Where is Iron Horse Solar I CSG?

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 Iron Horse Solar I CSG?

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

Who owns Iron Horse Solar I CSG?

EIA-860M names Iron Horse Solar 1, 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 Iron Horse Solar I CSG LLC?

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

Is Iron Horse Solar I CSG still running?

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

Iron Horse Solar I CSG

Iron Horse Solar I CSG is a 3 MW solar farm in Middlesex County, Massachusetts, operated by Iron Horse Solar 1, LLC. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 2016.

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: 2.9 MW; 2.9 MW net summer
Generating units: 1
In service: 2016
EIA plant ID: 60855

Where it is

Loading map…

County: Middlesex County, Massachusetts
Coordinates: 42.5829, -71.2464
Balancing authority: ISNE
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Iron Horse Solar 1, LLC
Primary energy source: Solar
Technologies: Solar Photovoltaic
Status: Operating

Every plant Iron Horse Solar 1, LLC reports to EIA →

Iron Horse Solar I CSG: FAQ

Where is Iron Horse Solar I CSG?: 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 Iron Horse Solar I CSG?: 3 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Iron Horse Solar I CSG?: EIA-860M names Iron Horse Solar 1, 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 Iron Horse Solar I CSG LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Iron Horse Solar 1, 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 "Iron Horse Solar I CSG LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Iron Horse Solar I CSG still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.