Directory of Power Plants in Wisconsin
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Adams PV Plant | Adams PV Plant (WI) | Adams, WI | Midcontinent Independent System Operator, Inc. (MISO) | 15.4 GWh | Jun 2023 | Dec 2025 | Solar |
| Adams Road Solar | Wisconsin Electric Power Co | Franksville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Albany Solar (WI) | Wisconsin Power & Light Co | Broadhead, WI | Midcontinent Independent System Operator, Inc. (MISO) | 99.3 GWh | Nov 2023 | May 2026 | Solar |
| Alexander | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.9 GWh | Dec 1924 | Dec 2025 | Water |
| Alliant Energy Neenah | Wisconsin Power & Light Co | Neenah, WI | Midcontinent Independent System Operator, Inc. (MISO) | 482.7 GWh | Apr 2000 | Dec 2025 | Natural Gas |
| Ameresco Janesville | AMERESCO Janesville LLC | Janesville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Sep 2004 | Dec 2025 | Landfill Gas |
| Antigo-Forrest Street Solar Project | Wisconsin Public Service Corp | Antigo, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 GWh | Oct 2024 | Dec 2025 | Solar |
| Antigo Solar Partners, LLC | Wisconsin Electric Power Co | Antigo, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 GWh | Oct 2025 | Dec 2025 | Solar |
| Apple River | Northern States Power Co - Minnesota | Somerset, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.2 GWh | Dec 1900 | Dec 2025 | Water |
| Apple River Solar, LLC | Geronimo Power | Amery, WI | Midcontinent Independent System Operator, Inc. (MISO) | 82.3 GWh | Nov 2025 | May 2026 | Solar |
| Appleton | Wisconsin Electric Power Co | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.2 GWh | Jul 1916 | Dec 2025 | Water |
| Arcadia Electric | City of Arcadia - (WI) | Arcadia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 253.0 MWh | Dec 1929 | Dec 2025 | Distillate Fuel Oil : 70.5% Natural Gas : 29.5% |
| Arcadia Solar | Green Street Power Partners | Arcadia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.2 GWh | Aug 2019 | Dec 2025 | Solar |
| Argyle | City of Argyle - (WI) | Argyle, WI | Midcontinent Independent System Operator, Inc. (MISO) | 193.0 MWh | Dec 1928 | Dec 2025 | Water : 92.7% Distillate Fuel Oil : 7.3% |
| Arpin Dam | Zero6 Energy Hydro | Radisson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Aug 1971 | Aug 2025 | Water |
| ATI | Wisconsin Electric Power Co | Cudahy, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Oct 2020 | Dec 2025 | Solar |
| Auburn Solar WI, LLC | Wisconsin Electric Power Co | Campbellsport, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | Nov 2024 | Dec 2025 | Solar |
| Badger Hollow I | Wisconsin Public Service Corp | Montfort, WI | Midcontinent Independent System Operator, Inc. (MISO) | 200.7 GWh | Oct 2021 | May 2026 | Solar |
| Badger Hollow II | Wisconsin Electric Power Co | Cobb, WI | Midcontinent Independent System Operator, Inc. (MISO) | 212.9 GWh | Nov 2023 | May 2026 | Solar |
| Barron | City of Barron - (WI) | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 382.0 MWh | Jul 1923 | Dec 2025 | Water |
| Barron Solar Array | Onsite Partners, LLC | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Jul 2021 | Dec 2025 | Solar |
| Bay Front | Northern States Power Co - Minnesota | Ashland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 176.9 GWh | Dec 1948 | Dec 2025 | Wood/Wood Waste Solids : 95.1% Tire-derived Fuels : 4.2% Natural Gas : 0.7% |
| Bear Creek (WI) | Wisconsin Power & Light Co | Lone Rock, WI | Midcontinent Independent System Operator, Inc. (MISO) | 100.4 GWh | Aug 2022 | May 2026 | Solar |
| Beaver Dam Solar | Wisconsin Power & Light Co | Dodge, WI | Midcontinent Independent System Operator, Inc. (MISO) | 101.4 GWh | Nov 2023 | May 2026 | Solar |
