Wading River Power Station Battery Energy Storage System (BESS)
50 MW storage in Suffolk, 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 Wading River Power Station Battery Energy Storage System (BESS) is a proposed 50 MW battery storage project located in Suffolk County, New York. The project, developed by National Grid Generation LLC, is interconnected to the NYISO grid under queue ID NYISO-C24-280. The project entered the queue on September 24, 2024, and has a proposed commercial operation date of December 1, 2027. The point of interconnection is the Wading River 138 kV Substation.
The proposed project is linked to the existing Wading River Power Station and has been featured in recent news coverage regarding its development. The project consists of 50 MW of battery storage capacity.
Generated from interconnection queue and public data sources
State
NY
County
Suffolk
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
National Grid Generation LLC
Utility
LIPA
Entity
NYISO
Service Type
—
Point of Interconnection
Wading River 138 kV Substation
Data Source
LBNL
- ISO / RTO
- NYISO
- Trading Hub
- ZONE K
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- WADING RIVER_IC_1
- POI Substation
- WADING RIVER_IC_1
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.
Last updated 2026-03-26
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