Madison County, Illinois
Madison County, Illinois has 500 MW of data centers on record, planned to operating, across 1 record, against 701.2 MW of generation operating inside the county. The queue adds 232.5 MW of planned generation across 3 projects. That is 4.4% of Illinois's data center MW.
Madison County and its neighbors
Counties shaded by data center MW on record, planned to operating. 4 of its 6 neighboring counties have pages of their own. The rest are in the member database.
Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers
of the generation operating in the county is matched by data center MW on record: 500 MW of data centers against 701.2 MW of plants, with 232.5 MW more planned.
Data centers by status
1 record, 500 MW
The data center pipeline
None of the 1 record lists a year online or expected, so the pipeline is shown by developer only.
Who is building in Madison
Data center developers by MW on record. Top 1 of 1.
View as table
| Developer | Sites | MW |
|---|---|---|
| Cloverleaf Infrastructure | 1 | 500 |
Power generation in the county
19 plants operate inside Madison County, 701.2 MW. The queue adds 232.5 MW across 3 projects.
Operating and planned generation by technology
MW in Madison County
View as table
| Technology | Status | Projects | MW |
|---|---|---|---|
| Natural Gas | Operating | 4 | 586 |
| Battery Storage | Planned | 1 | 225 |
| Other | Operating | 1 | 78 |
| Solar | Operating | 7 | 20 |
| Solar | Planned | 2 | 7.5 |
| Oil | Operating | 7 | 17.2 |
Planned generation by listed in-service year
MW. Years before 2026 are past due.
View as table
| Year | Planned projects | MW |
|---|---|---|
| 2026 | 1 | 2.5 |
| 2027 | 1 | 5 |
| 2028 | 1 | 225 |
Madison County against its neighbors
None of the 4 neighboring counties with a page lists a data center record. St Clair County has the most operating generation among them, 1.8 GW.
| County | Data center records | Data center MW | Operating generation MW | Planned generation MW | Data center MW per MW operating |
|---|---|---|---|---|---|
| Madison County this page | 1 | 233 | 0.71x | ||
| St Clair County | 0 | 655 | 0x | ||
| Macoupin County | 0 | 903 | 0x | ||
| Montgomery County | 0 | 885 | 0x | ||
| Clinton County | 0 | 228 | 0x |
Data center MW counts records planned, under construction and operating. Generation is inside the county only. Neighbors without a page have fewer than three projects on record.
5 counties shownWhat changed since June 4, 2026
1 project in Madison County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.
Every change in Madison County
Project, what changed, technology, MW and the dates that moved, for all 1 change.
| Project | Change | Technology | MW | Previous date | New date |
|---|---|---|---|---|---|
Rows are hidden on public pages. Members see the project behind each change, its developer and the dates that moved.
Every record in Madison County
Campus or project name, developer, status, MW, year and the developer’s contacts, for all 23 records. Filter, sort and export to Excel.
| Project or campus | Developer | Status | MW | Year | Contacts |
|---|---|---|---|---|---|
Rows are hidden on public pages. Members see every field and can export up to 1,000 rows a month on Solo, unlimited on Unlimited.
Get alerts for Madison County
We email you when a data center or power project in Madison County is added, changes status, signs an interconnection agreement or slips its date. One email per snapshot, only when something changed.
Open every campus, project and contact in Madison County.
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