Union County, PA interconnection queue
4 interconnection applications are pending in Union County, PA, requesting 200 MW of new generating capacity, as of 15 August 2026. 0 projects have been built here and 5 have been withdrawn since 2019.
Source: interconnection queues published by PJM. Parsed and normalised by Watt Street. Data as of 15 August 2026. A queued project is a request, not a commitment.
What is waiting in Union County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 4 | 200 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 0 | 0 MW | 0.0% |
| Still pending | 4 | 200 MW | 44.4% |
| Withdrawn | 5 | 386 MW | 55.6% |
| Suspended | 0 | — | 0.0% |
Withdrawal is the ordinary outcome of an interconnection application nationally, not a sign of a problem in this county. Most withdrawals are a developer testing a site and moving on.
The largest projects on file
| Project | Fuel | Capacity | Status | Filed | Queue |
|---|---|---|---|---|---|
| W4-005 345kV (CIR Increase) | Wind | 306 MW | withdrawn | 2023-03 | PJM |
| Laurelton-Mifflinburg 69 kV | Solar | 80 MW | active | 2019-09 | PJM |
| Laurelton-Mifflinburg 69 kV | Solar | 60 MW | active | 2019-09 | PJM |
| Laurelton-Mifflinburg 69 kV | Solar | 40 MW | active | 2019-09 | PJM |
| Laurelton-Mifflinburg 69 kV | Solar | 20 MW | active | 2019-09 | PJM |
| Laurelton-Mifflinburg 69 kV | Solar | 20 MW | withdrawn | 2023-03 | PJM |
| Laurelton-Mifflinburg 69 kV | Solar | 20 MW | withdrawn | 2023-03 | PJM |
| Laurelton - Mifflinburg 69 kV | Solar | 20 MW | withdrawn | 2023-03 | PJM |
| Laurelton - Mifflinburg 69 kV | Solar | 20 MW | withdrawn | 2023-03 | PJM |
How this county ranks
Union County ranks #932 of 1,607 US counties by capacity currently queued, and #11 of 62 in Pennsylvania.
Other Pennsylvania counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| York County | 6 | 2.9 GW |
| Clearfield County | 11 | 1.5 GW |
| Indiana County | 3 | 1.2 GW |
| Dauphin County | 3 | 896 MW |
| McKean County | 4 | 870 MW |
| Centre County | 5 | 591 MW |
| Fayette County | 4 | 310 MW |
| Crawford County | 6 | 248 MW |
Go deeper on Union County
The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.
Open Union County on the map County reports All of Pennsylvania