FieldProspects

Illinois counties: power projects and data centers

Illinois has 80 county pages on FieldProspects, one for every county with at least three power projects. Across the state, 512 planned projects add up to 97.2 GW and 1,092 operating projects to 53.9 GW. 112 data center records list Illinois, 11.3 GW planned to operating, led by Kendall County with 2.4 GW.

Data as of Refreshed monthly
80
county pages, three or more projects each
97.2GW
planned generation, 512 projects
53.9GW
operating generation, 1,092 projects
112
data center records, not cancelled
11.3GW
of data centers, planned to operating
Map

Data center MW by county in Illinois

Counties with a page are shaded by the MW of data centers on record, planned to operating. Click a county to open its page.

no data center MWunder 100 MW100 to 1,000 MW1,000 to 5,000 MW5,000 to 15,000 MW15,000 MW or more no page yet
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, October 8, 2026 snapshot. Hover a county for its numbers

Every county page in Illinois

Projects, generation and data center records for each county with a page. Counties with fewer than three projects are in the member database only.

County Projects Planned generation MW Operating generation MW Data center records Data center MW
Adams County 13 900 12 0 0
Boone County 12 76 18 0 0
Bureau County 27 164 752 0 0
Cass County 4 150 157 0 0
Champaign County 48 1,273 272 0 0
Christian County 18 2,368 1,330 0 0
Clark County 20 1,059 189 0 0
Clay County 24 1,227 726 0 0
Clinton County 24 228 47 0 0
Coles County 10 1,298 301 0 0
Cook County 114 510 1,364 48 2,156
Crawford County 3 250 7 0 0
Cumberland County 6 760 274 0 0
De Witt County 3 371 0 0 0
DeKalb County 38 966 306 7 244
DeWitt County 15 185 1,896 0 0
DuPage County 27 14 1,107 8 340
Edgar County 7 916 6 0 0
Effingham County 4 0 7 1 0
Fayette County 14 1,198 101 0 0
Ford County 14 377 867 0 0
Fulton County 9 1,721 157 0 0
Grundy County 30 361 3,548 11 2,364
Hamilton County 7 540 6 0 0
Henry County 23 508 551 0 0
Iroquois County 8 993 303 0 0
Jackson County 7 251 10 0 0
Jasper County 9 874 671 0 0
Jefferson County 5 555 2 0 0
Jo Daviess County 5 0 9 0 0
Johnson County 6 836 0 0 0
Kane County 44 17 496 0 0
Kankakee County 46 2,064 248 0 0
Kendall County 16 960 1,266 4 2,400
Knox County 13 855 16 0 0
Lake County 17 640 733 1 28
LaSalle County 54 4,642 2,824 0 0
Lawrence County 3 0 9 0 0
Lee County 48 11,757 2,285 0 0
Livingston County 28 1,811 915 0 0
Logan County 11 666 726 1 500
Macon County 23 1,422 422 0 0
Macoupin County 11 903 227 0 0
Madison County 22 233 701 1 500
Marion County 10 648 372 0 0
Marshall County 11 491 146 0 0
Mason County 14 1,433 412 0 0
McDonough County 18 225 171 0 0
McHenry County 41 2,017 89 0 0
McLean County 26 2,666 796 0 0
Mercer County 6 488 10 0 0
Monroe County 14 0 38 0 0
Montgomery County 11 885 56 0 0
Morgan County 10 534 183 0 0
Moultrie County 11 0 24 0 0
Ogle County 37 6,210 2,502 0 0
Peoria County 25 2,111 47 0 0
Perry County 24 1,718 535 0 0
Piatt County 12 476 988 0 0
Pike County 4 101 78 0 0
Pulaski County 3 592 5 0 0
Putnam County 7 547 4 0 0
Randolph County 17 417 1,504 0 0
Rock Island County 20 1,383 2,705 0 0
Saline County 11 1,139 270 0 0
Sangamon County 20 3,429 1,313 4 636
Scott County 10 1,002 173 0 0
Shelby County 17 1,025 1,185 0 0
St Clair County 33 655 1,821 0 0
Stark County 4 500 154 0 0
Stephenson County 32 2 270 0 0
Tazewell County 27 2,568 1,898 0 0
Vermilion County 19 743 521 0 0
Washington County 5 735 5 0 0
White County 14 702 312 0 0
Whiteside County 32 747 64 0 0
Will County 89 7,266 8,089 25 2,100
Williamson County 17 262 266 0 0
Winnebago County 31 1,135 520 1 0
Woodford County 7 1,878 200 0 0

Data center MW counts records planned, under construction and operating. Generation is inside the county only.

80 counties shown

Open every project, campus and contact in Illinois.

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