Marlboro Storage
100 MW storage in Ulster, NY · In queue since October 2024 · Proposed COD December 2028
100 MW
Capacity
1
Components
Battery
1y 7m
In Queue
—
IA Status
COD target: 2028
Total Duration
4y 2m
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: 2028-12-01
The Marlboro Storage project is a proposed 100 MW battery energy storage system located in Ulster County, New York. Developed by Origis Development LLC, the project is interconnected to the Central Hudson Gas & Electric (CHGE) grid at the Marlboro 115kV Substation. It is listed in the New York Independent System Operator (NYISO) interconnection queue under queue ID NYISO-C24-341, with an entry date of October 10, 2024, and a proposed commercial operation date of December 1, 2028.
The Marlboro Storage project has been featured in recent news coverage related to regulatory and industry developments. The project is currently listed as "active" in the NYISO interconnection queue.
Generated from interconnection queue and public data sources
State
NY
County
Ulster
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
Origis Development LLC
Utility
CHGE
Entity
NYISO
Service Type
—
Point of Interconnection
Marlboro 115kV Substation
Data Source
LBNL + Live
- ISO / RTO
- NYISO
- Trading Hub
- ZONE G
- Hub Confidence
- HIGH
- POI Substation
- Marlboro Substation
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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