United States › Grid › Interconnection queues › South Carolina
BATTERY STORAGE · SOUTHEASTBattery storage project 223, Williamsburg County
Battery storage project 223, Williamsburg County is a 74.5 MW battery storage request in interconnection study in the Southeast interconnection queue, in Williamsburg County, South Carolina, connecting to Santee Cooper.
- PlanningQueued Jun 2023 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Jun 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
- 223
- Grid region
- Southeast (non-ISO utilities)
- Utility / transmission owner
- Santee Cooper
- Location
- Williamsburg County, South Carolina
- Technology
- Battery: 74.5 MW
- Total requested
- 74.5 MW
- Service type
- Network resource (NRIS)
- Study phase
- 2023 Cluster
- Queue status
- Active
- Entered queue
- 1 June 2023
- Proposed online date
- June 2028
Location
Marker shows the centre of Williamsburg County; the queue data does not give exact sites.
Power plants in South Carolina · Transmission lines in South Carolina
Other requests in Williamsburg County
- Solar project 171, Williamsburg CountySolar · 249 MW · under construction
- Solar project 925531, Williamsburg CountySolar · 74.9 MW · under construction
- Solar project 244, Williamsburg CountySolar · 175 MW · in study
- Solar project 270, Williamsburg CountySolar · 150 MW · in study
- Solar project 278, Williamsburg CountySolar · 150 MW · in study
- Solar project 246, Williamsburg CountySolar · 75.0 MW · in study
- Battery storage project 251, Williamsburg CountyBattery storage · 75.0 MW · in study
- Battery storage project 230, Williamsburg CountyBattery storage · 74.9 MW · in study
- Battery storage project 312, Williamsburg CountyBattery storage · 74.9 MW · in study
- Battery storage project 313, Williamsburg CountyBattery storage · 55.0 MW · in study
- Solar project 977121, Williamsburg CountySolar · 6.0 MW · in study
- Solar project 977876, Williamsburg CountySolar · 5.0 MW · in study
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