Glenwood Power Station Battery Energy Storage System (BESS)
50 MW storage in Nassau, NY · In queue since September 2024 · Proposed COD December 2027
50 MW
Capacity
1
Components
Battery
1y 8m
In Queue
—
IA Status
COD target: 2027
Total Duration
3y 3m
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: 2027-12-01
The Glenwood Power Station Battery Energy Storage System (BESS) is a proposed 50 MW battery storage project located in Nassau County, New York. Developed by National Grid Generation LLC, the project is interconnected to the LIPA Glenwood 69kV Substation. It is listed in the NYISO interconnection queue as entry NYISO-C24-273, with a queue entry date of September 24, 2024, and a proposed commercial operation date of December 1, 2027.
The project consists of 50 MW of battery storage capacity. It is interconnected within the Long Island Power Authority (LIPA) service territory. The project is currently listed as active in the NYISO interconnection queue.
Generated from interconnection queue and public data sources
State
NY
County
Nassau
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
National Grid Generation LLC
Utility
LIPA
Entity
NYISO
Service Type
—
Point of Interconnection
LIPA Glenwood 69kV Substation
Data Source
LBNL
- ISO / RTO
- NYISO
- Trading Hub
- ZONE K
- Hub Confidence
- MEDIUM
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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