Bufflehead BESS
ERCOT-24INR0274BetaActiveBatteryERCOTLBNL + Live
159.23 MW storage in Collin, TX · In queue since March 2022 · Proposed COD February 2027
159.23 MW
Capacity
1
Components
Battery
4y 1m
In Queue
IA Executed
IA Status
Signed Apr 2024
Interconnection Timeline
Queue → IA
2y 1m
IA → COD
2y 10m
Total Duration
2y 1m
Construction75%
Queue EntryMar 7, 2022
Interconnection request submitted to ISO/RTO
Interconnection Study
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection AgreementApr 10, 2024
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
ConstructionCurrent
Project under construction
Typical: 6–18 months
Commercial Operation
Proposed COD: 2027-02-15
Project Details
State
TX
County
Collin
Region
ERCOT
Developer
Boxcar Energy Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
2475 Lavon Switch 138kV
Data Source
LBNL + Live
No news available for this project.