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
OgdensburgAmpersand Ogdensburg Hydro, LLCOgdensburg, NY4 GWhNov 1987Dec 2023 Water
WaldenHydroland Omega LLCWalden, NY840 MWhMar 1986Dec 2023 Water
Longfalls FacilityAmpersand Long Falls Hydro, LLCWest Carthage, NY881 MWhSep 1991Dec 2023 Water
Solean Solar ProjectBQ Energy LLCOlean, NY8 GWhMar 2016Dec 2023 Solar
William Floyd School DistrictWilliam Floyd School DistrictMastic Beach, NY3 GWhJan 2004Dec 2023 Natural Gas : 96.6% Distillate Fuel Oil : 3.4%
Chateaugay High Falls HydroHydroland Omega LLCChateaugay, NY3 GWhNov 1988Dec 2023 Water
West End Dam Hydroelectric ProjectRelevate Power Management LLCCarthage, NY23 GWhSep 1985Dec 2023 Water
Stillwater Reservoir HydroNorthern Power & LightWebb, NY6 GWhDec 1986Dec 2023 Water
Chautauqua LFGTE FacilityChautauqua Green Energy, LLCJamestown, NY2 GWhJan 2010Dec 2023 Landfill Gas
Lockport Energy Associates LPLockport Energy Associates LPLockport, NY132 GWhJun 1992Jan 2024 Natural Gas
South CairoCentral Hudson Gas & Elec CorpCairo, NY584 MWhMay 1970Mar 2024 Kerosene
Minisink Community Solar 2 LLCMinisink Solar 2 LLCMinisink, NY3 GWhOct 2018May 2024 Solar
Victory MillsCentral Rivers Power US, LLCVictory Mills, NY3 GWhNov 1986Jul 2024 Water
Buffalo NY GigaFactoryTesla Inc.Buffalo, NY2 GWhFeb 2022Jul 2024 Solar
High FallsCentral Hudson Gas & Elec CorpHigh Falls, NY6 GWhNov 1986Aug 2024 Water
GrabinskiGrabinski Solar LLCWalden, NY4 GWhJun 2019Aug 2024 Solar
NeversinkNew York Power AuthorityGrahmsville, NY32 GWhNov 1953Sep 2024 Water
Hollow Dam Power PartnershipAmpersand Hollow Dam Hydro LLCGouveneur, NY2 GWhNov 1987Sep 2024 Water
High Falls - Saranac NYNew York State Elec & Gas CorpTown of Saranac, NY88 GWhJul 1948Sep 2024 Water
Selkirk CogenSelkirk Cogen Partners LPSelkirk, NY92 GWhMar 1992Sep 2024 Natural Gas
FFP - NY Werner CSGDistributed Solar Development, LLCRush, NY438 MWhJan 2024Sep 2024 Solar
Carthage Energy LLCCarthage Energy LLCCarthage, NY3 GWhOct 1991Sep 2024 Natural Gas
World Generation XNorth American Energy ServicesNorth Tonawanda, NY308 GWhJun 1993Sep 2024 Natural Gas
Cortlandville III Solar CSGDG Empire Shine, LLCCortland, NY8 GWhDec 2022Sep 2024 Solar
Spier FallsErie Boulevard Hydropower LPGansevoort, NY249 GWhDec 1923Sep 2024 Water
WatertownCity of Watertown - (NY)Watertown, NY28 GWhJul 1924Oct 2024 Water
25 Ashdown Road Solar, LLCAES Distributed EnergyClifton Park, NY6 GWhNov 2019Nov 2024 Solar
East HamptonNational Grid Generation LLCEast Hampton, NY12 GWhNov 1962Nov 2024 Distillate Fuel Oil
Hydraulic RaceErie Boulevard Hydropower LPLockport, NY10 GWhDec 1941Nov 2024 Water
Center FallsHollingworth & Vose Co Center FallsGreenwich, NY4 GWhDec 1983Nov 2024 Water
Rochester 26Rochester Gas & Electric CorpRochester, NY5 GWhJul 1952Nov 2024 Water
Massena Energy FacilityPower City Partners LPMassena, NY12 GWhJun 1992Nov 2024 Natural Gas
Grand Prix SolarDiamond PropertiesMt. Kisco, NY527 MWhFeb 2014Nov 2024 Solar
University of RochesterUniversity of RochesterRochester, NY25 GWhSep 2005Nov 2024 Natural Gas
Greenwich Solar 1, LLC CSGAES Distributed EnergyGreenwich, NY5 GWhNov 2020Nov 2024 Solar
Joseph J Seymour Power ProjectNew York Power AuthorityBrooklyn, NY104 GWhJun 2001Nov 2024 Natural Gas
