Colleton County, SC interconnection queue
19 interconnection applications are pending in Colleton County, SC, requesting 5.7 GW of new generating capacity, as of 15 August 2026. 0 projects have been built here and 21 have been withdrawn since 2017.
Source: interconnection queues published by Dominion, S-C. 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 Colleton County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Gas | 14 | 5.0 GW |
| Solar | 3 | 550 MW |
| Battery | 2 | 174 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 0 | 0 MW | 0.0% |
| Still pending | 19 | 5.7 GW | 47.5% |
| Withdrawn | 21 | 1.9 GW | 52.5% |
| 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 |
|---|---|---|---|---|---|
| 283 | Gas | 819 MW | active | 2025-02 | S-C |
| 284 | Gas | 819 MW | active | 2025-02 | S-C |
| 285 | Gas | 819 MW | active | 2025-02 | S-C |
| 300 | Gas | 458 MW | active | 2025-05 | S-C |
| 301 | Gas | 458 MW | active | 2025-05 | S-C |
| 20240829009 | Gas | 338 MW | active | — | Dominion |
| 20240829010 | Gas | 338 MW | active | — | Dominion |
| 20240829011 | Gas | 338 MW | active | — | Dominion |
| 20230829017 | Battery | 300 MW | withdrawn | — | Dominion |
| 20240829004 | Solar | 250 MW | active | — | Dominion |
| 302 | Gas | 208 MW | active | 2025-05 | S-C |
| 303 | Gas | 208 MW | active | 2025-05 | S-C |
| 20190729002 | Solar | 200 MW | active | — | Dominion |
| 20230823001 | Solar | 150 MW | withdrawn | — | Dominion |
| 20230829001 | Solar | 150 MW | withdrawn | — | Dominion |
How this county ranks
Colleton County ranks #46 of 1,607 US counties by capacity currently queued, and #1 of 39 in South Carolina.
Other South Carolina counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| 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 |
| Hampton County | 6 | 550 MW |
Go deeper on Colleton 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 Colleton County on the map County reports All of South Carolina