Where is West Groton CHP?

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 West Groton CHP?

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

Who owns West Groton CHP?

EIA-860M names Hollingsworth & Vose Co West Groton 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 West Groton CHP LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Hollingsworth & Vose Co West Groton 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 "West Groton CHP LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is West Groton CHP still running?

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

West Groton CHP

West Groton CHP is a 4 MW natural gas power plant in Middlesex County, Massachusetts, operated by Hollingsworth & Vose Co West Groton. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 2015.

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: 4.1 MW; 3.3 MW net summer
Generating units: 1
In service: 2015
EIA plant ID: 60276

Where it is

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County: Middlesex County, Massachusetts
Coordinates: 42.6134, -71.6338
Balancing authority: ISNE
Sector: Industrial CHP

Units, technology and status

Operator of record: Hollingsworth & Vose Co West Groton
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combustion Turbine
Status: Operating

Every plant Hollingsworth & Vose Co West Groton reports to EIA →

West Groton CHP: FAQ

Where is West Groton CHP?: 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 West Groton CHP?: 4 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns West Groton CHP?: EIA-860M names Hollingsworth & Vose Co West Groton 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 West Groton CHP LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Hollingsworth & Vose Co West Groton 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 "West Groton CHP LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is West Groton CHP still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.