Columbia County, PA interconnection queue
3 interconnection applications are pending in Columbia County, PA, requesting 80 MW of new generating capacity, as of 15 August 2026. 4 projects have been built here and 20 have been withdrawn since 1997.
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 Columbia County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 3 | 80 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 4 | 3.4 GW | 13.3% |
| Still pending | 3 | 80 MW | 10.0% |
| Withdrawn | 20 | 730 MW | 66.7% |
| Suspended | 3 | — | 10.0% |
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 |
|---|---|---|---|---|---|
| Susquehanna 500kV | Nuclear | 1.2 GW | completed | 2001-08 | PJM |
| Susquehanna 230 kV | Nuclear | 1.1 GW | completed | 1997-06 | PJM |
| Susquehanna 230 kV | Nuclear | 1.1 GW | completed | 1997-06 | PJM |
| Harwood-E. Palmerton 230kV | Wind | 100 MW | withdrawn | 2008-05 | PJM |
| Derry Tap- Derry Bus 69 kV VII | Solar | 91 MW | withdrawn | 2021-09 | PJM |
| Bowmanns Mill-Scott 69 kV | Solar | 85 MW | withdrawn | 2019-03 | PJM |
| Bowmanns Mill Tap-Scott 69 kV | Solar | 75 MW | withdrawn | 2020-03 | PJM |
| Bowman's Mill Tap-Scott 69 kV III | Solar | 75 MW | withdrawn | 2021-03 | PJM |
| Columbia-West Bloomsburg 69 kV II | Solar | 60 MW | withdrawn | 2021-09 | PJM |
| Susquehanna 500kV | Nuclear | 52 MW | withdrawn | 2001-07 | PJM |
| Columbia-Geisinger Tap #1 69 kV | Solar | 40 MW | active | 2020-03 | PJM |
| Bowmans Mill-Scott 69 kV | Solar | 35 MW | suspended | 2019-09 | PJM |
| Bowman's Mill-Scott 69 kV II | Solar | 35 MW | withdrawn | 2021-03 | PJM |
| Columbia-West Bloomsburg 69 kV | Solar | 20 MW | suspended | 2019-03 | PJM |
| Bloomsburg-Columbia 69 kV | Solar | 20 MW | suspended | 2019-03 | PJM |
How this county ranks
Columbia County ranks #1137 of 1,607 US counties by capacity currently queued, and #26 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 Columbia 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 Columbia County on the map County reports All of Pennsylvania