Owner profile

Wisconsin Power & Light Co

Part of Alliant Energy →

Wisconsin Power & Light Co owns or operates 36 generating facilities commissioned between 1915 and 2024, with a combined nameplate capacity of 6.24 GW. The largest share of capacity is natural gas (47%), spread across 3 states.

Ownership reflects the utility or operator reported to EIA (Form EIA-860); equity ownership of individual facilities may differ.

36
Plants
6.24 GW
Total capacity
3
States
1.11 GW
Largest: Columbia (WI)

Capacity mix

Natural Gas 46.7%Coal 28.1%Solar 17.6%Wind 6.8%Hydroelectric 0.7%Storage 0.1%

By state

Iowa1 · 152.2 MWMinnesota1 · 201.3 MWWisconsin34 · 5.88 GW

Operating plants

PlantFuelStateOwnerCapacity
Columbia (WI)CoalWisconsinWisconsin Power & Light Co1.11 GW
West Riverside Energy CenterNatural GasWisconsinWisconsin Power & Light Co727.6 MW
Riverside Energy CenterNatural GasWisconsinWisconsin Power & Light Co674.9 MW
EdgewaterCoalWisconsinWisconsin Power & Light Co413.7 MW
South Fond Du LacNatural GasWisconsinWisconsin Power & Light Co381.6 MW
Alliant Energy NeenahNatural GasWisconsinWisconsin Power & Light Co371 MW
Sheboygan FallsNatural GasWisconsinWisconsin Power & Light Co346.8 MW
Bent Tree Wind Farm Phase 1WindMinnesotaWisconsin Power & Light Co201.3 MW
Grant CountySolarWisconsinWisconsin Power & Light Co200 MW
KossuthWindIowaWisconsin Power & Light Co152.2 MW
Onion RiverSolarWisconsinWisconsin Power & Light Co150 MW
Wood CountySolarWisconsinWisconsin Power & Light Co150 MW
Springfield Solar (WI)SolarWisconsinWisconsin Power & Light Co100 MW
Wautoma SolarSolarWisconsinWisconsin Power & Light Co99 MW
Crawfish RiverSolarWisconsinWisconsin Power & Light Co75 MW
Cedar RidgeWindWisconsinWisconsin Power & Light Co67.7 MW
Paddock SolarSolarWisconsinWisconsin Power & Light Co65 MW
Albany Solar (WI)SolarWisconsinWisconsin Power & Light Co50 MW
Bear Creek (WI)SolarWisconsinWisconsin Power & Light Co50 MW
Beaver Dam SolarSolarWisconsinWisconsin Power & Light Co50 MW
Cassville SolarSolarWisconsinWisconsin Power & Light Co50 MW
North RockSolarWisconsinWisconsin Power & Light Co50 MW
Prairie Du SacHydroelectricWisconsinWisconsin Power & Light Co33.4 MW
KilbournHydroelectricWisconsinWisconsin Power & Light Co9.7 MW
Portage Industrial BatteryStorageWisconsinWisconsin Power & Light Co5 MW
Boaz Microgrid BatteryStorageWisconsinWisconsin Power & Light Co3.6 MW
Kohler SolarSolarWisconsinWisconsin Power & Light Co2.3 MW
City of Sheboygan SolarSolarWisconsinWisconsin Power & Light Co0.9 MW
Retired plants (4)
PlantFuelStateOwnerCapacity
Rock Riverretired 2020Natural GasWisconsinWisconsin Power & Light Co318.9 MW
Nelson Dewey Generating Stationretired 2015CoalWisconsinWisconsin Power & Light Co227.2 MW
Blackhawkretired 2010Natural GasWisconsinWisconsin Power & Light Co50 MW
Sheepskinretired 2020Natural GasWisconsinWisconsin Power & Light Co41.7 MW
Under construction (4)
PlantFuelStateOwnerCapacity
Janesville Community Solarconstr.SolarWisconsinWisconsin Power & Light Co2.3 MW
UW Kegonsa Customer Hosted Solarconstr.SolarWisconsinWisconsin Power & Light Co2.3 MW
Nortera Customer Hosted Solarconstr.SolarWisconsinWisconsin Power & Light Co1.6 MW
Rock County Customer Hosted Solarconstr.SolarWisconsinWisconsin Power & Light Co1.4 MW