Union County, OH: 100–500 MW of existing data centers. 500–1,000 MW in the pipeline.
- As of 1 Nov 2026
- 4 projects: 1 land & zoning, 1 under construction, 2 operating
We haven't yet searched Ohio for data center projects beyond the ones we track here.
At a glance · Calculated
Operating
100–500 MW
2 projects
Under construction
100–500 MW
1 project
Planned
500–1,000 MW
1 project
Proposed projects; not all will be built.
Source: Grounded Compute, Union County OH data centers, 1 Nov 2026. https://groundedcompute.com/us/ohio/union-county
Map · Union County
4 of 4 projects mapped · locations from our project list · as of 1 Nov 2026
County shading
- Under 500 MW
- 500–2,000 MW
- 2,000+ MW
Data center projects
- Planned
- Permitted
- Under construction
- Operating
- Withdrawn
Pin size: MW
MW: Union and its neighbours
Projects (4)
| Developer · address | Stage | MW range | Dates | ID |
|---|---|---|---|---|
| Developer and address: in the paid file | Operating | 100–500 MW | First recorded 25 Oct 2026 | OH-UNI-0001 |
| Developer and address: in the paid file | Operating | 100–500 MW | Last change 31 Oct 2026 | OH-UNI-0002 |
| Developer and address: in the paid file | Under construction | 100–500 MW | Last change 31 Oct 2026 | OH-UNI-0003 |
| Developer and address: in the paid file | Land & zoning | 500–1,000 MW | Last change 31 Oct 2026 | OH-UNI-0004 |
4 more projects: names, developers and sources in the Ohio file →
The Ohio file: every tracked project, with its sources
- Ohio file: every project named, with developer and address
- MW, and source links on status and permit fields
- Excel workbook + CSV, refreshed monthly