East Setauket Energy Storage II (1505)
East Setauket Energy Storage II is a 300.0 MW battery interconnection project in Suffolk, New York with a current status of withdrawn. It is proposed to connect at Holbrook to Miller Place 138kV.
300.0 MWCapacity
WithdrawnStatus
KMarket
BatteryTechnology
Project facts
| Canonical name | East Setauket Energy Storage II |
|---|---|
| Queue ID | 1505 |
| Status | withdrawn |
| Source status | 0 |
| Market | K |
| Technology | Battery |
| Capacity | 300.0 MW |
| State | New York |
| County | Suffolk |
| Point of interconnection | Holbrook to Miller Place 138kV |
| Requested (queue) date | 2023-01-19 |
| Proposed in-service date | 2024-05-31 |
| Operational date | — |
| Withdrawn date | — |
| Developer | East Setauket Energy Storage, LLC |
| Utility / transmission owner | LIPA |
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
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-07-31 | new_project | — | withdrawn | high |
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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