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Illinois Solar, Wind and Batteries

Utility-scale renewable and storage capacity in Illinois, as of August 2026 (EIA-860M). Rooftop solar is not included.

Solar
5.2 GW
457 plants
Wind
8.7 GW
58 plants
Battery storage
102 MW
8 plants
Hydroelectric
38.3 MW
8 plants

Capacity by type

Share of all 52.8 GW of operating capacity in Illinois

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TypeCapacityPlantsShare
Solar5.2 GW4579.9%
Wind8.7 GW5816.4%
Battery storage102 MW80.2%
Hydroelectric38.3 MW80.1%
Biomass61.3 MW120.1%

Largest solar farms

Operating capacity (AC)

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#PlantCapacity
1Double Back DiamondSangamon593 MW
2Archtop SolarFord287 MW
3Emily Solar, LLCCumberland274 MW
4Maple FlatsClay250 MW
5Prairie Wolf Solar LLCColes200 MW
6River Ferry Solar 1Clark165 MW
7Eldorado Solar ISaline150 MW
8Boomtown Renewable Energy CenterWhite150 MW
9Cass County Renewable Energy CenterCass150 MW
10Pleasantville Solar ParkFulton150 MW
11Tilden SolarRandolph150 MW
12Big River SolarWhite149 MW
13Wolf Run SolarMorgan140 MW
14Prairie Solar LLCChampaign135 MW
15Eldorado Solar IISaline120 MW

Largest wind farms

Operating capacity

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#PlantCapacity
1Lincoln Land WindSangamon302 MW
2Streator Cayuga Ridge SouthLivingston300 MW
3Prosperity WindPiatt300 MW
4Radfords Run Wind FarmDewitt278 MW
5Sapphire Sky Wind Energy LLCDeWitt260 MW
6Blooming Grove Wind Energy CenterLivingston250 MW
7Big Sky Wind LLCBureau239 MW
8FPL Energy Illinois Wind LLC HybridDeKalb238 MW
9California Ridge Wind Energy LLCVermilion217 MW
10Old Trail Wind FarmMcLean214 MW
11Walnut Ridge Wind FarmBureau212 MW
12High Trail Wind Farm LLCMcLean211 MW
13Grand Ridge Wind Energy CenterLaSalle210 MW
14Bright Stalk Wind Farm IMcLean205 MW
15Top Hat WindLogan204 MW

Largest battery storage plants

Operating power capacity

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#PlantCapacity
1Grand Ridge Battery ProjectsLaSalle36.0 MW
2McHenry Battery StorageMcHenry20.0 MW
3Marengo Battery Storage LLCMcHenry20.0 MW

New projects

Solar, wind and battery plants with generators that started in 2025 or 2026

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PlantTypeAddedYear
Archtop SolarSolar287 MW2026
Lotus WindWind200 MW2026
Prairie Solar LLCSolar135 MW2026
Crooked Creek PV ISolar99.0 MW2026
Cooks Mill PV ISolar99.0 MW2026
Newton Solar Bess LLCSolar53.8 MW2026
NL Il - Esmen East CSGSolar5.0 MW2026
AC Il - Hillsboro CSGSolar5.0 MW2026
Paris Solar, LLC (CSG)Solar5.0 MW2026
Kn07Solar5.0 MW2026
Sunset Road Solar 3 Community SolarSolar5.0 MW2026
Big Creek Solar (IL) (CSG)Solar5.0 MW2026
Kanesolar01 LLCSolar5.0 MW2026
Ashley Solar LLC PVSolar5.0 MW2026
Gracy Solar 1, LLCSolar5.0 MW2026

Planned capacity

Planned or under construction, by expected year

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YearSolarWindBatteriesAll planned
20261.4 GW573 MW0.0 MW1.9 GW
2027765 MW975 MW10.5 MW1.8 GW
2028545 MW617 MW150 MW1.3 GW
20291.4 GW178 MW0.0 MW1.5 GW
20300.0 MW0.0 MW0.0 MW1.3 GW

Planned dates come from developers and often change. Capacity counts generators of 1 MW or more; smaller community solar and rooftop systems are not included.

Frequently asked questions

How much solar power does Illinois have?
Illinois has 5.2 GW of operating utility-scale solar at 457 plants. The largest is Double Back Diamond at 593 MW.
Does Illinois have wind farms?
Yes. Illinois has 8.7 GW of wind capacity at 58 plants.
How much of Illinois's electricity comes from renewable sources?
Renewable plants produced 13.5% of the electricity generated in Illinois in 2023, according to EPA eGRID.

Source: U.S. Energy Information Administration, Form EIA-860M; U.S. EPA eGRID · Data for August 2026