Where is Three Corners Solar?

In Waldo County, Maine (ME). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

How big is Three Corners Solar?

110 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.

Who owns Three Corners Solar?

EIA-860M names Three Corners Solar, LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.

Is this the same as Three Corners Solar LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Three Corners Solar, LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Three Corners Solar LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Three Corners Solar still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Three Corners Solar

Three Corners Solar is a 110 MW solar farm in Waldo County, Maine, operated by Three Corners Solar, LLC. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 2024.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity: 110 MW; 110 MW net summer
Generating units: 1
In service: 2024
EIA plant ID: 66955

Where it is

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County: Waldo County, Maine
Coordinates: 44.6126, -69.4518
Balancing authority: ISNE
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Three Corners Solar, LLC
Primary energy source: Solar
Technologies: Solar Photovoltaic
Status: Operating

Every plant Three Corners Solar, LLC reports to EIA →

Three Corners Solar: FAQ

Where is Three Corners Solar?: In Waldo County, Maine (ME). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Three Corners Solar?: 110 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Three Corners Solar?: EIA-860M names Three Corners Solar, LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Three Corners Solar LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Three Corners Solar, LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Three Corners Solar LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Three Corners Solar still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.