Directory of Power Plants in Wisconsin
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| St Croix Falls | Northern States Power Co - Minnesota | St Croix Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 83.1 GWh | Dec 1909 | Dec 2023 | Water |
| Saxon Falls | Northern States Power Co - Minnesota | Saxon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Dec 1912 | Dec 2023 | Water |
| Stevens Point | Consolidated Water Power Co | Stevens Point, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.1 GWh | Dec 1917 | Dec 2023 | Water |
| Sandstone Rapids | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Dec 1924 | Dec 2023 | Water |
| Stiles | Oconto Electric Cooperative | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.4 GWh | Feb 1949 | Dec 2023 | Water |
| South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 TWh | Nov 1959 | Sep 2024 | Subbituminous Coal : 99.3% Natural Gas : 0.7% |
| Sycamore (WI) | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 229.0 MWh | Nov 1967 | Dec 2023 | Natural Gas |
| South Fond Du Lac | Wisconsin Power & Light Co | Fond du Lac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 14.5 GWh | Apr 1993 | Dec 2023 | Natural Gas : 99.8% |
| Stevens Point Mill | Pixelle Specialty Solution, LLC | Stevens Point, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | Jan 2002 | Dec 2023 | Natural Gas |
| Sheboygan Falls | Wisconsin Power & Light Co | Sheboygan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 546.5 GWh | May 2005 | Dec 2023 | Natural Gas |
| Shirley Wind | Duke Energy Renewables Services | Denmark, WI | Midcontinent Independent System Operator, Inc. (MISO) | 53.5 GWh | Oct 2010 | Dec 2023 | Wind |
| Sauk DPC Solar | SoCore Energy LLC | Wonewoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | Dec 2016 | Dec 2023 | Solar |
| Sand Lake DPC Solar | SoCore Energy LLC | Centuria, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.4 GWh | Oct 2017 | Dec 2023 | Solar |
| Spooner Solar Array | AEP Onsite Partners, LLC | Spooner, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 GWh | May 2019 | Dec 2023 | Solar |
| Strobus | Greenbacker Renewable Energy Corporation | Merrillan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Aug 2021 | Dec 2023 | Solar |
| Shamrock Solar LLC | Greenbacker Renewable Energy Corporation | Black River Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Nov 2021 | Dec 2023 | Solar |
| Stromland Solar | Greenbacker Renewable Energy Corporation | Cochrane, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.2 GWh | Nov 2021 | Dec 2023 | Solar |
| Springfield Solar (WI) | Wisconsin Power & Light Co | Lomira, WI | Midcontinent Independent System Operator, Inc. (MISO) | 158.1 GWh | Nov 2023 | Sep 2024 | Solar |
Browse Power Plants By Wisconsin Counties
Figures are based on September 2024 generation numbers.| County | State Rank | Active Plants | Sep 2024 Generation |
|---|---|---|---|
| Manitowoc County, WI | # 1 | 7 | 10.7 TWh |
| Milwaukee County, WI | # 2 | 11 | 10.2 TWh |
| Rock County, WI | # 3 | 15 | 8.5 TWh |
| Ozaukee County, WI | # 4 | 1 | 7.9 TWh |
| Outagamie County, WI | # 5 | 15 | 5.2 TWh |
| Columbia County, WI | # 6 | 6 | 4.6 TWh |
| Marathon County, WI | # 7 | 8 | 4.4 TWh |
| Sheboygan County, WI | # 8 | 5 | 2.7 TWh |
| Jefferson County, WI | # 9 | 7 | 1.1 TWh |
| Buffalo County, WI | # 10 | 3 | 1.0 TWh |
| Dane County, WI | # 11 | 23 | 835.0 GWh |
| Wood County, WI | # 12 | 10 | 746.4 GWh |
| Winnebago County, WI | # 13 | 5 | 621.5 GWh |
| Chippewa County, WI | # 14 | 11 | 553.2 GWh |
| Brown County, WI | # 15 | 8 | 521.6 GWh |
| Dodge County, WI | # 16 | 6 | 514.1 GWh |
| Fond du Lac County, WI | # 17 | 9 | 495.2 GWh |
| Grant County, WI | # 18 | 9 | 488.8 GWh |
| Iowa County, WI | # 19 | 3 | 430.9 GWh |
| Lafayette County, WI | # 20 | 2 | 387.6 GWh |
| Marinette County, WI | # 21 | 10 | 296.6 GWh |
| Lincoln County, WI | # 22 | 5 | 223.0 GWh |
| Kenosha County, WI | # 23 | 5 | 204.5 GWh |
| Ashland County, WI | # 24 | 2 | 159.9 GWh |
| Waushara County, WI | # 25 | 1 | 151.5 GWh |
| Sauk County, WI | # 26 | 1 | 131.0 GWh |
| Rusk County, WI | # 27 | 6 | 124.9 GWh |
| Washington County, WI | # 28 | 6 | 105.8 GWh |
| County | State Rank | Active Plants | Sep 2024 Generation |
|---|---|---|---|
| Juneau County, WI | # 29 | 9 | 104.2 GWh |
| Richland County, WI | # 30 | 4 | 100.6 GWh |
| Portage County, WI | # 31 | 6 | 92.0 GWh |
| Polk County, WI | # 32 | 5 | 90.8 GWh |
| Adams County, WI | # 33 | 2 | 75.6 GWh |
| Florence County, WI | # 34 | 3 | 65.9 GWh |
| La Crosse County, WI | # 35 | 2 | 64.5 GWh |
| Dunn County, WI | # 36 | 5 | 58.9 GWh |
| Racine County, WI | # 37 | 5 | 47.8 GWh |
| Eau Claire County, WI | # 38 | 2 | 43.1 GWh |
| Oneida County, WI | # 39 | 3 | 23.3 GWh |
| Barron County, WI | # 40 | 5 | 17.0 GWh |
| St. Croix County, WI | # 41 | 3 | 15.0 GWh |
| Kewaunee County, WI | # 42 | 3 | 15.0 GWh |
| Jackson County, WI | # 43 | 4 | 13.9 GWh |
| Sawyer County, WI | # 44 | 4 | 13.8 GWh |
| Monroe County, WI | # 45 | 3 | 13.0 GWh |
| Oconto County, WI | # 46 | 3 | 13.0 GWh |
| Green Lake County, WI | # 47 | 1 | 11.1 GWh |
| Washburn County, WI | # 48 | 3 | 10.8 GWh |
| Price County, WI | # 49 | 7 | 10.7 GWh |
| Iron County, WI | # 50 | 1 | 9.1 GWh |
| Trempealeau County, WI | # 51 | 2 | 8.1 GWh |
| Burnett County, WI | # 52 | 4 | 7.5 GWh |
| Waukesha County, WI | # 53 | 2 | 6.1 GWh |
| Taylor County, WI | # 54 | 1 | 3.4 GWh |
| Vernon County, WI | # 55 | 5 | 3.4 GWh |
| Door County, WI | # 56 | 1 | 9.0 MWh |