Directory of Power Plants in Wisconsin
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Badger Hollow I | Wisconsin Public Service Corp | Montfort, WI | Midcontinent Independent System Operator, Inc. (MISO) | 203.8 GWh | Oct 2021 | Dec 2025 | Solar |
| Badger Hollow II | Wisconsin Electric Power Co | Cobb, WI | Midcontinent Independent System Operator, Inc. (MISO) | 205.8 GWh | Nov 2023 | Dec 2025 | Solar |
| Barron | City of Barron - (WI) | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 342.0 MWh | Jul 1923 | Dec 2024 | Water |
| Barron Solar Array | AEP Onsite Partners, LLC | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Jul 2021 | Dec 2024 | Solar |
| Bay Front | Northern States Power Co - Minnesota | Ashland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 160.3 GWh | Dec 1948 | Dec 2024 | Wood/Wood Waste Solids : 95.3% Tire-derived Fuels : 4.1% Natural Gas : 0.6% |
| Bear Creek (WI) | Wisconsin Power & Light Co | Lone Rock, WI | Midcontinent Independent System Operator, Inc. (MISO) | 100.4 GWh | Aug 2022 | Dec 2025 | Solar |
| Beaver Dam Solar | Wisconsin Power & Light Co | Dodge, WI | Midcontinent Independent System Operator, Inc. (MISO) | 99.8 GWh | Nov 2023 | Dec 2025 | Solar |
| Beloit Memorial Hospital Power Plant | Beloit Memorial Hospital | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 70.6 MWh | May 2000 | Dec 2024 | Natural Gas : 72.9% Distillate Fuel Oil : 27.1% |
| Berlin Landfill Gas | WM Renewable Energy LLC | Berlin, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | Jul 2001 | Dec 2024 | Landfill Gas |
| Big Falls | Northern States Power Co - Minnesota | Glen Fora, WI | Midcontinent Independent System Operator, Inc. (MISO) | 36.1 GWh | Dec 1921 | Dec 2024 | Water |
| Biron | Consolidated Water Power Co | Biron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.9 GWh | Dec 1895 | Dec 2024 | Water |
| Biron Mill | ND Paper, Inc. | Wisconsin Rapids, WI | Midcontinent Independent System Operator, Inc. (MISO) | 95.7 GWh | Aug 1947 | Dec 2024 | Natural Gas : 79.6% Subbituminous Coal : 20.4% |
| Blount Street | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 48.8 GWh | May 1957 | Dec 2024 | Natural Gas |
| Blue Prairie Solar, LLC | Greenbacker Renewable Energy Corporation | Black River Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Jul 2021 | Dec 2024 | Solar |
| Blue Sky Green Field Wind Project | Wisconsin Electric Power Co | Fond du Lac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 335.4 GWh | Apr 2008 | Dec 2025 | Wind |
| Bluff Prairie (Vernon) | Greenbacker Renewable Energy Corporation | De Soto, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Oct 2023 | Dec 2024 | Solar |
| Bonduel Solar WI, LLC | Wisconsin Electric Power Co | Bonduel, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Nov 2023 | Feb 2024 | Solar |
| Brule | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 15.9 GWh | Dec 1918 | Dec 2024 | Water |
| Butler Ridge | Butler Ridge Wind Energy Center | Mayville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 141.8 GWh | Jan 2009 | Dec 2025 | Wind |
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 |