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)117.8 GWhJun 1916Sep 2025 Black Liquor : 50.7% Bituminous Coal : 21.8% Water : 13.6% Wood/Wood Waste Solids : 6.1% Natural Gas : 3.7% Residual Fuel Oil : 2.3% Sludge Waste : 1.8%
MerrillWisconsin Public Service CorpMerrill, WIMidcontinent Independent System Operator, Inc. (MISO)4.3 GWhFeb 1917Dec 2024 Water
ManitowocManitowoc Public UtilitiesManitowoc, WIMidcontinent Independent System Operator, Inc. (MISO)179.3 GWhMay 1955Sep 2025 Wood/Wood Waste Solids : 91.2% Petroleum Coke : 4.8% Bituminous Coal : 3.6%
MenomonieNorthern States Power Co - MinnesotaMenomonie, WIMidcontinent Independent System Operator, Inc. (MISO)24.5 GWhDec 1957Dec 2024 Water
MMSD Jones Island WastewaterMilwaukee Metro Sewerage DistMilwaukee, WIMidcontinent Independent System Operator, Inc. (MISO)74.1 GWhDec 1970Sep 2025 Natural Gas : 79.4% Landfill Gas : 19.3% Distillate Fuel Oil : 1.3%
Metro Gas RecoveryWM Renewable Energy LLCFranklin, WIMidcontinent Independent System Operator, Inc. (MISO)37.0 GWhNov 1985Dec 2024 Landfill Gas
MMSD South Shore WastewaterMilwaukee Metro Sewerage DistOak Creek, WIMidcontinent Independent System Operator, Inc. (MISO)26.3 GWhJul 2000Dec 2024 Other Biomass Gas : 88.7% Natural Gas : 11.3%
Montfort Wind Energy CenterWisconsin Electric Power CoMontfort, WIMidcontinent Independent System Operator, Inc. (MISO)55.8 GWhMay 2002Sep 2025 Wind
Marshfield Utilities Gas PlantCity of Marshfield - (WI)Marshfield, WIMidcontinent Independent System Operator, Inc. (MISO)4.0 GWhMay 2011Dec 2024 Natural Gas
Mt. Hope DPC SolarSoCore Energy LLCMt. Hope, WIMidcontinent Independent System Operator, Inc. (MISO)2.1 GWhDec 2016Sep 2025 Solar
Medford DPC SolarSoCore Energy LLCMedford, WIMidcontinent Independent System Operator, Inc. (MISO)2.6 GWhJan 2017Sep 2025 Solar
Middleton Airport SolarMadison Gas & Electric CoMiddleton, WIMidcontinent Independent System Operator, Inc. (MISO)8.2 GWhJun 2020Dec 2024 Solar
Middleton Biogas Solar, LLCMiddleton Biogas Solar, LLCMiddleton, WIMidcontinent Independent System Operator, Inc. (MISO)1.8 GWhApr 2022Dec 2024 Solar

Browse Power Plants By Wisconsin Counties

Figures are based on September 2025 generation numbers.
CountyState RankActive PlantsSep 2025 Generation
Manitowoc County, WI# 1710.4 TWh
Milwaukee County, WI# 21110.2 TWh
Rock County, WI# 3158.5 TWh
Ozaukee County, WI# 427.2 TWh
Columbia County, WI# 566.7 TWh
Marathon County, WI# 685.0 TWh
Outagamie County, WI# 7154.2 TWh
Sheboygan County, WI# 852.9 TWh
Jefferson County, WI# 981.2 TWh
Buffalo County, WI# 1031.2 TWh
Dane County, WI# 1126991.8 GWh
Winnebago County, WI# 125748.7 GWh
Grant County, WI# 139729.4 GWh
Wood County, WI# 1410683.1 GWh
Dodge County, WI# 156589.1 GWh
Chippewa County, WI# 1612548.3 GWh
Brown County, WI# 178542.1 GWh
Fond du Lac County, WI# 189527.3 GWh
Iowa County, WI# 193450.5 GWh
Lafayette County, WI# 202387.5 GWh
Racine County, WI# 215296.3 GWh
Kenosha County, WI# 225281.4 GWh
Lincoln County, WI# 235225.7 GWh
Marinette County, WI# 2410193.4 GWh
Waushara County, WI# 251187.4 GWh
Ashland County, WI# 262164.2 GWh
Sauk County, WI# 271143.8 GWh
Rusk County, WI# 286137.5 GWh
Juneau County, WI# 299125.5 GWh
Polk County, WI# 305118.6 GWh
Washington County, WI# 315114.8 GWh
CountyState RankActive PlantsSep 2025 Generation
Portage County, WI# 326109.3 GWh
Adams County, WI# 332108.7 GWh
Richland County, WI# 344105.8 GWh
Dunn County, WI# 35565.9 GWh
La Crosse County, WI# 36264.4 GWh
Florence County, WI# 37356.6 GWh
Eau Claire County, WI# 38242.4 GWh
Oneida County, WI# 39324.8 GWh
Oconto County, WI# 40319.0 GWh
Barron County, WI# 41517.0 GWh
St. Croix County, WI# 42316.7 GWh
Monroe County, WI# 43314.0 GWh
Green Lake County, WI# 44113.6 GWh
Kewaunee County, WI# 45313.4 GWh
Sawyer County, WI# 46413.2 GWh
Price County, WI# 47612.4 GWh
Jackson County, WI# 48412.1 GWh
Washburn County, WI# 49310.1 GWh
Trempealeau County, WI# 5028.6 GWh
Iron County, WI# 5118.0 GWh
Burnett County, WI# 5247.7 GWh
Waukesha County, WI# 5327.0 GWh
Vernon County, WI# 5456.1 GWh
Walworth County, WI# 5534.0 GWh
Clark County, WI# 5613.7 GWh
Pierce County, WI# 5723.0 GWh
Taylor County, WI# 5812.6 GWh
Shawano County, WI# 5911.4 GWh
Langlade County, WI# 601279.0 MWh
Door County, WI# 6119.0 MWh