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
Nine Mile Point Nuclear StationConstellation NuclearLycoming, NY16 TWhNov 1969Sep 2025 Nuclear
Robert Moses NiagaraNew York Power AuthorityLewiston, NY15 TWhDec 1960Sep 2025 Water
James A FitzpatrickConstellation NuclearLycoming, NY7 TWhJul 1976Sep 2025 Nuclear
Robert Moses Power DamNew York Power AuthorityMassena, NY7 TWhJun 1958Sep 2025 Water
Sithe Independence StationSithe/Independence LLCOswego, NY6 TWhJul 1994Sep 2025 Natural Gas
Linden Cogen PlantEFS Cogen Holdings I LLCLinden, NJ6 TWhFeb 1992Sep 2025 Natural Gas : 98.3% Other Gas : 1.1% Distillate Fuel Oil : 0.6%
CPV Valley Energy CenterCPV Valley, LLCWawayanda, NY5 TWhApr 2018Sep 2025 Natural Gas
R E Ginna Nuclear Power PlantConstellation NuclearOntario, NY5 TWhJun 1970Sep 2025 Nuclear
Astoria EnergyAstoria Energy LLCNew York, NY4 TWhApr 2006Sep 2025 Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
Cricket Valley EnergyCricket Valley Energy Center LLCDover, NY4 TWhMar 2020Sep 2025 Natural Gas
NorthportNational Grid Generation LLCNorthport, NY4 TWhFeb 1967Sep 2025 Natural Gas : 94.8% Residual Fuel Oil : 5.2%
Bethlehem Energy CenterGB II New York LLCGlenmont, NY4 TWhJun 2005Sep 2025 Natural Gas
Athens Generating PlantNew Athens Generating Company LLCAthens, NY3 TWhMar 2003Sep 2025 Natural Gas
ZeltmannNew York Power AuthorityAstoria, NY3 TWhNov 2005Sep 2025 Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
Empire Generating Co LLCEmpire Generating Co LLCRensselaer, NY3 TWhAug 2010Sep 2025 Natural Gas : 98.6% Distillate Fuel Oil : 1.4%
East RiverConsolidated Edison Co-NY IncNew York, NY3 TWhOct 1951Sep 2025 Natural Gas
Astoria Energy IIAstoria Energy II LLCAstoria, NY3 TWhJun 2011Sep 2025 Natural Gas : 96.4% Distillate Fuel Oil : 3.6%
RavenswoodRavenswood Operations LLCLong Island, NY3 TWhJan 1963Sep 2025 Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
Caithness Long Island Energy CenterCaithness Long Island, LLCYaphank, NY2 TWhJul 2009Sep 2025 Natural Gas
Arthur Kill Generating StationNRG Arthur Kill Operations IncStaten Island, NY2 TWhAug 1959Sep 2025 Natural Gas
Brooklyn Navy Yard CogenerationBrooklyn Navy Yard Cogen PLPBrooklyn, NY2 TWhFeb 1996Sep 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 1956Sep 2025 Natural Gas : 98.8% Residual Fuel Oil : 1.0%
Bayonne Energy CenterBayonne Energy Center LLCBayonne, NJ925 GWhMay 2012Sep 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, NY714 GWhNov 2005Sep 2025 Wind
Greenidge Generation LLCGreenidge Generation Holdings LLCDresden, NY674 GWhNov 1953Dec 2024 Natural Gas
Covanta HempsteadCovanta Hempstead CompanyWestbury, NY593 GWhMar 1989Sep 2025 Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9%
Bethpage Power PlantCalpine Eastern CorpHicksville, NY573 GWhJul 1989Dec 2024 Natural Gas
South Fork WindOrsted Wind Power North America LLCEast Hampton, NY521 GWhJun 2024Sep 2025 Wind
Marble River Wind FarmMarble River, LLCChurubusco, NY474 GWhOct 2012Sep 2025 Wind
Richard M FlynnNew York Power AuthorityHoltsville, NY469 GWhApr 1994Dec 2024 Natural Gas : 99.9%
Roseton Generating FacilityCCI Roseton LLCNewsburgh, NY457 GWhAug 1974Sep 2025 Natural Gas : 86.1% Residual Fuel Oil : 13.9%
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, NY384 GWhSep 1984Sep 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Baron Winds FarmBig Sky Wind, LLCCohocton, NY357 GWhJan 2023Sep 2025 Wind
Saranac FacilitySaranac Power Partners LPPlattsburgh, NY355 GWhMay 1994Dec 2024 Natural Gas
RED-Rochester, LLCRED-Rochester, LLCRochester, NY338 GWhJul 1954Sep 2025 Natural Gas
Curtis Palmer HydroelectricPalmer HydroelectricCorinth, NY326 GWhSep 1985Dec 2024 Water
Bluestone Wind, LLCBluestone Wind, LLCSanford, NY321 GWhSep 2023Sep 2025 Wind
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
Number Three Wind ProjectInvenergy Services LLCLowville, NY298 GWhApr 2023Sep 2025 Wind
Ball Hill Wind Energy, LLCBall Hill Wind Energy, LLCForestville, NY289 GWhNov 2023Sep 2025 Wind
Morris Ridge SolarMorris Ridge Solar Energy Center, LLCMount Morris, NY288 GWhOct 2024Sep 2025 Solar
Eight Point WindEight Point Wind, LLCRexville, NY271 GWhJan 2023Sep 2025 Wind
Copenhagen Wind FarmEDF Renewable Asset Holdings, Inc.Copenhagen, NY262 GWhNov 2018Sep 2025 Wind
Arkwright Summit Wind Farm LLCArkwright Summit Wind Farm LLCFredonia, NY255 GWhJul 2018Sep 2025 Wind
Spier FallsErie Boulevard Hydropower LPGansevoort, NY249 GWhDec 1923Sep 2024 Water
Port JeffersonNational Grid Generation LLCPort Jefferson, NY246 GWhOct 1958Sep 2025 Natural Gas : 89.8% Residual Fuel Oil : 9.5% Distillate Fuel Oil : 0.7%
Cassadaga Wind FarmBig Sky Wind, LLCCherry Creek, NY245 GWhJun 2021Sep 2025 Wind
Stony Creek Wind Farm NYInvenergy Services LLCStrykersville, NY233 GWhOct 2013Dec 2024 Wind
Jericho Rise Wind Farm LLCJericho Rise Wind Farm LLCChateaugay, NY229 GWhNov 2016Sep 2025 Wind
Cornell University Central HeatCornell UniversityIthaca, NY222 GWhJun 1988Dec 2024 Natural Gas : 99.9%
WethersfieldValcour Operating Services, LLCGainsville, NY219 GWhMar 2009Dec 2024 Wind
Hudson Falls Hydroelectric ProjectBoralex Hydro Operations IncSouth Glens Falls, NY210 GWhOct 1995Dec 2024 Water
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%
Roaring Brook, LLCAvangrid Power LLCLowville, NY206 GWhSep 2021Sep 2025 Wind
Cohocton Wind ProjectEvergreen Wind, LLCCohocton, NY204 GWhDec 2008Dec 2024 Wind
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%
High Sheldon Wind FarmInvenergy Services LLCStrykersville, NY201 GWhJan 2009Dec 2024 Wind
Huntington Resource Recovery FacilityHuntington Resource RecoveryEast Northport, NY198 GWhNov 1991Sep 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
High River Energy Center, LLCHigh River Energy Center, LLCFlorida, NY173 GWhJul 2024Sep 2025 Solar
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
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 1990Sep 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 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%
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%
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
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, NY96 GWhApr 2024Sep 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

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