| Beloit Memorial Hospital Power Plant | Beloit Memorial Hospital | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 147.0 MWh | May 2000 | Dec 2025 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Berlin Landfill Gas | WM Renewable Energy LLC | Berlin, WI | Midcontinent Independent System Operator, Inc. (MISO) | 11.6 GWh | Jul 2001 | Dec 2025 | Landfill Gas |
| Big Falls | Northern States Power Co - Minnesota | Glen Fora, WI | Midcontinent Independent System Operator, Inc. (MISO) | 27.3 GWh | Dec 1921 | Dec 2025 | Water |
| Biron | Consolidated Water Power Co | Biron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 29.6 GWh | Dec 1895 | Dec 2025 | 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) | 58.6 GWh | May 1957 | Dec 2025 | Natural Gas |
| Blue Prairie Solar, LLC | Altus Power America Management, LLC | Black River Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Jul 2021 | Dec 2025 | Solar |
| Blue Sky Green Field Wind Project | Wisconsin Electric Power Co | Fond du Lac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 319.7 GWh | Apr 2008 | May 2026 | Wind |
| Bluff Prairie (Vernon) | Greenbacker Renewable Energy Corporation | De Soto, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.8 GWh | Oct 2023 | Dec 2025 | Solar |
| Bonduel Solar WI, LLC | Wisconsin Electric Power Co | Bonduel, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 GWh | Nov 2023 | Dec 2025 | Solar |
| Bridge Creek | OneEnergy, Inc. | Augusta, WI | Midcontinent Independent System Operator, Inc. (MISO) | 258.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Bright Future | OneEnergy, Inc. | Hammond, WI | Midcontinent Independent System Operator, Inc. (MISO) | 361.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Brule | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.4 GWh | Dec 1918 | Dec 2025 | Water |
| Butler Ridge | Butler Ridge Wind Energy Center | Mayville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 137.9 GWh | Jan 2009 | May 2026 | Wind |
| Caldron Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.9 GWh | Oct 1924 | Dec 2025 | Water |
| Caledonia Solar WI, LLC | Wisconsin Electric Power Co | Caledonia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 GWh | Mar 2025 | Dec 2025 | Solar |
| Cashton | Village of Cashton - (WI) | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.8 MWh | Jul 1932 | Dec 2025 | Distillate Fuel Oil : 98.3% Natural Gas : 1.7% |
| Cashton Greens Wind Farm | Cashton Greens Wind Farm LLC | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.8 GWh | Apr 2012 | Dec 2025 | Wind |
| Cashton Solar | Green Street Power Partners | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Aug 2019 | Dec 2025 | Solar |
| Cassville Solar | Wisconsin Power & Light Co | Cassville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 98.7 GWh | Nov 2023 | May 2026 | Solar |
| Castle Rock | Wisconsin River Power Company | Adams, WI | Midcontinent Independent System Operator, Inc. (MISO) | 83.3 GWh | Jul 1950 | Dec 2025 | Water |
| Cedar Falls (WI) | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.9 GWh | Dec 1909 | Dec 2025 | Water |
| Cedar Ridge | Wisconsin Power & Light Co | Eden, WI | Midcontinent Independent System Operator, Inc. (MISO) | 184.8 GWh | Nov 2008 | Dec 2025 | Wind |
| Chippewa Falls | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 56.1 GWh | Dec 1927 | Dec 2025 | Water |
| City of Milwaukee Landfill | Wisconsin Electric Power Co | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Jan 2021 | Dec 2025 | Solar |
| Clam River Dam | Zero6 Energy Hydro | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Mar 1942 | Dec 2025 | Water |
| Columbia (WI) | Wisconsin Power & Light Co | Pardeville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 TWh | Apr 1975 | May 2026 | Subbituminous Coal : 99.9% |
| Combined Locks | City of Kaukauna (WI) | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 42.6 GWh | Jan 1988 | Dec 2025 | Water |
