Madison County, Iowa
Madison County, Iowa has 228 MW of data centers on record, planned to operating, across 4 records, against 137.2 MW of generation operating inside the county. Nothing is in the interconnection queue for the county. That is 3% of Iowa's data center MW.
Madison County and its neighbors
Counties shaded by data center MW on record, planned to operating. 3 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
more data center MW than operating generation in the county. Madison County's own plants cover 60.2% of the load on record, and nothing is in the queue.
Data centers by status
4 records, 228 MW
The data center pipeline
None of the 4 records 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 |
|---|---|---|
| Microsoft | 4 | 228 |
Power generation in the county
9 plants operate inside Madison County, 137.2 MW. Nothing is in the queue for the county.
Operating and planned generation by technology
MW in Madison County
View as table
| Technology | Status | Projects | MW |
|---|---|---|---|
| Wind | Operating | 1 | 119.6 |
| Oil | Operating | 5 | 10 |
| Natural Gas | Operating | 3 | 7.6 |
Madison County against its neighbors
Warren County has the most data center MW among the neighbors, 285 MW, more than Madison County. 2 of the 3 have more generation operating than data center MW on record.
| County | Data center records | Data center MW | Operating generation MW | Planned generation MW | Data center MW per MW operating |
|---|---|---|---|---|---|
| Warren County | 5 | 0 | 6.4x | ||
| Madison County this page | 4 | 0 | 1.7x | ||
| Adair County | 1 | 526 | 0.17x | ||
| Union County | 0 | 140 | 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 shownEvery record in Madison County
Campus or project name, developer, status, MW, year and the developer’s contacts, for all 13 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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