South Carolina interconnection queue
194 interconnection applications are pending in South Carolina, requesting 19.8 GW of new generating capacity across 39 counties, as of 15 August 2026. That places South Carolina #18 of 47 states by capacity queued.
Pending applications
194
of 714 ever filed
Capacity queued
19.8 GW
requested, not committed
Already built
6.9 GW
41 connected
Built vs decided
7.9%
478 withdrawn
Counties in the queue
39
with five or more filings
Large load requested
none recorded
0 requests
Source: the interconnection queues of every transmission provider operating in South Carolina. Parsed and normalised by Watt Street. Data as of 15 August 2026.
Which queues serve South Carolina
What is waiting in South Carolina, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Gas | 49 | 8.5 GW |
| Solar | 115 | 8.3 GW |
| Battery | 19 | 2.2 GW |
| Other | 8 | 537 MW |
| Hydro | 2 | 160 MW |
| Nuclear | 1 | 40 MW |
Counties with the most capacity queued
| County | Pending | Capacity queued | Already built |
|---|---|---|---|
| Colleton County | 19 | 5.7 GW | 0 MW |
| Rowan County | 4 | 2.6 GW | 0 MW |
| Anderson County | 18 | 1.9 GW | 0 MW |
| Williamsburg County | 14 | 1.2 GW | 0 MW |
| Darlington County | 20 | 1.2 GW | 2 MW |
| Berkeley County | 6 | 1.0 GW | 2.9 GW |
| Aiken County | 10 | 657 MW | 75 MW |
| Georgetown County | 7 | 561 MW | 1.4 GW |
| Hampton County | 6 | 550 MW | 0 MW |
| Marion County | 10 | 535 MW | 2 MW |
| Orangeburg County | 6 | 452 MW | 0 MW |
| Lee County | 4 | 410 MW | 0 MW |
| Chesterfield County | 6 | 401 MW | 75 MW |
| Dorchester County | 2 | 398 MW | 20 MW |
| Richland County | 3 | 376 MW | 75 MW |
| Saluda County | 3 | 335 MW | 0 MW |
| Chester County | 6 | 312 MW | 0 MW |
| Marlboro County | 5 | 310 MW | 126 MW |
| Newberry County | 2 | 271 MW | 0 MW |
| Charleston County | 2 | 263 MW | 0 MW |
| Greenwood County | 6 | 253 MW | 0 MW |
| Jasper County | 2 | 234 MW | 75 MW |
| Barnwell County | 3 | 224 MW | 0 MW |
| Sumter County | 1 | 200 MW | 0 MW |
| Fairfield County | 4 | 167 MW | 318 MW |
Data centre campuses recorded in South Carolina
| Campus | Operator | Reported demand |
|---|---|---|
| Meta Aiken | Meta | 142 MW |
A campus is tagged as a data centre by our classification, not by the operator’s own statement. 44 of the 72 campuses we hold carry coordinates, so only those can be mapped.
South Carolina on the map
Every application above is plotted, searchable and clickable.