South Carolina · Battery

Proposed battery projects in South Carolina

There are 19 proposed battery projects in South Carolina's interconnection queue, totaling 2.23 GW of requested capacity. The largest is Santee Cooper project at 300 MW, and the median planned online year is 2028.

19
Proposed projects
2.23 GW
Requested capacity
117.2 MW
Average project size
2028
Median planned online year

All proposed battery projects in South Carolina

TypeRegionIA Status
Santee Cooper project
GenRep1
BatterySoutheastBerkeleyIn Progress (unknown study)300 MW20252027
Queue 308
308
BatterySoutheastBerkeleyCluster Study250 MW20252028
Queue 20230829013
20230829013
BatterySoutheastBerkeley199 MW2028
Queue 309
309
BatterySoutheastDorchesterCluster Study199 MW20252028
Queue 310
310
BatterySoutheastDorchesterCluster Study199 MW20252028
Queue 20250918001
20250918001
BatterySoutheastColleton100 MW2030
Queue 299
299
BatterySoutheastGeorgetownCluster Study100 MW20252027
Queue 977302
977302
BatterySoutheastYorkCluster Study99 MW2025
Queue 977308
977308
BatterySoutheastSpartanburgCluster Study99 MW2025
Queue 977315
977315
BatterySoutheastGreenwoodCluster Study99 MW2025
Queue 20211221001
20211221001
BatterySoutheastHamptonCluster Study75 MW2024
Queue 234
234
BatterySoutheastHamptonIn Progress (unknown study)75 MW20232027
Queue 251
251
BatterySoutheastWilliamsburgIn Progress (unknown study)75 MW20242028
Queue 230
230
BatterySoutheastWilliamsburgIn Progress (unknown study)74.9 MW20232028
Queue 312
312
BatterySoutheastWilliamsburgCluster Study74.9 MW20252029
Queue 222
222
BatterySoutheastColletonIn Progress (unknown study)74.5 MW20232028
Queue 223
223
BatterySoutheastWilliamsburgIn Progress (unknown study)74.5 MW20232028
Queue 313
313
BatterySoutheastWilliamsburgCluster Study55 MW20252029
Queue 561350
561350
BatterySoutheastFairfieldConstruction4.6 MW20222025

Browse South Carolina's full interconnection queue. Nationwide: Storage plants nationwide.

Source: "Queued Up" (Rand et al., Lawrence Berkeley National Laboratory, 2026 edition) (data as of December 31, 2025).