New York Independent System Operator

Balancing Authority Summary Information

New York Independent System Operator is ranked #12 out of 64 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityNew York Independent System Operator
States New Jersey New York
Last Update Jul 2026
Annual Generation 134.3 TWh
Power Plants1,299
Utilities614
Ranked #12 out of 64 in terms of net annual generation
Ranked #9 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 54.3% Nuclear | 19.7% Water | 17.8% Wind | 5% Other Fuel | 2.9%

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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 801 to 900 of 1,000
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Indeck Oswego Energy CenterIndeck-Oswego Ltd PartnershipOswego, NY118 GWhMay 1990Dec 2025 Natural Gas
MacArthur Waste to Energy FacilityReworld MacArthur Renewable EnergyRonkonkoma, NY52 GWhFeb 1990May 2026 Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
Maimonides Medical CenterMaimonides Medical CenterBrooklyn, NY15 MWhDec 1989Dec 2025 Distillate Fuel Oil
Indeck Yerkes Energy CenterIndeck-Yerkes Ltd PartnershipTonawanda, NY63 GWhNov 1989Dec 2025 Natural Gas
Middle Falls HydroBoralex Hydro Operations IncMiddle Falls, NY9 GWhAug 1989Dec 2025 Water
Wading RiverNational Grid Generation LLCShoreham, NY17 GWhJul 1989Dec 2025 Distillate Fuel Oil
Bethpage Power PlantCalpine Eastern CorpHicksville, NY573 GWhJul 1989Dec 2024 Natural Gas
Covanta HempsteadCovanta Hempstead CompanyWestbury, NY482 GWhMar 1989May 2026 Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8%
Reworld Babylon IncReworld Babylon IncWest Babylon, NY123 GWhDec 1988May 2026 Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Distillate Fuel Oil : 0.9%
Warrensburg HydroelectricBoralex Hydro Operations IncWarrensburg, NY9 GWhNov 1988Dec 2025 Water
West Delaware Tunnel PlantErie Boulevard Hydropower LPGrahamsville, NY34 GWhNov 1988Dec 2025 Water
Wappinger Falls HydroelectricWindsor Machinery Co IncWappinger Falls, NY8 GWhNov 1988Dec 2025 Water
Kings Falls HydroelectricSilverstreet HydroCopenhagen, NY2 GWhSep 1988Dec 2024 Water
Cornell University Central HeatCornell University - CHPIthaca, NY230 GWhJun 1988Dec 2025 Natural Gas
Mount Sinai Beth IsraelMount Sinai Beth IsraelNew York, NY62 MWhDec 1987Dec 2024 Distillate Fuel Oil
Hollow Dam Power PartnershipAmpersand Hollow Dam Hydro LLCGouveneur, NY1 GWhNov 1987Dec 2025 Water
Fourth Branch Hydroelectric FacilityAlbany Engineering CorporationWaterford, NY13 GWhNov 1987Dec 2025 Water
Lachute Hydro LowerCentral Rivers Power US, LLCTiconderoga, NY8 GWhNov 1987Dec 2025 Water
Lachute Hydro UpperCentral Rivers Power US, LLCTiconderoga, NY8 GWhNov 1987Dec 2025 Water
Dahowa HydroGR Catalyst Two LLCGreenwich, NY10 GWhNov 1987Dec 2025 Water
Newport HydroEagle Creek Renewable Energy, LLCNewport, NY6 GWhNov 1987Dec 2025 Water
