| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|
| #1 | Manitowoc County, WI | 10.7 TWh | 7 |
| #2 | Milwaukee County, WI | 10.2 TWh | 11 |
| #3 | Rock County, WI | 8.5 TWh | 15 |
| #4 | Ozaukee County, WI | 7.9 TWh | 1 |
| #5 | Outagamie County, WI | 5.2 TWh | 15 |
| #6 | Columbia County, WI | 4.6 TWh | 6 |
| #7 | Marathon County, WI | 4.4 TWh | 8 |
| #8 | Sheboygan County, WI | 2.7 TWh | 5 |
| #9 | Jefferson County, WI | 1.1 TWh | 7 |
| #10 | Buffalo County, WI | 1.0 TWh | 3 |
| #11 | Dane County, WI | 835.0 GWh | 23 |
| #12 | Wood County, WI | 746.4 GWh | 10 |
| #13 | Winnebago County, WI | 621.5 GWh | 5 |
| #14 | Chippewa County, WI | 553.2 GWh | 11 |
| #15 | Brown County, WI | 521.6 GWh | 8 |
| #16 | Dodge County, WI | 514.1 GWh | 6 |
| #17 | Fond du Lac County, WI | 495.2 GWh | 9 |
| #18 | Grant County, WI | 488.8 GWh | 9 |
| #19 | Iowa County, WI | 430.9 GWh | 3 |
| #20 | Lafayette County, WI | 387.6 GWh | 2 |
| #21 | Marinette County, WI | 296.6 GWh | 10 |
| #22 | Lincoln County, WI | 223.0 GWh | 5 |
| #23 | Kenosha County, WI | 204.5 GWh | 5 |
| #24 | Ashland County, WI | 159.9 GWh | 2 |
| #25 | Waushara County, WI | 151.5 GWh | 1 |
| #26 | Sauk County, WI | 131.0 GWh | 1 |
| #27 | Rusk County, WI | 124.9 GWh | 6 |
| #28 | Washington County, WI | 105.8 GWh | 6 |
| #29 | Juneau County, WI | 104.2 GWh | 9 |
| #30 | Richland County, WI | 100.6 GWh | 4 |
| #31 | Portage County, WI | 92.0 GWh | 6 |
| #32 | Polk County, WI | 90.8 GWh | 5 |
| #33 | Adams County, WI | 75.6 GWh | 2 |
| #34 | Florence County, WI | 65.9 GWh | 3 |
| #35 | La Crosse County, WI | 64.5 GWh | 2 |
| #36 | Dunn County, WI | 58.9 GWh | 5 |
| #37 | Racine County, WI | 47.8 GWh | 5 |
| #38 | Eau Claire County, WI | 43.1 GWh | 2 |
| #39 | Oneida County, WI | 23.3 GWh | 3 |
| #40 | Barron County, WI | 17.0 GWh | 5 |
| #41 | St. Croix County, WI | 15.0 GWh | 3 |
| #42 | Kewaunee County, WI | 15.0 GWh | 3 |
| #43 | Jackson County, WI | 13.9 GWh | 4 |
| #44 | Sawyer County, WI | 13.8 GWh | 4 |
| #45 | Monroe County, WI | 13.0 GWh | 3 |
| #46 | Oconto County, WI | 13.0 GWh | 3 |
| #47 | Green Lake County, WI | 11.1 GWh | 1 |
| #48 | Washburn County, WI | 10.8 GWh | 3 |
| #49 | Price County, WI | 10.7 GWh | 7 |
| #50 | Iron County, WI | 9.1 GWh | 1 |
| #51 | Trempealeau County, WI | 8.1 GWh | 2 |
| #52 | Burnett County, WI | 7.5 GWh | 4 |
| #53 | Waukesha County, WI | 6.1 GWh | 2 |
| #54 | Taylor County, WI | 3.4 GWh | 1 |
| #55 | Vernon County, WI | 3.4 GWh | 5 |
| #56 | Door County, WI | 9.0 MWh | 1 |
Net Generation data is based on the last 12 months since Dec 2023
