Three Rivers Solar

A 100 MW utility solar project in Hancock County, Maine. Three Rivers Solar has work under way on site. Public records name Three Rivers Solar Power, LLC as its developer. No public record read so far names its builder.

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The record

What the public record says about Three Rivers Solar, as of 23 Oct 2026.

Stage	Under construction
Construction start	Q3 2025 estimate
Size	100 MW
Location	Hancock County, Maine (to about 10 km)
Developer	Three Rivers Solar Power, LLC
Grid operator	ISO-NE
Builder (EPC)	Not named yet
Trade subcontractors	in the app
People to call	in the app
Phase windows	in the app

Every fact in the app links to the public record behind it, with how many records agree and whether it is confirmed, reported or an estimate. What the terms mean.

What happened

Each change dated by the scene or the document, newest first.

29 Mar 2026Grading seen on site from satellite.
8 Aug 2025Satellite imagery shows first ground work on site.
8 Aug 2025Clearing seen on site from satellite.

Who was named on it, and when, is in the app.

Also in Hancock County

Project	Stage	Size
BD Solar EllsworthUtility solar	Operating	7 MW
BD Solar HancockUtility solar	Operating	7 MW
Caterpillar HillUtility solar	Operating	5 MW
Penobscot Narrows Solar IUtility solar	Operating	5 MW
REDP - TrentonUtility solar	Operating	5 MW
BRNG Nicolin (CSG)Utility solar	Operating	3 MW

Utility solar in Maine Every industry in Maine ISO-NE queue How to tell a project is about to break ground

Questions

Three Rivers Solar, in short.

Where is Three Rivers Solar?

Three Rivers Solar is a 100 MW utility solar project in Hancock County, Maine, in ISO-NE's interconnection queue. The public page places it to within about ten kilometres; the precise location is in the subscriber record.

When does construction start on Three Rivers Solar?

Groundtrace estimates construction started in the third quarter of 2025. This is an estimate from the project's filings, not a date any record states; the exact date and the record behind it are in the subscriber record.

Who is developing Three Rivers Solar?

Three Rivers Solar Power, LLC, as the public record names it.

Who is building Three Rivers Solar?

No public record read so far names a builder for Three Rivers Solar. Groundtrace leaves the field empty rather than guess, and fills it when a permit, a filing or the builder's own page names one.