Holtsville Brookhaven Battery Storage
BetaActiveBatteryNYISOLBNL + Live
79.9 MW storage in Suffolk, NY · In queue since September 2021 · Proposed COD March 2026
79.9 MW
Capacity
1
Components
Battery
4y 6m
In Queue
System Impact Study
IA Status
COD target: 2026
Interconnection Timeline
Total Duration
4y 6m
Schedule
1 months past proposed COD
Impact Study25%
Queue EntrySep 22, 2021
Interconnection request submitted to ISO/RTO
TCS StudyCurrent
NYISO transitioned to a Transitional Cluster Study (TCS) format in 2024.
Typical: >42 months (historical); ~24 months target
Interconnection Agreement
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Commercial Operation
Proposed COD: 2026-03-01
Project Details
State
NY
County
Suffolk
Region
NYISO
Developer
Holtsville Brookhaven Battery Storage
Utility
LIPA
Entity
NYISO
Point of Interconnection
Line 69-849 from West Yaphank to North Bellport
Data Source
LBNL + Live
No news available for this project.