Solar

ISO-NE-1427BetaActiveSolarISO-NELBNL + Live

253.61 MW generation in York, ME · In queue since July 2023 · Proposed COD October 2027

253.61 MW

Capacity

Components

Solar

2y 10m

In Queue

System Impact Study

IA Status

COD target: 2027

Interconnection

Total Duration

4y 3m

Impact Study25%

Queue EntryJul 21, 2023

Interconnection request submitted to ISO/RTO

TCS StudyCurrent

ISO-NE is transitioning to cluster studies per FERC Order 2023.

Typical: 25–30 months (recent)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2027-10-01

About

The proposed Solar project, identified as ISO-NE-1427 in the ISO-NE interconnection queue, is a 253.61 MW solar generation facility planned for York County, Maine. The project entered the queue on July 21, 2023, and has a proposed commercial operation date of October 1, 2027. Its interconnection status is currently in the System Impact Study phase.

The point of interconnection (POI) is at Lebanon, Maine Line 391 Buxton Sub (CMP) to Scobie Pond (Eversource), with GPS coordinates 43°22'51.59"N, 70°55'57.74"W. This new tap is located approximately 27.8 miles southwest of Buxton substation and approx. 39.9 miles northeast of the Scobie Pond substation. The project has been mentioned in recent news coverage related to regulatory matters.

Generated from interconnection queue and public data sources

ISO-NE Queue

Project Details

State

County

York

Grid Region

ISO New England

Market

ISO/RTO Member

Developer

—

Utility

—

Entity

ISO-NE

Service Type

—

Point of Interconnection

Lebanon, Maine Line 391 Buxton Sub (CMP) to Scobie Pond (Eversource). GPS coordinates of the POI: 4322'51.59"N, 7055'57.74"W. ** This new tap is located approximately 27.8 miles southwest of Buxton substation and approx. 39.9 miles northeast of the Scobie Pond substation.

Data Source

LBNL + Live

ApplicantEvolugenThe Energy Mix · 2025-12-17

AgencyOttawa City CouncilThe Energy Mix · 2025-12-17

RulingApprovalThe Energy Mix · 2025-12-17

Market Context

Approximate

ISO / RTO: ISO-NE
Trading Hub: .Z.MAINE
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.

News & Articles (1)Beta

Last updated 2026-03-26

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Solar (ISO-NE-1427) — Project Summary

Solar