 | Oct 2025 | Solar |
| Fox Energy Center | Wisconsin Public Service Corp | Wrightstown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 TWh | May 2005 | Oct 2025 | Natural Gas |
| Badger Hollow I | Wisconsin Public Service Corp | Montfort, WI | Midcontinent Independent System Operator, Inc. (MISO) | 191.6 GWh | Oct 2021 | Oct 2025 | Solar |
| Red Barn Energy | Wisconsin Public Service Corp | Montfort, WI | Midcontinent Independent System Operator, Inc. (MISO) | 247.3 GWh | Mar 2023 | Oct 2025 | Wind |
| Alexander | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 19.0 GWh | Dec 1924 | Dec 2024 | Water |
| Antigo-Forrest Street Solar Project | Wisconsin Public Service Corp | Antigo, WI | Midcontinent Independent System Operator, Inc. (MISO) | 279.0 MWh | Oct 2024 | Dec 2024 | Solar |
| Sandstone Rapids | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.8 GWh | Dec 1924 | Dec 2024 | Water |
| Caldron Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.7 GWh | Oct 1924 | Dec 2024 | Water |
| Grandfather Falls | Wisconsin Public Service Corp | Irma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 80.4 GWh | Nov 1938 | Dec 2024 | Water |
| Hat Rapids | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | May 1923 | Dec 2024 | Water |
| High Falls (WI) | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.4 GWh | Jul 1910 | Dec 2024 | Water |
| Johnson Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.2 GWh | Jun 1923 | Dec 2024 | Water |
| Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Feb 1917 | Dec 2024 | Water |
| Potato Rapids | Wisconsin Public Service Corp | Town of Porterfield, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Apr 1921 | Dec 2024 | Water |
| Pulliam | Wisconsin Public Service Corp | Green Bay, WI | Midcontinent Independent System Operator, Inc. (MISO) | 111.3 GWh | Aug 1949 | Oct 2025 | Natural Gas |
| West Marinette | Wisconsin Public Service Corp | Peshtigo, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.6 GWh | May 1971 | Dec 2024 | Natural Gas |
| Hodag Solar | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.6 GWh | Dec 2021 | Dec 2024 | Solar |
| De Pere Energy Center | Wisconsin Public Service Corp | De Pere, WI | Midcontinent Independent System Operator, Inc. (MISO) | 138.0 GWh | May 1999 | Dec 2024 | Natural Gas : 68.9% Distillate Fuel Oil : 31.1% |
| Weston RICE | Wisconsin Public Service Corp | Kronenwetter, WI | Midcontinent Independent System Operator, Inc. (MISO) | 85.5 GWh | Jun 2023 | Dec 2024 | Natural Gas |
| Forward Wind Energy Center | Wisconsin Public Service Corp | Brownsville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 138.3 GWh | Jun 2008 | Oct 2025 | Wind |
| Weston | Wisconsin Public Service Corp | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.6 TWh | Nov 1954 | Oct 2025 | Subbituminous Coal : 99.4% Natural Gas : 0.6% |
| Wausau | Wisconsin Public Service Corp | Wausau, WI | Midcontinent Independent System Operator, Inc. (MISO) | 18.6 GWh | Feb 1921 | Dec 2024 | Water |
| Tomahawk | Wisconsin Public Service Corp | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.8 GWh | Dec 1937 | Dec 2024 | Water |
| Petenwell | Wisconsin River Power Company | Necedah, WI | Midcontinent Independent System Operator, Inc. (MISO) | 108.4 GWh | Jul 1949 | Dec 2024 | Water |
| Castle Rock | Wisconsin River Power Company | Adams, WI | Midcontinent Independent System Operator, Inc. (MISO) | 91.9 GWh | Jul 1950 | Dec 2024 | Water |
| Timberline Trail Gas Recovery | WM Renewable Energy LLC | Weyerhaeser, WI | Midcontinent Independent System Operator, Inc. (MISO) | 18.9 GWh | Jan 2006 | Dec 2024 | Landfill Gas |
| Deertrack Park Gas Recovery | WM Renewable Energy LLC | Watertown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 37.0 GWh | Jan 2006 | Dec 2024 | Landfill Gas |
| Berlin Landfill Gas | WM Renewable Energy LLC | Berlin, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | Jul 2001 | Dec 2024 | Landfill Gas |
| Metro Gas Recovery | WM Renewable Energy LLC | Franklin, WI | Midcontinent Independent System Operator, Inc. (MISO) | 37.0 GWh | Nov 1985 | Dec 2024 | Landfill Gas |
| Omega Hills Gas Recovery | WM Renewable Energy LLC | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 79.7 GWh | Nov 1985 | Oct 2025 | Landfill Gas |
| Ridgeview | WM Renewable Energy LLC | Whitelaw, WI | Midcontinent Independent System Operator, Inc. (MISO) | 35.6 GWh | Aug 2002 | Dec 2024 | Landfill Gas |
| Pheasant Run Landfill Gas Recovery | WM Renewable Energy LLC | Bristol, WI | Midcontinent Independent System Operator, Inc. (MISO) | 47.9 GWh | Jan 1992 | Dec 2024 | Landfill Gas |
| Island Street Peaking Plant | WPPI Energy | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 GWh | May 2004 | Dec 2024 | Natural Gas |