| FACILITY | SEASONAL | ANNUAL |
| Alsey Station | 19.9% | 19.9% |
| Baldwin Energy Complex | 35.1% | 35.2% |
| Calumet Energy Team | 31.9% | 31.6% |
| Coffeen | 32.8% | 32.8% |
| Cordova Energy Center | 44.7% | 44.6% |
| Crawford | 30.9% | 31.5% |
| Crete Energy Park | 26.6% | 26.2% |
| Dallman | 41.2% | 40.4% |
| Duck Creek | 34.6% | 34.2% |
| E D Edwards | 32.8% | 32.8% |
| Elgin Energy Center | 29.3% | 29.2% |
| Elwood Energy Facility | 30.8% | 30.8% |
| Factory Gas Turbine | 22.5% | 22.5% |
| Fisk | 31.8% | 32.2% |
| Freedom Power Project | 35.8% | 35.7% |
| Gibson City Power Plant | 31.5% | 30.6% |
| Goose Creek Energy Center | 29.8% | 29.5% |
| Grand Tower | 39.6% | 39.7% |
| Havana | 32.8% | 32.8% |
| Hennepin Power Station | 33.4% | 34.2% |
| Holland Energy Facility | 32.8% | 32.8% |
| Hutsonville | 31.3% | 31.8% |
| Interstate | 25.2% | 25.1% |
| Joliet 29 | 31.4% | 31.7% |
| Joliet 9 | 31.1% | 31.8% |
| Joppa Steam | 33.0% | 33.0% |
| Kendall County Generating Facility | 34.3% | 38.0% |
| Kincaid Station | 33.1% | 33.2% |
| Kinmundy Power Plant | 30.1% | 29.9% |
| Lakeside | 50.7% | 48.9% |
| Lee Energy Facility | 28.0% | 28.0% |
| Lincoln Generating Facility | 28.5% | 28.5% |
| Marion | 25.1% | 26.1% |
| MEP Flora Power | 18.1% | 18.0% |
| MEPI Gt Facility | 24.8% | 24.6% |
| Meredosia | 22.6% | 23.8% |
| Newton | 32.6% | 32.9% |
| NRG Rockford Energy Center | 32.9% | 32.8% |
| NRG Rockford II Energy Center | 33.9% | 13.6% |
| Pinckneyville Power Plant | 33.1% | 32.8% |
| Powerton | 33.2% | 33.1% |
| PPL University Park Power Project | 32.3% | 32.3% |
| Reliant Energy - Aurora | 31.8% | 31.9% |
| Reliant Energy Shelby County | 35.5% | 35.4% |
| Rocky Road Power, LLC | 28.7% | 28.7% |
| Southeast Chicago Energy Project | 54.8% | 49.2% |
| Tilton Power Station | 30.8% | 30.4% |
| University Park Energy | 29.5% | 30.2% |
| Venice | 23.2% | 11.7% |
| Vermilion Power Station | 33.5% | 33.5% |
| Waukegan | 32.8% | 33.0% |
| Will County | 32.2% | 32.7% |
| Wood River Power Station | 34.5% | 35.2% |
| Zion Energy Center | 27.4% | 27.4% |