OgdensburgAmpersand Ogdensburg Hydro, LLCOgdensburg, NY4 GWhNov 1987Dec 2025 Water
Moose RiverEONY Generation LimitedLyons Falls, NY37 GWhOct 1987Dec 2025 Water
Dutchess Cnty Resource Recovery FacilityDutchess County RRA - (NY)Poughkeepsie, NY34 GWhOct 1987Dec 2025 Non-biogenic Municipal Solid Waste : 52.8% Biogenic Municipal Solid Waste : 43.2% Natural Gas : 4.1%
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%
Hampshire PaperHampshire Paper Co IncGouverneur, NY13 GWhApr 1987Dec 2025 Water
Union FallsUnion Falls Hydro Power LPAu Sable Forks, NY10 GWhDec 1986Dec 2025 Water
Stillwater Reservoir HydroWatershed Hydropower CorpWebb, NY5 GWhDec 1986Dec 2025 Water
Little Falls HydroEagle Creek Renewable Energy, LLCLittle Falls, NY41 GWhDec 1986Dec 2025 Water
High FallsCentral Hudson Gas & Elec CorpHigh Falls, NY5 GWhNov 1986Dec 2025 Water
Victory MillsCentral Rivers Power US, LLCVictory Mills, NY3 GWhNov 1986Dec 2025 Water
PhiladlephiaEONY Generation LimitedVillage of Philadelph, NY9 GWhSep 1986Dec 2025 Water
US Gypsum OakfieldU S Gypsum CoOakfield, NY17 GWhMar 1986Dec 2025 Natural Gas
Oswego County Energy RecoveryOswego County - (NY)Fulton, NY6 GWhJan 1986Dec 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
TalcvilleErie Boulevard Hydropower LPEdwards, NY616 MWhDec 1985Dec 2025 Water
Port Leyden Hydroelectric ProjectLyonsdale Hydroelectric Co., Inc.Port Leyden, NY4 GWhNov 1985Dec 2025 Water
Curtis Palmer HydroelectricPalmer HydroelectricCorinth, NY277 GWhSep 1985Dec 2025 Water
Valley Falls Hydroelectric FacilityAlbany Engineering CorporationValley Falls, NY6 GWhJul 1985Dec 2025 Water
Diana HydroelectricEONY Generation LimitedHarrisville, NY5 GWhJun 1985Dec 2025 Water
Dolgeville HydroEONY Generation LimitedDolgeville, NY11 GWhJun 1985Dec 2025 Water
Upper Beaver Falls ProjectEagle Creek Renewable Energy, LLCBeaver Falls, NY9 GWhDec 1984Dec 2025 Water
Fort Miller Hydroelectric FacilityAlbany Engineering CorporationNorthumberland, NY3 GWhNov 1984Dec 2025 Water
Wheelabrator WestchesterWheelabrator Environmental SystemsPeekskill, NY389 GWhSep 1984May 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Hewittville HydroelectricErie Boulevard Hydropower LPNorwood, NY12 GWhAug 1984Dec 2025 Water
Unionville Hydro Project 2499 NYErie Boulevard Hydropower LPNorwood, NY11 GWhJun 1984Dec 2025 Water
Lyonsdale AssociatesEagle Creek Renewable Energy, LLCLyons Falls, NY10 GWhJun 1984Dec 2025 Water
Copenhagen PlantCentral Rivers Power US, LLCCopenhagen, NY7 GWhMay 1984Dec 2025 Water
Black River Hydro AssociatesCentral Rivers Power US, LLCPort Layden, NY17 GWhDec 1983Dec 2025 Water
Center FallsHollingworth & Vose Co Center FallsGreenwich, NY3 GWhDec 1983Dec 2025 Water
New York University Central PlantNew York UniversityNew York, NY79 GWhDec 1983Dec 2025 Natural Gas : 96.5% Distillate Fuel Oil : 3.5%
