Edwards Calverton Battery Storage
60 MW storage in Suffolk, NY · In queue since September 2021 · Proposed COD March 2025
60 MW
Capacity
1
Components
Battery
4y 8m
In Queue
System Impact Study
IA Status
COD target: 2025
Total Duration
3y 6m
Schedule
14 months past proposed COD
Interconnection request submitted to ISO/RTO
NYISO transitioned to a Transitional Cluster Study (TCS) format in 2024.
Typical: >42 months (historical); ~24 months target
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2025-03-01
The Edwards Calverton Battery Storage project is a proposed 60 MW battery storage development in Suffolk County, New York. The project, being developed by Edwards Calverton Battery Storage, is interconnected to the Long Island Power Authority (LIPA) grid at the Edwards Avenue Substation at 138 kV. It is currently in the System Impact Study phase of the New York Independent System Operator (NYISO) interconnection queue as project NYISO-1257, with an original queue entry date of September 22, 2021, and a proposed commercial operation date of March 1, 2025.
The proposed project consists of 60 MW of battery storage capacity. The Edwards Calverton Battery Storage project has been featured in recent news coverage related to regulatory matters.
Generated from interconnection queue and public data sources
State
NY
County
Suffolk
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
Edwards Calverton Battery Storage
Utility
LIPA
Entity
NYISO
Service Type
—
Point of Interconnection
Edwards Avenue Substation at 138 kV
Data Source
LBNL + Live
- ISO / RTO
- NYISO
- Trading Hub
- ZONE K
- Hub Confidence
- HIGH
- POI Substation
- Substation
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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