| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|
| #1 | Gibson County, IN | 11.0 TWh | 3 |
| #2 | Spencer County, IN | 9.1 TWh | 3 |
| #3 | Dearborn County, IN | 7.2 TWh | 2 |
| #4 | St. Joseph County, IN | 6.1 TWh | 12 |
| #5 | Jefferson County, IN | 6.0 TWh | 1 |
| #6 | Morgan County, IN | 5.4 TWh | 1 |
| #7 | Lake County, IN | 5.3 TWh | 17 |
| #8 | Sullivan County, IN | 4.9 TWh | 6 |
| #9 | Pike County, IN | 4.8 TWh | 8 |
| #10 | Marion County, IN | 4.6 TWh | 24 |
| #11 | Warrick County, IN | 4.4 TWh | 4 |
| #12 | White County, IN | 4.3 TWh | 16 |
| #13 | Vermillion County, IN | 4.3 TWh | 3 |
| #14 | Vigo County, IN | 4.2 TWh | 4 |
| #15 | Knox County, IN | 4.0 TWh | 3 |
| #16 | Benton County, IN | 3.3 TWh | 6 |
| #17 | Randolph County, IN | 2.1 TWh | 8 |
| #18 | LaPorte County, IN | 1.9 TWh | 2 |
| #19 | Posey County, IN | 1.7 TWh | 4 |
| #20 | Hamilton County, IN | 1.7 TWh | 2 |
| #21 | Jasper County, IN | 1.7 TWh | 12 |
| #22 | Starke County, IN | 1.4 TWh | 2 |
| #23 | Warren County, IN | 1.3 TWh | 1 |
| #24 | Porter County, IN | 984.0 GWh | 5 |
| #25 | Jay County, IN | 779.5 GWh | 6 |
| #26 | Tippecanoe County, IN | 717.8 GWh | 8 |
| #27 | Tipton County, IN | 683.9 GWh | 3 |
| #28 | Henry County, IN | 533.0 GWh | 6 |
| #29 | Cass County, IN | 437.4 GWh | 5 |
| #30 | Shelby County, IN | 423.0 GWh | 2 |
| #31 | Clinton County, IN | 347.8 GWh | 1 |
| #32 | Fountain County, IN | 286.7 GWh | 2 |
| #33 | Wells County, IN | 258.8 GWh | 2 |
| #34 | Switzerland County, IN | 252.6 GWh | 1 |
| #35 | Greene County, IN | 214.6 GWh | 4 |
| #36 | Madison County, IN | 184.4 GWh | 10 |
| #37 | Wayne County, IN | 175.9 GWh | 11 |
| #38 | Elkhart County, IN | 174.7 GWh | 5 |
| #39 | Lawrence County, IN | 165.2 GWh | 2 |
| #40 | Marshall County, IN | 52.3 GWh | 2 |
| #41 | Montgomery County, IN | 45.3 GWh | 6 |
| #42 | Martin County, IN | 26.7 GWh | 2 |
| #43 | Miami County, IN | 26.5 GWh | 4 |
| #44 | Daviess County, IN | 22.6 GWh | 2 |
| #45 | Wabash County, IN | 17.4 GWh | 3 |
| #46 | DeKalb County, IN | 17.3 GWh | 3 |
| #47 | Carroll County, IN | 15.0 GWh | 1 |
| #48 | Clay County, IN | 14.9 GWh | 2 |
| #49 | Hendricks County, IN | 12.2 GWh | 3 |
| #50 | Grant County, IN | 11.0 GWh | 5 |
| #51 | Scott County, IN | 10.8 GWh | 1 |
| #52 | Adams County, IN | 9.3 GWh | 1 |
| #53 | Howard County, IN | 7.0 GWh | 1 |
| #54 | Whitley County, IN | 6.8 GWh | 2 |
| #55 | Vanderburgh County, IN | 6.3 GWh | 4 |
| #56 | Perry County, IN | 6.1 GWh | 2 |
| #57 | Hancock County, IN | 4.8 GWh | 1 |
| #58 | Dubois County, IN | 2.6 GWh | 4 |
| #59 | Johnson County, IN | 2.4 GWh | 4 |
| #60 | Pulaski County, IN | 2.1 GWh | 5 |
| #61 | Decatur County, IN | 1.6 GWh | 1 |
| #62 | Jackson County, IN | 1.5 GWh | 1 |
| #63 | Monroe County, IN | 1.4 GWh | 1 |
| #64 | Clark County, IN | 1.4 GWh | 4 |
| #65 | Harrison County, IN | 374.0 MWh | 1 |
Net Generation data is based on the last 12 months since Oct 2025
