| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|
| #33 | Adams County, WI | 108.7 GWh | 2 |
| #25 | Ashland County, WI | 158.8 GWh | 2 |
| #41 | Barron County, WI | 17.0 GWh | 5 |
| #18 | Brown County, WI | 516.3 GWh | 8 |
| #10 | Buffalo County, WI | 944.3 GWh | 3 |
| #52 | Burnett County, WI | 7.7 GWh | 4 |
| #16 | Chippewa County, WI | 548.4 GWh | 12 |
| #56 | Clark County, WI | 3.7 GWh | 1 |
| #5 | Columbia County, WI | 6.1 TWh | 6 |
| #11 | Dane County, WI | 813.1 GWh | 26 |
| #15 | Dodge County, WI | 588.6 GWh | 6 |
| #61 | Door County, WI | 9.0 MWh | 1 |
| #36 | Dunn County, WI | 65.9 GWh | 5 |
| #38 | Eau Claire County, WI | 42.4 GWh | 2 |
| #37 | Florence County, WI | 56.6 GWh | 3 |
| #17 | Fond du Lac County, WI | 528.9 GWh | 9 |
| #13 | Grant County, WI | 717.5 GWh | 9 |
| #44 | Green Lake County, WI | 13.6 GWh | 1 |
| #19 | Iowa County, WI | 458.5 GWh | 3 |
| #51 | Iron County, WI | 8.0 GWh | 1 |
| #48 | Jackson County, WI | 12.1 GWh | 4 |
| #9 | Jefferson County, WI | 1.2 TWh | 8 |
| #29 | Juneau County, WI | 126.5 GWh | 9 |
| #21 | Kenosha County, WI | 281.4 GWh | 5 |
| #45 | Kewaunee County, WI | 13.4 GWh | 3 |
| #35 | La Crosse County, WI | 66.5 GWh | 2 |
| #20 | Lafayette County, WI | 394.8 GWh | 2 |
| #60 | Langlade County, WI | 279.0 MWh | 1 |
| #22 | Lincoln County, WI | 225.7 GWh | 5 |
| #2 | Manitowoc County, WI | 10.4 TWh | 7 |
| #6 | Marathon County, WI | 4.9 TWh | 8 |
| #23 | Marinette County, WI | 193.4 GWh | 10 |
| #1 | Milwaukee County, WI | 10.6 TWh | 11 |
| #43 | Monroe County, WI | 14.0 GWh | 3 |
| #40 | Oconto County, WI | 19.0 GWh | 3 |
| #39 | Oneida County, WI | 24.5 GWh | 3 |
| #7 | Outagamie County, WI | 4.1 TWh | 15 |
| #4 | Ozaukee County, WI | 7.1 TWh | 2 |
| #57 | Pierce County, WI | 3.0 GWh | 2 |
| #30 | Polk County, WI | 118.6 GWh | 5 |
| #32 | Portage County, WI | 109.3 GWh | 6 |
| #47 | Price County, WI | 12.4 GWh | 6 |
| #26 | Racine County, WI | 153.6 GWh | 5 |
| #34 | Richland County, WI | 104.7 GWh | 4 |
| #3 | Rock County, WI | 8.2 TWh | 15 |
| #28 | Rusk County, WI | 137.5 GWh | 6 |
| #27 | Sauk County, WI | 143.8 GWh | 1 |
| #46 | Sawyer County, WI | 13.2 GWh | 4 |
| #59 | Shawano County, WI | 1.4 GWh | 1 |
| #8 | Sheboygan County, WI | 3.0 TWh | 5 |
| #42 | St. Croix County, WI | 16.8 GWh | 3 |
| #58 | Taylor County, WI | 2.7 GWh | 1 |
| #50 | Trempealeau County, WI | 8.6 GWh | 2 |
| #54 | Vernon County, WI | 6.1 GWh | 5 |
| #55 | Walworth County, WI | 4.0 GWh | 3 |
| #49 | Washburn County, WI | 10.0 GWh | 3 |
| #31 | Washington County, WI | 116.2 GWh | 5 |
| #53 | Waukesha County, WI | 7.0 GWh | 2 |
| #24 | Waushara County, WI | 190.7 GWh | 1 |
| #12 | Winnebago County, WI | 748.7 GWh | 5 |
| #14 | Wood County, WI | 691.0 GWh | 10 |
Net Generation data is based on the last 12 months since May 2025
