| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|
| #50 | Shawano County, WI | 12.0 GWh | 1 |
| #28 | Sauk County, WI | 152.9 GWh | 1 |
| #52 | Iron County, WI | 9.1 GWh | 1 |
| #61 | Door County, WI | 5.0 MWh | 1 |
| #51 | Green Lake County, WI | 11.6 GWh | 1 |
| #27 | Ashland County, WI | 179.7 GWh | 2 |
| #59 | Pierce County, WI | 3.4 GWh | 2 |
| #4 | Ozaukee County, WI | 6.8 TWh | 2 |
| #60 | Taylor County, WI | 3.3 GWh | 2 |
| #54 | Trempealeau County, WI | 7.4 GWh | 2 |
| #33 | Adams County, WI | 98.8 GWh | 2 |
| #42 | Langlade County, WI | 17.9 GWh | 2 |
| #20 | Lafayette County, WI | 371.9 GWh | 2 |
| #26 | Waushara County, WI | 193.1 GWh | 2 |
| #58 | Clark County, WI | 3.7 GWh | 2 |
| #56 | Waukesha County, WI | 6.3 GWh | 2 |
| #37 | Florence County, WI | 60.5 GWh | 3 |
| #39 | Oneida County, WI | 27.5 GWh | 3 |
| #41 | Oconto County, WI | 23.3 GWh | 3 |
| #47 | Monroe County, WI | 12.8 GWh | 3 |
| #35 | La Crosse County, WI | 69.9 GWh | 3 |
| #49 | Kewaunee County, WI | 12.0 GWh | 3 |
| #38 | Eau Claire County, WI | 37.1 GWh | 3 |
| #18 | Iowa County, WI | 461.7 GWh | 3 |
| #53 | Washburn County, WI | 8.8 GWh | 4 |
| #32 | Richland County, WI | 108.1 GWh | 4 |
| #10 | Buffalo County, WI | 1.1 TWh | 4 |
| #48 | Sawyer County, WI | 12.7 GWh | 4 |
| #46 | Jackson County, WI | 12.8 GWh | 4 |
| #57 | Vernon County, WI | 6.3 GWh | 5 |
| #8 | Sheboygan County, WI | 2.7 TWh | 5 |
| #40 | Walworth County, WI | 24.1 GWh | 5 |
| #43 | St. Croix County, WI | 17.8 GWh | 5 |
| #30 | Washington County, WI | 117.7 GWh | 5 |
| #36 | Dunn County, WI | 60.8 GWh | 5 |
| #24 | Lincoln County, WI | 220.5 GWh | 5 |
| #55 | Burnett County, WI | 7.2 GWh | 6 |
| #14 | Dodge County, WI | 568.7 GWh | 6 |
| #17 | Winnebago County, WI | 486.0 GWh | 6 |
| #29 | Rusk County, WI | 126.2 GWh | 6 |
| #45 | Price County, WI | 14.0 GWh | 6 |
| #21 | Racine County, WI | 348.6 GWh | 6 |
| #23 | Kenosha County, WI | 275.0 GWh | 7 |
| #44 | Barron County, WI | 17.0 GWh | 7 |
| #34 | Portage County, WI | 92.9 GWh | 7 |
| #25 | Polk County, WI | 201.0 GWh | 7 |
| #1 | Manitowoc County, WI | 10.7 TWh | 7 |
| #5 | Columbia County, WI | 5.6 TWh | 7 |
| #7 | Marathon County, WI | 4.4 TWh | 8 |
| #15 | Brown County, WI | 556.4 GWh | 8 |
| #11 | Grant County, WI | 741.4 GWh | 9 |
| #16 | Fond du Lac County, WI | 544.6 GWh | 9 |
| #22 | Marinette County, WI | 291.2 GWh | 10 |
| #12 | Jefferson County, WI | 738.3 GWh | 10 |
| #13 | Wood County, WI | 662.7 GWh | 10 |
| #2 | Milwaukee County, WI | 10.0 TWh | 11 |
| #31 | Juneau County, WI | 113.0 GWh | 11 |
| #19 | Chippewa County, WI | 457.4 GWh | 14 |
| #3 | Rock County, WI | 8.3 TWh | 15 |
| #6 | Outagamie County, WI | 4.7 TWh | 15 |
| #9 | Dane County, WI | 1.1 TWh | 30 |
Net Generation data is based on the last 12 months since Jun 2026
