Lighthouse Energy Storage
250 MW storage in Chautauqua, NY · In queue since August 2024 · Proposed COD June 2027
250 MW
Capacity
1
Components
Battery
1y 9m
In Queue
—
IA Status
COD target: 2027
Total Duration
2y 10m
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: 2027-06-01
Lighthouse Energy Storage is a proposed 250 MW battery storage project in Chautauqua County, New York. Developed by GCI Lighthouse Energy Storage, LLC, the project is interconnected to the NYISO grid at the Gardenville - Dunkirk Line 74 230 kV point of interconnection. The project entered the NYISO interconnection queue as queue ID NYISO-C24-074 on August 2, 2024, and has a proposed commercial operation date of June 1, 2027.
The project consists of 250 MW of battery storage capacity. As of the current data, the project has an active status in the NYISO interconnection queue. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
NY
County
Chautauqua
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
GCI Lighthouse Energy Storage, LLC
Utility
NM-NG
Entity
NYISO
Service Type
—
Point of Interconnection
Gardenville - Dunkirk Line 74 230 kV
Data Source
LBNL + Live
- 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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