State Rank | County | Net Generation (Past Year) | Power Plants |
#35 | Ashtabula County, OH | 183.0 GWh | 3 |
#44 | Auglaize County, OH | 33.9 GWh | 7 |
#30 | Brown County, OH | 407.8 GWh | 2 |
#12 | Butler County, OH | 5.4 TWh | 11 |
#13 | Carroll County, OH | 5.3 TWh | 2 |
#40 | Champaign County, OH | 79.5 GWh | 2 |
#64 | Clark County, OH | 1.1 GWh | 2 |
#37 | Clermont County, OH | 139.4 GWh | 3 |
#8 | Columbiana County, OH | 7.7 TWh | 1 |
#59 | Crawford County, OH | 3.1 GWh | 3 |
#31 | Cuyahoga County, OH | 358.0 GWh | 14 |
#39 | Darke County, OH | 114.4 GWh | 6 |
#32 | Defiance County, OH | 333.8 GWh | 3 |
#54 | Erie County, OH | 10.5 GWh | 2 |
#65 | Franklin County, OH | 555.0 MWh | 11 |
#34 | Fulton County, OH | 199.0 GWh | 3 |
#1 | Gallia County, OH | 17.6 TWh | 2 |
#63 | Greene County, OH | 2.1 GWh | 3 |
#2 | Guernsey County, OH | 11.5 TWh | 1 |
#10 | Hamilton County, OH | 6.5 TWh | 6 |
#41 | Hancock County, OH | 43.3 GWh | 7 |
#26 | Hardin County, OH | 693.0 GWh | 5 |
#50 | Henry County, OH | 18.5 GWh | 7 |
#25 | Highland County, OH | 767.4 GWh | 4 |
#58 | Huron County, OH | 3.8 GWh | 3 |
#4 | Jefferson County, OH | 9.8 TWh | 5 |
#5 | Lake County, OH | 8.9 TWh | 3 |
#6 | Lawrence County, OH | 8.4 TWh | 1 |
#62 | Licking County, OH | 2.1 GWh | 2 |
#29 | Logan County, OH | 552.7 GWh | 3 |
#18 | Lorain County, OH | 1.7 TWh | 7 |
#9 | Lucas County, OH | 6.8 TWh | 11 |
#19 | Madison County, OH | 1.7 TWh | 5 |
#48 | Mahoning County, OH | 26.8 GWh | 3 |
#45 | Marion County, OH | 32.7 GWh | 4 |
#52 | Medina County, OH | 15.6 GWh | 6 |
#36 | Meigs County, OH | 174.8 GWh | 2 |
#56 | Mercer County, OH | 6.5 GWh | 1 |
#47 | Miami County, OH | 27.0 GWh | 3 |
#16 | Monroe County, OH | 3.7 TWh | 2 |
#21 | Montgomery County, OH | 1.4 TWh | 7 |
#14 | Muskingum County, OH | 4.3 TWh | 2 |
#7 | Ottawa County, OH | 8.0 TWh | 3 |
#20 | Paulding County, OH | 1.4 TWh | 10 |
#46 | Perry County, OH | 28.2 GWh | 1 |
#27 | Pickaway County, OH | 615.9 GWh | 4 |
#43 | Portage County, OH | 34.6 GWh | 1 |
#38 | Putnam County, OH | 119.7 GWh | 4 |
#57 | Richland County, OH | 4.4 GWh | 7 |
#24 | Ross County, OH | 929.7 GWh | 5 |
#15 | Sandusky County, OH | 4.2 TWh | 5 |
#28 | Scioto County, OH | 614.9 GWh | 2 |
#49 | Seneca County, OH | 19.8 GWh | 1 |
#60 | Shelby County, OH | 3.0 GWh | 3 |
#61 | Stark County, OH | 2.3 GWh | 3 |
#53 | Summit County, OH | 13.7 GWh | 5 |
#11 | Trumbull County, OH | 6.4 TWh | 8 |
#66 | Tuscarawas County, OH | 402.0 MWh | 2 |
#33 | Union County, OH | 220.2 GWh | 3 |
#22 | Van Wert County, OH | 1.1 TWh | 5 |
#17 | Vinton County, OH | 2.2 TWh | 1 |
#3 | Washington County, OH | 11.2 TWh | 8 |
#42 | Wayne County, OH | 38.8 GWh | 6 |
#55 | Williams County, OH | 6.6 GWh | 8 |
#23 | Wood County, OH | 1.0 TWh | 9 |
#51 | Wyandot County, OH | 16.2 GWh | 3 |
Net Generation data is based on the last 12 months since Apr 2025