Excelsior Energy Center
280 MW generation in Genesee, NY · In queue since June 2018 · Proposed COD November 2026
280 MW
Capacity
1
Components
Solar
7y 11m
In Queue
System Impact Study
IA Status
COD target: 2026
Total Duration
8y 5m
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: 2026-11-01
The Excelsior Energy Center is a proposed 280 MW solar generation project located in Genesee County, New York. Developed by Excelsior Energy Center, LLC, the project is interconnected to the NYISO grid at the Dysinger - N. Rochester 345kV point of interconnection. It entered the NYISO interconnection queue as queue ID NYISO-721 on June 7, 2018, and has a proposed commercial operation date of November 1, 2026. The project's interconnection status is currently in the System Impact Study phase.
The proposed project is linked to the existing Excelsior Energy Center operating plant (EIA plant ID 68507). The Excelsior Energy Center has been the subject of recent news coverage, with four articles related to regulatory, development, and industry topics.
Generated from interconnection queue and public data sources
State
NY
County
Genesee
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
Excelsior Energy Center, LLC
Utility
NYPA
Entity
NYISO
Service Type
—
Point of Interconnection
Dysinger - N. Rochester 345kV
Data Source
LBNL
- ISO / RTO
- NYISO
- Trading Hub
- NYISO Zone B
- Hub Confidence
- UNKNOWN
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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