S-C-251
75 MW storage in Williamsburg, SC · In queue since February 2024 · Proposed COD December 2028
75 MW
Capacity
1
Components
Battery
2y 3m
In Queue
In Progress (unknown study)
IA Status
COD target: 2028
Total Duration
4y 10m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-12-31
Proposed project S-C-251 is a 75 MW battery storage development in Williamsburg County, South Carolina. The project is located in the Southeast region and is being proposed within the Santee Cooper (S-C) interconnection queue. The queue entry date is February 1, 2024, with a proposed commercial operation date of December 31, 2028.
The interconnection agreement (IA) status for project S-C-251 is currently listed as "In Progress (unknown study)". Recent news coverage of the project is available.
Generated from interconnection queue and public data sources
State
SC
County
Williamsburg
Grid Region
Southeast
Market
—
Developer
—
Utility
Santee Cooper
Entity
S-C
Service Type
—
Data Source
LBNL
- ISO / RTO
- SOUTHEAST
- Trading Hub
- Duke Carolinas
- Hub Confidence
- UNKNOWN
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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