IL · US STATE

Illinois
power plants.

Illinois has 205 power plants in our public-data catalog, totalling 49 GW of tracked capacity. Its generating fleet leans on natural gas — 38.7% of tracked capacity, with nuclear second at 25.3%. The largest plant we track is Braidwood Generation Station (2,450 MW, online since 1988).

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205 Tracked plants
49 GW Tracked capacity
Natural Gas Leading fuel
11 Fuel types

Illinois electricity mix

Tracked installed capacity by fuel. Each links to its global page.

Natural Gas 38.7% 19 GW Nuclear 25.3% 12.4 GW Coal 22.9% 11.2 GW Wind 10.7% 5.2 GW Oil 1.4% 0.7 GW Hydro 0.3% 0.2 GW Battery Storage 0.2% 0.1 GW Waste-to-Energy 0.2% 0.1 GW Other 0.2% 0.1 GW Solar 0.1% 0 GW Biomass 0% 0 GW

Largest plants in Illinois

01 Braidwood Generation Station Nuclear · 1988 2,450 MW 02 Byron Generating Station Nuclear · 1986 2,450 MW 03 LaSalle Generating Station Nuclear · 1984 2,340 MW 04 Dresden Generating Station Nuclear · 1970 2,019 MW 05 Quad Cities Generating Station Nuclear · 1973 2,019 MW 06 Baldwin Energy Complex Coal · 1972 1,894 MW 07 Powerton Coal · 1973 1,786 MW 08 Prairie State Generating Station Coal · 2012 1,766 MW 09 Elwood Energy LLC Natural Gas · 2000 1,728 MW 10 Joliet 29 Natural Gas · 1965 1,320 MW 11 Kincaid Generation LLC Coal · 1967 1,319 MW 12 Kendall County Generation Facility Natural Gas · 2002 1,256 MW
Every tracked plant in Illinois, on one live map OPEN IN NRGMAP →

Frequently asked questions

Where does Illinois get its electricity?

Across the 205 plants we track in Illinois, capacity is led by natural gas at 38.7%, then nuclear at 25.3%. These are tracked installed-capacity shares from public data, not live generation.

What is the largest power plant in Illinois?

The largest plant in our Illinois catalog is Braidwood Generation Station, a nuclear facility with 2,450 MW (commissioned 1988).

How many power plants are in Illinois?

Our catalog tracks 205 power plants in Illinois totalling 49 GW, built from EIA, WRI and OpenStreetMap. The true total including the smallest installations is higher.

Nearby in scale

Florida 181 plants Pennsylvania 214 plants

Biggest states

Texas 133 GW California 78.3 GW Florida 65.3 GW Pennsylvania 47.7 GW Georgia 39.2 GW New York 38.4 GW

More

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