Marathon Solar Farm LLC South

Marathon Solar Farm LLC South is a 4 MW solar farm in Madison County, New York, operated by Distributed Solar Development, LLC. EIA-860M lists 1 generating unit here, inside NYISO. Its unit entered service in 2020.

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
4.4 MW
4.4 MW net summer
Generating units
1
In service
2020
EIA plant ID
66734

Where it is

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County
Madison County, New York
Coordinates
43.0832, -75.7351
Balancing authority
NYIS
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Distributed Solar Development, LLC
Primary energy source
Solar
Technologies
Solar Photovoltaic
Status
Operating

Every plant Distributed Solar Development, LLC reports to EIA →

Marathon Solar Farm LLC South: FAQ

Where is Marathon Solar Farm LLC South?
In Madison County, New York (NY). 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 Marathon Solar Farm LLC South?
4 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Marathon Solar Farm LLC South?
EIA-860M names Distributed Solar Development, 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 Marathon Solar Farm LLC South LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Distributed Solar Development, 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 "Marathon Solar Farm LLC South LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Marathon Solar Farm LLC South still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.