| State Rank | County | Net Generation (Past Year) | Power Plants |
| #1 | Franklin County, MO | 15.0 TWh | 1 |
| #2 | Callaway County, MO | 9.9 TWh | 4 |
| #3 | New Madrid County, MO | 6.6 TWh | 2 |
| #4 | Randolph County, MO | 6.0 TWh | 2 |
| #5 | Platte County, MO | 5.2 TWh | 2 |
| #6 | St. Charles County, MO | 3.6 TWh | 3 |
| #7 | Jackson County, MO | 2.6 TWh | 14 |
| #8 | Cass County, MO | 2.5 TWh | 3 |
| #9 | Jasper County, MO | 2.4 TWh | 6 |
| #10 | Atchison County, MO | 2.3 TWh | 6 |
| #11 | Greene County, MO | 2.0 TWh | 7 |
| #12 | Dunklin County, MO | 1.7 TWh | 5 |
| #13 | Scott County, MO | 1.7 TWh | 5 |
| #14 | Nodaway County, MO | 1.6 TWh | 5 |
| #15 | Audrain County, MO | 1.2 TWh | 8 |
| #16 | DeKalb County, MO | 1.1 TWh | 2 |
| #17 | Schuyler County, MO | 838.1 GWh | 1 |
| #18 | Lawrence County, MO | 546.9 GWh | 1 |
| #19 | Barton County, MO | 545.8 GWh | 1 |
| #20 | Miller County, MO | 498.9 GWh | 1 |
| #21 | Warren County, MO | 495.3 GWh | 2 |
| #22 | Adair County, MO | 429.7 GWh | 2 |
| #23 | Taney County, MO | 408.0 GWh | 2 |
| #24 | Boone County, MO | 295.9 GWh | 5 |
| #25 | Lincoln County, MO | 287.7 GWh | 1 |
| #26 | Benton County, MO | 275.9 GWh | 1 |
| #27 | Johnson County, MO | 222.7 GWh | 1 |
| #28 | Gentry County, MO | 199.8 GWh | 3 |
| #29 | Pike County, MO | 177.9 GWh | 3 |
| #30 | Ralls County, MO | 129.1 GWh | 2 |
| #31 | Stoddard County, MO | 92.9 GWh | 1 |
| #32 | St. Louis County, MO | 86.1 GWh | 4 |
| #33 | Macon County, MO | 84.9 GWh | 6 |
| #34 | Cedar County, MO | 58.5 GWh | 2 |
| #35 | Buchanan County, MO | 50.8 GWh | 2 |
| #36 | St. Louis city, MO | 38.8 GWh | 4 |
| #37 | Howell County, MO | 18.1 GWh | 2 |
| #38 | Caldwell County, MO | 18.0 GWh | 1 |
| #39 | Cole County, MO | 17.7 GWh | 3 |
| #40 | Christian County, MO | 14.1 GWh | 1 |
| #41 | Wright County, MO | 11.0 GWh | 1 |
| #42 | Livingston County, MO | 6.8 GWh | 3 |
| #43 | Montgomery County, MO | 6.6 GWh | 1 |
| #44 | Lafayette County, MO | 5.9 GWh | 3 |
| #45 | Saline County, MO | 5.3 GWh | 3 |
| #46 | Grundy County, MO | 4.4 GWh | 4 |
| #47 | Bates County, MO | 4.3 GWh | 2 |
| #48 | Madison County, MO | 4.2 GWh | 1 |
| #49 | Pulaski County, MO | 4.2 GWh | 1 |
| #50 | Laclede County, MO | 4.1 GWh | 1 |
| #51 | Phelps County, MO | 4.1 GWh | 2 |
| #52 | St. Francois County, MO | 3.8 GWh | 5 |
| #53 | Cape Girardeau County, MO | 1.7 GWh | 4 |
| #54 | Butler County, MO | 679.0 MWh | 1 |
| #55 | Camden County, MO | 536.0 MWh | 1 |
| #56 | Shelby County, MO | 67.0 MWh | 3 |
| #57 | Putnam County, MO | 35.0 MWh | 2 |
| #58 | Linn County, MO | 20.0 MWh | 1 |
| #59 | Vernon County, MO | 15.0 MWh | 1 |
| #60 | Clark County, MO | 5.0 MWh | 1 |
Net Generation data is based on the last 12 months since Dec 2024