| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|
| #63 | Harrison County, IN | 907.0 MWh | 1 |
| #62 | Decatur County, IN | 1.1 GWh | 1 |
| #61 | Monroe County, IN | 1.4 GWh | 1 |
| #60 | Jackson County, IN | 1.4 GWh | 1 |
| #59 | Clark County, IN | 1.7 GWh | 4 |
| #58 | Dubois County, IN | 2.9 GWh | 3 |
| #57 | Johnson County, IN | 4.7 GWh | 4 |
| #56 | Hancock County, IN | 4.9 GWh | 1 |
| #55 | Howard County, IN | 6.4 GWh | 1 |
| #54 | Vanderburgh County, IN | 6.9 GWh | 4 |
| #53 | Perry County, IN | 6.9 GWh | 2 |
| #52 | Whitley County, IN | 7.6 GWh | 2 |
| #51 | Adams County, IN | 9.3 GWh | 1 |
| #50 | DeKalb County, IN | 10.1 GWh | 3 |
| #49 | Grant County, IN | 10.4 GWh | 5 |
| #48 | Scott County, IN | 12.5 GWh | 1 |
| #47 | Clay County, IN | 15.8 GWh | 2 |
| #46 | Carroll County, IN | 17.4 GWh | 1 |
| #45 | Wabash County, IN | 17.5 GWh | 3 |
| #44 | Daviess County, IN | 17.8 GWh | 2 |
| #43 | Hendricks County, IN | 20.0 GWh | 3 |
| #42 | Miami County, IN | 27.6 GWh | 4 |
| #41 | Martin County, IN | 28.5 GWh | 2 |
| #40 | Montgomery County, IN | 46.8 GWh | 6 |
| #39 | Elkhart County, IN | 49.5 GWh | 5 |
| #38 | Marshall County, IN | 52.9 GWh | 2 |
| #37 | Cass County, IN | 90.7 GWh | 5 |
| #36 | Lawrence County, IN | 110.8 GWh | 2 |
| #35 | Wells County, IN | 111.2 GWh | 2 |
| #34 | Wayne County, IN | 177.3 GWh | 11 |
| #33 | Shelby County, IN | 188.8 GWh | 2 |
| #32 | Greene County, IN | 207.4 GWh | 4 |
| #31 | Switzerland County, IN | 298.8 GWh | 1 |
| #30 | Clinton County, IN | 362.2 GWh | 1 |
| #29 | Henry County, IN | 610.6 GWh | 6 |
| #28 | Tippecanoe County, IN | 655.9 GWh | 8 |
| #27 | Tipton County, IN | 682.9 GWh | 3 |
| #26 | Jay County, IN | 773.6 GWh | 6 |
| #25 | Posey County, IN | 987.4 GWh | 4 |
| #24 | Madison County, IN | 1.1 TWh | 10 |
| #23 | Porter County, IN | 1.2 TWh | 5 |
| #22 | Warren County, IN | 1.2 TWh | 1 |
| #21 | LaPorte County, IN | 1.3 TWh | 2 |
| #20 | Starke County, IN | 1.4 TWh | 2 |
| #19 | Randolph County, IN | 1.8 TWh | 8 |
| #18 | Hamilton County, IN | 1.8 TWh | 2 |
| #17 | Jasper County, IN | 2.2 TWh | 11 |
| #16 | Benton County, IN | 3.1 TWh | 6 |
| #15 | Marion County, IN | 3.7 TWh | 24 |
| #14 | Knox County, IN | 3.7 TWh | 3 |
| #13 | Vermillion County, IN | 4.3 TWh | 3 |
| #12 | White County, IN | 4.4 TWh | 16 |
| #11 | Warrick County, IN | 4.5 TWh | 4 |
| #10 | Pike County, IN | 4.7 TWh | 7 |
| #9 | Vigo County, IN | 4.8 TWh | 4 |
| #8 | Sullivan County, IN | 5.2 TWh | 4 |
| #7 | Lake County, IN | 5.5 TWh | 17 |
| #6 | Morgan County, IN | 5.5 TWh | 1 |
| #5 | Jefferson County, IN | 5.7 TWh | 1 |
| #4 | St. Joseph County, IN | 5.9 TWh | 12 |
| #3 | Dearborn County, IN | 8.3 TWh | 2 |
| #2 | Spencer County, IN | 9.2 TWh | 3 |
| #1 | Gibson County, IN | 10.3 TWh | 3 |
Net Generation data is based on the last 12 months since Sep 2025
