ISO New England

Balancing Authority Summary Information

ISO New England is ranked #15 out of 64 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityISO New England
States Connecticut Maine Massachusetts New Hampshire New York Rhode Island Vermont
Last Update Jul 2026
Annual Generation 111.1 TWh
Power Plants1,629
Utilities833
Ranked #15 out of 64 in terms of net annual generation
Ranked #10 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 54.9% Nuclear | 25% Wind | 5.1% Water | 4.5% Other Fuel | 4.4% Solar | 1.6% Coal | 0.1%

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Daily Net Generation for ISO New England for the past 3 Years

List of All ISO New England Power Plants

Displaying Results 601 to 700 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Jericho Landfill Solar FarmSoCore Energy LLCJerico, VT1 GWhDec 2020Dec 2025 Solar
Jericho PowerJericho Power LLCBerlin, NH23 GWhDec 2015May 2026 Wind
Jewett City 1Connecticut Mun Elec Engy CoopJewett City, CT139 MWhJan 2010Dec 2025 Distillate Fuel Oil
JH Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA2 GWhOct 2017Dec 2025 Solar
Jiminy Peak Wind QFJiminy Peak Mountain Resort, LLCHancock, MA2 MWhJul 2007Apr 2025 Wind
Joe JennyAMP MA Joe JennyOxford, MA2 GWhApr 2018Dec 2024 Solar
Johnston LFG Turbine PlantRhode Island LFG GencoJohnston, RI173 GWhApr 2013May 2026 Landfill Gas
Johnston SolarConcord New EnergyTown of Johnston, RI2 GWhJun 2015Dec 2025 Solar
Katama FarmClean Focus Yield, LLCEdgartown, MA2 GWhMay 2014Dec 2025 Solar
Kearsarge 100 Sohier RdKearsarge Beverly LLCBeverly, MA3 GWhApr 2023Dec 2025 Solar
Kearsarge AcushnetKearsarge Acushnet LLCAcushnet, MA3 GWhJan 2020Dec 2025 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2025 Solar
Kearsarge Bellingham PVKearsarge Bellingham LLCBellingham, MA5 GWhNov 2016Dec 2025 Solar
Kearsarge Concord IIKearsarge Concord II LLCConcord, MA7 GWhDec 2016Dec 2025 Solar
Kearsarge East ProvidenceKearsarge East Providence LLCEast Providence, RI4 GWhNov 2020Dec 2025 Solar
Kearsarge FoglandKearsarge Fogland LLCTiverton, RI3 GWhOct 2020Dec 2025 Solar
Kearsarge GBKearsarge GB LLCGreat Barrington, MA3 GWhJul 2018Dec 2025 Solar
Kearsarge GillKearsarge Gill LLCGill, MA3 GWhDec 2017Dec 2025 Solar
Kearsarge GranbyKearsarge Granby LLCGranby, MA4 GWhFeb 2017Dec 2025 Solar
Kearsarge HaverhillKearsarge Haverhill LLCHaverhill, MA4 GWhFeb 2021Dec 2025 Solar
Kearsarge Ludlow LLCKearsarge Ludlow LLCLudlow, MA6 GWhNov 2020Dec 2025 Solar
Kearsarge MontagueKearsarge Montague LLCMontague, MA7 GWhMay 2018Dec 2025 Solar
Kearsarge Montague BD(CSG)Kearsarge Montague BD LLCMontague, MA3 GWhOct 2021Dec 2025 Solar
Kearsarge SKSC1 LLCKearsarge SKSC1 LLCSouth Kingstown, RI5 GWhSep 2018Dec 2025 Solar
Kearsarge SKSC2 LLCKearsarge SKSC2 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2025 Solar
