Union County, Arkansas
Union County, Arkansas has 18 power projects in the FieldProspects database: 13 operating plants totaling 2.4 GW and 5 planned projects totaling 1.5 GW. No data center record lists the county. Natural Gas leads with 3.2 GW across 13 projects.
Union County and its neighbors
Counties shaded by data center MW on record, planned to operating. 4 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 the county's operating generation is in the queue as new capacity: 1.5 GW planned across 5 projects against 2.4 GW operating.
Technology mix
18 projects, 3.9 GW planned and operating
Power generation in the county
13 plants operate inside Union County, 2.4 GW of natural gas and solar. The queue adds 1.5 GW across 5 projects.
Operating and planned generation by technology
MW in Union County
View as table
| Technology | Status | Projects | MW |
|---|---|---|---|
| Natural Gas | Operating | 12 | 2,428 |
| Natural Gas | Planned | 1 | 770 |
| Solar | Operating | 1 | 1.8 |
| Solar | Planned | 3 | 600 |
| Battery Storage | Planned | 1 | 100 |
Planned generation by listed in-service year
MW. Years before 2026 are past due.
View as table
| Year | Planned projects | MW |
|---|---|---|
| 2028 | 5 | 1,470 |
Union County against its neighbors
None of the 4 neighboring counties with a page lists a data center record. Ashley County has the most operating generation among them, 236.2 MW.
| County | Data center records | Data center MW | Operating generation MW | Planned generation MW | Data center MW per MW operating |
|---|---|---|---|---|---|
| Union County this page | 0 | 1,470 | 0x | ||
| Ashley County | 0 | 450 | 0x | ||
| Ouachita County | 0 | 901 | 0x | ||
| Calhoun County | 0 | 1,060 | 0x | ||
| Columbia County | 0 | 762 | 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.
5 counties shownWhat changed since June 4, 2026
1 project in Union County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.
Every change in Union 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 Union County
Project name, developer, status, MW, in-service year and the developer’s contacts, for all 18 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 Union County
We email you when a data center or power project in Union 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 Union County.
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