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 Jan 2026
Annual Generation 132.6 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 | 53.2% Nuclear | 21.1% Water | 18.1% Wind | 5.3% 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
Nine Mile Point Nuclear StationConstellation NuclearLycoming, NY16 TWhNov 1969Oct 2025 Nuclear
Robert Moses NiagaraNew York Power AuthorityLewiston, NY14 TWhDec 1960Oct 2025 Water
James A FitzpatrickConstellation NuclearLycoming, NY7 TWhJul 1976Oct 2025 Nuclear
Robert Moses Power DamNew York Power AuthorityMassena, NY7 TWhJun 1958Oct 2025 Water
Sithe Independence StationSithe/Independence LLCOswego, NY6 TWhJul 1994Oct 2025 Natural Gas
Linden Cogen PlantEFS Cogen Holdings I LLCLinden, NJ6 TWhFeb 1992Oct 2025 Natural Gas : 98.4% Other Gas : 1.1%
R E Ginna Nuclear Power PlantConstellation NuclearOntario, NY5 TWhJun 1970Oct 2025 Nuclear
CPV Valley Energy CenterCPV Valley, LLCWawayanda, NY5 TWhApr 2018Oct 2025 Natural Gas
Cricket Valley EnergyCricket Valley Energy Center LLCDover, NY4 TWhMar 2020Oct 2025 Natural Gas
NorthportNational Grid Generation LLCNorthport, NY4 TWhFeb 1967Oct 2025 Natural Gas : 94.9% Residual Fuel Oil : 5.1%
Astoria EnergyAstoria Energy LLCNew York, NY4 TWhApr 2006Oct 2025 Natural Gas : 98.2% Distillate Fuel Oil : 1.8%
Bethlehem Energy CenterGB II New York LLCGlenmont, NY4 TWhJun 2005Oct 2025 Natural Gas
ZeltmannNew York Power AuthorityAstoria, NY3 TWhNov 2005Oct 2025 Natural Gas : 98.2% Distillate Fuel Oil : 1.8%
Athens Generating PlantNew Athens Generating Company LLCAthens, NY3 TWhMar 2003Oct 2025 Natural Gas
Empire Generating Co LLCEmpire Generating Co LLCRensselaer, NY3 TWhAug 2010Oct 2025 Natural Gas : 98.7% Distillate Fuel Oil : 1.3%
RavenswoodRavenswood Operations LLCLong Island, NY3 TWhJan 1963Oct 2025 Natural Gas : 98.4% Distillate Fuel Oil : 1.6%
East RiverConsolidated Edison Co-NY IncNew York, NY3 TWhOct 1951Oct 2025 Natural Gas
Astoria Energy IIAstoria Energy II LLCAstoria, NY3 TWhJun 2011Oct 2025 Natural Gas : 96.3% Distillate Fuel Oil : 3.7%
Caithness Long Island Energy CenterCaithness Long Island, LLCYaphank, NY2 TWhJul 2009Oct 2025 Natural Gas
Arthur Kill Generating StationNRG Arthur Kill Operations IncStaten Island, NY2 TWhAug 1959Oct 2025 Natural Gas
Brooklyn Navy Yard CogenerationBrooklyn Navy Yard Cogen PLPBrooklyn, NY2 TWhFeb 1996Oct 2025 Natural Gas : 97.9% Distillate Fuel Oil : 2.1%
Bowline PointBowline, LLCWest Haverstraw, NY2 TWhAug 1972Aug 2025 Natural Gas : 98.3% Residual Fuel Oil : 1.7%
E F BarrettNational Grid Generation LLCIsland Park, NY1 TWhOct 1956Oct 2025 Natural Gas : 98.8% Residual Fuel Oil : 1.0%
Bayonne Energy CenterBayonne Energy Center LLCBayonne, NJ931 GWhMay 2012Oct 2025 Natural Gas
Astoria Generating StationU S Power Generating Company LLCAstoria, NY871 GWhFeb 1954Dec 2024 Natural Gas : 99.9%
Maple Ridge Wind FarmFlat Rock Windpower, LLCLowville, NY696 GWhNov 2005Oct 2025 Wind
Greenidge Generation LLCGreenidge Generation Holdings LLCDresden, NY674 GWhNov 1953Dec 2024 Natural Gas
Covanta HempsteadCovanta Hempstead CompanyWestbury, NY590 GWhMar 1989Oct 2025 Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9%
Roseton Generating FacilityCCI Roseton LLCNewsburgh, NY577 GWhAug 1974Oct 2025 Natural Gas : 89.0% Residual Fuel Oil : 11.0%
Bethpage Power PlantCalpine Eastern CorpHicksville, NY573 GWhJul 1989Dec 2024 Natural Gas
South Fork WindOrsted Wind Power North America LLCEast Hampton, NY538 GWhJun 2024Oct 2025 Wind
Richard M FlynnNew York Power AuthorityHoltsville, NY469 GWhApr 1994Dec 2024 Natural Gas : 99.9%
Marble River Wind FarmMarble River, LLCChurubusco, NY465 GWhOct 2012Oct 2025 Wind
