Southern Tier Energy Center
200 MW storage in Tioga, NY · In queue since September 2024 · Proposed COD December 2029
200 MW
Capacity
1
Components
Battery
1y 8m
In Queue
—
IA Status
COD target: 2029
Total Duration
5y 3m
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: 2029-12-01
The Southern Tier Energy Center is a proposed 200 MW battery storage project located in Tioga County, New York. Developed by Southern Tier Energy Center, LLC, the project consists of a single 200 MW battery component. It is interconnected to the NYSEG utility via the Oakdale 130755 - Watercure 130757 345 kV line.
The project is listed in the NYISO interconnection queue as entry NYISO-C24-182, with a queue entry date of September 17, 2024, and a proposed commercial operation date of December 1, 2029. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
NY
County
Tioga
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
Southern Tier Energy Center, LLC
Utility
NYSEG
Entity
NYISO
Service Type
—
Point of Interconnection
Oakdale 130755 - Watercure 130757 345 kV line
Data Source
LBNL + Live
- ISO / RTO
- NYISO
- Trading Hub
- ZONE C
- 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.
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