2. Balancing Authorities
  3. New York Independent System Operator

New York Independent System Operator

Balancing Authority Summary Information

New York Independent System Operator is ranked #12 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityNew York Independent System Operator
States New Jersey New York
Last Update Nov 2025
Annual Generation 131.6 TWh
Power Plants1,211
Utilities601
Ranked #12 out of 65 in terms of net annual generation
Ranked #10 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 52.7% Nuclear | 21.2% Water | 18.4% Wind | 5.2% Other Fuel | 2.2%

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Daily Net Generation for New York Independent System Operator for the past 3 Years

List of All New York Independent System Operator Power Plants

Displaying Results 1 to 100 of 901
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Lederle LaboratoriesVeolia NA - Municipal & Commercial BusinessPearl River, NY150 GWhJun 1990Sep 2025 Natural Gas : 99.5%
Roseton Generating FacilityCCI Roseton LLCNewsburgh, NY457 GWhAug 1974Sep 2025 Natural Gas : 86.1% Residual Fuel Oil : 13.9%
Copenhagen Wind FarmEDF Renewable Asset Holdings, Inc.Copenhagen, NY262 GWhNov 2018Sep 2025 Wind
Maple Ridge Wind FarmFlat Rock Windpower, LLCLowville, NY714 GWhNov 2005Sep 2025 Wind
Long Island Solar Farm LLCLong Island Solar Farm LLCUpton, NY47 GWhNov 2011Sep 2025 Solar
Onondaga County Resource RecoveryCovanta Onondega LPJamesville, NY206 GWhOct 1994Sep 2025 Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9%
Steel SunCleanCapital HoldingsLackawanna, NY4 GWhNov 2016Sep 2025 Solar
Arthur Kill Generating StationNRG Arthur Kill Operations IncStaten Island, NY2 TWhAug 1959Sep 2025 Natural Gas
East RiverConsolidated Edison Co-NY IncNew York, NY3 TWhOct 1951Sep 2025 Natural Gas
RavenswoodRavenswood Operations LLCLong Island, NY3 TWhJan 1963Sep 2025 Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
Reworld Niagara IReworld Niagara I, LLCNiagara Falls, NY128 GWhJul 1980Sep 2025 Non-biogenic Municipal Solid Waste : 49.6% Biogenic Municipal Solid Waste : 40.6% Natural Gas : 9.9%
Madison Windpower LLCMadison Windpower LLCMadison, NY543 MWhSep 2000Sep 2025 Wind
E F BarrettNational Grid Generation LLCIsland Park, NY1 TWhOct 1956Sep 2025 Natural Gas : 98.8% Residual Fuel Oil : 1.0%
R E Ginna Nuclear Power PlantConstellation NuclearOntario, NY5 TWhJun 1970Sep 2025 Nuclear
Morris Ridge SolarMorris Ridge Solar Energy Center, LLCMount Morris, NY288 GWhOct 2024Sep 2025 Solar
NorthportNational Grid Generation LLCNorthport, NY4 TWhFeb 1967Sep 2025 Natural Gas : 94.8% Residual Fuel Oil : 5.2%
Port JeffersonNational Grid Generation LLCPort Jefferson, NY246 GWhOct 1958Sep 2025 Natural Gas : 89.8% Residual Fuel Oil : 9.5% Distillate Fuel Oil : 0.7%
Town of Williamson Landfill PVMN8 Energy LLCWilliamson, NY1 GWhNov 2014Sep 2025 Solar
