| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|
| #1 | Gibson County, IN | 9.7 TWh | 2 |
| #2 | Dearborn County, IN | 8.9 TWh | 2 |
| #3 | Lake County, IN | 6.1 TWh | 17 |
| #4 | St. Joseph County, IN | 5.9 TWh | 12 |
| #5 | Warrick County, IN | 5.7 TWh | 2 |
| #6 | Morgan County, IN | 5.3 TWh | 1 |
| #7 | Vermillion County, IN | 5.0 TWh | 3 |
| #8 | Jefferson County, IN | 5.0 TWh | 1 |
| #9 | Spencer County, IN | 4.9 TWh | 3 |
| #10 | Marion County, IN | 3.9 TWh | 24 |
| #11 | Sullivan County, IN | 3.4 TWh | 3 |
| #12 | Vigo County, IN | 3.4 TWh | 4 |
| #13 | Pike County, IN | 3.3 TWh | 7 |
| #14 | White County, IN | 3.1 TWh | 16 |
| #15 | Benton County, IN | 3.0 TWh | 5 |
| #16 | Knox County, IN | 2.8 TWh | 2 |
| #17 | Jasper County, IN | 2.2 TWh | 10 |
| #18 | Randolph County, IN | 1.5 TWh | 7 |
| #19 | LaPorte County, IN | 1.5 TWh | 2 |
| #20 | Hamilton County, IN | 1.3 TWh | 2 |
| #21 | Warren County, IN | 1.2 TWh | 1 |
| #22 | Porter County, IN | 1.1 TWh | 5 |
| #23 | Posey County, IN | 806.7 GWh | 4 |
| #24 | Jay County, IN | 747.7 GWh | 5 |
| #25 | Tippecanoe County, IN | 693.4 GWh | 8 |
| #26 | Tipton County, IN | 659.0 GWh | 3 |
| #27 | Henry County, IN | 505.0 GWh | 6 |
| #28 | Switzerland County, IN | 394.7 GWh | 1 |
| #29 | Clinton County, IN | 191.6 GWh | 1 |
| #30 | Wells County, IN | 141.5 GWh | 2 |
| #31 | Madison County, IN | 137.2 GWh | 10 |
| #32 | Wayne County, IN | 91.3 GWh | 11 |
| #33 | Greene County, IN | 71.2 GWh | 4 |
| #34 | Marshall County, IN | 58.4 GWh | 2 |
| #35 | Elkhart County, IN | 50.9 GWh | 5 |
| #36 | Cass County, IN | 46.1 GWh | 4 |
| #37 | Montgomery County, IN | 45.8 GWh | 6 |
| #38 | Lawrence County, IN | 44.7 GWh | 2 |
| #39 | Shelby County, IN | 34.1 GWh | 2 |
| #40 | Martin County, IN | 29.0 GWh | 2 |
| #41 | Miami County, IN | 27.4 GWh | 4 |
| #42 | Carroll County, IN | 20.0 GWh | 1 |
| #43 | Wabash County, IN | 19.4 GWh | 3 |
| #44 | DeKalb County, IN | 16.9 GWh | 3 |
| #45 | Clay County, IN | 14.4 GWh | 2 |
| #46 | Scott County, IN | 12.3 GWh | 1 |
| #47 | Grant County, IN | 11.0 GWh | 5 |
| #48 | Hendricks County, IN | 10.5 GWh | 3 |
| #49 | Adams County, IN | 9.2 GWh | 1 |
| #50 | Whitley County, IN | 7.2 GWh | 2 |
| #51 | Daviess County, IN | 6.8 GWh | 2 |
| #52 | Perry County, IN | 6.7 GWh | 2 |
| #53 | Howard County, IN | 6.3 GWh | 1 |
| #54 | Vanderburgh County, IN | 5.6 GWh | 4 |
| #55 | Hancock County, IN | 4.7 GWh | 1 |
| #56 | Dubois County, IN | 2.8 GWh | 3 |
| #57 | Johnson County, IN | 2.6 GWh | 4 |
| #58 | Clark County, IN | 1.7 GWh | 3 |
| #59 | Decatur County, IN | 1.7 GWh | 1 |
| #60 | Monroe County, IN | 1.6 GWh | 1 |
| #61 | Jackson County, IN | 1.6 GWh | 1 |
| #62 | Harrison County, IN | 1.6 GWh | 1 |
Net Generation data is based on the last 12 months since Dec 2023
