Largest Power Plants in Illinois

Illinois has 566 power plants with a combined nameplate capacity of 53,815 MW. The table below ranks the 50 largest by installed capacity — these are the facilities with the most generation potential in the state. Nameplate capacity measures the maximum output under ideal conditions; actual generation depends on fuel cost, demand, and maintenance schedules.

For a complete list of all plants in the state, visit the Illinois state page. To find plants near a specific address, use the address lookup.

#PlantStateFuelCapacity
1Braidwood Generation StationIllinoisNuclear2,450 MW
2Byron Generating StationIllinoisNuclear2,450 MW
3Lasalle Generating StationIllinoisNuclear2,340 MW
4Dresden Generating StationIllinoisNuclear2,019 MW
5Quad Cities Generating StationIllinoisNuclear2,019 MW
6PowertonIllinoisCoal1,786 MW
7Prairie State Generating StationIllinoisCoal1,766 MW
8Elwood Energy LlcIllinoisNatural Gas1,728 MW
9Joliet 29IllinoisNatural Gas1,320 MW
10Kincaid Generation LlcIllinoisCoal1,319 MW
11Cpv Three Rivers Energy CenterIllinoisNatural Gas1,300 MW
12Jackson Generation, LlcIllinoisNatural Gas1,289 MW
13Baldwin Energy ComplexIllinoisCoal1,260 MW
14Kendall County Generation FacilityIllinoisNatural Gas1,256 MW
15Clinton Power StationIllinoisNuclear1,138 MW
16AuroraIllinoisNatural Gas1,086 MW
17University Park NorthIllinoisNatural Gas726 MW
18Holland Energy FacilityIllinoisNatural Gas702 MW
19Lincoln Generating FacilityIllinoisNatural Gas692 MW
20Lee Energy FacilityIllinoisNatural Gas692 MW
21Goose Creek Energy CenterIllinoisNatural Gas684 MW
22Grand Tower Energy Center LlcIllinoisNatural Gas641 MW
23Nelson Energy CenterIllinoisNatural Gas628 MW
24NewtonIllinoisCoal617 MW
25Cordova EnergyIllinoisNatural Gas611 MW
26Zion Energy CenterIllinoisNatural Gas597 MW
27Double Back DiamondIllinoisSolar593 MW
28VeniceIllinoisNatural Gas586 MW
29Mrp Elgin LlcIllinoisNatural Gas540 MW
30Shelby Energy CountyIllinoisNatural Gas483 MW
31Raccoon Creek Energy CenterIllinoisNatural Gas456 MW
32DallmanIllinoisCoal437 MW
33Mrp Rocky Road LlcIllinoisNatural Gas416 MW
34Southeast Chicago Energy ProjectIllinoisNatural Gas407 MW
35PinckneyvilleIllinoisNatural Gas380 MW
36Invenergy Nelson Expansion LlcIllinoisNatural Gas380 MW
37Joliet 9IllinoisNatural Gas360 MW
38Crete Energy Venture LlcIllinoisNatural Gas356 MW
39University Park SouthIllinoisNatural Gas353 MW
40Archer Daniels Midland DecaturIllinoisCoal335 MW
41Nrg Rockford IIllinoisNatural Gas316 MW
42Calumet Energy Team LlcIllinoisNatural Gas313 MW
43Lincoln Land WindIllinoisWind302 MW
44Streator Cayuga Ridge SouthIllinoisWind300 MW
45Radfords Run Wind FarmIllinoisWind278 MW
46Gibson City Energy Center LlcIllinoisNatural Gas270 MW
47KinmundyIllinoisNatural Gas270 MW
48Fisk StreetIllinoisOil260 MW
49Sapphire Sky Wind Energy LlcIllinoisWind260 MW
50Blooming Grove Wind Energy CenterIllinoisWind250 MW

Cite this page

PowerPlantsNearMe.com. (2026). Largest Power Plants in Illinois. Derived from EIA Form 860, EIA Form 923, and EPA eGRID. Retrieved from https://powerplantsnearme.com/largest-power-plants/illinois

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