Directory of Power Plants in Wisconsin
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
Jim Falls | Northern States Power Co - Minnesota | Jim Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 121.9 GWh | Jun 1988 | Dec 2024 | Water |
Rapide Croche | City of Kaukauna | Kaukana, WI | Midcontinent Independent System Operator, Inc. (MISO) | 17.2 GWh | Dec 1925 | Dec 2024 | Water |
New Badger | City of Kaukauna | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 51.9 GWh | Dec 2013 | Apr 2025 | Water |
Island Street Peaking Plant | WPPI Energy | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 GWh | May 2004 | Dec 2024 | Natural Gas |
Kaukauna Paper Mill | Thilmany LLC | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 115.6 GWh | Dec 1950 | Apr 2025 | Natural Gas : 50.6% Black Liquor : 49.4% |
Kaukauna Gas Turbine | City of Kaukauna | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Apr 1969 | Dec 2024 | Natural Gas |
Kaukauna City Hydro | City of Kaukauna | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 23.0 GWh | Nov 1940 | Dec 2024 | Water |
UW Parkside | Wisconsin Electric Power Co | Kenosha, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Oct 2020 | Dec 2024 | Solar |
Kohler Solar | Wisconsin Power & Light Co | Kohler, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | May 2022 | Dec 2024 | Solar |
Weston RICE | Wisconsin Public Service Corp | Kronenwetter, WI | Midcontinent Independent System Operator, Inc. (MISO) | 85.5 GWh | Jun 2023 | Dec 2024 | Natural Gas |
French Island | Northern States Power Co - Minnesota | La Cross, WI | Midcontinent Independent System Operator, Inc. (MISO) | 62.3 GWh | Dec 1939 | Apr 2025 | Wood/Wood Waste Solids : 45.9% Non-biogenic Municipal Solid Waste : 27.4% Biogenic Municipal Solid Waste : 22.4% Distillate Fuel Oil : 3.9% |
La Farge | La Farge Municipal Electric Co | La Farge, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Sep 1990 | Dec 2024 | Distillate Fuel Oil |
Flambeau Hydroelectric Station | Dairyland Power Coop | Ladysmith, WI | Midcontinent Independent System Operator, Inc. (MISO) | 62.1 GWh | Dec 1950 | Dec 2024 | Water |
Ladysmith Dam | Northern States Power Co - Minnesota | Ladysmith, WI | Midcontinent Independent System Operator, Inc. (MISO) | 11.3 GWh | Dec 1939 | Dec 2024 | Water |
Springfield Solar (WI) | Wisconsin Power & Light Co | Lomira, WI | Midcontinent Independent System Operator, Inc. (MISO) | 195.3 GWh | Nov 2023 | Apr 2025 | Solar |
Bear Creek | Wisconsin Power & Light Co | Lone Rock, WI | Midcontinent Independent System Operator, Inc. (MISO) | 98.7 GWh | Aug 2022 | Apr 2025 | Solar |
Dane County Airport Solar | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 17.7 GWh | Nov 2020 | 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% |
Nine Springs | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 82.0 MWh | Nov 1964 | Dec 2024 | Natural Gas |
Fitchburg | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 14.0 MWh | Apr 1973 | Dec 2024 | Natural Gas |
Hermsdorf Solar | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 14.8 GWh | Feb 2022 | Dec 2024 | Solar |
Blount Street | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 48.8 GWh | May 1957 | Dec 2024 | Natural Gas |
Sycamore (WI) | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 19.0 MWh | Nov 1967 | Dec 2024 | Natural Gas |
Diesel Generators | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 499.0 MWh | May 2001 | Apr 2025 | Distillate Fuel Oil |
Custer Energy Center | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | May 1999 | Dec 2024 | Natural Gas |
Manitowoc | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 155.2 GWh | May 1955 | Apr 2025 | Wood/Wood Waste Solids : 97.2% Petroleum Coke : 1.3% Bituminous Coal : 1.0% |
Park Mill | Eagle Creek Renewable Energy, LLC | Marinette, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Dec 1919 | Dec 2024 | Water |
Marshfield Utilities Gas Plant | City of Marshfield - (WI) | Marshfield, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | May 2011 | Dec 2024 | Natural Gas |