Bethlehem Energy CenterGB II New York LLCGlenmont, NY4 TWhJun 2005Sep 2025 Natural Gas
Covanta HempsteadCovanta Hempstead CompanyWestbury, NY593 GWhMar 1989Sep 2025 Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9%
Ticonderoga MillSylvamo North America LLCTiconderoga, NY203 GWhDec 1969Sep 2025 Natural Gas : 57.6% Black Liquor : 35.6% Residual Fuel Oil : 3.8% Wood/Wood Waste Solids : 2.9%
Wheelabrator WestchesterWheelabrator Environmental SystemsPeekskill, NY384 GWhSep 1984Sep 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Wheelabrator Hudson FallsWheelabrator Environmental SystemsHudson Falls, NY63 GWhOct 1991Sep 2025 Non-biogenic Municipal Solid Waste : 53.7% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.3%
Astoria EnergyAstoria Energy LLCNew York, NY4 TWhApr 2006Sep 2025 Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
Bayonne Energy CenterBayonne Energy Center LLCBayonne, NJ925 GWhMay 2012Sep 2025 Natural Gas
Marble River Wind FarmMarble River, LLCChurubusco, NY474 GWhOct 2012Sep 2025 Wind
Brooklyn Navy Yard CogenerationBrooklyn Navy Yard Cogen PLPBrooklyn, NY2 TWhFeb 1996Sep 2025 Natural Gas : 97.9% Distillate Fuel Oil : 2.1%
Ball Hill Wind Energy, LLCBall Hill Wind Energy, LLCForestville, NY289 GWhNov 2023Sep 2025 Wind
Roaring Brook, LLCAvangrid Power LLCLowville, NY206 GWhSep 2021Sep 2025 Wind
Cassadaga Wind FarmBig Sky Wind, LLCCherry Creek, NY245 GWhJun 2021Sep 2025 Wind
East Point Energy CenterEast Point Energy Center, LLCSharon Springs, NY96 GWhApr 2024Sep 2025 Solar
High River Energy Center, LLCHigh River Energy Center, LLCFlorida, NY173 GWhJul 2024Sep 2025 Solar
Shoreham Solar CommonsDuke Energy Renewables ServicesShoreham, NY48 GWhJun 2018Sep 2025 Solar
James A FitzpatrickConstellation NuclearLycoming, NY7 TWhJul 1976Sep 2025 Nuclear
Linden Cogen PlantEFS Cogen Holdings I LLCLinden, NJ6 TWhFeb 1992Sep 2025 Natural Gas : 98.3% Other Gas : 1.1% Distillate Fuel Oil : 0.6%
Huntington Resource Recovery FacilityHuntington Resource RecoveryEast Northport, NY198 GWhNov 1991Sep 2025 Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.9%
Nine Mile Point Nuclear StationConstellation NuclearLycoming, NY16 TWhNov 1969Sep 2025 Nuclear
MacArthur Waste to Energy FacilityReworld MacArthur Renewable EnergyRonkonkoma, NY56 GWhFeb 1990Sep 2025 Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.8%
Reworld Babylon IncReworld Babylon IncWest Babylon, NY124 GWhDec 1988Sep 2025 Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Distillate Fuel Oil : 0.6%
RED-Rochester, LLCRED-Rochester, LLCRochester, NY338 GWhJul 1954Sep 2025 Natural Gas
ZeltmannNew York Power AuthorityAstoria, NY3 TWhNov 2005Sep 2025 Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
Athens Generating PlantNew Athens Generating Company LLCAthens, NY3 TWhMar 2003Sep 2025 Natural Gas
Seneca EnergySeneca Energy IISeneca Falls, NY56 GWhFeb 1996Sep 2025 Landfill Gas
