E F Barrett
E F Barrett is a 669 MW natural gas power plant in Nassau County, New York, operated by National Grid Generation LLC. EIA-860M lists 13 generating units here, inside NYISO. Its units entered service between 1956 and 1971.
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
- 669.2 MW
- 653.6 MW net summer
- Generating units
- 13
- In service
- 1956–1971
- EIA plant ID
- 2511
Where it is
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- County
- Nassau County, New York
- Coordinates
- 40.6167, -73.6479
- 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, Natural Gas Steam Turbine
- Status
- Operating
E F Barrett: FAQ
- Where is E F Barrett?
- 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 E F Barrett?
- 669 MW of nameplate capacity across 13 units, as of the EIA-860M release for 2026-07.
- Who owns E F Barrett?
- 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 E F Barrett 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 "E F Barrett LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is E F Barrett still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.