Grapevine Storage
200 MW storage in Chautauqua, NY · In queue since September 2024 · Proposed COD August 2028
200 MW
Capacity
1
Components
Battery
1y 8m
In Queue
—
IA Status
COD target: 2028
Total Duration
3y 11m
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: 2028-08-01
The Grapevine Storage project is a proposed 200 MW battery storage development in Chautauqua County, New York. Developed by Grapevine Storage LLC, the project entered the NYISO interconnection queue on September 23, 2024, under queue ID NYISO-C24-257. The proposed commercial operation date is August 1, 2028.
The project is interconnected to the Gardenville-Dunkirk Line 74 230kV. The project is currently listed as active in the interconnection queue.
Generated from interconnection queue and public data sources
State
NY
County
Chautauqua
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
Grapevine Storage LLC
Utility
NM-NG
Entity
NYISO
Service Type
—
Point of Interconnection
Gardenville-Dunkirk Line 74 230kV
Data Source
LBNL
- ISO / RTO
- NYISO
- Trading Hub
- ZONE A
- 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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