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  3. New York
  4. Suffolk County, NY

Summary of Electricity Activity in Suffolk County, NY

Summary of Suffolk County, NY Generation

Suffolk County, NY is ranked #130 out of 2,165 U.S. counties nationwide and #4 out of 59 New York counties in terms of total annual net electricity generation.

Annual Generation 9.1 TWh
Annual Consumption 90.3 M MMBtu
Last UpdateDec 2025
Power Plants67
Companies on File39

Map of Top Producing Plants in Suffolk County, NY

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Overall National Rank

#130 /2,165 U.S. Counties

In Net Annual Generation

Overall State Rank

#4 /59 New York Counties

In Net Annual Generation

Overall Annual Net Geneneration

9.1 TWh

Total Annual Fuel Consumption

90.3 M MMBtu

Electric Companies in Suffolk County, NY

39

Suffolk County, NY
Power Plants

67

Annual Net Generation From natural gas power

7.5 TWh

National Rank in Terms of natural gas Net Electricity Generation

#77 /928 U.S. Counties

State Rank in Terms of natural gas Net Electricity Generation

#2 /36 New York Counties

Monthly Net Generation for Suffolk County, NY

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Monthly Plant Fuel Consumption for Suffolk County, NY

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Net Generation by Fuel Source

Net Generation by Fuel Source Breakdown

State RankNational RankGenerationFuel Consumption
All#4 / 59#130 / 21659.08 TWh90.29 M MMBtu
Natural Gas#2 / 36#77 / 9287.48 TWh73.87 M MMBtu
Wind#6 / 13#273 / 519536.27 GWh1.99 M MMBtu
Residual Fuel Oil#1 / 7#2 / 48383.88 GWh4.46 M MMBtu
Solar#3 / 57#275 / 1247240.37 GWh855.98 k MMBtu
NON-Biogenic Municipal Solid Waste#3 / 8#11 / 49206.21 GWh4.45 M MMBtu
Biogenic Municipal Solid Waste#3 / 8#11 / 49168.72 GWh3.64 M MMBtu
Kerosene#1 / 5#2 / 1847.58 GWh643.95 k MMBtu
Distillate Fuel Oil#5 / 17#61 / 72923.86 GWh371.53 k MMBtu
Gaseous Propane#1 / 1#3 / 10586.65 MWh11.49 k MMBtu

* Data is based on 12 months since Dec 2025.

