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United States › Grid › Interconnection queues › Maine

SOLAR · ISO-NE

Mousam River Solar

Mousam River Solar is a 20.0 MW solar request built and operating in the ISO-NE interconnection queue, in York County, Maine.

Queue statusOperating
  1. PlanningQueued Aug 2019 (completed)
  2. ConsentedJan 2024 (completed)
  3. Construction (completed)
  4. OperatingTarget Sep 2025 (current stage)
  5. Closed (not yet reached)

Request details

Queue ID
910
Grid region
ISO-NE (New England)
Connection point (POI)
34.5 kV bus at CMP Sanford Substation ( 43° 25.746'N, 70° 44.085'W)
Location
York County, Maine
Technology
Solar: 20.0 MW
Total requested
20.0 MW
Service type
Network resource (NRIS)
Study phase
Executed
Queue status
Operational
Entered queue
27 August 2019
Agreement signed
9 January 2024
Proposed online date
September 2025

Location

Marker shows the centre of York County; the queue data does not give exact sites.

Power plants in Maine · Transmission lines in Maine

Other requests in York County

Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem