Coal power plants in Illinois
9 operating coal power plants in Illinois with 7,415 MW of coal capacity, largest first. From EIA-860M, August 2026.
Largest coal power plants in Illinois
| # | Plant | Coal MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | PowertonTazewell County | 1,786 | 3,360* | 23.5% |
| 2 | Prairie State Generating StationSt Clair County | 1,766 | 12,193 | 78.8% |
| 3 | Kincaid Generation LLCChristian County | 1,319 | 2,690 | 23.3% |
| 4 | Baldwin Energy ComplexRandolph County | 1,260 | 6,510 | 59.0% |
| 5 | NewtonJasper County | 617 | 3,713 | 68.6% |
| 6 | Archer Daniels Midland DecaturMacon County | 335 | 901 | 30.7% |
| 7 | DallmanSangamon County | 230 | 901 | 44.7% |
| 8 | MarionWilliamson County · Natural gas and coal | 99 | 767 | 35.2% |
| 9 | SIUCJackson County | 3.5 | 9.0 | 20.1% |
* Fewer than 12 months of 2025 reported, so the total is partial.
Projects where coal is the largest fuel or at least a fifth of nameplate capacity. MW is coal nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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