Three Rivers Solar
100 MW generation in Hancock, ME · In queue since January 2019 · Proposed COD December 2026
100 MW
Capacity
1
Components
Solar
7y 4m
In Queue
IA Executed
IA Status
COD target: 2026
Total Duration
7y 11m
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: 2026-12-31
Three Rivers Solar is a proposed 100 MW solar generation project located in Hancock County, Maine. The project is listed in the ISO-NE interconnection queue as queue ID 833, with an entry date of January 9, 2019, and a proposed commercial operation date of December 31, 2026. The interconnection agreement for the project has been executed.
The proposed project is linked to the existing Three Rivers Solar Power, LLC operating plant (EIA ID 63386). It has been the subject of recent news coverage related to regulatory matters.
Generated from interconnection queue and public data sources
State
ME
County
Hancock
Grid Region
ISO New England
Market
ISO/RTO Member
Developer
—
Utility
ISO-NE
Entity
ISO-NE
Service Type
—
Point of Interconnection
New 115 kV breaker Ring bus, tapping 115 kV Line 93 (Emera Maine) between Bull Hill & Deblois
Data Source
LBNL + Live
- ISO / RTO
- ISO-NE
- Trading Hub
- .Z.MAINE
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- Pending
- POI Substation
- Bull Hill Substation
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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