Illinois · data as of 1 Nov 2026
Illinois: 1.7+ GW of existing data centers. 11.5+ GW in the pipeline.
129 projects tracked from county filings, state records and news. Status and permit facts link to their sources.
We haven't yet searched Illinois for data center projects beyond the ones we track here.
Operating
1.7+ GW
79 projects
Under construction
3.3+ GW
20 projects
Planned
8.2+ GW
29 projects
Proposed projects; not all will be built.
129
Projects tracked
all stages
13
Counties and cities with a project
see the table below
Projects by stage
| Stage | Projects | MW |
|---|---|---|
| Announced | 6 projects | 558+ MW |
| Land & zoning | 20 projects | 4.8+ GW |
| Power secured | 3 projects | 2.9 GW |
| Under construction | 20 projects | 3.3+ GW |
| Operating | 79 projects | 1.7+ GW |
| Withdrawn | 1 project | 100–500 MW |
| Total | 129 projects | 13.5+ GW |
+ = at least. MW includes Grounded Compute research (Q2 2026) where no public source gives a value.
Where the pipeline is
Counties shaded by MW
129 of 129 projects mapped · locations from our project list · as of 1 Nov 2026
County shading
- Under 500 MW
- 500–2,000 MW
- 2,000+ MW
Data center projects
- Planned
- Permitted
- Under construction
- Operating
- Withdrawn
Pin size: MW
Counties with the most MW
+ = at least
Moratoriums
As of 31 Oct 2026, we count at least 25 local data center pauses in force in Illinois, no bans and 11 proposals, across its counties, cities and townships. At state level: checked, nothing found.
Illinois moratorium tracker: every row with its sourceCounties with a project (13)
Counties with 3 or more projects have their own page
| County | Projects | Under construction or operating | MW |
|---|---|---|---|
| Cook County | 81 | 68 | 4.2+ GW |
| DuPage County | 29 | 26 | 787+ MW |
| DeKalb County | 4 | 1 | 722 MW |
| Kendall County | 4 | 2 | 1.5 GW |
| Grundy County | 2 | 0 | 1,000+ MW |
| Lake County | 2 | 2 | 1,000+ MW |
| Boone County | 1 | 0 | 100–500 MW |
| Kane County | 1 | 0 | under 100 MW |
| Logan County | 1 | 0 | 500–1,000 MW |
| Madison County | 1 | 0 | not reported |
| Sangamon County | 1 | 0 | 500–1,000 MW |
| Vermilion County | 1 | 0 | under 100 MW |
| Will County | 1 | 0 | 1,000+ MW |
| 13 counties | 129 | 99 | Calculated |
Projects
5 projects named free · 124 more in the Illinois file
| Developer · address | County | Stage | MW range | Dates | ID |
|---|---|---|---|---|---|
| Digital Realty · 350 East Cermak Road, Chicago | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0001 |
| Digital Realty · 600-780 S Federal Street, Chicago | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0002 |
| Prime Data Centers · 1701 Midway Court, Elk Grove Village | Cook County | Operating | 100–500 MWCampus total, counted once | Last change 31 Oct 2026 | IL-COO-0048 |
| Prime Data Centers · 1601 Midway Court, Elk Grove Village | Cook County | Operating | 100–500 MWCampus total, counted once | Last change 31 Oct 2026 | IL-COO-0056 |
| Meta · Metaverse Way, DeKalb | DeKalb County | Operating | 100–500 MW | First recorded 25 Oct 2026 | IL-DEK-0004 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0003 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0004 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0005 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0006 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0007 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0008 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0009 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0010 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0011 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0012 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0013 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0014 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0015 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0016 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0017 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0019 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0020 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0021 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0022 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0023 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0024 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0025 |
| Developer and address: in the paid file | Cook County | Operating | MW not reported | First recorded 25 Oct 2026 | IL-COO-0027 |
| Developer and address: in the paid file | Cook County | Operating | MW not reported | First recorded 25 Oct 2026 | IL-COO-0028 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0030 |
| Developer and address: in the paid file | Cook County | Operating | MW not reported | First recorded 25 Oct 2026 | IL-COO-0031 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0032 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0033 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0034 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0035 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0036 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0037 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0038 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0039 |
| Developer and address: in the paid file | Cook County | Operating | under 100 MW | First recorded 25 Oct 2026 | IL-COO-0040 |
| 89 more projects load as you scroll | |||||
124 more projects: names, developers and sources in the Illinois file →
FAQ
- How many data centers are under construction in Illinois?
- 20 of 129, as of 1 Nov 2026. 79 more operating.
- How much data center capacity is in Illinois's pipeline?
- 11.5+ GW in the pipeline (3.3+ GW under construction, 8.2+ GW planned), and 1.7+ GW operating. These are floors: where no public source gives a MW value, the total uses Grounded Compute research (Q2 2026).
- Which Illinois county has the most data center projects?
- Cook County: 81 projects.
Cite this page
Source: Grounded Compute, Illinois data centers, 1 Nov 2026. https://groundedcompute.com/us/illinois
The Illinois file: every tracked project, with its sources
- Illinois file: every project named, with developer and address
- MW, and source links on status and permit fields
- Excel workbook + CSV, refreshed monthly
Price set at launchIllinois · one named user · licences open soonJoin the waitlistFree sample county
Data centers in other states
Nearby
- Indiana (44 projects, 16.2+ GW)
- Iowa (38 projects, 9.7 GW)
- Missouri (34 projects, 7.0+ GW)
- Wisconsin (21 projects, 5.0+ GW)
- Kentucky (12 projects, 4.4 GW)
Largest