Coopers Corner BESS (1652)

Coopers Corner BESS is a 300.0 MW battery interconnection project in Sullivan, New York with a current status of withdrawn. It is proposed to connect at Coopers Corner 345 kV Substation.

300.0 MWCapacity
WithdrawnStatus
EMarket
BatteryTechnology

Project facts

Canonical nameCoopers Corner BESS
Queue ID1652
Statuswithdrawn
Source status0
MarketE
TechnologyBattery
Capacity300.0 MW
StateNew York
CountySullivan
Point of interconnectionCoopers Corner 345 kV Substation
Requested (queue) date2023-12-20
Proposed in-service date2024-08-31
Operational date
Withdrawn date
DeveloperACE DEVCO NC, LLC
Utility / transmission ownerNYSEG

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.

Follow this project and get an alert when its status, capacity, developer, or schedule changes.

Start tracking with interXdata