Upper MechanicvilleNew York State Elec & Gas CorpTown of Stillwater, NY79 GWhAug 1983Dec 2024 Water
Montefiore - Westchester SquareMontefiore-Westchester SquareBronx, NY13 MWhJun 1983Dec 2025 Distillate Fuel Oil
Normanskill Hydro ProjectWatervliet, City of - (NY)Guilderland, NY1 GWhMar 1983Oct 2025 Water
GranbyErie Boulevard Hydropower LPFulton, NY33 GWhDec 1982Dec 2025 Water
The Bank of New YorkThe Bank of New YorkNew York, NY47 MWhDec 1982Dec 2025 Distillate Fuel Oil
AshokanNew York Power AuthorityKingston, NY11 GWhOct 1982Dec 2025 Water
Chasm Hydro PartnershipAmpersand Chasm Hydro LLCChateaugay, NY2 GWhFeb 1982Nov 2025 Water
Cornell HydroCornell RenewableIthaca, NY3 GWhNov 1981May 2026 Water
Reworld Niagara IReworld Niagara I, LLCNiagara Falls, NY142 GWhJul 1980May 2026 Non-biogenic Municipal Solid Waste : 49.8% Biogenic Municipal Solid Waste : 40.7% Natural Gas : 9.5%
Good Samaritan HospitalGood Samaritan HospitalSuffern, NY23 MWhDec 1979Dec 2025 Distillate Fuel Oil : 93.2% Natural Gas : 6.8%
Lower Beaver Falls ProjectEagle Creek Renewable Energy, LLCBeaver Falls, NY3 GWhNov 1979Dec 2025 Water
James A FitzpatrickConstellation NuclearLycoming, NY7 TWhJul 1976May 2026 Nuclear
Montefiore Mount Vernon HospitalMontefiore Mount Vernon HospitalMount Vernon, NY14 MWhDec 1975Dec 2025 Distillate Fuel Oil
Oswego Harbor PowerOswego Harbor PowerOswego, NY131 GWhMay 1975Feb 2026 Residual Fuel Oil : 98.0% Natural Gas : 2.0%
Brooklyn Hospital CenterBrooklyn Hospital CenterBrooklyn, NY5 MWhDec 1974Dec 2025 Distillate Fuel Oil
Mount Sinai South Nassau HospitalMount Sinai South Nassau HospitalOceanside, NY33 MWhDec 1974Dec 2025 Distillate Fuel Oil
Roseton Generating FacilityCCI Roseton LLCNewsburgh, NY796 GWhAug 1974May 2026 Natural Gas : 75.6% Residual Fuel Oil : 24.4%
HoltsvilleNational Grid Generation LLCHoltsville, NY39 GWhJun 1974Dec 2025 Kerosene
Westchester County Medical CenterWestchester County Medical Center - (NY)Valhalla, NY285 MWhDec 1973Dec 2024 Distillate Fuel Oil
Plant No 2 FreeportVillage of Freeport - (NY)Freeport, NY33 GWhApr 1973Dec 2025 Natural Gas : 97.6% Kerosene : 2.4%
Bowline PointBowline, LLCWest Haverstraw, NY2 TWhAug 1972May 2026 Natural Gas : 97.0% Residual Fuel Oil : 3.0%
HillburnAlliance NYGT, LLCHillburn, NY701 MWhJun 1972Dec 2025 Natural Gas
ShoemakerAlliance NYGT, LLCMiddletown, NY639 MWhJun 1972Dec 2025 Natural Gas
GlenwoodNational Grid Generation LLCGlenwood Landing, NY5 GWhMay 1972Dec 2025 Distillate Fuel Oil
Narrows Gas Turbines GeneratingAstoria Generating Company, L.P.Brooklyn, NY145 GWhApr 1972Dec 2025 Natural Gas : 95.2% Distillate Fuel Oil : 4.8%
Woodhull HospitalWoodhull HospitalBrooklyn, NY159 MWhDec 1971Dec 2025 Distillate Fuel Oil
Saint Catherine of Siena Medical CenterSaint Catherine of Siena Medical CenterSmithtown, NY16 MWhDec 1971Dec 2025 Distillate Fuel Oil
