Natural gasOilOperatingNYISO

Northport

Natural gas power plant in Suffolk County, New York. 1,564 MW of nameplate capacity across 5 generators, operated by National Grid Generation LLC.

Also known as Northport Power Station · EIA plant 2516

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Huntington Resource Recovery FacilityKings Park Solar IKings Park Solar IIATT JerichoRiverheadBrentwoodNorthport5 km
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6 plants within 16 km, from EIA coordinates.

Key facts

Capacity
1,564 MWNatural gas 1,548.0 · Oil 16.0
Generators
5 operatingEIA-860M, August 2026
Operating since
March 1967First generator online
Operator
National Grid Generation LLCEIA operator ID 56505
Grid
NYISOBalancing authority NYIS
Price nodes
4 NYISO nodesResource nodes with prices
Location
Suffolk County, NY40.9236, −73.3423
EIA plant ID
2516EIA plant page

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

How much power Northport produces

Free · EIA-923

Net generation, 2025

4.09 TWh

4,088,643 MWh, final

Capacity factor, 2025

29.8%

2024: 27.0%

January to July 2026

2.39 TWh

Provisional

Range, 2015 to 2025

1.6–4.1

TWh a year. Low 2017, high 2025

Annual net generation, TWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
20006,557,486Not reported12 of 12
20017,269,527Not reported12 of 12
20027,284,148Not reported12 of 12
20036,702,043Not reported11 of 12
20046,684,594Not reported12 of 12
20057,423,740Not reported12 of 12
20065,918,205Not reported12 of 12
20075,510,012Not reported12 of 12
2008309,825Not reported1 of 12
20093,262,481Not reported12 of 12
20104,029,47729.4%12 of 12
20113,469,97125.3%12 of 12
20123,300,67924.0%12 of 12
20133,194,20623.3%12 of 12
20142,681,39119.6%12 of 12
20153,053,32822.3%12 of 12
20162,502,36518.2%12 of 12
20171,627,52011.9%12 of 12
20182,684,04619.6%12 of 12
20192,029,12114.8%12 of 12
20202,952,64321.5%12 of 12
20213,949,14728.8%12 of 12
20222,899,97721.2%12 of 12
20232,390,17217.4%12 of 12
20243,705,05427.0%12 of 12
20254,088,64329.8%12 of 12
2026 (provisional, partial year)2,387,21030.0%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

2.65M

US short tons. 2024: Not reported

SO₂, 2025

Not reported

US short tons

NOx, 2025

1,423

US short tons

CO₂ per MWh, calculated

0.65 t

About 1,295 lb per MWh

5 of 5 EPA units reported CO₂ in 2025 (1, 2, 3, 4, UGT001), matched to EIA plant 2516 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

213,069

million gallons

Consumption, 2024

Not reported

million gallons

Source

Long Island Sound

Surface, Saline. Once-through

Watershed stress

Very low/none · 0.120

USGS SUI, HUC12 Town of Crab Meadow-Frontal Long Island Sound

48 of 48 cooling months report withdrawal. Saline, brackish or ocean intake; not tested. Blank volumes are unreported, not zero.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
2Natural Gas Steam Turbine387.0June 1968
3Natural Gas Steam Turbine387.0July 1972
4Natural Gas Steam Turbine387.0December 1977
GT1Petroleum Liquids16.0March 1967
ST1Natural Gas Steam Turbine387.0July 1967

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 Northport

More plants operated by National Grid Generation LLC

Questions about Northport

How much power does Northport produce?

Northport reported 4,088,643 MWh (4.09 TWh) of net generation in 2025, a 29.8% capacity factor on 1,564 MW of nameplate capacity. From January to July 2026 it reported 2.39 TWh, which is provisional.

Where is Northport?

Northport is in Suffolk County, New York, at 40.9236, −73.3423. It is in the New York Independent System Operator balancing area (NYIS).

Who operates Northport?

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 Northport start operating?

Its first generator began operating in March 1967, according to EIA-860M.

Does InfraMap have power prices for Northport?

Yes. InfraMap has NYISO day-ahead and real-time prices at 4 price nodes linked to Northport, 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