Arch 1
100 MW storage in Orange, NY · In queue since August 2024 · Proposed COD December 2028
100 MW
Capacity
1
Components
Battery
1y 9m
In Queue
—
IA Status
COD target: 2028
Total Duration
4y 4m
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
Arch 1 is a proposed 100 MW battery storage project located in Orange County, New York. Developed by Terra-Gen Development, LLC, the project consists of a single 100 MW battery component. It is currently active in the New York Independent System Operator (NYISO) interconnection queue as entry NYISO-C24-086, with a queue entry date of August 9, 2024, and a proposed commercial operation date of December 1, 2028. The point of interconnection is the Rock Tavern 345kV Substation (South position), and the interconnecting utility is CHGE.
The Arch 1 project has been the subject of recent news coverage, with six articles categorized as relating to industry, grid, and regulatory matters.
Generated from interconnection queue and public data sources
State
NY
County
Orange
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
Terra-Gen Development, LLC
Utility
CHGE
Entity
NYISO
Service Type
—
Point of Interconnection
Rock Tavern 345kV Substation (South position)
Data Source
LBNL
- ISO / RTO
- NYISO
- Trading Hub
- ZONE G
- Hub Confidence
- HIGH
- POI Substation
- 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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