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
4 years
In Queue
IA Executed
IA Status
COD target: 2025
Total Duration
3y 2m
Schedule
11 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
State
NH
County
Sullivan
Region
ISO-NE
Developer
—
Utility
ISO-NE
Entity
ISO-NE
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
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Last updated 2026-03-26