EIA state data · 2025
Illinois Electricity Generation
Net electricity generation in Illinois totaled 193,409 GWh in 2025 (EIA Forms 923, 860, and 861 aggregated to calendar year). Rank among U.S. states and DC: #5. Renewable share (wind, solar, hydro, geothermal, wood, other biomass): 17.6%.
Generation by fuel (2025)
| Fuel / technology | Generation (GWh) |
|---|---|
| Nuclear | 97,670 |
| Natural Gas | 32,567 |
| Coal | 30,895 |
| Wind | 25,011 |
| Solar | 8,750 |
| Other biomass | 252 |