Ball Hill BESS
250 MW storage in Chautauqua, NY · In queue since September 2024 · Proposed COD May 2028
250 MW
Capacity
1
Components
Battery
1y 8m
In Queue
—
IA Status
COD target: 2028
Total Duration
3y 8m
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: 2028-05-01
The Ball Hill BESS is a proposed 250 MW battery storage project located in Chautauqua County, New York. Developed by Northland Power U.S. Projects Inc., the project entered the NYISO interconnection queue on September 17, 2024, under queue ID NYISO-C24-168. The proposed commercial operation date is May 1, 2028, with interconnection planned at the Stebbins Road 230kV point of interconnection.
The Ball Hill BESS project has been the subject of recent news coverage, with three articles focusing on regulatory and grid-related aspects. The project is currently listed as active in the NYISO interconnection queue.
Generated from interconnection queue and public data sources
State
NY
County
Chautauqua
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
Northland Power U.S. Projects Inc
Utility
NM-NG
Entity
NYISO
Service Type
—
Point of Interconnection
Stebbins Road 230kV
Data Source
LBNL
- ISO / RTO
- NYISO
- Trading Hub
- ZONE A
- Hub Confidence
- HIGH
- POI Substation
- Stebbins Road 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.
Last updated 2026-03-26
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