OSG Solar 1 LLC

OSG Solar 1 LLC is a 3 MW solar farm in Franklin County, Massachusetts, operated by Navisun LLC. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 2012.

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
2.5 MW
2.5 MW net summer
Generating units
1
In service
2012
EIA plant ID
67369

Where it is

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County
Franklin County, Massachusetts
Coordinates
42.6168, -72.2346
Balancing authority
ISNE
Sector
IPP Non-CHP

Units, technology and status

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

Every plant Navisun LLC reports to EIA →

OSG Solar 1 LLC: FAQ

Where is OSG Solar 1 LLC?
In Franklin 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 OSG Solar 1 LLC?
3 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns OSG Solar 1 LLC?
EIA-860M names Navisun LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is OSG Solar 1 LLC still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.