Sign in

S-C interconnection queue

73 interconnection requests are active in S-C, totalling 9.6 GW, as of 15 August 2026. Of the 317 requests ever filed here, 38 were built and 205 were withdrawn — a build rate of 15.6% on decided applications.

Active requests
73
of 317 ever filed
Capacity queued
9.6 GW
requested, not committed
Built vs decided
15.6%
38 built, 205 withdrawn
Median wait so far
2.2 yr
for requests still active
Median time to build
2.7 yr
request to commercial operation

Source: the S-C interconnection queue as published by the transmission provider, parsed and normalised by Watt Street. Data as of 15 August 2026. Wait times are medians over requests that carry a measured date.

What is queued in S-C, by fuel

FuelProjectsCapacity requested
Gas315.0 GW
Solar303.0 GW
Battery121.6 GW

Where S-C’s queue sits

StateApplicationsCapacity pending
South Carolina3179.6 GW

Largest active requests

ProjectFuelCapacityCountyStateFiled
283Gas819 MWColleton CountySC2025-02
284Gas819 MWColleton CountySC2025-02
285Gas819 MWColleton CountySC2025-02
300Gas458 MWColleton CountySC2025-05
301Gas458 MWColleton CountySC2025-05
GenRep1Battery300 MWBerkeley CountySC2025-11
308Battery250 MWBerkeley CountySC2025-05
171Solar249 MWWilliamsburg CountySC2021-10
200Gas209 MWAnderson CountySC2023-06
302Gas208 MWColleton CountySC2025-05
303Gas208 MWColleton CountySC2025-05
191Solar200 MWSumter CountySC2023-06
309Battery199 MWDorchester CountySC2025-05
310Battery199 MWDorchester CountySC2025-05
206Solar198 MWBerkeley CountySC2023-06

S-C on the map

Open the map Every queue we track