Natural gasOperatingNYISO

E F Barrett

Natural gas power plant in Nassau County, New York. 669.2 MW of nameplate capacity across 13 generators, operated by National Grid Generation LLC.

Also known as Edward F. Barrett Generation Station · E.F. Barrett · EF Barrett · EIA plant 2511

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Charles P KellerPlant No 1 FreeportEquus Freeport PowerPlant No 2 FreeportJamaica Bay PeakingE F Barrett5 km
Open in the map
6 plants within 9.7 km, from EIA coordinates.

Key facts

Capacity
669.2 MWNameplate
Generators
13 operatingEIA-860M, August 2026
Operating since
November 1956First generator online
Operator
National Grid Generation LLCEIA operator ID 56505
Grid
NYISOBalancing authority NYIS
Price nodes
13 NYISO nodesResource nodes with prices
Location
Nassau County, NY40.6167, −73.6479
EIA plant ID
2511EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power E F Barrett produces

Free · EIA-923

Net generation, 2025

1.17 TWh

1,169,754 MWh, final

Capacity factor, 2025

20.0%

2024: 20.1%

January to July 2026

616 GWh

Provisional

Range, 2015 to 2025

1.2–1.6

TWh a year. Low 2025, high 2016

Annual net generation, TWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
20001,526,351Not reported12 of 12
20011,711,962Not reported12 of 12
20021,789,225Not reported12 of 12
20031,408,850Not reported12 of 12
20041,334,275Not reported12 of 12
20051,305,456Not reported12 of 12
20061,443,428Not reported12 of 12
20071,427,231Not reported12 of 12
20081,180,305Not reported12 of 12
2009994,132Not reported12 of 12
20101,148,97219.1%12 of 12
20111,064,053Not reported12 of 12
20121,146,49519.5%12 of 12
20131,154,51019.7%12 of 12
20141,518,97425.9%12 of 12
20151,538,09426.2%12 of 12
20161,615,26327.5%12 of 12
20171,357,59623.2%12 of 12
20181,436,33624.5%12 of 12
20191,423,78024.3%12 of 12
20201,385,04623.6%12 of 12
20211,516,83225.9%12 of 12
20221,370,82523.4%12 of 12
20231,427,80924.4%12 of 12
20241,183,54020.1%12 of 12
20251,169,75420.0%12 of 12
2026 (provisional, partial year)616,01318.1%7 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · NYISO

Emissions

Free · EPA CAMPD

CO₂, 2025

847,876

US short tons. 2024: 786,161

SO₂, 2025

Not reported

US short tons

NOx, 2025

646

US short tons

CO₂ per MWh, calculated

0.72 t

About 1,450 lb per MWh

17 of 17 EPA units reported CO₂ in 2025 (10, 20, U00004, U00005, U00006, U00007, U00008, U00009, and others), matched to EIA plant 2511 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.

Water use

Free · EIA-923 cooling, USGS

Withdrawal, 2024

66,904

million gallons

Consumption, 2024

0

million gallons

Source

Barnum Island Channel

Surface, Saline. Once-through

Watershed stress

Very low/none · 0.153

USGS SUI, HUC12 Reynolds Channel-East Rockaway Inlet

24 of 24 cooling months report withdrawal. Saline, brackish or ocean intake; not tested. Blank volumes are unreported, not zero.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
3Natural Gas Fired Combustion Turbine18.0June 1970
4Natural Gas Fired Combustion Turbine18.0July 1970
5Natural Gas Fired Combustion Turbine18.0July 1970
6Natural Gas Fired Combustion Turbine18.0July 1970
8Natural Gas Fired Combustion Turbine18.0July 1970
9Natural Gas Fired Combustion Turbine41.8June 1971
10Natural Gas Fired Combustion Turbine41.8June 1971
11Natural Gas Fired Combustion Turbine41.8June 1971
12Natural Gas Fired Combustion Turbine41.8June 1971
GT1Natural Gas Fired Combustion Turbine18.0June 1970
GT2Natural Gas Fired Combustion Turbine18.0June 1970
ST1Natural Gas Steam Turbine188.0November 1956
ST2Natural Gas Steam Turbine188.0October 1963

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists National Grid Generation LLC as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Generation potential vs reported

Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.

Analyst and MCP

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Power plants near E F Barrett

More plants operated by National Grid Generation LLC

Questions about E F Barrett

How much power does E F Barrett produce?

E F Barrett reported 1,169,754 MWh (1.17 TWh) of net generation in 2025, a 20.0% capacity factor on 669.2 MW of nameplate capacity. From January to July 2026 it reported 616 GWh, which is provisional.

Where is E F Barrett?

E F Barrett is in Nassau County, New York, at 40.6167, −73.6479. It is in the New York Independent System Operator balancing area (NYIS).

Who operates E F Barrett?

EIA-860M for August 2026 lists National Grid Generation LLC as the operator (EIA operator ID 56505). The operator is not always the owner.

When did E F Barrett start operating?

Its first generator began operating in November 1956, according to EIA-860M.

Does InfraMap have power prices for E F Barrett?

Yes. InfraMap has NYISO day-ahead and real-time prices at 13 price nodes linked to E F Barrett, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
  • NYISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page