| Combined Locks Energy Center | McKinley Paper | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 301.6 GWh | Apr 2002 | Dec 2025 | Natural Gas |
| Concord | Wisconsin Electric Power Co | Watertown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 203.4 GWh | Jun 1993 | Dec 2025 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
| Conrath DPC Solar | SoCore Energy LLC | Conrath, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | May 2017 | Dec 2025 | Solar |
| Consumer Operations LLC | Georgia-Pacific Consumer Oper. Green Bay LLC | Green Bay, WI | Midcontinent Independent System Operator, Inc. (MISO) | 239.2 GWh | Dec 1953 | May 2026 | Natural Gas |
| Cornell | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 69.9 GWh | Jun 1976 | Dec 2025 | Water |
| Crawfish River | Wisconsin Power & Light Co | Jefferson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 129.7 GWh | Nov 2023 | May 2026 | Solar |
| CREE | Wisconsin Electric Power Co | Racine, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jul 2021 | Dec 2025 | Solar |
| Cumberland Solar | Green Street Power Partners | Cumberland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Aug 2019 | Dec 2025 | Solar |
| Cumberland (WI) | City of Cumberland - (WI) | Cumberland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 269.0 MWh | Jul 1939 | Dec 2025 | Distillate Fuel Oil : 62.7% Natural Gas : 37.3% |
| Custer Energy Center | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | May 1999 | Dec 2025 | Natural Gas |
| Danbury Dam | Zero6 Energy Hydro | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Dec 1920 | Dec 2025 | Water |
| Dane County Airport Solar | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 17.4 GWh | Nov 2020 | Dec 2025 | Solar |
| Dane County Solar LLC | Dane County Solar LLC | Cottage Grove, WI | Midcontinent Independent System Operator, Inc. (MISO) | 33.7 GWh | May 2023 | Dec 2025 | Solar |
| Darien Solar | Wisconsin Electric Power Co | Darien, WI | Midcontinent Independent System Operator, Inc. (MISO) | 366.3 GWh | Feb 2025 | May 2026 | Solar |
| De Pere Energy Center | Wisconsin Public Service Corp | De Pere, WI | Midcontinent Independent System Operator, Inc. (MISO) | 180.2 GWh | May 1999 | Dec 2025 | Natural Gas : 59.9% Distillate Fuel Oil : 40.1% |
| Deertrack Park Gas Recovery | WM Renewable Energy LLC | Watertown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 32.5 GWh | Jan 2006 | Dec 2025 | Landfill Gas |
| Dells | Northern States Power Co - Minnesota | Eau Claire, WI | Midcontinent Independent System Operator, Inc. (MISO) | 36.9 GWh | Dec 1922 | Dec 2025 | Water |
| Diesel Generators | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | May 2001 | May 2026 | Distillate Fuel Oil |
| Domtar Paper Company Rothschild | Domtar Paper Company Rothschild | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 524.0 MWh | Dec 1909 | Dec 2025 | Water |
| Downsville DPC Solar | SoCore Energy LLC | Menomonee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Jan 2017 | May 2026 | Solar |
| Du Bay | Consolidated Water Power Co | Eau Pleine, WI | Midcontinent Independent System Operator, Inc. (MISO) | 36.5 GWh | Dec 1941 | Dec 2025 | Water |
| Edgewater | Wisconsin Power & Light Co | Sheboygan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 TWh | Jun 1951 | May 2026 | Subbituminous Coal : 99.8% |
| Elk Mound | Dairyland Power Coop | Elk Mound, WI | Midcontinent Independent System Operator, Inc. (MISO) | 466.0 MWh | May 2001 | Dec 2025 | Natural Gas : 63.5% Distillate Fuel Oil : 36.5% |
| Elk Mound (PV) | OneEnergy, Inc. | Elk Mound, WI | Midcontinent Independent System Operator, Inc. (MISO) | 653.0 MWh | Aug 2025 | Dec 2025 | Solar |
| Elm Road Generating Station | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.5 TWh | Jan 2010 | May 2026 | Subbituminous Coal : 86.7% Bituminous Coal : 10.5% Natural Gas : 2.8% |
