Grassy Knoll Solar
20 MW generation in Herkimer, NY · In queue since June 2019 · Proposed COD December 2025
20 MW
Capacity
1
Components
Solar
6y 11m
In Queue
Facility Study
IA Status
COD target: 2025
Total Duration
6y 6m
Schedule
5 months past proposed COD
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: 2025-12-01
The Grassy Knoll Solar project is a proposed 20 MW solar generation facility in Herkimer County, New York. Developed by SunEast Grassy Knoll Solar LLC, the project is interconnected to the NYISO grid under queue ID NYISO-885. The project entered the interconnection queue on June 12, 2019, and has a proposed commercial operation date of December 1, 2025. Its interconnection status is currently in the Facility Study phase.
The proposed project is linked to the existing SunEast Grassy Knoll Solar Project operating plant (EIA ID 63863). The point of interconnection is the Watkins Rd - Inghams 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
SunEast Grassy Knoll Solar LLC
Utility
NM-NG
Entity
NYISO
Service Type
—
Point of Interconnection
Watkins Rd - Inghams 115kV
Data Source
LBNL
- ISO / RTO
- NYISO
- Trading Hub
- NYISO Zone E
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- 323673
- POI Substation
- HARDSCRABBLE_WT_PWR
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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