Winnebago County, Illinois
Winnebago County, Illinois has 0 MW of data centers on record, planned to operating, across 1 record, against 520.3 MW of generation operating inside the county. The queue adds 1.1 GW of planned generation across 9 projects, 3 of them past their listed in-service date.
Winnebago County and its neighbors
Counties shaded by data center MW on record, planned to operating. 3 of its 3 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: 0 MW of data centers against 520.3 MW of plants, with 1.1 GW more planned.
Data centers by status
1 record, 0 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 Winnebago
Data center developers by MW on record. Top 1 of 1.
View as table
| Developer | Sites | MW |
|---|---|---|
| Microsoft | 1 | 0 |
Power generation in the county
22 plants operate inside Winnebago County, 520.3 MW. The queue adds 1.1 GW across 9 projects, and 3 of them are past their listed in-service date.
Operating and planned generation by technology
MW in Winnebago County
View as table
| Technology | Status | Projects | MW |
|---|---|---|---|
| Battery Storage | Planned | 2 | 660 |
| Solar | Operating | 13 | 27.5 |
| Solar | Planned | 7 | 475.1 |
| Natural Gas | Operating | 4 | 488.7 |
| Biomass | Operating | 3 | 3 |
| Hydro | Operating | 2 | 1.1 |
Planned generation by listed in-service year
MW. Years before 2026 are past due. 2 planned projects list no date and are left out.
View as table
| Year | Planned projects | MW |
|---|---|---|
| 2023 | 1 | 120 |
| 2024 | 0 | 0 |
| 2025 | 2 | 554 |
| 2026 | 2 | 4.6 |
| 2027 | 2 | 6.5 |
Winnebago County against its neighbors
None of the 3 neighboring counties with a page lists a data center record. Ogle County has the most operating generation among them, 2.5 GW.
| County | Data center records | Data center MW | Operating generation MW | Planned generation MW | Data center MW per MW operating |
|---|---|---|---|---|---|
| Ogle County | 0 | 6,210 | 0x | ||
| Winnebago County this page | 1 | 1,135 | 0x | ||
| Stephenson County | 0 | 2 | 0x | ||
| Boone County | 0 | 76 | 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.
4 counties shownWhat changed since June 4, 2026
5 projects in Winnebago County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.
Every change in Winnebago County
Project, what changed, technology, MW and the dates that moved, for all 5 changes.
| 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 Winnebago County
Campus or project name, developer, status, MW, year and the developer’s contacts, for all 32 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 Winnebago County
We email you when a data center or power project in Winnebago 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 Winnebago County.
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