| State Rank | City | (Past Year)">Net Generation (Past Year) | Power Plants |
| #144 | Mound City, IL | 8.8 GWh | 1 |
| #153 | Geneseo, IL | 7.6 GWh | 1 |
| #159 | Sublette, IL | 7.0 GWh | 1 |
| #160 | Rockton, IL | 6.5 GWh | 1 |
| #162 | Viola, IL | 6.4 GWh | 1 |
| #174 | Lawrenceville, IL | 4.7 GWh | 1 |
| #175 | Sparta, IL | 4.7 GWh | 1 |
| #177 | Downs, IL | 4.6 GWh | 1 |
| #178 | Lee, IL | 4.5 GWh | 1 |
| #180 | Standard City, IL | 4.5 GWh | 1 |
| #182 | Dakota, IL | 4.5 GWh | 1 |
| #183 | Burlington, IL | 4.5 GWh | 1 |
| #184 | Palmyra, IL | 4.5 GWh | 1 |
| #186 | Greenwood, IL | 4.4 GWh | 1 |
| #187 | Olney, IL | 4.4 GWh | 1 |
| #188 | Cortland, IL | 4.3 GWh | 1 |
| #189 | Bluford, IL | 4.3 GWh | 1 |
| #190 | Williamsfield, IL | 4.3 GWh | 1 |
| #193 | Sycamore, IL | 4.2 GWh | 1 |
| #195 | Edwardsville, IL | 4.1 GWh | 1 |
| #196 | Poplar Grove, IL | 4.1 GWh | 1 |
| #198 | Frankfort, IL | 4.1 GWh | 1 |
| #199 | Bonfield, IL | 4.0 GWh | 1 |
| #200 | Mapleton, IL | 4.0 GWh | 1 |
| #201 | Farmington, IL | 4.0 GWh | 1 |
| #202 | Lacon, IL | 4.0 GWh | 1 |
| #205 | West Frankfort, IL | 3.8 GWh | 1 |
| #206 | Mount Morris, IL | 3.8 GWh | 1 |
| #208 | Braidwood, IL | 3.6 GWh | 1 |
| #210 | Grant Park, IL | 3.6 GWh | 1 |
| #211 | Watseka, IL | 3.5 GWh | 1 |
| #212 | Washington Park, IL | 3.5 GWh | 1 |
| #213 | Monee, IL | 3.5 GWh | 1 |
| #214 | Machesney Park, IL | 3.5 GWh | 1 |
| #216 | Pearl City, IL | 3.2 GWh | 1 |
| #217 | Green Valley, IL | 3.2 GWh | 1 |
| #218 | Apple River, IL | 3.2 GWh | 1 |
| #219 | Roscoe, IL | 3.2 GWh | 1 |
| #220 | Patoka, IL | 3.1 GWh | 1 |
| #225 | Winnetka, IL | 2.9 GWh | 1 |
| #226 | Thomson, IL | 2.8 GWh | 1 |
| #228 | Oquawka, IL | 2.5 GWh | 1 |
| #230 | German Valley, IL | 2.3 GWh | 1 |
| #231 | Algonquin, IL | 2.3 GWh | 1 |
| #232 | Polo, IL | 2.2 GWh | 1 |
| #236 | Sauget, IL | 1.9 GWh | 1 |
| #238 | Lebanon, IL | 1.5 GWh | 1 |
| #239 | Rolling Meadows, IL | 1.5 GWh | 1 |
| #240 | River Grove, IL | 1.0 GWh | 1 |
| #241 | Bolingbrook, IL | 762.0 MWh | 1 |
| #244 | Arlington Heights, IL | 587.0 MWh | 1 |
| #245 | Sullivan, IL | 569.0 MWh | 1 |
| #246 | Breese, IL | 539.0 MWh | 1 |
| #247 | Hoffman Estates, IL | 515.0 MWh | 1 |
| #248 | Delavan, IL | 386.0 MWh | 1 |
| #250 | Red Bud, IL | 262.0 MWh | 1 |
| #253 | Lake Forest, IL | 170.0 MWh | 1 |
| #255 | Freeburg, IL | 145.0 MWh | 1 |
| #257 | Homer, IL | 96.0 MWh | 1 |
| #259 | Bushnell, IL | 78.0 MWh | 1 |
| #260 | Altamont, IL | 75.0 MWh | 1 |
| #261 | Pearl, IL | 64.0 MWh | 1 |
| #262 | McLeansboro, IL | 42.0 MWh | 1 |
| #264 | Shirley, IL | 7.0 MWh | 1 |
| #265 | Mount Sterling, IL | 3.0 MWh | 1 |
Net Generation data is based on the last 12 months since Feb 2025