St. Lawrence Infrastructure 1
860 MW generation in St. Lawrence, NY · In queue since September 2025
860 MW
Capacity
0
Components
8 months
In Queue
—
IA Status
Total Duration
8 months
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)
Commercial operation date not yet determined
The St. Lawrence Infrastructure 1 project is a proposed 860 MW generation project located in St. Lawrence County, New York. The project, developed by St. Lawrence Infrastructure, LLC, is listed in the New York Independent System Operator (NYISO) interconnection queue as queue ID NYISO-1742, with a queue entry date of September 2, 2025. The point of interconnection is the NYPA HA-2, 345kV Transmission Line, and the project's technology is listed as "Other" with the detail "L".
The project is currently listed as active in the NYISO queue. The proposed project has appeared in recent news, with 14 news articles covering the development, primarily focusing on industry and regulatory aspects. The utility involved is the New York Power Authority (NYPA).
Generated from interconnection queue and public data sources
State
NY
County
St. Lawrence
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
St. Lawrence Infrastructure, LLC
Utility
NYPA
Entity
NYISO
Service Type
—
Point of Interconnection
NYPA HA-2, 345kV Transmission Line
Data Source
Live · NYISO
- ISO / RTO
- NYISO
- Trading Hub
- ZONE D
- Hub Confidence
- MEDIUM
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.
Last updated 2026-03-26
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