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110 MW Distillate Oil operating in Nassau, NY — New York Independent System Operator
110 MW
Nameplate Capacity
2
Generators
units
Petroleum Liquids
Technology
1972
Operating Since
Coordinates
40.8261, -73.6475
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 is a 110 MW petroleum-fueled power plant located in Nassau County, New York. The plant began operating in 1972 and has two generators utilizing petroleum liquids technology. It is owned by National Grid, a company based in the United Kingdom, and operated by National Grid Generation LLC. The plant operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
In the most recent year with available data, Glenwood generated 2,566 MWh, resulting in a capacity factor of 0.3%. Financial data indicates an installed cost of $201.07 per kW, based on FERC filings. Glenwood is ranked as the 3rd largest petroleum plant in New York, and 60th nationally among plants using the same fuel.
Generated from EIA, GEM, and public data sources
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
14 MWh
Latest Month
2.6K MWh
Annual Generation
0.3%
Capacity Factor
CO₂ Intensity
6389 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
23 lb/MWh
SO₂
Gas turbine · National Grid Generation LLC · Data from 2015–2024
$240/kW
Installed Cost
$240/kW
Annual CapEx
$107.5/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
GLENWOOD_IC_2_G1
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
23688
Pricing Hub
NYISO Zone K
Node Source
EIA-860 direct report
Last updated 2026-03-26
View all 10 articlesNo ask pi reports yet for this entity.
ask pi about GlenwoodNew York Independent System Operator (NYIS)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.028 lb/MWh
CH₄
0.260 lb/MWh
N₂O
0.052 lb/MWh
Capacity Factor
0.1%
Annual Net Gen
1 GWh
CO₂eq
6410 lb/MWh
Subregion
NPCC Long Island