Power plants in Wisconsin

Wisconsin has 271 power plants of 1 MW or more in the 2025 EIA-860 data, with 19.4 GW of nameplate capacity, the 26th-largest total among the 50 states and DC. Natural gas accounts for 41% of that capacity. The biggest single site is Elm Road Generating Station at 1,403 MW. Units that came online from 2020 to 2025 add 3,789 MW, led by solar at 66%. Units retired since 2016 at plants still operating total 1,715 MW, most of it coal.

Natural gas7,966 MW41%
Coal4,950 MW25%
Solar2,540 MW13%
Nuclear1,286 MW6.6%
Wind826 MW4.3%
Oil and petroleum732 MW3.8%
Hydroelectric532 MW2.7%
Biomass and waste315 MW1.6%
Battery storage294 MW1.5%

What is running, by the decade it came online

NuclearCoalNatural gasOil and petroleumHydroelectricWindSolarBattery storageBiomass and waste

Columns above the line show capacity still operating in 2025, stacked by fuel. Below the line: capacity retired in each decade at plants that still operate.

The 25 largest plants

Rank	Plant	Runs on	Capacity	First unit	Operator
1	Elm Road Generating Station	Coal	1,403 MW	2010	Wisconsin Electric Power Co
2	Point Beach Nuclear Plant	Nuclear	1,311 MW	1969	NextEra Energy Point Beach LLC
3	Port Washington Generating Station	Natural gas	1,230 MW	2005	Wisconsin Electric Power Co
4	Columbia (WI)	Coal	1,112 MW	1975	Wisconsin Power & Light Co
5	Weston	Coal	946 MW	1981	Wisconsin Public Service Corp
6	West Riverside Energy Center	Natural gas	728 MW	2020	Wisconsin Power & Light Co
7	Riverside Energy Center	Natural gas	675 MW	2004	Wisconsin Power & Light Co
8	South Oak Creek	Coal	642 MW	1965	Wisconsin Electric Power Co
9	Fox Energy Center	Natural gas	619 MW	2005	Wisconsin Public Service Corp
10	RockGen Energy Center	Natural gas	561 MW	2001	Dairyland Power Coop
11	Edgewater	Coal	414 MW	1985	Wisconsin Power & Light Co
12	Germantown	Oil and petroleum	391 MW	1978	Wisconsin Electric Power Co
13	John P Madgett	Coal	387 MW	1979	Dairyland Power Coop
14	Concord	Natural gas	382 MW	1993	Wisconsin Electric Power Co
15	Paris (WI)	Natural gas	382 MW	1995	Wisconsin Electric Power Co
16	South Fond Du Lac	Natural gas	382 MW	1993	Wisconsin Power & Light Co
17	Alliant Energy Neenah	Natural gas	371 MW	2000	Wisconsin Power & Light Co
18	Sheboygan Falls	Natural gas	347 MW	2005	Wisconsin Power & Light Co
19	Paris Solar	Solar	310 MW	2024	Wisconsin Electric Power Co
20	Grant County	Solar	300 MW	2024	Wisconsin Power & Light Co
21	Whitewater Generating Station	Natural gas	284 MW	1997	Wisconsin Electric Power Co
22	Valley (WI)	Natural gas	275 MW	1968	Wisconsin Electric Power Co
23	Darien Solar	Solar	250 MW	2025	Wisconsin Electric Power Co
24	Wood County	Solar	225 MW	2022	Wisconsin Power & Light Co
25	De Pere Energy Center	Natural gas	192 MW	1999	Wisconsin Public Service Corp

All 271 plants in the finder

Largest plant for each main fuel

Main fuel	Plants	Capacity	Largest plant	Its capacity
Natural gas	38	7,879 MW	Port Washington Generating Station	1,230 MW
Coal	7	4,964 MW	Elm Road Generating Station	1,403 MW
Solar	111	2,816 MW	Paris Solar	310 MW
Nuclear	1	1,311 MW	Point Beach Nuclear Plant	1,311 MW
Wind	12	823 MW	Glacier Hills	162 MW
Oil and petroleum	21	896 MW	Germantown	391 MW
Hydroelectric	60	519 MW	Jim Falls	59.8 MW
Biomass and waste	19	224 MW	Rothschild Biomass Cogen Facility	57.5 MW
Battery storage	2	8.6 MW	Portage Industrial Battery	5 MW

Balancing areas

Area	Plants	Capacity
MISO (Midcontinent)	271	19.4 GW

Biggest operators here

Operator	Plants	Capacity
Wisconsin Electric Power Co	43	6,221 MW
Wisconsin Power & Light Co	29	5,421 MW
Wisconsin Public Service Corp	23	2,756 MW
NextEra Energy Point Beach LLC	1	1,311 MW
Dairyland Power Coop	4	1,038 MW
Madison Gas & Electric Co	14	591 MW
Northern States Power Co - Minnesota	19	540 MW
Manitowoc Public Utilities	2	142 MW
Geronimo Power	1	100 MW
Point Beach Solar	1	100 MW