Directory of Power Plants in Wisconsin
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Strobus | Greenbacker Renewable Energy Corporation | Merrillan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Aug 2021 | Dec 2024 | Solar |
| Stromland Solar | Greenbacker Renewable Energy Corporation | Cochrane, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Nov 2021 | Dec 2024 | Solar |
| Sycamore (WI) | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 19.0 MWh | Nov 1967 | Dec 2024 | Natural Gas |
| Thornapple | Northern States Power Co - Minnesota | Bruce, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.6 GWh | Dec 1926 | 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 |
| Tomahawk | Wisconsin Public Service Corp | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.8 GWh | Dec 1937 | Dec 2024 | Water |
| Trego | Northern States Power Co - Minnesota | Hayward, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1926 | Dec 2024 | Water |
| Trimbelle (Pierce Pepin) | Greenbacker Renewable Energy Corporation | Hager City, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Jan 2024 | Dec 2024 | Solar |
| Twin Falls (WI) | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.7 GWh | Jun 2016 | Dec 2024 | Water |
| Two Creeks Solar | Wisconsin Public Service Corp | Two Rivers, WI | Midcontinent Independent System Operator, Inc. (MISO) | 191.6 GWh | Oct 2020 | Dec 2025 | Solar |
| Tyto Solar | Madison Gas & Electric Co | Fitchburg, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.8 GWh | Jan 2024 | Dec 2024 | Solar |
| UW Parkside | Wisconsin Electric Power Co | Kenosha, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Oct 2020 | Dec 2024 | Solar |
| Valley (WI) | Wisconsin Electric Power Co | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 369.7 GWh | May 1968 | Dec 2025 | Natural Gas |
| Viola | Village of Viola - (WI) | Viola, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Dec 2001 | Dec 2024 | Distillate Fuel Oil |
| Viresco Turtle Lake | Viresco Turtle Lake | Turtle Lake, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.8 GWh | Aug 2013 | Dec 2024 | Other Biomass Gas |
| Walleye (Dunn 2) | Greenbacker Renewable Energy Corporation | Colefax, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.8 GWh | Jan 2024 | Dec 2024 | Solar |
| Warren DPC Solar | SoCore Energy LLC | Roberts, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Apr 2017 | Dec 2025 | Solar |
| Washington County | Wisconsin Electric Power Co | West Bend, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Dec 2019 | Dec 2024 | Solar |
| Washington Island | Washington Island El Coop, Inc | Washington Island, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 MWh | Nov 1945 | Dec 2023 | Distillate Fuel Oil |
| Wausau | Wisconsin Public Service Corp | Wausau, WI | Midcontinent Independent System Operator, Inc. (MISO) | 18.6 GWh | Feb 1921 | Dec 2024 | Water |
| Wautoma Solar | Wisconsin Power & Light Co | Wautoma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 187.1 GWh | Nov 2023 | Dec 2025 | Solar |
| Waxdale | S.C. Johnson & Son, Inc. | Sturtevant, WI | Midcontinent Independent System Operator, Inc. (MISO) | 37.3 GWh | Nov 2003 | Dec 2025 | Natural Gas : 43.0% Landfill Gas : 35.1% Wind : 13.4% Solar : 8.5% |
| Webster Creek (Oak 2) | Greenbacker Renewable Energy Corporation | New Lisbon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Nov 2023 | Dec 2024 | Solar |
| West Campus Cogeneration Facility | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 282.0 GWh | Mar 2005 | Dec 2024 | Natural Gas : 99.8% |
| West Marinette | Wisconsin Public Service Corp | Peshtigo, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.6 GWh | May 1971 | Dec 2024 | Natural Gas |
