Where is Lewiston Niagara?

In Niagara 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 Lewiston Niagara?

240 MW of nameplate capacity across 12 units, as of the EIA-860M release for 2026-07.

Who owns Lewiston Niagara?

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 Lewiston Niagara 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 "Lewiston Niagara LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Lewiston Niagara still running?

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

Lewiston Niagara

Lewiston Niagara is a 240 MW pumped storage hydro plant in Niagara County, New York, operated by New York Power Authority. EIA-860M lists 12 generating units here, inside NYISO. Its units entered service between 1961 and 1962.

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: 240 MW; 240 MW net summer
Generating units: 12
In service: 1961–1962
EIA plant ID: 2692

Where it is

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County: Niagara County, New York
Coordinates: 43.143, -79.022
Balancing authority: NYIS
Sector: Electric Utility

Units, technology and status

Operator of record: New York Power Authority
Primary energy source: Pumped storage
Technologies: Hydroelectric Pumped Storage
Status: Operating (11) · Out of service but expected to return to service in next calendar year (1)

Every plant New York Power Authority reports to EIA →

Lewiston Niagara: FAQ

Where is Lewiston Niagara?: In Niagara 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 Lewiston Niagara?: 240 MW of nameplate capacity across 12 units, as of the EIA-860M release for 2026-07.
Who owns Lewiston Niagara?: 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 Lewiston Niagara 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 "Lewiston Niagara LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Lewiston Niagara still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.