Summary of Electricity Activity in Nassau County, NY

Summary of Nassau County, NY Generation

Nassau County, NY is ranked #455 out of 2,192 U.S. counties nationwide and #14 out of 59 New York counties in terms of total annual net electricity generation.

Annual Generation 2.4 TWh
Annual Consumption 34.4 M MMBtu
Last UpdateJun 2026
Power Plants24
Companies on File20

Map of Top Producing Plants in Nassau County, NY

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Overall National Rank

#455 /2,192 U.S. Counties

In Net Annual Generation

Overall State Rank

#14 /59 New York Counties

In Net Annual Generation

Overall Annual Net Geneneration

2.4 TWh

Total Annual Fuel Consumption

34.4 M MMBtu

Electric Companies in Nassau County, NY

20

Nassau County, NY
Power Plants

24

Annual Net Generation From natural gas power

1.9 TWh

National Rank in Terms of natural gas Net Electricity Generation

#259 /928 U.S. Counties

State Rank in Terms of natural gas Net Electricity Generation

#12 /36 New York Counties

Monthly Net Generation for Nassau County, NY

Monthly Plant Fuel Consumption for Nassau County, NY

Net Generation by Fuel Source

Net Generation by Fuel Source Breakdown

State RankNational RankGenerationFuel Consumption
All#14 / 59#455 / 21922.41 TWh34.36 M MMBtu
Natural Gas#12 / 36#259 / 9281.87 TWh22.98 M MMBtu
NON-Biogenic Municipal Solid Waste#1 / 8#6 / 48262.89 GWh5.75 M MMBtu
Biogenic Municipal Solid Waste#1 / 8#6 / 48215.09 GWh4.71 M MMBtu
Residual Fuel Oil#5 / 7#14 / 4841.14 GWh506.15 k MMBtu
Distillate Fuel Oil#5 / 18#88 / 74221.93 GWh397.75 k MMBtu
Solar#55 / 57#1174 / 13182.98 GWh10.54 k MMBtu
Kerosene#3 / 5#10 / 181.05 GWh12.43 k MMBtu

Power Plants in Nassau County, NY

PlantUtility NameGenerationConsumptionFuel Types
E F BarrettNational Grid Generation LLC1.1 TWh15.1 M MMBtu Natural Gas : 95.6% Residual Fuel Oil : 3.8% Distillate Fuel Oil : 0.6%
Bethpage Power PlantCalpine Eastern Corp573.5 GWh5.8 M MMBtu Natural Gas
Covanta HempsteadCovanta Hempstead Company480.0 GWh10.5 M MMBtu Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8%
Glenwood LandingNational Grid Generation LLC137.0 GWh1.6 M MMBtu Natural Gas : 93.7% Distillate Fuel Oil : 6.3%
Equus Freeport PowerEquus Power I, L.P.60.1 GWh616.1 k MMBtu Natural Gas : 99.6%
Plant No 2 FreeportVillage of Freeport - (NY)33.3 GWh400.6 k MMBtu Natural Gas : 97.6% Kerosene : 2.4%
Bloom-Altice Fuel CellOnsite Partners, LLC15.6 GWh119.2 k MMBtu Natural Gas
Altice - HicksvilleBloom Energy15.3 GWh138.8 k MMBtu Natural Gas
GlenwoodNational Grid Generation LLC4.6 GWh76.5 k MMBtu Distillate Fuel Oil
Cedar Creek PVAES Distributed Energy3.0 GWh10.5 k MMBtu Solar
Charles P KellerVillage of Rockville Centre - (NY)1.0 GWh10.5 k MMBtu Natural Gas : 85.6% Distillate Fuel Oil : 14.4%
Mount Sinai South Nassau HospitalMount Sinai South Nassau Hospital33.3 MWh418 MMBtu Distillate Fuel Oil
Plant No 1 FreeportVillage of Freeport - (NY)26.0 MWh371 MMBtu Distillate Fuel Oil
ClermontHecate Grid Clermont 1 LLC0.0 Wh0 MMBtu No Information Available
Farmingdale Fuel CellFarmingdale Fuel Cell, LLC0.0 Wh0 MMBtu No Information Available
Hecate Grid IntrepidHecate Grid Intrepid 1 LLC0.0 Wh0 MMBtu No Information Available
Hofstra UniversityHofstra University0.0 Wh0 MMBtu No Information Available
LIRR Malverne Wayside Energy Storage SysElectrical Power worX Corp0.0 Wh0 MMBtu No Information Available
Mercy Medical CenterMercy Medical Center0.0 Wh0 MMBtu No Information Available
Nassau Energy CorpNassau Energy Corp0.0 Wh0 MMBtu No Information Available
North Shore TowersNorth Shore Towers Apts Inc0.0 Wh0 MMBtu No Information Available
Oceanside EnergyZapco Energy Tactics Corp0.0 Wh0 MMBtu No Information Available
Oyster Bay Energy Partners LPZapco Energy Tactics Corp0.0 Wh0 MMBtu No Information Available
SUNY Old Westbury CollegeSUNY Old Westbury College0.0 Wh0 MMBtu No Information Available

Electricity Generation for Neighboring Counties

National RankCountyNet Generation# Power Plants
#383Bergen County3.3 TWh13
#1019Bronx County456.6 GWh15
#375Essex County3.4 TWh27
#617Hudson County1.4 TWh28
#445Kings County2.6 TWh31
#444New York County2.6 TWh19
#59Queens County13.9 TWh23
#537Richmond County1.8 TWh19
#491Rockland County2.1 TWh10
#1041Westchester County437.8 GWh32

Electricity Generation for Cities Located in Nassau County, NY

State RankCityNet Generation# Power Plants
#315Baldwin, NY5.7 GWh2
#192Bethpage, NY15.6 GWh1
#131Freeport, NY33.3 GWh2
#62Glenwood Landing, NY141.5 GWh2
#407Harbor Hills, NY487.0 MWh3
#22Hicksville, NY588.7 GWh2
#19Inwood, NY655.8 GWh5
#16Island Park, NY1.1 TWh1
#213Lawrence, NY11.6 GWh3
#89Merrick, NY60.1 GWh1
#418Oceanside, NY33.3 MWh3
#400Rockville Centre, NY1.0 GWh2
#369Seaford, NY3.0 GWh1
#26Westbury, NY480.0 GWh1