Directory of Power Plants in Wisconsin
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Sand Lake DPC Solar | SoCore Energy LLC | Centuria, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Oct 2017 | Dec 2024 | Solar |
| Jackson Solar WI, LLC | Wisconsin Electric Power Co | Cedarburg, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Nov 2023 | May 2024 | Solar |
| Cassville Solar | Wisconsin Power & Light Co | Cassville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 97.7 GWh | Nov 2023 | Dec 2025 | Solar |
| Cashton Greens Wind Farm | Cashton Greens Wind Farm LLC | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Apr 2012 | Dec 2024 | Wind |
| Cashton | Village of Cashton - (WI) | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.8 MWh | Jul 1932 | Dec 2024 | Distillate Fuel Oil : 98.9% Natural Gas : 1.1% |
| Cashton Solar | Butter Solar, LLC | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Aug 2019 | Dec 2024 | Solar |
| Wind Turbine | Madison Gas & Electric Co | Casco, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.4 GWh | May 1999 | Dec 2024 | Wind |
| Auburn Solar WI, LLC | Wisconsin Electric Power Co | Campbellsport, WI | Midcontinent Independent System Operator, Inc. (MISO) | 80.0 MWh | Nov 2024 | Dec 2024 | Solar |
| RockGen Energy Center | Dairyland Power Coop | Cambridge, WI | Midcontinent Independent System Operator, Inc. (MISO) | 496.4 GWh | May 2001 | Dec 2025 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Glacier Hills | Wisconsin Electric Power Co | Cambria, WI | Midcontinent Independent System Operator, Inc. (MISO) | 368.6 GWh | Nov 2011 | Dec 2025 | Wind |
| Spring Prairie Solar WI, LLC | Wisconsin Electric Power Co | Burlington, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Nov 2023 | May 2024 | Solar |
| Thornapple | Northern States Power Co - Minnesota | Bruce, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.6 GWh | Dec 1926 | Dec 2024 | Water |
| Forward Wind Energy Center | Wisconsin Public Service Corp | Brownsville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 134.6 GWh | Jun 2008 | Dec 2025 | Wind |
| Albany Solar (WI) | Wisconsin Power & Light Co | Broadhead, WI | Midcontinent Independent System Operator, Inc. (MISO) | 98.0 GWh | Nov 2023 | Dec 2025 | Solar |
| 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 |
| Hay River (Dunn 1) | Greenbacker Renewable Energy Corporation | Boyceville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.8 GWh | Jan 2024 | 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 |
| Shamrock Solar LLC | Greenbacker Renewable Energy Corporation | Black River Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Nov 2021 | Dec 2024 | Solar |
| 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 |
| Biron | Consolidated Water Power Co | Biron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.9 GWh | Dec 1895 | Dec 2024 | Water |
| Berlin Landfill Gas | WM Renewable Energy LLC | Berlin, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | Jul 2001 | Dec 2024 | Landfill Gas |
| HQC Rock River Solar Power Gen Station | HQC Rock River Solar Power Generation Station LLC | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Jun 2016 | Dec 2024 | Solar |
| Riverside Energy Center | Wisconsin Power & Light Co | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 TWh | May 2004 | Dec 2025 | 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% |
| Paddock Solar | Wisconsin Power & Light Co | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 135.2 GWh | Oct 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% |
| Barron Solar Array | AEP Onsite Partners, LLC | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Jul 2021 | Dec 2024 | Solar |
| Barron | City of Barron - (WI) | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 342.0 MWh | Jul 1923 | Dec 2024 | Water |
| Georgetown (Polk Burnett) | Greenbacker Renewable Energy Corporation | Balsam Lake, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Oct 2023 | Dec 2024 | 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 |
| 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% |
| Argyle | City of Argyle - (WI) | Argyle, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.0 MWh | Dec 1928 | Dec 2024 | Water : 87.5% Distillate Fuel Oil : 12.5% |
| Arcadia Electric | City of Arcadia - (WI) | Arcadia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 150.0 MWh | Dec 1929 | Dec 2024 | Distillate Fuel Oil : 67.3% Natural Gas : 32.7% |
| Arcadia Solar | Butter Solar, LLC | Arcadia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.5 GWh | Aug 2019 | Dec 2024 | Solar |
| Appleton | Wisconsin Electric Power Co | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.4 GWh | Jul 1916 | Dec 2024 | Water |
| Kimberly Mill | City of Kaukauna | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.7 GWh | Dec 1925 | 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 |
| John P Madgett | Dairyland Power Coop | Alma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 TWh | Oct 1979 | Dec 2025 | Subbituminous Coal : 99.7% |
| Adams PV Plant | Adams PV Plant (WI) | Adams, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.8 GWh | Jun 2023 | Dec 2024 | Solar |
| Castle Rock | Wisconsin River Power Company | Adams, WI | Midcontinent Independent System Operator, Inc. (MISO) | 91.9 GWh | Jul 1950 | Dec 2024 | Water |
Browse Power Plants By Wisconsin Counties
Figures are based on December 2024 generation numbers.| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Juneau County, WI | # 29 | 9 | 125.4 GWh |
| Rusk County, WI | # 28 | 6 | 137.5 GWh |
| Sauk County, WI | # 27 | 1 | 143.8 GWh |
| Ashland County, WI | # 26 | 2 | 164.2 GWh |
| Waushara County, WI | # 25 | 1 | 187.1 GWh |
| Marinette County, WI | # 24 | 10 | 193.4 GWh |
| Lincoln County, WI | # 23 | 5 | 225.7 GWh |
| Kenosha County, WI | # 22 | 5 | 281.4 GWh |
| Racine County, WI | # 21 | 5 | 336.0 GWh |
| Lafayette County, WI | # 20 | 2 | 381.2 GWh |
| Iowa County, WI | # 19 | 3 | 464.1 GWh |
| Fond du Lac County, WI | # 18 | 9 | 521.9 GWh |
| Brown County, WI | # 17 | 8 | 532.3 GWh |
| Chippewa County, WI | # 16 | 12 | 548.3 GWh |
| Dodge County, WI | # 15 | 6 | 579.8 GWh |
| Wood County, WI | # 14 | 10 | 671.3 GWh |
| Grant County, WI | # 13 | 9 | 733.3 GWh |
| Winnebago County, WI | # 12 | 5 | 748.7 GWh |
| Dane County, WI | # 11 | 26 | 977.8 GWh |
| Jefferson County, WI | # 10 | 8 | 1.2 TWh |
| Buffalo County, WI | # 9 | 3 | 1.3 TWh |
| Sheboygan County, WI | # 8 | 5 | 2.9 TWh |
| Outagamie County, WI | # 7 | 15 | 4.2 TWh |
| Marathon County, WI | # 6 | 8 | 5.2 TWh |
| Columbia County, WI | # 5 | 6 | 6.4 TWh |
| Ozaukee County, WI | # 4 | 2 | 7.3 TWh |
| Rock County, WI | # 3 | 15 | 8.3 TWh |
| Milwaukee County, WI | # 2 | 11 | 10.0 TWh |
| Manitowoc County, WI | # 1 | 7 | 10.8 TWh |