GridPlants

Power plants operated by Wisconsin Public Service Corp

Wisconsin Public Service Corp operates 25 power plants in the 2025 EIA-860 data, with 2,862 MW of nameplate capacity, the 81st-largest fleet among the 5,826 operators on file. They are spread over three states: Wisconsin, Iowa and Michigan. Natural gas is 43% of the capacity; the largest site is Weston. Its oldest working unit dates from 1910, at High Falls (WI). Units added from 2020 to 2025 total 537 MW.

  • Natural gas1,221 MW43%
  • Coal946 MW33%
  • Wind320 MW11%
  • Solar314 MW11%
  • Hydroelectric62.8 MW2.2%

Capacity by decade it came online

CoalNatural gasHydroelectricWindSolar

Above the line: capacity operating in 2025. Below: capacity retired at these plants.

500 MW1 GW1.5 GW1910s1920s1930s1940s1950s1960s1970s1980s1990s2000s2010s2020s0

Plants

PlantStateRuns onCapacityFirst unit
WestonWisconsinCoal946 MW1981
Fox Energy CenterWisconsinNatural gas619 MW2005
De Pere Energy CenterWisconsinNatural gas192 MW1999
West MarinetteWisconsinNatural gas187 MW1971
Badger Hollow IWisconsinSolar150 MW2021
Two Creeks SolarWisconsinSolar150 MW2020
Weston RICEWisconsinNatural gas132 MW2023
Forward Wind Energy CenterWisconsinWind129 MW2008
Crane Creek Wind Energy CenterIowaWind99 MW2009
Red Barn EnergyWisconsinWind91.6 MW2023
PulliamWisconsinNatural gas91 MW2003
Grandfather FallsWisconsinHydroelectric17.2 MW1938
Grand RapidsMichiganHydroelectric7.5 MW1918
Hodag SolarWisconsinSolar7.5 MW2022
High Falls (WI)WisconsinHydroelectric7 MW1910
Caldron FallsWisconsinHydroelectric6.4 MW1924
Antigo-Forrest Street Solar ProjectWisconsinSolar6 MW2024
WausauWisconsinHydroelectric5.4 MW1921
AlexanderWisconsinHydroelectric4.2 MW1925
Sandstone RapidsWisconsinHydroelectric3.8 MW1925
Johnson FallsWisconsinHydroelectric3.4 MW1923
TomahawkWisconsinHydroelectric2.6 MW1938
MerrillWisconsinHydroelectric2.3 MW1917
Hat RapidsWisconsinHydroelectric1.7 MW1923
Potato RapidsWisconsinHydroelectric1.3 MW1921