Power Plants in Suffolk County, NY

PlantUtility NameGenerationConsumptionFuel Types
NorthportNational Grid Generation LLC4.1 TWh45.2 M MMBtu Natural Gas : 91.3% Residual Fuel Oil : 8.7%
Caithness Long Island Energy CenterCaithness Long Island, LLC2.4 TWh19.3 M MMBtu Natural Gas
South Fork WindOrsted Wind Power North America LLC536.3 GWh2.0 M MMBtu Wind
Richard M FlynnNew York Power Authority469.0 GWh3.8 M MMBtu Natural Gas : 99.9%
Port JeffersonNational Grid Generation LLC337.7 GWh4.1 M MMBtu Natural Gas : 91.0% Residual Fuel Oil : 7.9% Distillate Fuel Oil : 1.1%
Stony Brook Cogen PlantNissequoque Cogen Partners309.3 GWh3.4 M MMBtu Natural Gas
Huntington Resource Recovery FacilityHuntington Resource Recovery198.0 GWh3.6 M MMBtu Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.9%
Reworld Babylon IncReworld Babylon Inc124.1 GWh2.7 M MMBtu Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Distillate Fuel Oil : 0.7%
Pinelawn Power LLCPinelawn Power LLC76.6 GWh767.4 k MMBtu Natural Gas
SWM Fuel CellYaphank Fuel Cell Park, LLC55.6 GWh503.8 k MMBtu Natural Gas
MacArthur Waste to Energy FacilityReworld MacArthur Renewable Energy54.6 GWh1.8 M MMBtu Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6%
Orbit Bloom Fuel CellDG Fuel Cell, LLC45.6 GWh249.5 k MMBtu Natural Gas
Shoreham Solar CommonsDuke Energy Renewables Services44.1 GWh159.2 k MMBtu Solar
Calverton Solar Energy CenterLI Solar Generation, LLC43.7 GWh155.8 k MMBtu Solar
Long Island Solar Farm LLCLong Island Solar Farm LLC42.8 GWh154.0 k MMBtu Solar
Edgewood Energy LLCMPH Cross Island Power39.9 GWh434.6 k MMBtu Natural Gas
BrentwoodNew York Power Authority37.4 GWh436.5 k MMBtu Natural Gas
Riverhead Solar FarmAES Distributed Energy32.9 GWh115.9 k MMBtu Solar
Hawkeye Energy Greenport LLCHawkeye Energy Greenport LLC24.8 GWh277.5 k MMBtu Kerosene
HoltsvilleNational Grid Generation LLC21.3 GWh350.2 k MMBtu Kerosene
Leavenworth Greenworks LLCAES Distributed Energy16.9 GWh59.1 k MMBtu Solar
SL BabylonSL Babylon, LLC13.6 GWh47.8 k MMBtu Solar
East HamptonNational Grid Generation LLC11.6 GWh166.0 k MMBtu Distillate Fuel Oil
Sutter Greenworks LLCAES Distributed Energy8.4 GWh29.8 k MMBtu Solar
ATT JerichoBloom Energy8.3 GWh64.6 k MMBtu Natural Gas
South Oaks HospitalSouth Oak Hospital6.8 GWh96.7 k MMBtu Natural Gas
Wading RiverNational Grid Generation LLC6.1 GWh103.1 k MMBtu Distillate Fuel Oil
CohalanCD US Solar MT1 LLC5.0 GWh17.7 k MMBtu Solar
CalvertonTerraform Arcadia4.5 GWh16.0 k MMBtu Solar
Lincoln Ave Solar ProjectCVI Renewables Holdings, LLC.3.7 GWh13.1 k MMBtu Solar
William Floyd School DistrictWilliam Floyd School District3.2 GWh31.2 k MMBtu Natural Gas : 96.6% Distillate Fuel Oil : 3.4%
Blydenburgh Solar ProjectCVI Renewables Holdings, LLC.2.9 GWh10.2 k MMBtu Solar
Deer ParkCD US Solar MT1 LLC2.8 GWh9.8 k MMBtu Solar
Kings Park Solar IDG LF Solar, LLC2.7 GWh9.4 k MMBtu Solar
Kings Park Solar IIDG LF Solar, LLC2.7 GWh9.4 k MMBtu Solar
Calabro Airport North Solar ProjectCVI Renewables Holdings, LLC.2.4 GWh8.4 k MMBtu Solar
Calabro Airport South Solar ProjectCVI Renewables Holdings, LLC.2.2 GWh7.7 k MMBtu Solar
Sterlington Greenworks LLCAES Distributed Energy2.2 GWh7.7 k MMBtu Solar
Holtsville Solar ProjectCVI Renewables Holdings, LLC.2.0 GWh7.1 k MMBtu Solar
DennisonCD US Solar MT1 LLC1.9 GWh6.8 k MMBtu Solar
Shoreham Energy LLCMPH Cross Island Power1.5 GWh16.2 k MMBtu Kerosene
RiverheadCD US Solar MT1 LLC1.4 GWh5.0 k MMBtu Solar
North CountyCD US Solar MT1 LLC1.1 GWh3.8 k MMBtu Solar
Brentwood SolarCD US Solar MT1 LLC687.0 MWh2.5 k MMBtu Solar
SoutholdNational Grid Generation LLC686.0 MWh15.4 k MMBtu Distillate Fuel Oil
ShorehamNational Grid Generation LLC353.0 MWh13.3 k MMBtu Distillate Fuel Oil
Fishers Island 1Connecticut Mun Elec Engy Coop151.0 MWh1.6 k MMBtu Distillate Fuel Oil
South HamptonNational Grid Generation LLC42.0 MWh4.3 k MMBtu Distillate Fuel Oil
GreenportVillage of Greenport - (NY)15.0 MWh122 MMBtu Distillate Fuel Oil
Saint Catherine of Siena Medical CenterSaint Catherine of Siena Medical Center14.0 MWh324 MMBtu Distillate Fuel Oil
East Hampton Energy Storage CenterEast Hampton Energy Storage Center, LLC-281.0 MWh0 MMBtu No Information Available
Montauk Energy Storage CenterMontauk Energy Storage Center, LLC-854.0 MWh0 MMBtu No Information Available
AES ThamesAES Thames LLC0.0 Wh0 MMBtu No Information Available
Brookhaven FacilityWEHRAN Energy Corporation0.0 Wh0 MMBtu No Information Available
Brookhaven Landfill Solar Farm 1Brookhaven 10.0 Wh0 MMBtu No Information Available
Entenmanns Energy CenterPE Bay Shore LLC0.0 Wh0 MMBtu No Information Available
KCE NY 29, LLCKey Capture Energy0.0 Wh0 MMBtu No Information Available
KCE NY 30, LLCKey Capture Energy0.0 Wh0 MMBtu No Information Available
KCE NY 31, LLCKey Capture Energy0.0 Wh0 MMBtu No Information Available
Manorville IIAgilitas Energy, Inc.0.0 Wh0 MMBtu No Information Available
MontaukNational Grid Generation LLC0.0 Wh0 MMBtu No Information Available
NY CDG 009NY CDG 009 LLC0.0 Wh0 MMBtu No Information Available
Oak Tree Farm Dairy FacilityOak Tree Farm Dairy, Inc.0.0 Wh0 MMBtu No Information Available
Patchogue ESSAgilitas Energy, Inc.0.0 Wh0 MMBtu No Information Available
Smithtown Energy Partners LPZapco Energy Tactics Corp0.0 Wh0 MMBtu No Information Available
Sunrise WindOrsted Wind Power North America LLC0.0 Wh0 MMBtu No Information Available
West BabylonNational Grid Generation LLC0.0 Wh0 MMBtu No Information Available
* Data is based on the last 12 months since Dec 2025.
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Electricity Generation for Neighboring Counties