Indeck Corinth Energy CenterIndeck-Corinth Ltd PartnershipCorinth, NY422 GWhJan 1995Dec 2024 Natural Gas
Kennedy International Airport CogenKIAC PartnersJamaica, NY399 GWhNov 1994Dec 2024 Natural Gas
Wheelabrator WestchesterWheelabrator Environmental SystemsPeekskill, NY381 GWhSep 1984Oct 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Saranac FacilitySaranac Power Partners LPPlattsburgh, NY355 GWhMay 1994Dec 2024 Natural Gas
Baron Winds FarmBig Sky Wind, LLCCohocton, NY351 GWhJan 2023Oct 2025 Wind
RED-Rochester, LLCRED-Rochester, LLCRochester, NY342 GWhJul 1954Oct 2025 Natural Gas
Curtis Palmer HydroelectricPalmer HydroelectricCorinth, NY326 GWhSep 1985Dec 2024 Water
Bluestone Wind, LLCBluestone Wind, LLCSanford, NY321 GWhSep 2023Oct 2025 Wind
Morris Ridge SolarMorris Ridge Solar Energy Center, LLCMount Morris, NY315 GWhOct 2024Oct 2025 Solar
Stony Brook Cogen PlantNissequoque Cogen PartnersStony Brook, NY309 GWhMar 1995Dec 2024 Natural Gas
World Generation XNorth American Energy ServicesNorth Tonawanda, NY308 GWhJun 1993Sep 2024 Natural Gas
Ball Hill Wind Energy, LLCBall Hill Wind Energy, LLCForestville, NY291 GWhNov 2023Oct 2025 Wind
Number Three Wind ProjectInvenergy Services LLCLowville, NY290 GWhApr 2023Oct 2025 Wind
Port JeffersonNational Grid Generation LLCPort Jefferson, NY269 GWhOct 1958Oct 2025 Natural Gas : 90.7% Residual Fuel Oil : 8.7% Distillate Fuel Oil : 0.6%
Eight Point WindEight Point Wind, LLCRexville, NY269 GWhJan 2023Oct 2025 Wind
Copenhagen Wind FarmEDF Renewable Asset Holdings, Inc.Copenhagen, NY258 GWhNov 2018Oct 2025 Wind
Arkwright Summit Wind Farm LLCArkwright Summit Wind Farm LLCFredonia, NY257 GWhJul 2018Oct 2025 Wind
Cassadaga Wind FarmBig Sky Wind, LLCCherry Creek, NY249 GWhJun 2021Oct 2025 Wind
Spier FallsErie Boulevard Hydropower LPGansevoort, NY249 GWhDec 1923Sep 2024 Water
Stony Creek Wind Farm NYInvenergy Services LLCStrykersville, NY233 GWhOct 2013Dec 2024 Wind
Cornell University Central HeatCornell UniversityIthaca, NY222 GWhJun 1988Dec 2024 Natural Gas : 99.9%
Jericho Rise Wind Farm LLCJericho Rise Wind Farm LLCChateaugay, NY219 GWhNov 2016Oct 2025 Wind
WethersfieldValcour Operating Services, LLCGainsville, NY219 GWhMar 2009Dec 2024 Wind
Hudson Falls Hydroelectric ProjectBoralex Hydro Operations IncSouth Glens Falls, NY210 GWhOct 1995Dec 2024 Water
Ticonderoga MillSylvamo North America LLCTiconderoga, NY205 GWhDec 1969Oct 2025 Natural Gas : 57.6% Black Liquor : 35.5% Residual Fuel Oil : 3.9% Wood/Wood Waste Solids : 3.0%
Roaring Brook, LLCAvangrid Power LLCLowville, NY204 GWhSep 2021Oct 2025 Wind
Cohocton Wind ProjectEvergreen Wind, LLCCohocton, NY204 GWhDec 2008Dec 2024 Wind
Onondaga County Resource RecoveryCovanta Onondega LPJamesville, NY202 GWhOct 1994Oct 2025 Non-biogenic Municipal Solid Waste : 54.4% Biogenic Municipal Solid Waste : 44.5% Natural Gas : 1.0%
High Sheldon Wind FarmInvenergy Services LLCStrykersville, NY201 GWhJan 2009Dec 2024 Wind
Huntington Resource Recovery FacilityHuntington Resource RecoveryEast Northport, NY198 GWhNov 1991Oct 2025 Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.9%
ColtonErie Boulevard Hydropower LPPierrepont, NY195 GWhDec 1917Dec 2024 Water
Sherman IslandErie Boulevard Hydropower LPQueensbury, NY175 GWhDec 1922Dec 2024 Water
Bliss (NY)Valcour Operating Services, LLCBliss, NY171 GWhApr 2008Dec 2024 Wind
ChateaugayValcour Operating Services, LLCChateaugay, NY170 GWhMar 2009Dec 2024 Wind
Carr Street Generating StationCarr Street Generating Sta LPEast Syracuse, NY169 GWhJun 1993Dec 2024 Natural Gas
