Natural gasOperatingNYISO

Glenwood Landing

Natural gas power plant in Nassau County, New York. 106 MW of nameplate capacity across 2 generators, operated by National Grid Generation LLC.

Also known as Glenwood Generating Station · EIA plant 7869

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Covanta HempsteadAltice - HicksvilleRiverbayGlenwood Landing10 km
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6 plants within 16 km, from EIA coordinates.

Key facts

Capacity
106 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
June 2002First generator online
Operator
National Grid Generation LLCEIA operator ID 56505
Grid
NYISOBalancing authority NYIS
Price nodes
2 NYISO nodesResource nodes with prices
Location
Nassau County, NY40.8275, −73.6478
EIA plant ID
7869EIA plant page

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

How much power Glenwood Landing produces

Free · EIA-923

Net generation, 2025

137 GWh

136,975 MWh, final

Capacity factor, 2025

12.8%

2024: Not reported

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

80.1–203.7

GWh a year. Low 2019, high 2022

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
20030Not reported12 of 12
20040Not reported12 of 12
2005Not reportedNot reported0 of 12
2006145,055Not reported12 of 12
2007128,198Not reported12 of 12
200870,531Not reported12 of 12
200947,342Not reported12 of 12
201098,9939.3%12 of 12
201182,1927.7%12 of 12
2012133,49812.5%12 of 12
2013138,23912.9%12 of 12
2014196,79118.4%12 of 12
2015177,35116.6%12 of 12
2016189,89517.7%12 of 12
2017100,6929.4%12 of 12
201886,4038.1%12 of 12
201980,0937.5%12 of 12
2020106,3759.9%12 of 12
2021143,46313.4%12 of 12
2022203,70619.1%12 of 12
2023154,411Not reported12 of 12
2024129,198Not reported12 of 12
2025136,97512.8%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 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

87,068

US short tons. 2024: 83,754

SO₂, 2025

Not reported

US short tons

NOx, 2025

9

US short tons

CO₂ per MWh, calculated

0.64 t

About 1,271 lb per MWh

3 of 3 EPA units reported CO₂ in 2025 (UGT011, UGT012, UGT013), matched to EIA plant 7869 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

No EIA cooling-water record for this plant in 2024.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
GT4Natural Gas Fired Combustion Turbine53.0June 2002
GT5Natural Gas Fired Combustion Turbine53.0June 2002

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 Glenwood Landing

More plants operated by National Grid Generation LLC

Questions about Glenwood Landing

How much power does Glenwood Landing produce?

Glenwood Landing reported 136,975 MWh (137 GWh) of net generation in 2025, a 12.8% capacity factor on 106 MW of nameplate capacity.

Where is Glenwood Landing?

Glenwood Landing is in Nassau County, New York, at 40.8275, −73.6478. It is in the New York Independent System Operator balancing area (NYIS).

Who operates Glenwood Landing?

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 Glenwood Landing start operating?

Its first generator began operating in June 2002, according to EIA-860M.

Does InfraMap have power prices for Glenwood Landing?

Yes. InfraMap has NYISO day-ahead and real-time prices at 2 price nodes linked to Glenwood Landing, 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
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

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