Robert Moses Power Dam

Robert Moses Power Dam is a 912 MW hydroelectric power plant in St Lawrence County, New York, operated by New York Power Authority. EIA-860M lists 16 generating units here, inside NYISO. Its units entered service between 1958 and 1959.

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
912 MW
856 MW net summer
Generating units
16
In service
1958–1959
EIA plant ID
2694

Where it is

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County
St Lawrence County, New York
Coordinates
45.0038, -74.7994
Balancing authority
NYIS
Sector
Electric Utility

Units, technology and status

Operator of record
New York Power Authority
Primary energy source
Hydro
Technologies
Conventional Hydroelectric
Status
Operating (15) · Out of service but expected to return to service in next calendar year (1)

Every plant New York Power Authority reports to EIA →

Robert Moses Power Dam: FAQ

Where is Robert Moses Power Dam?
In St Lawrence 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 Robert Moses Power Dam?
912 MW of nameplate capacity across 16 units, as of the EIA-860M release for 2026-07.
Who owns Robert Moses Power Dam?
EIA-860M names New York Power Authority 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 Robert Moses Power Dam LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — New York Power Authority 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 "Robert Moses Power Dam LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Robert Moses Power Dam still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.