Marion County, Indiana
Marion County, Indiana has 404.3 MW of data centers on record, planned to operating, across 7 records, against 1.5 GW of generation operating inside the county. The queue adds 280 MW of planned generation across 2 projects. That is 2.4% of Indiana's data center MW.
Marion County and its neighbors
Counties shaded by data center MW on record, planned to operating. 5 of its 7 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: 404.3 MW of data centers against 1.5 GW of plants, with 280 MW more planned.
Data centers by status
7 records, 404.3 MW
The data center pipeline
4 records list a year online or expected, from 2028 to 2031. The largest expected additions are 139 MW listed for 2028 and 125 MW for 2030. 3 records list no year.
Data center MW by year online or expected
Records not cancelled, by listed year. 2026 onward is planned or under construction.
View as table
| Year | Records | MW |
|---|---|---|
| 2028 | 2 | 139 |
| 2029 | 0 | 0 |
| 2030 | 1 | 125 |
| 2031 | 1 | 56 |
Who is building in Marion
Data center developers by MW on record. Top 4 of 4.
View as table
| Developer | Sites | MW |
|---|---|---|
| Sabey | 2 | 250 |
| Metrobloks | 1 | 75 |
| DC Blox | 2 | 70 |
| DataBank | 2 | 9 |
Power generation in the county
37 plants operate inside Marion County, 1.5 GW. The queue adds 280 MW across 2 projects.
Operating and planned generation by technology
MW in Marion County
View as table
| Technology | Status | Projects | MW |
|---|---|---|---|
| Natural Gas | Operating | 11 | 1,335 |
| Battery Storage | Operating | 1 | 20 |
| Battery Storage | Planned | 2 | 280 |
| Solar | Operating | 18 | 92.2 |
| Oil | Operating | 6 | 59.7 |
| Municipal Solid Waste | Operating | 1 | 6.5 |
Planned generation by listed in-service year
MW. Years before 2026 are past due.
View as table
| Year | Planned projects | MW |
|---|---|---|
| 2026 | 1 | 130 |
| 2027 | 1 | 150 |
Marion County against its neighbors
Morgan County has the most data center MW among the neighbors, 1.2 GW, more than Marion County. 2 of the 5 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 |
|---|---|---|---|---|---|
| Morgan County | 6 | 264 | 1.9x | ||
| Shelby County | 1 | 199 | 4.4x | ||
| Hendricks County | 4 | 0 | 18.6x | ||
| Marion County this page | 7 | 280 | 0.27x | ||
| Hamilton County | 0 | 400 | 0x | ||
| Johnson County | 0 | 0 | 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.
6 counties shownWhat changed since June 4, 2026
1 project in Marion County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.
Every change in Marion 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 Marion County
Campus or project name, developer, status, MW, year and the developer’s contacts, for all 46 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 Marion County
We email you when a data center or power project in Marion 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 Marion County.
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