Directory of Power Plants in Wisconsin
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Cedar Ridge | Wisconsin Power & Light Co | Eden, WI | Midcontinent Independent System Operator, Inc. (MISO) | 174.6 GWh | Nov 2008 | Dec 2024 | Wind |
| Concord | Wisconsin Electric Power Co | Watertown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 175.2 GWh | Jun 1993 | Dec 2024 | Natural Gas : 99.8% |
| Georgia-Pacific Corp - Nekoosa Mill | Domtar Industries Inc | Nekoosa, WI | Midcontinent Independent System Operator, Inc. (MISO) | 184.3 GWh | Dec 1911 | Oct 2025 | Black Liquor : 43.1% Natural Gas : 42.3% Water : 14.6% |
| Wautoma Solar | Wisconsin Power & Light Co | Wautoma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 184.5 GWh | Nov 2023 | Oct 2025 | Solar |
| Manitowoc | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 190.6 GWh | May 1955 | Oct 2025 | Wood/Wood Waste Solids : 91.6% Petroleum Coke : 4.6% Bituminous Coal : 3.4% |
| Two Creeks Solar | Wisconsin Public Service Corp | Two Rivers, WI | Midcontinent Independent System Operator, Inc. (MISO) | 191.4 GWh | Oct 2020 | Oct 2025 | Solar |
| Badger Hollow I | Wisconsin Public Service Corp | Montfort, WI | Midcontinent Independent System Operator, Inc. (MISO) | 191.6 GWh | Oct 2021 | Oct 2025 | Solar |
| Badger Hollow II | Wisconsin Electric Power Co | Cobb, WI | Midcontinent Independent System Operator, Inc. (MISO) | 197.7 GWh | Nov 2023 | Oct 2025 | Solar |
| Springfield Solar (WI) | Wisconsin Power & Light Co | Lomira, WI | Midcontinent Independent System Operator, Inc. (MISO) | 199.1 GWh | Nov 2023 | Oct 2025 | Solar |
| Point Beach Solar | Point Beach Solar | Two Creeks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 201.6 GWh | Aug 2021 | Oct 2025 | Solar |
| Consumer Operations LLC | Georgia-Pacific Consumer Oper. Green Bay LLC | Green Bay, WI | Midcontinent Independent System Operator, Inc. (MISO) | 224.5 GWh | Dec 1953 | Oct 2025 | Natural Gas |
| Paris (WI) | Wisconsin Electric Power Co | Union Grove, WI | Midcontinent Independent System Operator, Inc. (MISO) | 227.4 GWh | Feb 1995 | Dec 2024 | Natural Gas |
| Red Barn Energy | Wisconsin Public Service Corp | Montfort, WI | Midcontinent Independent System Operator, Inc. (MISO) | 247.3 GWh | Mar 2023 | Oct 2025 | Wind |
| Onion River | Wisconsin Power & Light Co | Sheboygan Cedar Grove, WI | Midcontinent Independent System Operator, Inc. (MISO) | 251.3 GWh | Nov 2023 | Oct 2025 | Solar |
| Wood County | Wisconsin Power & Light Co | Nekoosa, WI | Midcontinent Independent System Operator, Inc. (MISO) | 276.2 GWh | Nov 2022 | Oct 2025 | Solar |
| Paris Solar | Wisconsin Electric Power Co | Union Grove, WI | Midcontinent Independent System Operator, Inc. (MISO) | 279.0 GWh | Nov 2024 | Oct 2025 | Solar |
| West Campus Cogeneration Facility | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 282.0 GWh | Mar 2005 | Dec 2024 | Natural Gas : 99.8% |
| Darien Solar | Wisconsin Electric Power Co | Darien, WI | Midcontinent Independent System Operator, Inc. (MISO) | 291.7 GWh | - | Oct 2025 | Solar |
| Combined Locks Energy Center | McKinley Paper | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 310.4 GWh | Apr 2002 | Dec 2024 | Natural Gas |
| Blue Sky Green Field Wind Project | Wisconsin Electric Power Co | Fond du Lac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 331.9 GWh | Apr 2008 | Oct 2025 | Wind |
| Valley (WI) | Wisconsin Electric Power Co | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 357.0 GWh | May 1968 | Oct 2025 | Natural Gas |
| Glacier Hills | Wisconsin Electric Power Co | Cambria, WI | Midcontinent Independent System Operator, Inc. (MISO) | 360.6 GWh | Nov 2011 | Oct 2025 | Wind |
| Grant County | Wisconsin Power & Light Co | Town of Potosi, WI | Midcontinent Independent System Operator, Inc. (MISO) | 369.0 GWh | Apr 2024 | Oct 2025 | Solar |
| Quilt Block Wind Farm LLC | Quilt Block Wind Farm LLC | Darlington, WI | Midcontinent Independent System Operator, Inc. (MISO) | 382.0 GWh | Aug 2017 | Oct 2025 | Wind |
| RockGen Energy Center | Dairyland Power Coop | Cambridge, WI | Midcontinent Independent System Operator, Inc. (MISO) | 500.3 GWh | May 2001 | Oct 2025 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Sheboygan Falls | Wisconsin Power & Light Co | Sheboygan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 642.5 GWh | May 2005 | Dec 2024 | Natural Gas |
| Alliant Energy Neenah | Wisconsin Power & Light Co | Neenah, WI | Midcontinent Independent System Operator, Inc. (MISO) | 739.9 GWh | Apr 2000 | Dec 2024 | Natural Gas |
| Whitewater Generating Station | Wisconsin Electric Power Co | Whitewater, WI | Midcontinent Independent System Operator, Inc. (MISO) | 863.1 GWh | Aug 1997 | Sep 2025 | Natural Gas |
| John P Madgett | Dairyland Power Coop | Alma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 TWh | Oct 1979 | Oct 2025 | Subbituminous Coal : 99.8% |
| Edgewater | Wisconsin Power & Light Co | Sheboygan, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 TWh | Jun 1951 | Oct 2025 | Subbituminous Coal : 99.9% |
| South Oak Creek | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 TWh | Nov 1959 | Oct 2025 | Subbituminous Coal : 99.7% |
| Riverside Energy Center | Wisconsin Power & Light Co | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 TWh | May 2004 | Oct 2025 | Natural Gas |
| Fox Energy Center | Wisconsin Public Service Corp | Wrightstown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 TWh | May 2005 | Oct 2025 | Natural Gas |
| West Riverside Energy Center | Wisconsin Power & Light Co | Beloit, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 TWh | Apr 2020 | Oct 2025 | Natural Gas : 99.9% |
| Weston | Wisconsin Public Service Corp | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.6 TWh | Nov 1954 | Oct 2025 | Subbituminous Coal : 99.4% Natural Gas : 0.6% |
| Columbia (WI) | Wisconsin Power & Light Co | Pardeville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.3 TWh | Apr 1975 | Oct 2025 | Subbituminous Coal : 99.9% |
| Port Washington Generating Station | Wisconsin Electric Power Co | Port Washington, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.2 TWh | Jun 2005 | Oct 2025 | Natural Gas |
| Elm Road Generating Station | Wisconsin Electric Power Co | Oak Creek, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.4 TWh | Jan 2010 | Oct 2025 | Subbituminous Coal : 79.4% Bituminous Coal : 17.5% Natural Gas : 3.1% |
| Point Beach Nuclear Plant | NextEra Energy Point Beach LLC | Two Rivers, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.1 TWh | May 1969 | Oct 2025 | Nuclear |