Mongaup FallsEagle Creek Renewable Energy, LLCForestburgh, NY12 GWhJun 1923Nov 2024 Water
ShoemakerAlliance NYGT, LLCMiddletown, NY336 MWhJun 1972Nov 2024 Natural Gas
AshokanNew York Power AuthorityKingston, NY11 GWhOct 1982Dec 2024 Water
Upper MechanicvilleNew York State Elec & Gas CorpTown of Stillwater, NY79 GWhAug 1983Dec 2024 Water
Danskammer Generating StationDanskammer EnergyNewburgh, NY19 GWhNov 1951Dec 2024 Natural Gas : 99.7%
DashvilleCentral Hudson Gas & Elec CorpDashville, NY9 GWhDec 1919Dec 2024 Water
SturgeonCentral Hudson Gas & Elec CorpTillson, NY46 GWhDec 1923Dec 2024 Water
Charles P KellerVillage of Rockville Centre - (NY)Rockville Centre, NY123 MWhDec 1941Dec 2024 Natural Gas : 81.4% Distillate Fuel Oil : 18.6%
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%
S A CarlsonJamestown Board of Public UtilJamestown, NY34 GWhJul 1951Dec 2024 Natural Gas
GlenwoodNational Grid Generation LLCGlenwood Landing, NY3 GWhMay 1972Dec 2024 Distillate Fuel Oil
Plant No 2 FreeportVillage of Freeport - (NY)Freeport, NY31 GWhApr 1973Dec 2024 Natural Gas : 99.7%
CrescentNew York Power AuthorityCrescent, NY56 GWhJun 1924Dec 2024 Water
ShorehamNational Grid Generation LLCWading River, NY353 MWhMar 1966Dec 2024 Distillate Fuel Oil
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
Plant No 1 FreeportVillage of Freeport - (NY)Freeport, NY17 MWhDec 1940Dec 2024 Distillate Fuel Oil
Allens FallsErie Boulevard Hydropower LPParishville, NY29 GWhDec 1926Dec 2024 Water
DeferietErie Boulevard Hydropower LPDeferiet, NY63 GWhDec 1924Dec 2024 Water
EagleErie Boulevard Hydropower LPCroghan, NY29 GWhDec 1913Dec 2024 Water
Eel WeirErie Boulevard Hydropower LPOswegatchie, NY10 GWhDec 1927Dec 2024 Water
EffleyErie Boulevard Hydropower LPCroghan, NY15 GWhDec 1901Dec 2024 Water
ElmerErie Boulevard Hydropower LPCroghan, NY10 GWhDec 1915Dec 2024 Water
EphratahErie Boulevard Hydropower LPSaint Johnsville, NY5 GWhDec 1910Dec 2024 Water
East NorfolkErie Boulevard Hydropower LPNorfolk, NY26 GWhDec 1927Dec 2024 Water
Five FallsErie Boulevard Hydropower LPColton, NY107 GWhDec 1954Dec 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
Burns Road SolarPivot EnergyAngola, NY3 GWhFeb 2024Dec 2024 Solar
SchaghticokeErie Boulevard Hydropower LPSchaghticoke, NY59 GWhDec 1907Dec 2024 Water
SchuylervilleErie Boulevard Hydropower LPSchuylerville, NY6 GWhDec 1918Dec 2024 Water
SewallsErie Boulevard Hydropower LPWatertown, NY15 GWhDec 1924Dec 2024 Water
Sherman IslandErie Boulevard Hydropower LPQueensbury, NY175 GWhDec 1922Dec 2024 Water
Soft MapleErie Boulevard Hydropower LPCroghan, NY38 GWhDec 1924Dec 2024 Water
South ColtonErie Boulevard Hydropower LPColton, NY90 GWhDec 1953Dec 2024 Water
StarkErie Boulevard Hydropower LPColton, NY103 GWhDec 1956Dec 2024 Water
Stewarts BridgeErie Boulevard Hydropower LPCorinth, NY133 GWhDec 1951Dec 2024 Water
Sugar IslandErie Boulevard Hydropower LPPotsdam, NY28 GWhDec 1923Dec 2024 Water
TaylorvilleErie Boulevard Hydropower LPCroghan, NY22 GWhDec 1912Dec 2024 Water
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
YalevilleErie Boulevard Hydropower LPNorfolk, NY4 GWhDec 1939Dec 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