Empire Generating Co LLCEmpire Generating Co LLCRensselaer, NY3 TWhAug 2010Sep 2025 Natural Gas : 98.6% Distillate Fuel Oil : 1.4%
Cricket Valley EnergyCricket Valley Energy Center LLCDover, NY4 TWhMar 2020Sep 2025 Natural Gas
CPV Valley Energy CenterCPV Valley, LLCWawayanda, NY5 TWhApr 2018Sep 2025 Natural Gas
Caithness Long Island Energy CenterCaithness Long Island, LLCYaphank, NY2 TWhJul 2009Sep 2025 Natural Gas
Sithe Independence StationSithe/Independence LLCOswego, NY6 TWhJul 1994Sep 2025 Natural Gas
Jericho Rise Wind Farm LLCJericho Rise Wind Farm LLCChateaugay, NY229 GWhNov 2016Sep 2025 Wind
Astoria Energy IIAstoria Energy II LLCAstoria, NY3 TWhJun 2011Sep 2025 Natural Gas : 96.4% Distillate Fuel Oil : 3.6%
Tannery Road LandfillTannery Road Solar, LLCRome, NY3 GWhJul 2016Sep 2025 Solar
Bluestone Wind, LLCBluestone Wind, LLCSanford, NY321 GWhSep 2023Sep 2025 Wind
Arkwright Summit Wind Farm LLCArkwright Summit Wind Farm LLCFredonia, NY255 GWhJul 2018Sep 2025 Wind
Baron Winds FarmBig Sky Wind, LLCCohocton, NY357 GWhJan 2023Sep 2025 Wind
Henkel U.S. Operations CorporationHenkel U.S. Operations CorporationGeneva, NY2 GWhDec 2011Sep 2025 Wind
Eight Point WindEight Point Wind, LLCRexville, NY271 GWhJan 2023Sep 2025 Wind
South Fork WindOrsted Wind Power North America LLCEast Hampton, NY521 GWhJun 2024Sep 2025 Wind
Number Three Wind ProjectInvenergy Services LLCLowville, NY298 GWhApr 2023Sep 2025 Wind
Robert Moses Power DamNew York Power AuthorityMassena, NY7 TWhJun 1958Sep 2025 Water
Robert Moses NiagaraNew York Power AuthorityLewiston, NY15 TWhDec 1960Sep 2025 Water
Oswego Harbor PowerOswego Harbor PowerOswego, NY91 GWhMay 1975Aug 2025 Residual Fuel Oil : 99.5%
Bowline PointBowline, LLCWest Haverstraw, NY2 TWhAug 1972Aug 2025 Natural Gas : 98.3% Residual Fuel Oil : 1.7%
Cornell HydroCornell HydroIthaca, NY4 GWhNov 1981Jul 2025 Water
Upper MechanicvilleNew York State Elec & Gas CorpTown of Stillwater, NY79 GWhAug 1983Dec 2024 Water
DashvilleCentral Hudson Gas & Elec CorpDashville, NY9 GWhDec 1919Dec 2024 Water
Vischer FerryNew York Power AuthorityRexford, NY56 GWhJun 1924Dec 2024 Water
Gowanus Gas Turbines GeneratingU S Power Generating Company LLCBrooklyn, NY11 GWhMay 1971Dec 2024 Natural Gas : 99.9%
Narrows Gas Turbines GeneratingU S Power Generating Company LLCBrooklyn, NY40 GWhApr 1972Dec 2024 Natural Gas : 96.7% Distillate Fuel Oil : 3.3%
South HamptonNational Grid Generation LLCSouthampton, NY42 MWhFeb 1963Dec 2024 Distillate Fuel Oil
SoutholdNational Grid Generation LLCGreenport, NY686 MWhJul 1964Dec 2024 Distillate Fuel Oil
CadyvilleNew York State Elec & Gas CorpTown ofSchuyler Falls, NY24 GWhJul 1921Dec 2024 Water
Greenidge Generation LLCGreenidge Generation Holdings LLCDresden, NY674 GWhNov 1953Dec 2024 Natural Gas
Harris LakeNew York State Elec & Gas CorpTown of Newcomb, NY1 MWhAug 1967Dec 2024 Distillate Fuel Oil
GreenportVillage of Greenport - (NY)Greenport, NY15 MWhMay 1957Dec 2024 Distillate Fuel Oil
