Brownfield & Retired Power Plant Sites in Illinois
68 catalogued brownfield and retired-generation sites in Illinois, listed by former capacity. Each carries an existing utility-scale grid interconnection that a new datacenter load may be able to re-use.
| Site | Former use | Capacity | Retired | County |
|---|---|---|---|---|
| Collins | gas | 2,650 MW | 2004-10-01 | Grundy |
| Joliet 29 | gas | 1,320 MW | 2023-09-01 | Will |
| Will County | coal | 1,269 MW | 2022-06-01 | Will |
| Coffeen | coal | 1,005 MW | 2019-11-01 | Montgomery |
| Crawford | coal | 805 MW | 2012-08-01 | Cook |
| Waukegan | coal | 803 MW | 2022-06-01 | Lake |
| Havana | coal | 718 MW | 2019-11-01 | Mason |
| Wood River | coal | 650 MW | 2016-05-01 | Madison |
| Grand Tower Energy Center LLC | gas | 641 MW | 2024-04-01 | Jackson |
| Baldwin Energy Complex | coal | 635 MW | 2020-08-01 | Randolph |
| Newton | coal | 617 MW | 2016-09-01 | Jasper |
| Venice | oil | 512 MW | 2011-09-01 | Madison |
| Joliet 9 | gas | 508 MW | 2023-06-01 | Will |
| Southeast Chicago Energy Project | gas | 407 MW | 2024-03-01 | Cook |
| Zion Energy Center | gas | 398 MW | — | Lake |
| Dallman | coal | 388 MW | 2024-03-01 | Sangamon |
| Fisk Street | coal | 374 MW | 2012-08-01 | Cook |
| Hennepin Power Station | coal | 306 MW | 2019-11-01 | Putnam |
| Electric Junction | gas | 304 MW | 2004-12-01 | DuPage |
| Calumet | gas | 278 MW | 2004-12-01 | Cook |
| Vermilion | coal | 197 MW | 2011-11-01 | Vermilion |
| Marion | coal | 173 MW | 2020-11-01 | Williamson |
| Bloom | oil | 152 MW | 2003-01-01 | Cook |
| Sabrooke | oil | 150 MW | 2004-12-01 | Winnebago |
| Lombard | oil | 133 MW | 2004-12-01 | DuPage |
| Stallings | gas | 95 MW | 2013-01-01 | Madison |
| Lakeside | coal | 75 MW | 2009-10-01 | Sangamon |
| Freedom Power Project | gas | 71 MW | 2024-05-01 | Fayette |
| Oglesby | gas | 70 MW | 2013-01-01 | LaSalle |
| Archer Daniels Midland Peoria | gas | 46 MW | 2017-12-01 | Peoria |
| Depue/New Jersey Zince/Mobil Chemical Corp. | superfund | 26 MW | — | — |
| Pearl Station | coal | 22 MW | 2012-06-01 | Pike |
| City of Peru Water Street Generating Sta | oil | 19 MW | 2011-12-01 | Lasalle |
| Orchard Hills Renewable Energy Station | gas | 16 MW | 2022-03-01 | Ogle |
| Lockport Powerhouse | hydro | 16 MW | 1950-01-01 | Will |
| Rantoul | oil | 16 MW | 2017-03-01 | Champaign |
| Belleville Landfill Project | landfill | 13 MW | — | — |
| South Main Street | gas | 12 MW | 2003-08-01 | Ogle |
| Exelon City Solar | brownfield | 10 MW | — | — |
| Pittsfield | oil | 9 MW | 2011-12-01 | Pike |
| City of Peru Plank Road Generating Station | oil | 8 MW | 2011-04-01 | LaSalle |
| ITT Cogen Facility | gas | 7 MW | 2024-12-01 | Cook |
| Zion Landfill Gas to Energy Facility | gas | 7 MW | 2021-01-01 | Lake |
| Solar Star Urbana Landfill Community Solar Farm | landfill | 5 MW | — | — |
| Prairie View IL | gas | 5 MW | 2022-07-01 | Will |
| Archer Daniels Midland Taylorville | gas | 5 MW | 2003-01-01 | Christian |
| 1515 S Caron Road | gas | 4 MW | 2022-03-01 | Ogle |
| Highland | oil | 4 MW | 2023-03-01 | Madison |
| Bunge Oil | gas | 4 MW | 2017-06-01 | Kankakee |
| Greene Valley Gas Recovery | gas | 3 MW | 2010-02-01 | DuPage |
| MPEA Energy Center | gas | 3 MW | 2016-01-01 | Cook |
| Lake Gas Recovery | gas | 3 MW | 2008-10-01 | Cook |
| University of Illinois Abbott Power Plt | gas | 3 MW | 2003-12-01 | Champaign |
| CID Gas Recovery | gas | 3 MW | 2011-04-01 | Cook |
| Carlyle | oil | 3 MW | 2017-08-01 | Clinton |
| Galesburg | gas | 3 MW | 2012-01-01 | Knox |
| Carmi | oil | 3 MW | 2019-12-01 | White |
| General Motors Solar | landfill | 3 MW | — | — |
| Rockford Community Solar | landfill | 3 MW | — | — |
| Breese | oil | 2 MW | 2003-01-01 | Clinton |
| Geneva Generation Facility | oil | 2 MW | 2011-11-01 | Kane |
| American Bottoms Solar Project | power_plant | 2 MW | — | — |
| Fuyao Glass Illinois Inc. | oil | 1 MW | 2005-12-01 | Macon |
| Marshall (IL) | oil | 1 MW | 2006-02-01 | Clark |
| Sullivan (IL) | oil | 1 MW | 2023-09-01 | Moultrie |
| Red Bud | oil | 1 MW | 2001-10-01 | Randolph |
| North Ninth Street | gas | 1 MW | 2002-10-01 | Ogle |
| Gobnob Wind Turbine Project | mine | 1 MW | — | — |
See all datacenter candidate sites in Illinois →
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for brownfield sites in Illinois. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.