| Elroy | City of Elroy - (WI) | Elroy, WI | Midcontinent Independent System Operator, Inc. (MISO) | 48.0 MWh | Apr 1973 | Dec 2025 | Distillate Fuel Oil |
| Elroy Solar | Green Street Power Partners | Mauston, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Aug 2019 | Dec 2025 | Solar |
| ENGIE 2020 ProjectCo-WI1 LLC | ENGIE 2020 ProjectCo-WI1 LLC | Fond Du Lac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2021 | Dec 2025 | Solar |
| Epic Verona | Epic Hosting, LLC | Verona, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | May 2009 | Dec 2025 | Solar : 90.8% Distillate Fuel Oil : 9.2% |
| Fennimore | City of Fennimore - (WI) | Fennimore, WI | Midcontinent Independent System Operator, Inc. (MISO) | 75.0 MWh | Jan 1952 | Dec 2025 | Distillate Fuel Oil |
| Fennimore Solar | Green Street Power Partners | Fennimore, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Aug 2019 | Dec 2025 | Solar |
| Fiber Recovery, Inc. | Fiber Recovery, Inc | Ringle, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 2007 | Dec 2024 | Landfill Gas |
| Flambeau Crowley Rapids Project | Zero6 Energy Hydro | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Dec 1929 | Dec 2025 | Water |
| Flambeau Hydroelectric Station | Dairyland Power Coop | Ladysmith, WI | Midcontinent Independent System Operator, Inc. (MISO) | 62.1 GWh | Dec 1950 | Dec 2024 | Water |
| Flambeau Lower Project | Zero6 Energy Hydro | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Dec 1922 | Dec 2025 | Water |
| Flambeau Solar Partners | REC Solar | Phillips, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | Apr 2017 | Dec 2024 | Solar |
| Fond du Lac Community Solar | SoCore Energy LLC | Fond Du Lac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2021 | Dec 2025 | Solar |
| Forward Wind Energy Center | Wisconsin Public Service Corp | Brownsville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 124.9 GWh | Jun 2008 | May 2026 | Wind |
| Fox Energy Center | Wisconsin Public Service Corp | Wrightstown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 TWh | May 2005 | May 2026 | Natural Gas |
| French Island | Northern States Power Co - Minnesota | La Cross, WI | Midcontinent Independent System Operator, Inc. (MISO) | 65.3 GWh | Dec 1939 | May 2026 | Wood/Wood Waste Solids : 43.5% Non-biogenic Municipal Solid Waste : 25.3% Biogenic Municipal Solid Waste : 20.7% Distillate Fuel Oil : 10.2% |
| Galactic Wind | Galactic Wind | Waunakee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 21.2 GWh | Nov 2012 | Dec 2025 | Wind |
| Georgetown (Polk Burnett) | Greenbacker Renewable Energy Corporation | Balsam Lake, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Oct 2023 | Dec 2025 | Solar |
| Georgia-Pacific Corp - Nekoosa Mill | Domtar Industries Inc | Nekoosa, WI | Midcontinent Independent System Operator, Inc. (MISO) | 159.9 GWh | Dec 1911 | May 2026 | Natural Gas : 43.1% Black Liquor : 41.5% Water : 15.5% |
| Germantown | Wisconsin Electric Power Co | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 33.3 GWh | Jun 1978 | Dec 2025 | Natural Gas : 83.1% Distillate Fuel Oil : 16.9% |
| Glacier Hills | Wisconsin Electric Power Co | Cambria, WI | Midcontinent Independent System Operator, Inc. (MISO) | 336.4 GWh | Nov 2011 | May 2026 | Wind |
| Grandfather Falls | Wisconsin Public Service Corp | Irma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 79.1 GWh | Nov 1938 | Dec 2025 | Water |
| Grant County | Wisconsin Power & Light Co | Town of Potosi, WI | Midcontinent Independent System Operator, Inc. (MISO) | 375.2 GWh | Apr 2024 | May 2026 | Solar |
| Grantsburg Diesel | Northwestern Wisconsin Elec Co | Grantsburg, WI | Midcontinent Independent System Operator, Inc. (MISO) | 26.5 MWh | Nov 1963 | Dec 2025 | Distillate Fuel Oil |