State Rank | County | Net Generation (Past Year) | Power Plants |
#75 | Brown County, IL | 1.3 GWh | 1 |
#67 | Jefferson County, IL | 4.3 GWh | 1 |
#72 | Carroll County, IL | 3.0 GWh | 1 |
#54 | Warren County, IL | 57.0 GWh | 1 |
#36 | Stark County, IL | 406.4 GWh | 1 |
#50 | Jersey County, IL | 86.2 GWh | 1 |
#57 | Scott County, IL | 38.7 GWh | 1 |
#51 | Saline County, IL | 82.5 GWh | 1 |
#65 | Richland County, IL | 4.4 GWh | 1 |
#73 | Henderson County, IL | 2.8 GWh | 1 |
#69 | Franklin County, IL | 3.8 GWh | 1 |
#77 | Moultrie County, IL | 207.0 MWh | 1 |
#78 | Effingham County, IL | 56.0 MWh | 1 |
#13 | Jasper County, IL | 3.1 TWh | 2 |
#63 | Jackson County, IL | 7.2 GWh | 2 |
#76 | Monroe County, IL | 491.0 MWh | 2 |
#59 | Montgomery County, IL | 25.1 GWh | 2 |
#27 | Douglas County, IL | 723.1 GWh | 2 |
#47 | Piatt County, IL | 173.2 GWh | 2 |
#74 | Adams County, IL | 2.2 GWh | 2 |
#40 | Perry County, IL | 354.1 GWh | 3 |
#68 | Marion County, IL | 4.2 GWh | 3 |
#61 | Macoupin County, IL | 10.4 GWh | 3 |
#10 | Kendall County, IL | 5.2 TWh | 3 |
#71 | Putnam County, IL | 3.7 GWh | 3 |
#16 | Shelby County, IL | 2.4 TWh | 3 |
#30 | Woodford County, IL | 651.1 GWh | 3 |
#62 | Boone County, IL | 8.1 GWh | 3 |
#25 | Iroquois County, IL | 816.8 GWh | 3 |
#44 | Fayette County, IL | 230.7 GWh | 3 |
#42 | Clark County, IL | 296.4 GWh | 3 |
#24 | Ford County, IL | 1.1 TWh | 3 |
#70 | Fulton County, IL | 3.8 GWh | 3 |
#39 | Coles County, IL | 364.1 GWh | 4 |
#55 | Pike County, IL | 56.6 GWh | 4 |
#7 | De Witt County, IL | 10.1 TWh | 4 |
#22 | Mason County, IL | 1.3 TWh | 4 |
#52 | Cass County, IL | 79.9 GWh | 4 |
#64 | Jo Daviess County, IL | 6.9 GWh | 4 |
#66 | Knox County, IL | 4.4 GWh | 4 |
#38 | White County, IL | 395.1 GWh | 4 |
#19 | Macon County, IL | 2.1 TWh | 5 |
#8 | Randolph County, IL | 6.8 TWh | 5 |
#41 | Marshall County, IL | 346.0 GWh | 5 |
#31 | McDonough County, IL | 533.0 GWh | 5 |
#20 | Henry County, IL | 1.7 TWh | 6 |
#21 | Logan County, IL | 1.5 TWh | 6 |
#60 | Clinton County, IL | 11.4 GWh | 6 |
#14 | Christian County, IL | 2.6 TWh | 7 |
#49 | Peoria County, IL | 90.9 GWh | 7 |
#5 | Rock Island County, IL | 16.6 TWh | 7 |
#48 | Clay County, IL | 165.9 GWh | 7 |
#26 | Williamson County, IL | 740.0 GWh | 7 |
#6 | St. Clair County, IL | 11.3 TWh | 7 |
#45 | Morgan County, IL | 218.9 GWh | 8 |
#37 | Lake County, IL | 398.2 GWh | 8 |
#18 | Bureau County, IL | 2.2 TWh | 9 |
#23 | Vermilion County, IL | 1.2 TWh | 9 |
#12 | Tazewell County, IL | 3.2 TWh | 9 |
#33 | Madison County, IL | 485.0 GWh | 9 |
#2 | Grundy County, IL | 22.0 TWh | 10 |
#17 | Sangamon County, IL | 2.2 TWh | 10 |
#4 | Ogle County, IL | 19.3 TWh | 12 |
#9 | Lee County, IL | 5.8 TWh | 12 |
#43 | Champaign County, IL | 258.5 GWh | 12 |
#15 | Livingston County, IL | 2.4 TWh | 13 |
#53 | Kane County, IL | 69.9 GWh | 14 |
#11 | McLean County, IL | 3.2 TWh | 14 |
#28 | DeKalb County, IL | 683.9 GWh | 15 |
#56 | Whiteside County, IL | 45.8 GWh | 17 |
#29 | Kankakee County, IL | 665.4 GWh | 17 |
#58 | McHenry County, IL | 33.9 GWh | 19 |
#3 | LaSalle County, IL | 20.6 TWh | 20 |
#46 | Winnebago County, IL | 186.8 GWh | 23 |
#35 | DuPage County, IL | 466.1 GWh | 25 |
#32 | Stephenson County, IL | 521.7 GWh | 26 |
#1 | Will County, IL | 28.3 TWh | 40 |
#34 | Cook County, IL | 471.4 GWh | 77 |
Net Generation data is based on the last 12 months since Apr 2025