Lemonweir (Oak 1) | Greenbacker Renewable Energy Corporation | Mauston, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Nov 2023 | Dec 2024 | Solar |
Elroy Solar | Butter Solar, LLC | Mauston, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Aug 2019 | Dec 2024 | Solar |
Butler Ridge | Butler Ridge Wind Energy Center | Mayville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 142.8 GWh | Jan 2009 | Apr 2025 | Wind |
Medford DPC Solar | SoCore Energy LLC | Medford, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Jan 2017 | Apr 2025 | Solar |
Harley-Davison Powertrain Operations | Wisconsin Electric Power Co | Menomonee Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Sep 2020 | Dec 2024 | Solar |
Downsville DPC Solar | SoCore Energy LLC | Menomonee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Jan 2017 | Apr 2025 | Solar |
Menomonie | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.5 GWh | Dec 1957 | Dec 2024 | Water |
Cedar Falls (WI) | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 34.3 GWh | Dec 1909 | Dec 2024 | Water |
Alexander | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 19.0 GWh | Dec 1924 | Dec 2024 | Water |
Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Feb 1917 | Dec 2024 | Water |
Strobus | Greenbacker Renewable Energy Corporation | Merrillan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Aug 2021 | Dec 2024 | Solar |
Middleton Airport Solar | Madison Gas & Electric Co | Middleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Jun 2020 | Dec 2024 | Solar |
Middleton Biogas Solar, LLC | Middleton Biogas Solar, LLC | Middleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Apr 2022 | Dec 2023 | Solar |
Valley (WI) | Wisconsin Electric Power Co | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 449.3 GWh | May 1968 | Apr 2025 | Natural Gas |
City of Milwaukee Landfill | Wisconsin Electric Power Co | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Jan 2021 | Dec 2024 | Solar |
MMSD Jones Island Wastewater | Milwaukee Metro Sewerage Dist | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 63.7 GWh | Dec 1970 | Apr 2025 | Natural Gas : 83.7% Landfill Gas : 16.2% |
Badger Hollow I | Wisconsin Public Service Corp | Montfort, WI | Midcontinent Independent System Operator, Inc. (MISO) | 200.6 GWh | Oct 2021 | Apr 2025 | Solar |
Montfort Wind Energy Center | Wisconsin Electric Power Co | Montfort, WI | Midcontinent Independent System Operator, Inc. (MISO) | 59.2 GWh | May 2002 | Apr 2025 | Wind |
Red Barn Energy | Wisconsin Public Service Corp | Montfort, WI | Midcontinent Independent System Operator, Inc. (MISO) | 269.1 GWh | Mar 2023 | Apr 2025 | Wind |
Mosinee Mill | Ahlstrom-Munksjo NA Specialty Solutions, LLC | Mosinee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 125.8 GWh | Jun 1916 | Apr 2025 | Black Liquor : 44.3% Bituminous Coal : 28.5% Water : 16.9% Wood/Wood Waste Solids : 4.7% Residual Fuel Oil : 2.4% Natural Gas : 1.7% Sludge Waste : 1.6% |
Mt. Hope DPC Solar | SoCore Energy LLC | Mt. Hope, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Dec 2016 | Apr 2025 | Solar |
Petenwell | Wisconsin River Power Company | Necedah, WI | Midcontinent Independent System Operator, Inc. (MISO) | 108.4 GWh | Jul 1949 | Dec 2024 | Water |
Alliant Energy Neenah | Wisconsin Power & Light Co | Neenah, WI | Midcontinent Independent System Operator, Inc. (MISO) | 739.9 GWh | Apr 2000 | Dec 2024 | Natural Gas |
Wood County | Wisconsin Power & Light Co | Nekoosa, WI | Midcontinent Independent System Operator, Inc. (MISO) | 277.9 GWh | Nov 2022 | Apr 2025 | Solar |
Georgia-Pacific Corp - Nekoosa Mill | Domtar Industries Inc | Nekoosa, WI | Midcontinent Independent System Operator, Inc. (MISO) | 193.6 GWh | Dec 1911 | Apr 2025 | Black Liquor : 43.2% Natural Gas : 42.8% Water : 14.1% |
New Auburn DPC Solar | SoCore Energy LLC | New Auburn, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Dec 2017 | Apr 2025 | Solar |
