Checked
Wisconsin Power Plants
Utility-scale generators of 1 megawatt or more in Wisconsin, as of August 2026 (EIA-860M).
- Operating capacity
- 19.7 GW
- Largest plant
- Elm Road Generating Station
- 1.4 GW
- Planned through 2028
- 4.6 GW
- Generation, 2023
- 62.5 TWh
Capacity by fuel
Operating nameplate capacity
- Natural gas8.2 GW 41.6%
- Coal5.0 GW 25.1%
- Solar2.6 GW 12.9%
- Nuclear1.3 GW 6.5%
- Wind826 MW 4.2%
- Petroleum732 MW 3.7%
- Hydroelectric532 MW 2.7%
- Biomass315 MW 1.6%
- Battery storage315 MW 1.6%
Electricity generated, 2023
Net generation by fuel from EPA eGRID. CO2 output rate 1,157 lb/MWh
- Natural gas25.6 TWh 41.0%
- Coal21.1 TWh 33.7%
- Nuclear9.7 TWh 15.5%
- Hydroelectric1.9 TWh 3.1%
- Wind1.7 TWh 2.8%
- Solar1.3 TWh 2.0%
- Biomass1.0 TWh 1.6%
- Other95 GWh 0.2%
- Petroleum91 GWh 0.1%
Largest power plants
Top 150 by operating capacity. See counties below for every plant
Swipe the table sideways to see more columns.
Planned and under construction
Largest planned additions, including expansions of operating plants
Swipe the table sideways to see more columns.
| Plant | Planned | Operating now |
|---|---|---|
| Vista Sands SolarPortage | 1.2 GW | None yet |
| South Oak CreekMilwaukee | 1.2 GW | 642 MW |
| Dawn Break SolarWaushara | 360 MW | None yet |
| Foundry Ridge Energy Center LLCWalworth | 324 MW | None yet |
| Koshkonong Solar Energy Center LLCDane | 300 MW | None yet |
| High Noon Solar Energy LLCColumbia | 300 MW | None yet |
| Portage Solar, LLCPortage | 250 MW | None yet |
| Emerald Bluffs Solar ParkJuneau | 225 MW | None yet |
| Ursa Solar, LLCColumbia | 200 MW | None yet |
| Badger State Solar LLCJefferson | 149 MW | None yet |
| Northern Prairie 1St Croix | 101 MW | None yet |
| Sinnissippi Solar Energy LLCJefferson | 100 MW | None yet |
| EdgewaterSheboygan | 99.0 MW | 414 MW |
| Whitetail Wind FarmGrant | 67.2 MW | None yet |
| Sunnyside Solar Energy CenterDane | 60.0 MW | None yet |
| BjornBarron | 5.0 MW | None yet |
| City of Milwaukee- Airport ExpansionMilwaukee | 4.6 MW | None yet |
| Castle Rock Lake SolarJuneau | 4.5 MW | None yet |
| GilmanChippewa | 3.8 MW | None yet |
| MondoviBuffalo | 3.0 MW | None yet |
| Clark Solar-LongwoodClark | 2.5 MW | None yet |
| FalunBurnett | 2.5 MW | None yet |
| SpoonerWashburn | 2.3 MW | None yet |
| Vienna Walbec Customer HostedDane | 1.4 MW | None yet |
Power plants by county
Operating plants located in each county
- Adams County2
- Ashland County2
- Barron County6
- Brown County5
- Buffalo County2
- Burnett County4
- Chippewa County12
- Clark County1
- Columbia County5
- Dane County24
- Dodge County5
- Door County1
- Douglas County2
- Dunn County5
- Eau Claire County2
- Florence County3
- Fond du Lac County8
- Gogebic County1
- Grant County6
- Green County1
- Green Lake County1
- Iowa County3
- Jackson County3
- Jefferson County8
- Juneau County8
- Kenosha County7
- Kewaunee County1
- La Crosse County3
- Lafayette County2
- Langlade County2
- Lincoln County5
- Manitowoc County6
- Marathon County6
- Marinette County9
- Milwaukee County9
- Monroe County3
- Oconto County3
- Oneida County3
- Outagamie County12
- Ozaukee County1
- Pierce County1
- Polk County7
- Portage County4
- Price County4
- Racine County5
- Richland County4
- Rock County9
- Rusk County6
- Sauk County1
- Sawyer County3
- Shawano County1
- Sheboygan County5
- St. Croix County4
- Taylor County2
- Trempealeau County2
- Vernon County4
- Walworth County5
- Washburn County2
- Washington County4
- Waukesha County3
- Waushara County1
- Winnebago County3
- Wood County7
Capacity is the nameplate rating of generators that are operating or on standby. Solar capacity is in alternating current (AC). Batteries are counted by power (MW), not by stored energy (MWh).
Frequently asked questions
- How much power plant capacity does Wisconsin have?
- Wisconsin has 19.7 GW of operating utility-scale capacity as of August 2026.
- What is the largest power plant in Wisconsin?
- Elm Road Generating Station is the largest at 1.4 GW of coal capacity.
- Where does Wisconsin get its electricity?
- Power plants in Wisconsin generated 62.5 TWh in 2023. The mix is shown above. Power also flows between states, so what plants in a state generate is not the same as what its customers use.
Source: U.S. Energy Information Administration, Form EIA-860M; U.S. EPA eGRID · Data for August 2026