Allens FallsErie Boulevard Hydropower LPParishville, NY29 GWhDec 1926Dec 2024 Water
ElmerErie Boulevard Hydropower LPCroghan, NY10 GWhDec 1915Dec 2024 Water
EphratahErie Boulevard Hydropower LPSaint Johnsville, NY5 GWhDec 1910Dec 2024 Water
Flat RockErie Boulevard Hydropower LPFine, NY19 GWhDec 1923Dec 2024 Water
Franklin (NY)Erie Boulevard Hydropower LPFranklin, NY12 GWhDec 1910Dec 2024 Water
Fulton HydroErie Boulevard Hydropower LPFulton, NY6 GWhDec 1923Dec 2024 Water
Glenwood HydroErie Boulevard Hydropower LPMedina, NY6 GWhDec 1949Dec 2024 Water
GranbyErie Boulevard Hydropower LPFulton, NY36 GWhDec 1982Dec 2024 Water
HannawaErie Boulevard Hydropower LPPierrepont, NY53 GWhDec 1913Dec 2024 Water
HerringsErie Boulevard Hydropower LPCarthage, NY23 GWhDec 1923Dec 2024 Water
HeuveltonErie Boulevard Hydropower LPVillage of Heuvelton, NY5 GWhDec 1923Dec 2024 Water
High DamOswego City ofOswego, NY26 GWhJul 1928Dec 2024 Water
High Falls - Croghan NYErie Boulevard Hydropower LPCroghan, NY29 GWhDec 1924Dec 2024 Water
HigleyErie Boulevard Hydropower LPColton, NY37 GWhAug 2003Dec 2024 Water
InghamsErie Boulevard Hydropower LPLittle Falls, NY27 GWhDec 1911Dec 2024 Water
Johnsonville DamErie Boulevard Hydropower LPJohnsonville, NY8 GWhDec 1908Dec 2024 Water
KamargoErie Boulevard Hydropower LPBlack River, NY27 GWhDec 1920Dec 2024 Water
Lighthouse HillErie Boulevard Hydropower LPAltmar, NY19 GWhDec 1929Dec 2024 Water
Plant No 2 FreeportVillage of Freeport - (NY)Freeport, NY31 GWhApr 1973Dec 2024 Natural Gas : 99.7%
Burns Road SolarPivot EnergyAngola, NY3 GWhFeb 2024Dec 2024 Solar
Trenton FallsErie Boulevard Hydropower LPBarneveld, NY141 GWhDec 1918Dec 2024 Water
VarickErie Boulevard Hydropower LPOswego, NY22 GWhDec 1925Dec 2024 Water
WaterportErie Boulevard Hydropower LPWaterport, NY12 GWhDec 1920Dec 2024 Water
GrahamsvilleNew York Power AuthorityGrahamsville, NY82 GWhDec 1955Dec 2024 Water
HillburnAlliance NYGT, LLCHillburn, NY527 MWhJun 1972Dec 2024 Natural Gas
RioEagle Creek Renewable Energy, LLCGlen Spey, NY21 GWhNov 1927Dec 2024 Water

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#61Alcoa Power Generating, Inc. - Yadkin Division696.7 GWh4
#25Dominion Energy South Carolina, Inc.25.7 TWh87
#13Duke Energy Carolinas112.5 TWh565
#17Duke Energy Progress East64.3 TWh559
#52Duke Energy Progress West4.3 TWh10
#15ISO New England105.5 TWh1,577
#24Louisville Gas and Electric Company and Kentucky Utilities Company34.4 TWh25
#1PJM Interconnection, LLC870.7 TWh2,465
#30South Carolina Public Service Authority18.9 TWh34
#59Southeastern Power Administration1.5 TWh11

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#6Southern Company Services, Inc. - Trans250.9 TWh417
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England105.5 TWh1,577
#16Bonneville Power Administration80.5 TWh163
#17Duke Energy Progress East64.3 TWh559
#18PacifiCorp East61.1 TWh216