Directory of Power Plants in Wisconsin
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mosinee Mill | Ahlstrom-Munksjo NA Specialty Solutions, LLC | Mosinee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 124.1 GWh | Jun 1916 | Mar 2025 | Black Liquor : 42.8% Bituminous Coal : 30.6% Water : 17.4% Wood/Wood Waste Solids : 4.6% Natural Gas : 1.8% Sludge Waste : 1.7% Residual Fuel Oil : 1.1% |
| Prairie Du Sac | Wisconsin Power & Light Co | Prairie du Sac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 131.0 GWh | Sep 1915 | 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 |
| Port Edwards Mill | Domtar Industries Inc | Port Edwards, WI | Midcontinent Independent System Operator, Inc. (MISO) | 40.6 GWh | Dec 1912 | Mar 2025 | Water |
| Georgia-Pacific Corp - Nekoosa Mill | Domtar Industries Inc | Nekoosa, WI | Midcontinent Independent System Operator, Inc. (MISO) | 195.3 GWh | Dec 1911 | Mar 2025 | Black Liquor : 43.5% Natural Gas : 42.5% Water : 14.0% |
| High Falls (WI) | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.0 GWh | Jul 1910 | Dec 2023 | Water |
| Cedar Falls (WI) | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 33.1 GWh | Dec 1909 | Dec 2023 | Water |
| 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 |
| Domtar Paper Company Rothschild | Domtar Paper Company Rothschild | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Dec 1909 | Dec 2023 | Water |
| White River (WI) | Northern States Power Co - Minnesota | Ashland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 GWh | Dec 1906 | Dec 2023 | Water |
| Wisconsin Rapids | Consolidated Water Power Co | Wisconsin Rapids, WI | Midcontinent Independent System Operator, Inc. (MISO) | 41.3 GWh | Dec 1902 | Dec 2023 | Water |
| Apple River | Northern States Power Co - Minnesota | Somerset, WI | Midcontinent Independent System Operator, Inc. (MISO) | 11.2 GWh | Dec 1900 | Dec 2023 | Water |
| Little Quinnesec Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Niagara, WI | Midcontinent Independent System Operator, Inc. (MISO) | 58.9 GWh | Nov 1900 | Dec 2023 | Water |
| Biron | Consolidated Water Power Co | Biron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.3 GWh | Dec 1895 | Dec 2023 | Water |
| Whiting | Consolidated Water Power Co | Whiting, WI | Midcontinent Independent System Operator, Inc. (MISO) | 21.2 GWh | Dec 1890 | Dec 2023 | Water |
| Darien Solar | Wisconsin Electric Power Co | Darien, WI | Midcontinent Independent System Operator, Inc. (MISO) | 29.7 GWh | - | Mar 2025 | Solar |
| Grant County | Wisconsin Power & Light Co | Town of Potosi, WI | Midcontinent Independent System Operator, Inc. (MISO) | 270.6 GWh | - | Mar 2025 | Solar |
| Paris Solar | Wisconsin Electric Power Co | Union Grove, WI | Midcontinent Independent System Operator, Inc. (MISO) | 59.7 GWh | - | Mar 2025 | Solar |
Browse Power Plants By Wisconsin Counties
Figures are based on December 2023 generation numbers.| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Door County, WI | # 56 | 1 | 9.0 MWh |
| Taylor County, WI | # 55 | 1 | 2.7 GWh |
| Vernon County, WI | # 54 | 5 | 3.4 GWh |
| Waukesha County, WI | # 53 | 2 | 6.1 GWh |
| Burnett County, WI | # 52 | 4 | 7.5 GWh |
| Trempealeau County, WI | # 51 | 2 | 8.1 GWh |
| Iron County, WI | # 50 | 1 | 9.1 GWh |
| Price County, WI | # 49 | 7 | 10.7 GWh |
| Washburn County, WI | # 48 | 3 | 10.8 GWh |
| Green Lake County, WI | # 47 | 1 | 11.1 GWh |
| Oconto County, WI | # 46 | 3 | 13.0 GWh |
| Monroe County, WI | # 45 | 3 | 13.0 GWh |
| Sawyer County, WI | # 44 | 4 | 13.8 GWh |
| Jackson County, WI | # 43 | 4 | 13.9 GWh |
| Kewaunee County, WI | # 42 | 3 | 15.0 GWh |
| St. Croix County, WI | # 41 | 3 | 15.0 GWh |
| Barron County, WI | # 40 | 5 | 17.0 GWh |
| Oneida County, WI | # 39 | 3 | 24.4 GWh |
| Eau Claire County, WI | # 38 | 2 | 43.1 GWh |
| Dunn County, WI | # 37 | 5 | 58.9 GWh |
| Florence County, WI | # 36 | 3 | 65.9 GWh |
| La Crosse County, WI | # 35 | 2 | 66.3 GWh |
| Adams County, WI | # 34 | 2 | 75.6 GWh |
| Polk County, WI | # 33 | 5 | 90.8 GWh |
| Portage County, WI | # 32 | 6 | 92.0 GWh |
| Racine County, WI | # 31 | 5 | 100.5 GWh |
| Washington County, WI | # 30 | 6 | 101.2 GWh |
| Richland County, WI | # 29 | 4 | 103.7 GWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Juneau County, WI | # 28 | 9 | 104.3 GWh |
| Rusk County, WI | # 27 | 6 | 124.9 GWh |
| Sauk County, WI | # 26 | 1 | 131.0 GWh |
| Ashland County, WI | # 25 | 2 | 159.9 GWh |
| Waushara County, WI | # 24 | 1 | 188.1 GWh |
| Kenosha County, WI | # 23 | 5 | 204.5 GWh |
| Lincoln County, WI | # 22 | 5 | 223.0 GWh |
| Marinette County, WI | # 21 | 10 | 296.6 GWh |
| Lafayette County, WI | # 20 | 2 | 406.5 GWh |
| Iowa County, WI | # 19 | 3 | 460.0 GWh |
| Brown County, WI | # 18 | 8 | 517.3 GWh |
| Fond du Lac County, WI | # 17 | 9 | 531.1 GWh |
| Chippewa County, WI | # 16 | 11 | 553.0 GWh |
| Dodge County, WI | # 15 | 6 | 587.7 GWh |
| Winnebago County, WI | # 14 | 5 | 621.5 GWh |
| Grant County, WI | # 13 | 9 | 647.0 GWh |
| Wood County, WI | # 12 | 10 | 772.8 GWh |
| Dane County, WI | # 11 | 23 | 874.3 GWh |
| Buffalo County, WI | # 10 | 3 | 949.7 GWh |
| Jefferson County, WI | # 9 | 7 | 1.2 TWh |
| Sheboygan County, WI | # 8 | 5 | 2.9 TWh |
| Marathon County, WI | # 7 | 8 | 4.7 TWh |
| Outagamie County, WI | # 6 | 15 | 4.8 TWh |
| Columbia County, WI | # 5 | 6 | 5.6 TWh |
| Ozaukee County, WI | # 4 | 1 | 6.8 TWh |
| Rock County, WI | # 3 | 15 | 8.3 TWh |
| Manitowoc County, WI | # 2 | 7 | 10.5 TWh |
| Milwaukee County, WI | # 1 | 11 | 11.0 TWh |