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 6m
In Queue
IA Executed
IA Phase
Signed Oct 2023
Queue → IA
4y 9m
IA → COD
3y 2m
Total Duration
4y 9m
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
Interconnection agreement executed with ISO-NE
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
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
ME
County
Hancock
Grid Region
ISO New England
Market
ISO/RTO Member
Developer
—
Utility
—
Entity
ISO-NE
Service Type
ERIS
Point of Interconnection
New 115 kV breaker Ring bus, tapping 115 kV Line 93 (Emera Maine) between Bull Hill & Deblois
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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.
Last updated 2026-03-26
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