S-C-222
74.5 MW storage in Colleton, SC · In queue since June 2023 · Proposed COD June 2028
74.5 MW
Capacity
1
Components
Battery
2y 11m
In Queue
In Progress (unknown study)
IA Status
COD target: 2028
Total Duration
5 years
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: 2028-06-30
A proposed 74.5 MW battery storage project, identified as S-C-222, is under development in Colleton County, South Carolina. The project is located in the Southeast region and is being managed within the Santee Cooper interconnection queue, under the queue ID S-C-222. The project entered the queue on June 1, 2023, with a proposed commercial operation date of June 30, 2028.
The interconnection agreement (IA) for the project is currently listed as "In Progress (unknown study)". The developer is listed as S-C. Recent news coverage of the project is available.
Generated from interconnection queue and public data sources
State
SC
County
Colleton
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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