Gowanus Gas Turbines GeneratingAstoria Generating Company, L.P.Brooklyn, NY61 GWhMay 1971Dec 2025 Natural Gas : 86.8% Distillate Fuel Oil : 13.2%
R E Ginna Nuclear Power PlantConstellation NuclearOntario, NY5 TWhJun 1970May 2026 Nuclear
The Mount Sinai HospitalMount Sinai HospitalNew York, NY184 MWhMay 1970Dec 2024 Distillate Fuel Oil
Ticonderoga MillSylvamo North America LLCTiconderoga, NY209 GWhDec 1969May 2026 Natural Gas : 55.0% Black Liquor : 36.7% Residual Fuel Oil : 4.9% Wood/Wood Waste Solids : 3.4%
CoxsackieCentral Hudson Gas & Elec CorpCoxsackie, NY1 GWhNov 1969Dec 2025 Natural Gas : 77.6% Kerosene : 22.4%
Nine Mile Point Nuclear StationConstellation NuclearLycoming, NY16 TWhNov 1969May 2026 Nuclear
59th StreetConsolidated Edison Co-NY IncNew York, NY101 MWhMay 1969Dec 2025 Natural Gas
74th StreetConsolidated Edison Co-NY IncNew York, NY7 MWhSep 1968Dec 2024 Kerosene
St Johns Riverside HospitalSt Johns Riverside HospitalYonkers, NY16 MWhDec 1967Dec 2025 Distillate Fuel Oil
Harris LakeNew York State Elec & Gas CorpTown of Newcomb, NY243 MWhAug 1967Dec 2025 Distillate Fuel Oil
Glenwood LandingNational Grid Generation LLCGlenwood Landing, NY137 GWhMar 1967Dec 2025 Natural Gas : 93.7% Distillate Fuel Oil : 6.3%
NorthportNational Grid Generation LLCNorthport, NY5 TWhFeb 1967May 2026 Natural Gas : 89.1% Residual Fuel Oil : 10.9%
ShorehamNational Grid Generation LLCWading River, NY1 GWhMar 1966Dec 2025 Distillate Fuel Oil
SoutholdNational Grid Generation LLCGreenport, NY483 MWhJul 1964Dec 2025 Distillate Fuel Oil
South HamptonNational Grid Generation LLCSouthampton, NY181 MWhFeb 1963Dec 2025 Distillate Fuel Oil
RavenswoodRavenswood Operations LLCLong Island, NY3 TWhJan 1963May 2026 Natural Gas : 85.2% Distillate Fuel Oil : 14.8%
East HamptonNational Grid Generation LLCEast Hampton, NY11 GWhNov 1962Dec 2025 Distillate Fuel Oil
Robert Moses NiagaraNew York Power AuthorityLewiston, NY14 TWhDec 1960May 2026 Water
St. Joseph HospitalSt. Joseph Hospital (NY)Yonkers, NY10 MWhDec 1959Dec 2025 Distillate Fuel Oil
Mt. Sinai- MorningsideMt. Sinai- MorningsideNew York, NY17 MWhDec 1959Dec 2024 Distillate Fuel Oil
Arthur Kill Generating StationArthur Kill Power, LLCStaten Island, NY2 TWhAug 1959May 2026 Natural Gas
ProspectErie Boulevard Hydropower LPProspect, NY55 GWhDec 1958Dec 2025 Water
Dunn PaperBiOrigin Specialty ProductsGouverneur, NY5 GWhDec 1958Dec 2025 Water

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#6Southern Company Services, Inc. - Trans253.5 TWh422
#7California Independent System Operator169.4 TWh2,135
#9Tennessee Valley Authority163.4 TWh207
#10Florida Power & Light Co.152.2 TWh187
#12New York Independent System Operator134.3 TWh1,299
#13Duke Energy Carolinas112.6 TWh577
#15ISO New England111.1 TWh1,629
#16Bonneville Power Administration91.6 TWh167
#17Duke Energy Progress East64.5 TWh565
#18PacifiCorp East60.9 TWh222