| State Rank | County | (Past Year)">Net Generation (Past Year) | Power Plants |
|---|
| #31 | Ashtabula County, OH | 205.1 GWh | 3 |
| #43 | Auglaize County, OH | 32.7 GWh | 6 |
| #27 | Brown County, OH | 438.5 GWh | 2 |
| #12 | Butler County, OH | 5.0 TWh | 11 |
| #11 | Carroll County, OH | 5.8 TWh | 1 |
| #63 | Clark County, OH | 1.6 GWh | 2 |
| #48 | Clermont County, OH | 16.7 GWh | 3 |
| #7 | Columbiana County, OH | 9.1 TWh | 1 |
| #61 | Crawford County, OH | 1.9 GWh | 3 |
| #34 | Cuyahoga County, OH | 194.0 GWh | 14 |
| #30 | Darke County, OH | 227.7 GWh | 6 |
| #29 | Defiance County, OH | 309.4 GWh | 3 |
| #50 | Erie County, OH | 15.6 GWh | 1 |
| #64 | Franklin County, OH | 36.8 MWh | 8 |
| #45 | Fulton County, OH | 23.6 GWh | 2 |
| #1 | Gallia County, OH | 19.0 TWh | 2 |
| #62 | Greene County, OH | 1.7 GWh | 3 |
| #5 | Guernsey County, OH | 10.2 TWh | 1 |
| #16 | Hamilton County, OH | 3.6 TWh | 6 |
| #38 | Hancock County, OH | 44.5 GWh | 4 |
| #26 | Hardin County, OH | 524.9 GWh | 4 |
| #49 | Henry County, OH | 16.1 GWh | 6 |
| #40 | Highland County, OH | 33.9 GWh | 4 |
| #57 | Huron County, OH | 4.4 GWh | 2 |
| #2 | Jefferson County, OH | 14.4 TWh | 5 |
| #6 | Lake County, OH | 9.6 TWh | 3 |
| #4 | Lawrence County, OH | 11.5 TWh | 1 |
| #60 | Licking County, OH | 2.1 GWh | 2 |
| #25 | Logan County, OH | 590.5 GWh | 3 |
| #22 | Lorain County, OH | 733.3 GWh | 7 |
| #9 | Lucas County, OH | 8.1 TWh | 9 |
| #32 | Madison County, OH | 203.7 GWh | 5 |
| #35 | Mahoning County, OH | 116.2 GWh | 2 |
| #39 | Marion County, OH | 44.2 GWh | 4 |
| #51 | Medina County, OH | 15.2 GWh | 6 |
| #33 | Meigs County, OH | 202.6 GWh | 1 |
| #56 | Mercer County, OH | 6.6 GWh | 1 |
| #44 | Miami County, OH | 25.8 GWh | 3 |
| #14 | Monroe County, OH | 4.2 TWh | 2 |
| #20 | Montgomery County, OH | 1.3 TWh | 7 |
| #13 | Muskingum County, OH | 4.3 TWh | 2 |
| #8 | Ottawa County, OH | 8.6 TWh | 3 |
| #18 | Paulding County, OH | 1.4 TWh | 10 |
| #41 | Perry County, OH | 33.9 GWh | 1 |
| #28 | Pickaway County, OH | 350.6 GWh | 4 |
| #42 | Portage County, OH | 33.8 GWh | 1 |
| #47 | Putnam County, OH | 16.8 GWh | 4 |
| #54 | Richland County, OH | 7.3 GWh | 7 |
| #24 | Ross County, OH | 654.3 GWh | 4 |
| #15 | Sandusky County, OH | 3.8 TWh | 5 |
| #23 | Scioto County, OH | 687.7 GWh | 2 |
| #46 | Seneca County, OH | 20.2 GWh | 1 |
| #58 | Shelby County, OH | 3.6 GWh | 3 |
| #59 | Stark County, OH | 2.4 GWh | 3 |
| #53 | Summit County, OH | 9.1 GWh | 5 |
| #10 | Trumbull County, OH | 6.9 TWh | 8 |
| #36 | Tuscarawas County, OH | 86.5 GWh | 2 |
| #19 | Van Wert County, OH | 1.4 TWh | 5 |
| #17 | Vinton County, OH | 1.5 TWh | 1 |
| #3 | Washington County, OH | 11.9 TWh | 7 |
| #37 | Wayne County, OH | 51.0 GWh | 6 |
| #55 | Williams County, OH | 7.0 GWh | 7 |
| #21 | Wood County, OH | 1.1 TWh | 9 |
| #52 | Wyandot County, OH | 13.9 GWh | 2 |
Net Generation data is based on the last 12 months since Feb 2024
