Johnson County, Illinois
Johnson County, Illinois has 6 power projects in the FieldProspects database, all of them planned, 835.9 MW in total, with no operating plant on record in the county. No data center record lists the county. Solar leads with 635.9 MW across 5 projects.
Johnson County and its neighbors
Counties shaded by data center MW on record, planned to operating. 2 of its 5 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 planned generation across 6 projects, with no operating plant on record inside Johnson County. 4 projects are past their listed in-service date.
Technology mix
6 projects, 835.9 MW planned and operating
Power generation in the county
No operating plant is on record inside Johnson County. The queue adds 835.9 MW across 6 projects, and 4 of them are past their listed in-service date.
Operating and planned generation by technology
MW in Johnson County
View as table
| Technology | Status | Projects | MW |
|---|---|---|---|
| Solar | Planned | 5 | 635.9 |
| Battery Storage | Planned | 1 | 200 |
Planned generation by listed in-service year
MW. Years before 2026 are past due.
View as table
| Year | Planned projects | MW |
|---|---|---|
| 2024 | 1 | 150 |
| 2025 | 3 | 550 |
| 2026 | 0 | 0 |
| 2027 | 1 | 35.9 |
| 2028 | 1 | 100 |
Johnson County against its neighbors
None of the 2 neighboring counties with a page lists a data center record. Williamson County has the most operating generation among them, 266.3 MW.
| County | Data center records | Data center MW | Operating generation MW | Planned generation MW | Data center MW per MW operating |
|---|---|---|---|---|---|
| Williamson County | 0 | 262 | 0x | ||
| Pulaski County | 0 | 592 | 0x | ||
| Johnson County this page | 0 | 836 | no operating MW |
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.
3 counties shownEvery record in Johnson County
Project name, developer, status, MW, in-service year and the developer’s contacts, for all 6 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 Johnson County
We email you when a data center or power project in Johnson 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 Johnson County.
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