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 |
New Lisbon | City of New Lisbon | New Lisbon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 19.0 MWh | Dec 1965 | Dec 2024 | Distillate Fuel Oil |
Whistling Winds DPC Solar | SoCore Energy LLC | New Lisbon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | May 2017 | Apr 2025 | Solar |
New Lisbon Solar | Butter Solar, LLC | New Lisbon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Aug 2019 | Dec 2024 | Solar |
Little Quinnesec Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Niagara, WI | Midcontinent Independent System Operator, Inc. (MISO) | 56.6 GWh | Nov 1900 | Dec 2024 | Water |
South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 TWh | Nov 1959 | Mar 2025 | Subbituminous Coal : 99.7% |
IKEA Oak Creek Rooftop PV System | IKEA Property Inc | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | May 2018 | Dec 2024 | Solar |
Elm Road Generating Station | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.3 TWh | Jan 2010 | Apr 2025 | Subbituminous Coal : 71.5% Bituminous Coal : 18.2% Natural Gas : 10.3% |
MMSD South Shore Wastewater | Milwaukee Metro Sewerage Dist | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 26.3 GWh | Jul 2000 | Dec 2024 | Other Biomass Gas : 88.7% Natural Gas : 11.3% |
Stiles | Oconto Electric Cooperative | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Feb 1949 | Dec 2024 | Water |
Oconto Falls Upper | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1917 | Dec 2024 | Water |
Oconto Falls Lower | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.9 GWh | Dec 1970 | Dec 2024 | Water |
Ogema | Greenbacker Renewable Energy Corporation | Ogema, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Feb 2024 | Dec 2024 | Solar |
Onalaska Campus Landfill Biogas | Gundersen Lutheran Biogas I LLC | Onalaska, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Feb 2012 | Dec 2024 | Landfill Gas |
Winnebago County Landfill Gas | Winnebago County | Oshkosh, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.8 GWh | Jan 2000 | Dec 2024 | Landfill Gas |
Columbia (WI) | Wisconsin Power & Light Co | Pardeville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.4 TWh | Apr 1975 | Apr 2025 | Subbituminous Coal : 99.9% |
Flambeau Lower Project | Renewable World Energies LLC | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Dec 1922 | Dec 2024 | Water |
Flambeau Crowley Rapids Project | Renewable World Energies LLC | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Dec 1929 | Dec 2024 | Water |
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 Marinette | Wisconsin Public Service Corp | Peshtigo, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.6 GWh | May 1971 | Dec 2024 | Natural Gas |
Lannon Stone | Wisconsin Electric Power Co | Pewaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Nov 2021 | Dec 2024 | Solar |
Flambeau Solar Partners | Flambeau Solar Partners, LLC | Phillips, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | Apr 2017 | Dec 2024 | Solar |
Port Edwards Mill | Domtar Industries Inc | Port Edwards, WI | Midcontinent Independent System Operator, Inc. (MISO) | 39.8 GWh | Dec 1912 | Apr 2025 | Water |
Port Washington Generating Station | Wisconsin Electric Power Co | Port Washington, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.8 TWh | Jun 2005 | Apr 2025 | Natural Gas |
Portage Solar Plant | Portage Solar Plant | Portage, WI | Midcontinent Independent System Operator, Inc. (MISO) | 22.8 GWh | May 2023 | Dec 2024 | Solar |
Prairie Du Sac | Wisconsin Power & Light Co | Prairie du Sac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 143.8 GWh | Sep 1915 | Dec 2024 | Water |
CREE | Wisconsin Electric Power Co | Racine, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Jul 2021 | Dec 2024 | Solar |
Arpin Dam | Renewable World Energies LLC | Radisson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Aug 1971 | Dec 2024 | Water |
Rhinelander Mill | Ahlstrom-Munksjo | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Nov 1917 | Apr 2025 | Water |
