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122 MW Natural Gas Fired Combustion Turbine (106 MW) + Petroleum Liquids (16 MW) operating in Nassau, NY — New York Independent System Operator
122 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Petroleum Liquids
1967
Operating Since
Coordinates
40.8275, -73.6478
County
Nassau, NY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | National Grid Generation LLC | National Grid Generation | — |
| Owner(s) | National Grid Generation LLC | National Grid | — |
| Status | Operating | — | — |
Glenwood Landing is a 122 MW hybrid power plant located in Nassau County, New York. The plant, which began operating in 1967, is owned by National Grid, a company based in the United Kingdom, and operated by National Grid Generation LLC. The facility utilizes three generators with natural gas as its primary fuel, but it also has the capability to use petroleum liquids. Glenwood Landing operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
The plant's latest annual generation was 129,198 MWh, resulting in a capacity factor of 12.0%. Glenwood Landing is ranked as the 31st largest power plant out of 38 in New York state, and 872nd out of 945 nationally. Financial data for the plant is available from FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
New York Independent System Operator (NYIS)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
15.4K MWh
Latest Month
129.2K MWh
Annual Generation
12.0%
Capacity Factor
CO₂ Intensity
1227 lb/MWh
NOx
0.103 lb/MWh
SO₂
0.006 lb/MWh
CH₄
0.023 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
14.4%
Annual Net Gen
154 GWh
CO₂eq
1229 lb/MWh
Subregion
NPCC Long Island
Gas turbine · National Grid Generation LLC · Data from 2023
$0/kW
Installed Cost
$-214/kW
Annual CapEx
$63.8/MWh
Operating Cost
Point of Interconnection
Nearest Substation
KEDC_GLWD_GT4
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
24219
Pricing Hub
NYISO Zone K
Node Source
EIA-860 direct report
Last updated 2026-03-26
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