Hardscrabble Wind Power LLCAvangrid Power LLCLittle Falls, NY164 GWhDec 2010Dec 2024 Wind
High River Energy Center, LLCHigh River Energy Center, LLCFlorida, NY164 GWhJul 2024Oct 2025 Solar
School StreetErie Boulevard Hydropower LPCohoes, NY159 GWhDec 1914Dec 2024 Water
AltonaValcour Operating Services, LLCAltona, NY158 GWhMar 2009Dec 2024 Wind
Lederle LaboratoriesVeolia NA - Municipal & Commercial BusinessPearl River, NY150 GWhJun 1990Oct 2025 Natural Gas : 99.5%
ClintonValcour Operating Services, LLCChurubusco, NY149 GWhApr 2008Dec 2024 Wind
EllenburgValcour Operating Services, LLCChurubusco, NY143 GWhApr 2008Dec 2024 Wind
Glen Park Hydroelectric ProjectEagle Creek Renewable Energy, LLCWatertown, NY142 GWhSep 1999Dec 2024 Water
Trenton FallsErie Boulevard Hydropower LPBarneveld, NY141 GWhDec 1918Dec 2024 Water
Stewarts BridgeErie Boulevard Hydropower LPCorinth, NY133 GWhDec 1951Dec 2024 Water
Lockport Energy Associates LPLockport Energy Associates LPLockport, NY132 GWhJun 1992Jan 2024 Natural Gas
RiverbayRiverbay CorpNew York, NY130 GWhFeb 2011Dec 2024 Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Glenwood LandingNational Grid Generation LLCGlenwood Landing, NY129 GWhMar 1967Dec 2024 Natural Gas : 84.2% Distillate Fuel Oil : 15.8%
Reworld Babylon IncReworld Babylon IncWest Babylon, NY124 GWhDec 1988Oct 2025 Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Distillate Fuel Oil : 0.6%
Finch PaperFinch Paper LLCGlen Falls, NY124 GWhMay 1987Dec 2024 Wood Waste Liquids, excluding Black Liquor : 47.1% Natural Gas : 39.5% Wood/Wood Waste Solids : 13.4%
Vernon BoulevardNew York Power AuthorityLong Island City, NY117 GWhJul 2001Dec 2024 Natural Gas
Reworld Niagara IReworld Niagara I, LLCNiagara Falls, NY117 GWhJul 1980Oct 2025 Non-biogenic Municipal Solid Waste : 49.4% Biogenic Municipal Solid Waste : 40.4% Natural Gas : 10.3%
Harlem River YardNew York Power AuthorityBronx, NY110 GWhJun 2001Dec 2024 Natural Gas
Howard Wind FarmHoward Wind LLC (Longroad)Hornell, NY109 GWhNov 2011Dec 2024 Wind
Rainbow Falls HydroErie Boulevard Hydropower LPParishville, NY109 GWhDec 1955Dec 2024 Water
Five FallsErie Boulevard Hydropower LPColton, NY107 GWhDec 1954Dec 2024 Water
Hell GateNew York Power AuthorityBronx, NY105 GWhJun 2001Dec 2024 Natural Gas
Joseph J Seymour Power ProjectNew York Power AuthorityBrooklyn, NY104 GWhJun 2001Nov 2024 Natural Gas
StarkErie Boulevard Hydropower LPColton, NY103 GWhDec 1956Dec 2024 Water
East Point Energy CenterEast Point Energy Center, LLCSharon Springs, NY97 GWhApr 2024Oct 2025 Solar
Selkirk CogenSelkirk Cogen Partners LPSelkirk, NY92 GWhMar 1992Sep 2024 Natural Gas
Oswego Harbor PowerOswego Harbor PowerOswego, NY91 GWhMay 1975Aug 2025 Residual Fuel Oil : 99.5%
South ColtonErie Boulevard Hydropower LPColton, NY90 GWhDec 1953Dec 2024 Water
High Falls - Saranac NYNew York State Elec & Gas CorpTown of Saranac, NY88 GWhJul 1948Sep 2024 Water
Dutch Hill Wind ProjectEvergreen Wind, LLCCohocton, NY87 GWhDec 2008Dec 2024 Wind
Castleton Energy CenterFortistar Castleton PowerCastleton, NY87 GWhJan 1992Dec 2024 Natural Gas : 99.8%
GrahamsvilleNew York Power AuthorityGrahamsville, NY82 GWhDec 1955Dec 2024 Water

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#6Southern Company Services, Inc. - Trans249.9 TWh417
#7California Independent System Operator184.8 TWh2,075
#9Tennessee Valley Authority161.0 TWh204
#10Florida Power & Light Co.149.6 TWh187
#12New York Independent System Operator132.6 TWh1,211
#13Duke Energy Carolinas111.6 TWh565
#15ISO New England107.8 TWh1,577
#16Bonneville Power Administration83.7 TWh163
#17Duke Energy Progress East64.0 TWh559
#18PacifiCorp East61.2 TWh216