United States › Grid › Interconnection queues › South Carolina
BATTERY STORAGE · SOUTHEASTBattery storage project 309, Dorchester County
Battery storage project 309, Dorchester County is a 199 MW battery storage request in interconnection study in the Southeast interconnection queue, in Dorchester County, South Carolina, connecting to Santee Cooper.
- PlanningQueued May 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Dec 2028 (not yet reached)
- Closed (not yet reached)
Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.
Request details
- Queue ID
- 309
- Grid region
- Southeast (non-ISO utilities)
- Utility / transmission owner
- Santee Cooper
- Location
- Dorchester County, South Carolina
- Technology
- Battery: 199 MW
- Total requested
- 199 MW
- Service type
- Network resource (NRIS)
- Study phase
- 2025 Cluster
- Queue status
- Active
- Entered queue
- 29 May 2025
- Proposed online date
- December 2028
Location
Marker shows the centre of Dorchester County; the queue data does not give exact sites.
Power plants in South Carolina · Transmission lines in South Carolina
Other requests in Dorchester County
- Battery storage project 310, Dorchester CountyBattery storage · 199 MW · in study
- Other project 31, Dorchester CountyOther · 19.9 MW · built
- Solar project 119, Dorchester CountySolar · 350 MW · withdrawn
- Solar project 20171113001, Dorchester CountySolar · 102 MW · withdrawn
- Solar project 77, Dorchester CountySolar · 100 MW · withdrawn
- Solar project 133, Dorchester CountySolar · 75.0 MW · withdrawn
- Solar project 92, Dorchester CountySolar · 75.0 MW · withdrawn
Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem