East Pulaski BESS

East Pulaski BESS is a 2 MW battery storage project in Oswego County, New York, operated by National Grid. EIA-860M lists 1 generating unit here, inside NYISO. Its unit entered service in 2018.

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
2 MW
2 MW net summer
Generating units
1
In service
2018
EIA plant ID
62981

Where it is

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County
Oswego County, New York
Coordinates
43.5466, -76.104
Balancing authority
NYIS
Sector
Electric Utility

Units, technology and status

Operator of record
National Grid
Primary energy source
Battery
Technologies
Batteries
Status
Operating

Every plant National Grid reports to EIA →

East Pulaski BESS: FAQ

Where is East Pulaski BESS?
In Oswego 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 East Pulaski BESS?
2 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns East Pulaski BESS?
EIA-860M names National Grid 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 East Pulaski BESS LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — National Grid 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 "East Pulaski BESS LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is East Pulaski BESS still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.