Millers Grove Solar
20 MW generation in Herkimer, NY · In queue since July 2020 · Proposed COD December 2026
20 MW
Capacity
1
Components
Solar
5y 10m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
6y 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: 2026-12-01
The Millers Grove Solar project is a proposed 20 MW solar generation facility located in Herkimer County, New York. Developed by SED NY Holdings LLC, the project consists of 20 MW of solar photovoltaic generation. It is currently active in the New York Independent System Operator (NYISO) interconnection queue as project number NYISO-1047, with an original queue entry date of July 9, 2020.
The proposed commercial operation date for Millers Grove Solar is December 1, 2026. The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the Porter - Watkins 115kV line. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
NY
County
Herkimer
Grid Region
NYISO (New York)
Market
ISO/RTO Member
Developer
SED NY Holdings LLC
Utility
NM-NG
Entity
NYISO
Service Type
—
Point of Interconnection
Porter - Watkins 115kV
Data Source
LBNL + Live
- ISO / RTO
- NYISO
- Trading Hub
- ZONE E
- 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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