Where is Chasm Hydro Partnership?

In Franklin 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 Chasm Hydro Partnership?

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

Who owns Chasm Hydro Partnership?

EIA-860M names Ampersand Chasm Hydro 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 Chasm Hydro Partnership LLC?

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

Is Chasm Hydro Partnership still running?

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

Chasm Hydro Partnership

Chasm Hydro Partnership is a 2 MW hydroelectric power plant in Franklin County, New York, operated by Ampersand Chasm Hydro LLC. EIA-860M lists 2 generating units here, inside NYISO. Its units entered service between 1982 and 1984.

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: 1.6 MW; 1 MW net summer
Generating units: 2
In service: 1982–1984
EIA plant ID: 50315

Where it is

Loading map…

County: Franklin County, New York
Coordinates: 44.9318, -74.1125
Balancing authority: NYIS
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Ampersand Chasm Hydro LLC
Primary energy source: Hydro
Technologies: Conventional Hydroelectric
Status: Operating

Every plant Ampersand Chasm Hydro LLC reports to EIA →

Chasm Hydro Partnership: FAQ

Where is Chasm Hydro Partnership?: In Franklin 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 Chasm Hydro Partnership?: 2 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Chasm Hydro Partnership?: EIA-860M names Ampersand Chasm Hydro 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 Chasm Hydro Partnership LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Ampersand Chasm Hydro 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 "Chasm Hydro Partnership LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Chasm Hydro Partnership still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.