Grissom Solar
4.99 MW generation in Sullivan, NH · In queue since March 2022 · Proposed COD May 2025
4.99 MW
Capacity
1
Components
Solar
4y 2m
In Queue
IA Executed
IA Status
COD target: 2025
Total Duration
3y 2m
Schedule
12 months past proposed COD
Interconnection request submitted to ISO/RTO
ISO-NE is transitioning to cluster studies per FERC Order 2023.
Typical: 25–30 months (recent)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 12–24 months
Proposed COD: 2025-05-15
Grissom Solar is a proposed 4.99 MW solar generation project located in Sullivan County, New Hampshire. The project is in the ISO-NE interconnection queue as entry ISO-NE-1226, with a queue entry date of March 4, 2022, and a proposed commercial operation date of May 15, 2025. The interconnection agreement for the project has been executed.
The point of interconnection is a 46 kV subtransmission line between GMP Maple Avenue B-42 and the 4402 breaker at the GMP/NGRID demarc considered at Bellows Falls.
Generated from interconnection queue and public data sources
State
NH
County
Sullivan
Grid Region
ISO New England
Market
ISO/RTO Member
Developer
—
Utility
ISO-NE
Entity
ISO-NE
Service Type
—
Point of Interconnection
46 kV subtransmission line between GMP Maple Avenue B-42 and the 4402 breaker at the GMP/NGRID demarc considered at Bellows Falls
Data Source
LBNL + Live
- ISO / RTO
- ISO-NE
- Trading Hub
- .Z.NEWHAMPSHIRE
- 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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