Where is Glenwood Landing?

In Nassau 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 Glenwood Landing?

122 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.

Who owns Glenwood Landing?

EIA-860M names National Grid Generation 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 Glenwood Landing LLC?

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

Is Glenwood Landing still running?

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

Glenwood Landing

Glenwood Landing is a 122 MW natural gas power plant in Nassau County, New York, operated by National Grid Generation LLC. EIA-860M lists 3 generating units here, inside NYISO. Its units entered service between 1967 and 2002.

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: 122 MW; 97.7 MW net summer
Generating units: 3
In service: 1967–2002
EIA plant ID: 7869

Where it is

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County: Nassau County, New York
Coordinates: 40.8275, -73.6478
Balancing authority: NYIS
Sector: Electric Utility

Units, technology and status

Operator of record: National Grid Generation LLC
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combustion Turbine, Petroleum Liquids
Status: Operating (2) · Standby/Backup (1)

This site runs on more than one energy source. EIA-860M capacity splits: Natural gas 106 MW, Petroleum 16 MW. It is filed here under Natural gas, the source with the most capacity.

Every plant National Grid Generation LLC reports to EIA →

Glenwood Landing: FAQ

Where is Glenwood Landing?: In Nassau 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 Glenwood Landing?: 122 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Glenwood Landing?: EIA-860M names National Grid Generation 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 Glenwood Landing LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — National Grid Generation 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 "Glenwood Landing LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Glenwood Landing still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.