Harlingen III BESS
BetaActiveBatteryERCOTLBNL + Live
110 MW storage in Cameron, TX · In queue since June 2023 · Proposed COD July 2027
110 MW
Capacity
1
Components
Battery
2y 9m
In Queue
Facility Study
IA Status
COD target: 2027
Interconnection Timeline
Total Duration
4y 1m
Facilities Study50%
Queue EntryJun 28, 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: 2027-07-01
Project Details
State
TX
County
Cameron
Region
ERCOT
Developer
SMT Harlingen III LLC
Utility
—
Entity
ERCOT
Point of Interconnection
8320 WEST HARLINGEN 69kV
Data Source
LBNL + Live
No news available for this project.