Where is Acton Solar Landfill?

In Middlesex County, Massachusetts (MA). 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 Acton Solar Landfill?

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

Who owns Acton Solar Landfill?

EIA-860M names Heliovaas 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 Acton Solar Landfill LLC?

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

Is Acton Solar Landfill still running?

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

Acton Solar Landfill

Acton Solar Landfill is a 2 MW solar farm in Middlesex County, Massachusetts, operated by Heliovaas LLC. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 2013.

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: 1.5 MW; 1.5 MW net summer
Generating units: 1
In service: 2013
EIA plant ID: 59543

Where it is

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County: Middlesex County, Massachusetts
Coordinates: 42.4733, -71.4306
Balancing authority: ISNE
Sector: Commercial Non-CHP

Units, technology and status

Operator of record: Heliovaas LLC
Primary energy source: Solar
Technologies: Solar Photovoltaic
Status: Operating

Every plant Heliovaas LLC reports to EIA →

Acton Solar Landfill: FAQ

Where is Acton Solar Landfill?: In Middlesex County, Massachusetts (MA). 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 Acton Solar Landfill?: 2 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Acton Solar Landfill?: EIA-860M names Heliovaas 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 Acton Solar Landfill LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Heliovaas 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 "Acton Solar Landfill LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Acton Solar Landfill still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.