Port Jefferson Energy Storage (1546)

Port Jefferson Energy Storage is a 400.0 MW battery interconnection project in Suffolk, New York with a current status of withdrawn. It is proposed to connect at Port Jefferson 138kV station.

400.0 MWCapacity
WithdrawnStatus
KMarket
BatteryTechnology

Project facts

Canonical namePort Jefferson Energy Storage
Queue ID1546
Statuswithdrawn
Source status0
MarketK
TechnologyBattery
Capacity400.0 MW
StateNew York
CountySuffolk
Point of interconnectionPort Jefferson 138kV station
Requested (queue) date2023-04-21
Proposed in-service date2024-05-31
Operational date
Withdrawn date
DeveloperPort Jefferson Energy Storage, LLC
Utility / transmission ownerLIPA

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

What changed

ObservedFieldOld valueNew valueMateriality
2026-07-31new_projectwithdrawnhigh

Explore related data

Source last checked2026-08-27
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: New York ISO — interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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