| West Marinette 34 | Madison Gas & Electric Co | Peshtigo, WI | Midcontinent Independent System Operator, Inc. (MISO) | 43.6 GWh | May 2000 | Dec 2024 | Natural Gas |
| West Riverside Energy Center | Wisconsin Power & Light Co | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 TWh | Apr 2020 | Dec 2025 | Natural Gas : 99.9% |
| Weston | Wisconsin Public Service Corp | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 TWh | Nov 1954 | Dec 2025 | Subbituminous Coal : 99.4% Natural Gas : 0.6% |
| Weston RICE | Wisconsin Public Service Corp | Kronenwetter, WI | Midcontinent Independent System Operator, Inc. (MISO) | 85.5 GWh | Jun 2023 | Dec 2024 | Natural Gas |
| Wheaton | Northern States Power Co - Minnesota | Eau Claire, WI | Midcontinent Independent System Operator, Inc. (MISO) | 18.6 GWh | Dec 1972 | Dec 2024 | Natural Gas : 96.6% Distillate Fuel Oil : 3.4% |
| Whistling Winds DPC Solar | SoCore Energy LLC | New Lisbon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | May 2017 | Dec 2025 | Solar |
| White River (WI) | Northern States Power Co - Minnesota | Ashland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Dec 1906 | Dec 2024 | Water |
| Whitewater Generating Station | Wisconsin Electric Power Co | Whitewater, WI | Midcontinent Independent System Operator, Inc. (MISO) | 863.1 GWh | Aug 1997 | Sep 2025 | Natural Gas |
| Whiting | Consolidated Water Power Co | Whiting, WI | Midcontinent Independent System Operator, Inc. (MISO) | 25.0 GWh | Dec 1890 | Dec 2024 | Water |
| Wind Turbine | Madison Gas & Electric Co | Casco, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.4 GWh | May 1999 | Dec 2024 | Wind |
| Winnebago County Landfill Gas | Winnebago County | Oshkosh, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.8 GWh | Jan 2000 | Dec 2024 | Landfill Gas |
| Wisconsin Rapids | Consolidated Water Power Co | Wisconsin Rapids, WI | Midcontinent Independent System Operator, Inc. (MISO) | 49.9 GWh | Dec 1902 | Dec 2024 | Water |
| Wissota | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 135.9 GWh | Dec 1916 | Dec 2024 | Water |
| Wolf River (Chipewa 1) | Greenbacker Renewable Energy Corporation | Stanley, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.4 GWh | Jan 2024 | Dec 2024 | Solar |
| Wood County | Wisconsin Power & Light Co | Nekoosa, WI | Midcontinent Independent System Operator, Inc. (MISO) | 275.0 GWh | Nov 2022 | Dec 2025 | Solar |
Browse Power Plants By Wisconsin Counties
Figures are based on December 2024 generation numbers.| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Marinette County, WI | # 24 | 10 | 193.4 GWh |
| Milwaukee County, WI | # 2 | 11 | 10.0 TWh |
| Monroe County, WI | # 43 | 3 | 14.0 GWh |
| Oconto County, WI | # 40 | 3 | 19.0 GWh |
| Oneida County, WI | # 39 | 3 | 24.9 GWh |
| Outagamie County, WI | # 7 | 15 | 4.2 TWh |
| Ozaukee County, WI | # 4 | 2 | 7.3 TWh |
| Pierce County, WI | # 57 | 2 | 3.0 GWh |
| Polk County, WI | # 30 | 6 | 123.4 GWh |
| Portage County, WI | # 32 | 6 | 109.3 GWh |
| Price County, WI | # 47 | 6 | 12.4 GWh |
| Racine County, WI | # 21 | 5 | 336.0 GWh |
| Richland County, WI | # 34 | 4 | 106.3 GWh |
| Rock County, WI | # 3 | 15 | 8.3 TWh |
| Rusk County, WI | # 28 | 6 | 137.5 GWh |
| Sauk County, WI | # 27 | 1 | 143.8 GWh |
| Sawyer County, WI | # 46 | 4 | 13.2 GWh |
| Sheboygan County, WI | # 8 | 5 | 2.9 TWh |
| St. Croix County, WI | # 42 | 3 | 16.7 GWh |
| Taylor County, WI | # 58 | 1 | 2.6 GWh |
| Trempealeau County, WI | # 50 | 2 | 8.6 GWh |
| Vernon County, WI | # 54 | 5 | 6.1 GWh |
| Walworth County, WI | # 55 | 3 | 4.0 GWh |
| Washburn County, WI | # 49 | 3 | 10.1 GWh |
| Washington County, WI | # 31 | 5 | 113.9 GWh |
| Waukesha County, WI | # 53 | 2 | 7.0 GWh |
| Waushara County, WI | # 25 | 1 | 187.1 GWh |
| Winnebago County, WI | # 12 | 5 | 748.7 GWh |
| Wood County, WI | # 14 | 10 | 671.3 GWh |