SOUTHERN SELECT ENERGY STORAGE
ERCOT-26INR0340BetaActiveBatteryERCOTLBNL + Live
404.3 MW storage in Galveston, TX · In queue since October 2023 · Proposed COD March 2027
404.3 MW
Capacity
1
Components
Battery
2y 6m
In Queue
Facility Study
IA Status
COD target: 2027
Interconnection Timeline
Total Duration
3y 5m
Facilities Study50%
Queue EntryOct 25, 2023
Interconnection request submitted to ISO/RTO
Interconnection StudyCurrent
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection Agreement
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Commercial Operation
Proposed COD: 2027-03-31
Project Details
State
TX
County
Galveston
Region
ERCOT
Developer
SOUTHERN SELECT ENERGY STORAGE LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Bus Name: TNHEIGHTS_1 Bus Number: 38740
Data Source
LBNL + Live
No news available for this project.