National RankCountyNet Generation# Power Plants
#1037Bronx County438.8 GWh15
#784Capitol Planning Region796.8 GWh56
#213Greater Bridgeport Planning Region6.5 TWh10
#383Lower Connecticut River Valley Planning Region3.3 TWh16
#442Nassau County2.6 TWh24
#263Naugatuck Valley Planning Region5.2 TWh17
#356South Central Connecticut Planning Region3.6 TWh23
#34Southeastern Connecticut Planning Region17.5 TWh51
#1054Westchester County427.4 GWh31
#1332Western Connecticut Planning Region179.4 GWh15
* Net Generation data is based on the last 12 months since Dec 2025.

Electricity Generation for Cities Located in Suffolk County, NY

State RankCityNet Generation# Power Plants
#262Amityville, NY6.8 GWh1
#77Brentwood, NY78.0 GWh3
#68Calverton, NY108.6 GWh6
#296Central Islip, NY5.0 GWh1
#336Deer Park, NY2.8 GWh1
#23East Hampton, NY547.6 GWh3
#50East Northport, NY198.0 GWh2
#373Fishers Island, NY151.0 MWh2
#144Greenport, NY25.5 GWh3
#330Hauppauge, NY3.0 GWh3
#311Holbrook, NY3.7 GWh1
#25Holtsville, NY492.4 GWh3
#237Huntington, NY8.3 GWh1
#334Islandia, NY2.9 GWh1
#290Kings Park, NY5.4 GWh3
#116Manorville, NY42.8 GWh2
#110Medford, NY45.6 GWh2
#8Northport, NY4.1 TWh1
#31Port Jefferson, NY337.7 GWh1
#361Riverhead, NY1.4 GWh1
#92Ronkonkoma, NY54.6 GWh1
#301Shirley, NY4.5 GWh2
#98Shoreham, NY51.6 GWh4
#384Smithtown, NY14.0 MWh1
#378Southampton, NY42.0 MWh1
#35Stony Brook, NY309.3 GWh1
#371Wading River, NY353.0 MWh1
#49West Babylon, NY214.3 GWh5
#12Yaphank, NY2.4 TWh2
* Net Generation data is based on the last 12 months since Dec 2025.