Union County, New Jersey
Union County, New Jersey has 52 MW of data centers on record, planned to operating, across 1 record, against 2.9 GW of generation operating inside the county. The queue adds 3.5 GW of planned generation across 8 projects. That is 6.4% of New Jersey's data center MW.
Union County and its neighbors
Counties shaded by data center MW on record, planned to operating. 5 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 generation operating in the county is matched by data center MW on record: 52 MW of data centers against 2.9 GW of plants, with 3.5 GW more planned.
Data centers by status
1 record, 52 MW
The data center pipeline
1 record list a year online or expected, from 2026 to 2026. The largest expected additions are 52 MW listed for 2026.
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 |
|---|---|---|
| 2026 | 1 | 52 |
Who is building in Union
Data center developers by MW on record. Top 1 of 1.
View as table
| Developer | Sites | MW |
|---|---|---|
| CoreWeave | 1 | 52 |
Power generation in the county
43 plants operate inside Union County, 2.9 GW. The queue adds 3.5 GW across 8 projects.
Operating and planned generation by technology
MW in Union County
View as table
| Technology | Status | Projects | MW |
|---|---|---|---|
| Natural Gas | Operating | 25 | 2,765.8 |
| Natural Gas | Planned | 6 | 3,476.7 |
| Municipal Solid Waste | Operating | 1 | 45 |
| Solar | Operating | 15 | 29.3 |
| Solar | Planned | 2 | 2.7 |
| Waste Heat | Operating | 1 | 11.2 |
| Oil | Operating | 1 | 2 |
Planned generation by listed in-service year
MW. Years before 2026 are past due. 4 planned projects list no date and are left out.
View as table
| Year | Planned projects | MW |
|---|---|---|
| 2026 | 2 | 2.7 |
| 2027 | 0 | 0 |
| 2028 | 0 | 0 |
| 2029 | 1 | 803.2 |
| 2030 | 1 | 806.4 |
Union County against its neighbors
Middlesex County has the most data center MW among the neighbors, 235.1 MW, more than Union County. 5 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 |
|---|---|---|---|---|---|
| Middlesex County | 5 | 16 | 0.08x | ||
| Hudson County | 4 | 350 | 0.07x | ||
| Union County this page | 1 | 3,479 | 0.02x | ||
| Morris County | 3 | 0 | 0.07x | ||
| Essex County | 3 | 0 | 0x | ||
| Somerset County | 0 | 3 | 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
2 projects 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 2 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 Union County
Campus or project name, developer, status, MW, year and the developer’s contacts, for all 52 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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