Directory of Power Plants in Wisconsin
| County | State Rank | Active Plants | May 2026 Generation |
| Manitowoc County, WI | # 1 | 7 | 10.6 TWh |
| Milwaukee County, WI | # 2 | 11 | 9.9 TWh |
| Rock County, WI | # 3 | 15 | 8.5 TWh |
| Ozaukee County, WI | # 4 | 2 | 6.9 TWh |
| Columbia County, WI | # 5 | 7 | 5.9 TWh |
| Outagamie County, WI | # 6 | 15 | 4.8 TWh |
| Marathon County, WI | # 7 | 8 | 4.5 TWh |
| Sheboygan County, WI | # 8 | 5 | 2.6 TWh |
| Dane County, WI | # 9 | 30 | 1.1 TWh |
| Buffalo County, WI | # 10 | 4 | 1.1 TWh |
| Jefferson County, WI | # 11 | 10 | 820.6 GWh |
| Grant County, WI | # 12 | 9 | 737.5 GWh |
| Wood County, WI | # 13 | 10 | 660.1 GWh |
| Brown County, WI | # 14 | 8 | 579.7 GWh |
| Dodge County, WI | # 15 | 6 | 570.3 GWh |
| Fond du Lac County, WI | # 16 | 9 | 547.4 GWh |
| Winnebago County, WI | # 17 | 6 | 486.0 GWh |
| Iowa County, WI | # 18 | 3 | 464.8 GWh |
| Chippewa County, WI | # 19 | 14 | 457.4 GWh |
| Lafayette County, WI | # 20 | 2 | 371.6 GWh |
| Racine County, WI | # 21 | 6 | 353.1 GWh |
| Marinette County, WI | # 22 | 10 | 291.2 GWh |
| Kenosha County, WI | # 23 | 7 | 275.0 GWh |
| Lincoln County, WI | # 24 | 5 | 220.5 GWh |
| Waushara County, WI | # 25 | 2 | 189.7 GWh |
| Ashland County, WI | # 26 | 2 | 179.7 GWh |
| Polk County, WI | # 27 | 7 | 176.8 GWh |
| Sauk County, WI | # 28 | 1 | 152.9 GWh |
| Rusk County, WI | # 29 | 6 | 126.2 GWh |
| Washington County, WI | # 30 | 5 | 117.6 GWh |
| Juneau County, WI | # 31 | 11 | 112.7 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
| Richland County, WI | # 32 | 4 | 107.5 GWh |
| Adams County, WI | # 33 | 2 | 98.8 GWh |
| Portage County, WI | # 34 | 7 | 92.9 GWh |
| La Crosse County, WI | # 35 | 3 | 69.1 GWh |
| Dunn County, WI | # 36 | 5 | 60.8 GWh |
| Florence County, WI | # 37 | 3 | 60.5 GWh |
| Eau Claire County, WI | # 38 | 3 | 37.1 GWh |
| Oneida County, WI | # 39 | 3 | 27.1 GWh |
| Walworth County, WI | # 40 | 5 | 24.1 GWh |
| Oconto County, WI | # 41 | 3 | 23.3 GWh |
| Langlade County, WI | # 42 | 2 | 17.9 GWh |
| St. Croix County, WI | # 43 | 5 | 17.8 GWh |
| Barron County, WI | # 44 | 7 | 17.0 GWh |
| Price County, WI | # 45 | 6 | 14.0 GWh |
| Jackson County, WI | # 46 | 4 | 12.8 GWh |
| Monroe County, WI | # 47 | 3 | 12.8 GWh |
| Sawyer County, WI | # 48 | 4 | 12.7 GWh |
| Kewaunee County, WI | # 49 | 3 | 12.0 GWh |
| Shawano County, WI | # 50 | 1 | 12.0 GWh |
| Green Lake County, WI | # 51 | 1 | 11.6 GWh |
| Iron County, WI | # 52 | 1 | 9.1 GWh |
| Washburn County, WI | # 53 | 4 | 8.8 GWh |
| Trempealeau County, WI | # 54 | 2 | 7.4 GWh |
| Burnett County, WI | # 55 | 6 | 7.2 GWh |
| Waukesha County, WI | # 56 | 2 | 6.3 GWh |
| Vernon County, WI | # 57 | 5 | 6.3 GWh |
| Clark County, WI | # 58 | 2 | 3.7 GWh |
| Pierce County, WI | # 59 | 2 | 3.4 GWh |
| Taylor County, WI | # 60 | 2 | 3.2 GWh |
| Door County, WI | # 61 | 1 | 5.0 MWh |