| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|
| #12 | Wood County, WI | 677.3 GWh | 10 |
| #17 | Winnebago County, WI | 486.0 GWh | 6 |
| #26 | Waushara County, WI | 192.3 GWh | 2 |
| #56 | Waukesha County, WI | 6.3 GWh | 2 |
| #29 | Washington County, WI | 117.5 GWh | 5 |
| #53 | Washburn County, WI | 8.3 GWh | 4 |
| #40 | Walworth County, WI | 24.1 GWh | 6 |
| #57 | Vernon County, WI | 6.3 GWh | 5 |
| #54 | Trempealeau County, WI | 7.4 GWh | 2 |
| #60 | Taylor County, WI | 3.3 GWh | 2 |
| #43 | St. Croix County, WI | 17.8 GWh | 5 |
| #8 | Sheboygan County, WI | 2.8 TWh | 5 |
| #50 | Shawano County, WI | 12.0 GWh | 1 |
| #48 | Sawyer County, WI | 12.7 GWh | 4 |
| #28 | Sauk County, WI | 152.9 GWh | 1 |
| #30 | Rusk County, WI | 114.7 GWh | 6 |
| #3 | Rock County, WI | 8.3 TWh | 15 |
| #32 | Richland County, WI | 108.5 GWh | 4 |
| #21 | Racine County, WI | 350.4 GWh | 6 |
| #45 | Price County, WI | 13.5 GWh | 6 |
| #34 | Portage County, WI | 92.9 GWh | 7 |
| #24 | Polk County, WI | 243.1 GWh | 7 |
| #59 | Pierce County, WI | 3.4 GWh | 2 |
| #4 | Ozaukee County, WI | 6.7 TWh | 2 |
| #6 | Outagamie County, WI | 4.8 TWh | 15 |
| #39 | Oneida County, WI | 27.6 GWh | 3 |
| #44 | Oconto County, WI | 17.3 GWh | 3 |
| #47 | Monroe County, WI | 12.8 GWh | 3 |
| #2 | Milwaukee County, WI | 10.3 TWh | 12 |
| #22 | Marinette County, WI | 291.2 GWh | 10 |
| #7 | Marathon County, WI | 4.5 TWh | 8 |
| #1 | Manitowoc County, WI | 10.7 TWh | 7 |
| #25 | Lincoln County, WI | 220.5 GWh | 5 |
| #42 | Langlade County, WI | 17.9 GWh | 2 |
| #20 | Lafayette County, WI | 369.6 GWh | 2 |
| #35 | La Crosse County, WI | 72.0 GWh | 3 |
| #49 | Kewaunee County, WI | 12.0 GWh | 3 |
| #23 | Kenosha County, WI | 275.0 GWh | 7 |
| #31 | Juneau County, WI | 113.2 GWh | 11 |
| #13 | Jefferson County, WI | 608.6 GWh | 10 |
| #46 | Jackson County, WI | 12.8 GWh | 4 |
| #52 | Iron County, WI | 9.1 GWh | 1 |
| #19 | Iowa County, WI | 465.1 GWh | 3 |
| #51 | Green Lake County, WI | 11.6 GWh | 1 |
| #11 | Grant County, WI | 742.9 GWh | 9 |
| #15 | Fond du Lac County, WI | 544.7 GWh | 9 |
| #37 | Florence County, WI | 60.5 GWh | 3 |
| #38 | Eau Claire County, WI | 37.1 GWh | 3 |
| #36 | Dunn County, WI | 60.8 GWh | 5 |
| #61 | Door County, WI | 5.0 MWh | 1 |
| #14 | Dodge County, WI | 568.6 GWh | 6 |
| #9 | Dane County, WI | 1.1 TWh | 30 |
| #5 | Columbia County, WI | 5.5 TWh | 7 |
| #58 | Clark County, WI | 3.7 GWh | 2 |
| #18 | Chippewa County, WI | 465.6 GWh | 14 |
| #55 | Burnett County, WI | 7.2 GWh | 6 |
| #10 | Buffalo County, WI | 1.0 TWh | 4 |
| #16 | Brown County, WI | 541.4 GWh | 8 |
| #41 | Barron County, WI | 22.1 GWh | 7 |
| #27 | Ashland County, WI | 179.7 GWh | 2 |
| #33 | Adams County, WI | 98.8 GWh | 2 |
Net Generation data is based on the last 12 months since Dec 2025
