Where is Treasure Lane Solar 1?

In Kennebec 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 Treasure Lane Solar 1?

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

Who owns Treasure Lane Solar 1?

EIA-860M names AES Clean Energy 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 Treasure Lane Solar 1 LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — AES Clean Energy 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 "Treasure Lane Solar 1 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Treasure Lane Solar 1 still running?

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

Treasure Lane Solar 1

Treasure Lane Solar 1 is a 5 MW solar farm in Kennebec County, Maine, operated by AES Clean Energy. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 2023.

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: 4.5 MW; 4.5 MW net summer
Generating units: 1
In service: 2023
EIA plant ID: 66174

Where it is

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County: Kennebec County, Maine
Coordinates: 44.3352, -69.8401
Balancing authority: ISNE
Sector: IPP Non-CHP

Units, technology and status

Operator of record: AES Clean Energy
Primary energy source: Solar
Technologies: Solar Photovoltaic
Status: Operating

Every plant AES Clean Energy reports to EIA →

Treasure Lane Solar 1: FAQ

Where is Treasure Lane Solar 1?: In Kennebec 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 Treasure Lane Solar 1?: 5 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Treasure Lane Solar 1?: EIA-860M names AES Clean Energy 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 Treasure Lane Solar 1 LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — AES Clean Energy 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 "Treasure Lane Solar 1 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Treasure Lane Solar 1 still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.