Hodag Solar | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.6 GWh | Dec 2021 | Dec 2024 | Solar |
Hat Rapids | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | May 1923 | Dec 2024 | Water |
Rice Lake Solar Array | AEP Onsite Partners, LLC | Rice Lake, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.9 GWh | May 2019 | Dec 2024 | Solar |
Richland Center Renewable Energy LLC | Richland Center Renewable Energy LLC | Richland Center, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Feb 2013 | Dec 2024 | Other Biomass Gas |
Fiber Recovery, Inc. | Fiber Recovery, Inc | Ringle, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 2007 | Dec 2024 | Landfill Gas |
Warren DPC Solar | SoCore Energy LLC | Roberts, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Apr 2017 | Apr 2025 | Solar |
Domtar Paper Company Rothschild | Domtar Paper Company Rothschild | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Dec 1909 | May 2024 | Water |
Weston | Wisconsin Public Service Corp | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 TWh | Nov 1954 | Apr 2025 | Subbituminous Coal : 99.6% |
Rothschild Biomass Cogen Facility | Wisconsin Electric Power Co | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 152.8 GWh | Oct 2013 | Dec 2024 | Wood/Wood Waste Solids : 97.4% Natural Gas : 2.6% |
Silver Lake Solar WI, LLC | Wisconsin Electric Power Co | Salem, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2023 | May 2024 | Solar |
Saxon Falls | Northern States Power Co - Minnesota | Saxon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 GWh | Dec 1912 | Dec 2024 | Water |
Onion River | Wisconsin Power & Light Co | Sheboygan Cedar Grove, WI | Midcontinent Independent System Operator, Inc. (MISO) | 214.1 GWh | Nov 2023 | Apr 2025 | Solar |
Edgewater | Wisconsin Power & Light Co | Sheboygan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 TWh | Jun 1951 | Apr 2025 | Subbituminous Coal : 99.9% |
Sheboygan Falls | Wisconsin Power & Light Co | Sheboygan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 642.5 GWh | May 2005 | Dec 2024 | Natural Gas |
Apple River | Northern States Power Co - Minnesota | Somerset, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.0 GWh | Dec 1900 | Dec 2024 | Water |
Spooner Solar Array | AEP Onsite Partners, LLC | Spooner, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 GWh | May 2019 | Dec 2023 | Solar |
St Croix Falls | Northern States Power Co - Minnesota | St Croix Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 104.9 GWh | Dec 1909 | Dec 2024 | Water |
Browse Power Plants By Wisconsin Counties
Figures are based on April 2025 generation numbers.County | State Rank | Active Plants | Apr 2025 Generation |
---|---|---|---|
Portage County, WI | # 32 | 6 | 109.3 GWh |
Adams County, WI | # 33 | 2 | 108.7 GWh |
Richland County, WI | # 34 | 4 | 104.6 GWh |
La Crosse County, WI | # 35 | 2 | 66.6 GWh |
Dunn County, WI | # 36 | 5 | 65.8 GWh |
Florence County, WI | # 37 | 3 | 56.6 GWh |
Eau Claire County, WI | # 38 | 2 | 42.4 GWh |
Oneida County, WI | # 39 | 3 | 24.7 GWh |
Oconto County, WI | # 40 | 3 | 19.0 GWh |
Barron County, WI | # 41 | 5 | 17.0 GWh |
St. Croix County, WI | # 42 | 3 | 16.8 GWh |
Monroe County, WI | # 43 | 3 | 14.0 GWh |
Green Lake County, WI | # 44 | 1 | 13.6 GWh |
Kewaunee County, WI | # 45 | 3 | 13.4 GWh |
Sawyer County, WI | # 46 | 4 | 13.2 GWh |
Price County, WI | # 47 | 6 | 12.4 GWh |
Jackson County, WI | # 48 | 4 | 12.1 GWh |
Washburn County, WI | # 49 | 3 | 10.0 GWh |
Trempealeau County, WI | # 50 | 2 | 8.6 GWh |
Iron County, WI | # 51 | 1 | 8.0 GWh |
Burnett County, WI | # 52 | 4 | 7.7 GWh |
Waukesha County, WI | # 53 | 2 | 7.0 GWh |
Vernon County, WI | # 54 | 5 | 6.1 GWh |
Walworth County, WI | # 55 | 3 | 4.0 GWh |
Clark County, WI | # 56 | 1 | 3.7 GWh |
Pierce County, WI | # 57 | 2 | 3.0 GWh |
Taylor County, WI | # 58 | 1 | 2.7 GWh |
Shawano County, WI | # 59 | 1 | 1.4 GWh |
Langlade County, WI | # 60 | 1 | 279.0 MWh |
Door County, WI | # 61 | 1 | 9.0 MWh |