FieldProspects

Union County, Pennsylvania

Union County, Pennsylvania has 300 MW of data centers on record, planned to operating, across 4 records, against 12.7 MW of generation operating inside the county. The queue adds 200 MW of planned generation across 4 projects. That is 1.6% of Pennsylvania's data center MW.

Data as of Grid region: PJM InterconnectionRefreshed monthly
300MW
data centers, planned to operating
4
data center records, not cancelled
1.6%
of Pennsylvania's data center MW
12.7MW
operating generation, 5 projects
200MW
planned generation, 4 projects
1
data center developers active here
Map

Union County and its neighbors

Counties shaded by data center MW on record, planned to operating. 4 of its 6 neighboring counties have pages of their own. The rest are in the member database.

Northumberland no data centers Mifflin Lycoming no data centers Union 300 MW Centre no data centers Snyder no data centers Clinton
no data center MWunder 100 MW100 to 1,000 MW1,000 to 5,000 MW5,000 to 15,000 MW15,000 MW or more no page yet

Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers

Headline finding
23.6times

more data center MW than operating generation in the county. Union County's own plants cover 4.2% of the load on record, and the planned pipeline adds 200 MW.

Data centers, planned to operating300 MW
Operating generation12.7 MW
Planned generation200 MW

Data centers by status

4 records, 300 MW

Planned300 MW4 records, 100%
Who owns each of the 4 records?Campus names, developers and contacts are for members.See what members get

The data center pipeline

4 records list a year online or expected, from 2027 to 2029. The largest expected additions are 180 MW listed for 2028 and 80 MW for 2029.

Figure 1

Data center MW by year online or expected

Records not cancelled, by listed year. 2026 onward is planned or under construction.

Through 20252026 and later
050100150200 40 2027 180 2028 80 2029
View as table
YearRecordsMW
2027140
20282180
2029180
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026. 4 records with a year
Figure 2

Who is building in Union

Data center developers by MW on record. Top 1 of 1.

PNK Group 300 MW 4 sites
View as table
DeveloperSitesMW
PNK Group4300
Members see all 1 developer, each campus they own here, and the people who run their site selection and energy procurement.
Aggregates only. Campus names are for members.

Power generation in the county

5 plants operate inside Union County, 12.7 MW. The queue adds 200 MW across 4 projects.

Figure 3

Operating and planned generation by technology

MW in Union County

OperatingPlanned
SolarOperating 1.4 MW 1 project
SolarPlanned 200 MW 4 projects
Natural GasOperating 5.9 MW 2 projects
OilOperating 5.4 MW 2 projects
View as table
TechnologyStatusProjectsMW
SolarOperating11.4
SolarPlanned4200
Natural GasOperating25.9
OilOperating25.4
Operating: 12.7 MW. Planned: 200 MW. Even if every planned project is built, county generation would reach 212.7 MW against 300 MW of data centers.
Source: ISO queues and EIA-860M, via FieldProspects
Figure 4

Planned generation by listed in-service year

MW. Years before 2026 are past due.

Past dueDue 2026 or later
050100150200 200 2027
View as table
YearPlanned projectsMW
20274200
No planned project is past its listed year

Union County against its neighbors

None of the 4 neighboring counties with a page lists a data center record. Snyder County has the most operating generation among them, 1.3 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Union County this page 4
300
13
200 23.6x
Snyder County 0
0
1,270
1,268 0x
Lycoming County 0
0
949
910 0x
Northumberland County 0
0
132
155 0x
Centre County 0
0
28
853 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.

5 counties shown

What changed since June 4, 2026

5 projects in Union County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.

Open the change feed
0
added to a queue, 0 MW
0
came online, started construction or signed an interconnection agreement, 0 MW
5
cancelled, dropped or went inactive, 386 MW
0
slipped their in-service date, 0 MW

Every change in Union County

Project, what changed, technology, MW and the dates that moved, for all 5 changes.

Members only
County: Union County, PASince June 4, 2026 5 changes
ProjectChangeTechnologyMWPrevious dateNew date
5 changes behind this preview

Rows are hidden on public pages. Members see the project behind each change, its developer and the dates that moved.

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Every record in Union County

Campus or project name, developer, status, MW, year and the developer’s contacts, for all 13 records. Filter, sort and export to Excel.

Members only
County: Union County, PAStatus: all except cancelledSort: MW, largest first 13 records
Project or campusDeveloperStatusMWYearContacts
13 records and 512.7 MW behind this preview

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