Union County, SC interconnection queue
1 interconnection applications are pending in Union County, SC, requesting 75 MW of new generating capacity, as of 15 August 2026. 0 projects have been built here and 7 have been withdrawn since 2018.
Source: interconnection queues published by Duke. 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 | 1 | 75 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 0 | 0 MW | 0.0% |
| Still pending | 1 | 75 MW | 12.5% |
| Withdrawn | 7 | 461 MW | 87.5% |
| 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 |
|---|---|---|---|---|---|
| 920665 | Solar | 75 MW | active | 2023-09 | Duke |
| 920179 | Solar | 75 MW | withdrawn | 2023-09 | Duke |
| 962858 | Solar | 75 MW | withdrawn | 2024-09 | Duke |
| 23506 | Solar | 74 MW | withdrawn | 2018-10 | Duke |
| 977273 | Solar | 63 MW | withdrawn | 2025-06 | Duke |
| 126036 | Solar | 58 MW | withdrawn | 2020-03 | Duke |
| 568024 | Solar | 58 MW | withdrawn | 2022-06 | Duke |
| 924437 | Solar | 58 MW | withdrawn | 2023-09 | Duke |
How this county ranks
Union County ranks #1148 of 1,607 US counties by capacity currently queued, and #33 of 39 in South Carolina.
Other South Carolina counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Colleton County | 19 | 5.7 GW |
| Rowan County | 4 | 2.6 GW |
| Anderson County | 18 | 1.9 GW |
| Williamsburg County | 14 | 1.2 GW |
| Darlington County | 20 | 1.2 GW |
| Berkeley County | 6 | 1.0 GW |
| Aiken County | 10 | 657 MW |
| Georgetown County | 7 | 561 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 South Carolina