List of power stations in Illinois

In 2022, Illinois had a total summer capacity of 44,163 MW and a net generation of 185,223 GWh through all of its power plants.

[2] In 2023, the electrical energy generation mix was approximately 54.9% nuclear, 15.9% natural gas, 15.3% coal, 12.4% wind, 1.1% solar, 0.2% biomass, 0.2% petroleum & other gases, 0.1% hydroelectric, and 0.1% other.

Small-scale solar, which includes customer-owned photovoltaic panels, delivered an additional net 1,536 GWh of energy to the state's electrical grid in 2023.

[3] Legislation in 2016 and 2021 provided state financial incentives which delayed the closure of several plants.

Data from the U.S. Energy Information Administration serves as a general reference.