Directory of Power Plants in Wisconsin

List of All Wisconsin Power Plants

Displaying Results 1 to 13 of 13
Plant NameUtilityLocationBalancing AuthorityAnnual GenerationPlant DateLast UpdateFuel Types
Mosinee MillAhlstrom-Munksjo NA Specialty Solutions, LLCMosinee, WIMidcontinent Independent System Operator, Inc. (MISO)101.2 GWhJun 1916May 2026 Black Liquor : 43.1% Natural Gas : 22.1% Water : 15.5% Bituminous Coal : 12.0% Wood/Wood Waste Solids : 5.4% Sludge Waste : 1.4%
Marshfield Utilities Gas PlantCity of Marshfield - (WI)Marshfield, WIMidcontinent Independent System Operator, Inc. (MISO)18.8 GWhMay 2011Dec 2025 Natural Gas
Middleton Airport SolarMadison Gas & Electric CoMiddleton, WIMidcontinent Independent System Operator, Inc. (MISO)7.4 GWhJun 2020Dec 2025 Solar
ManitowocManitowoc Public UtilitiesManitowoc, WIMidcontinent Independent System Operator, Inc. (MISO)178.4 GWhMay 1955May 2026 Wood/Wood Waste Solids : 88.2% Petroleum Coke : 6.6% Bituminous Coal : 4.9%
Middleton Biogas Solar, LLCMiddleton Biogas Solar, LLCMiddleton, WIMidcontinent Independent System Operator, Inc. (MISO)1.9 GWhApr 2022Dec 2025 Solar
MMSD Jones Island WastewaterMilwaukee Metro Sewerage DistMilwaukee, WIMidcontinent Independent System Operator, Inc. (MISO)83.3 GWhDec 1970May 2026 Natural Gas : 84.8% Landfill Gas : 14.2% Distillate Fuel Oil : 1.0%
MMSD South Shore WastewaterMilwaukee Metro Sewerage DistOak Creek, WIMidcontinent Independent System Operator, Inc. (MISO)23.0 GWhJul 2000Dec 2025 Other Biomass Gas : 88.5% Natural Gas : 11.5%
MenomonieNorthern States Power Co - MinnesotaMenomonie, WIMidcontinent Independent System Operator, Inc. (MISO)22.7 GWhDec 1957Dec 2025 Water
Mt. Hope DPC SolarSoCore Energy LLCMt. Hope, WIMidcontinent Independent System Operator, Inc. (MISO)2.1 GWhDec 2016May 2026 Solar
Medford DPC SolarSoCore Energy LLCMedford, WIMidcontinent Independent System Operator, Inc. (MISO)2.8 GWhJan 2017May 2026 Solar
Montfort Wind Energy CenterWisconsin Electric Power CoMontfort, WIMidcontinent Independent System Operator, Inc. (MISO)51.3 GWhMay 2002May 2026 Wind
MerrillWisconsin Public Service CorpMerrill, WIMidcontinent Independent System Operator, Inc. (MISO)3.7 GWhFeb 1917Dec 2025 Water
Metro Gas RecoveryWM Renewable Energy LLCFranklin, WIMidcontinent Independent System Operator, Inc. (MISO)41.2 GWhNov 1985Dec 2025 Landfill Gas

Browse Power Plants By Wisconsin Counties

Figures are based on May 2026 generation numbers.
CountyState RankActive PlantsMay 2026 Generation
Manitowoc County, WI# 1710.6 TWh
Milwaukee County, WI# 2119.9 TWh
Rock County, WI# 3158.5 TWh
Ozaukee County, WI# 426.9 TWh
Columbia County, WI# 575.9 TWh
Outagamie County, WI# 6154.8 TWh
Marathon County, WI# 784.5 TWh
Sheboygan County, WI# 852.6 TWh
Dane County, WI# 9301.1 TWh
Buffalo County, WI# 1041.1 TWh
Jefferson County, WI# 1110820.6 GWh
Grant County, WI# 129737.5 GWh
Wood County, WI# 1310660.1 GWh
Brown County, WI# 148579.7 GWh
Dodge County, WI# 156570.3 GWh
Fond du Lac County, WI# 169547.4 GWh
Winnebago County, WI# 176486.0 GWh
Iowa County, WI# 183464.8 GWh
Chippewa County, WI# 1914457.4 GWh
Lafayette County, WI# 202371.6 GWh
Racine County, WI# 216353.1 GWh
Marinette County, WI# 2210291.2 GWh
Kenosha County, WI# 237275.0 GWh
Lincoln County, WI# 245220.5 GWh
Waushara County, WI# 252189.7 GWh
Ashland County, WI# 262179.7 GWh
Polk County, WI# 277176.8 GWh
Sauk County, WI# 281152.9 GWh
Rusk County, WI# 296126.2 GWh
Washington County, WI# 305117.6 GWh
Juneau County, WI# 3111112.7 GWh
CountyState RankActive PlantsMay 2026 Generation
Richland County, WI# 324107.5 GWh
Adams County, WI# 33298.8 GWh
Portage County, WI# 34792.9 GWh
La Crosse County, WI# 35369.1 GWh
Dunn County, WI# 36560.8 GWh
Florence County, WI# 37360.5 GWh
Eau Claire County, WI# 38337.1 GWh
Oneida County, WI# 39327.1 GWh
Walworth County, WI# 40524.1 GWh
Oconto County, WI# 41323.3 GWh
Langlade County, WI# 42217.9 GWh
St. Croix County, WI# 43517.8 GWh
Barron County, WI# 44717.0 GWh
Price County, WI# 45614.0 GWh
Jackson County, WI# 46412.8 GWh
Monroe County, WI# 47312.8 GWh
Sawyer County, WI# 48412.7 GWh
Kewaunee County, WI# 49312.0 GWh
Shawano County, WI# 50112.0 GWh
Green Lake County, WI# 51111.6 GWh
Iron County, WI# 5219.1 GWh
Washburn County, WI# 5348.8 GWh
Trempealeau County, WI# 5427.4 GWh
Burnett County, WI# 5567.2 GWh
Waukesha County, WI# 5626.3 GWh
Vernon County, WI# 5756.3 GWh
Clark County, WI# 5823.7 GWh
Pierce County, WI# 5923.4 GWh
Taylor County, WI# 6023.2 GWh
Door County, WI# 6115.0 MWh