Kearsarge Smithfield LLCKearsarge Smithfield LLCBurrillville, RI14 GWhMar 2023Dec 2025 Solar
Kearsarge Southwick LLCKearsarge Solar LLCSouthwick, MA5 GWhFeb 2015Dec 2025 Solar
Kearsarge Upper UnionKearsarge Upper Union LLCFranklin, MA2 GWhFeb 2023Dec 2025 Solar
Kearsarge UxbridgeKearsarge Uxbridge LLCUxbridge, MA3 GWhAug 2018Dec 2025 Solar
Kearsarge West Shore Solar LLCKearsarge West Shore Solar LLCPortsmouth, RI9 GWhNov 2022Dec 2025 Solar
Kearsarge WesterlyKearsarge Westerly LLCWesterly, RI7 GWhNov 2020Dec 2025 Solar
Kearsarge William WayKearsarge William Way LLCBellingham, MA7 GWhNov 2021Dec 2025 Solar
Kearsarge WilmingtonKearsarge Wilmington LLCWilmington, MA2 GWhNov 2017Dec 2025 Solar
Kendall Square StationKendall Green Energy, LLCCambridge, MA1 TWhMay 1949May 2026 Natural Gas : 97.3% Distillate Fuel Oil : 2.7%
Kenmare - Mansfield Branch StreetMN8 Energy LLCMansfield, MA2 GWhMay 2017Dec 2025 Solar
Kibby Wind FacilityHelix Maine Wind Development, LLCChain of Ponds, ME242 GWhSep 2009May 2026 Wind
KilvertCaptona Kilvert Street Warwick LLCWarwick, RI8 GWhNov 2018Dec 2025 Solar
Kimberly Clark-Unit 1,2,3Kimberly-Clark CorporationNew Milford, CT233 GWhMar 2008Dec 2025 Natural Gas
Kingdom Community WindGreen Mountain Power CorpLowell, VT164 GWhOct 2012May 2026 Wind
Kleen Energy SystemsKleen Energy Systems, LLCMiddletown, CT4 TWhJun 2011May 2026 Natural Gas : 97.9% Distillate Fuel Oil : 2.1%
Knapp East (CSG)AES Distributed EnergyAkron, NY7 GWhNov 2021Dec 2025 Solar
Knapp West(CSG)AES Distributed EnergyAkron, NY6 GWhNov 2021Dec 2025 Solar
KS Solar Six LLCKearsarge Solar LLCHubbardston, MA3 GWhNov 2013Dec 2025 Solar
Lake Road Generating PlantLake Road Generating Co LPDayville, CT6 TWhFeb 2002May 2026 Natural Gas
Lakeville SolarC2 MA Lakeville, LLCLakeville, MA3 GWhNov 2018Dec 2025 Solar
Lane Ave Solar LLCAES Distributed EnergyNorth Brookfield, MA2 GWhAug 2021Dec 2025 Solar
Lawrence BrookGreenbacker Renewable Energy CorporationMorristown, VT3 GWhNov 2020Dec 2025 Solar
Lawrence Hydroelectric AssociatesCentral Rivers Power US, LLCLawrence, MA59 GWhJun 1981Dec 2025 Water
Lebanon CSG LLCDimension Energy LLCLebanon, ME6 GWhNov 2024Dec 2025 Solar
Lebanon Pines 1 & 2Connecticut Mun Elec Engy CoopLebanon, CT374 MWhMar 2010Dec 2025 Distillate Fuel Oil
Lebanon West Lebanon Solar 1Lebanon West Lebanon Solar 1, LLCLebanon, ME3 GWhNov 2024Dec 2025 Solar
Ledeaux Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA1 GWhOct 2017Dec 2025 Solar
Lee Site 31 SolarNSTAR Electric CompanyLee, MA149 MWhJul 2018Dec 2025 Solar
Leicester One MA Solar LLCCVI CleanCapital Solar 1 LLCLeicester, MA5 GWhDec 2014Dec 2025 Solar
Lempster Wind LLCAvangrid Power LLCLempster, NH62 GWhNov 2008May 2026 Wind
Lenox RenewablesLenox Renewables, LLCCanastota, NY6 GWhAug 2021Dec 2025 Solar
LeominsterSyncarpha Massachusetts, LLCLeominster, MA3 GWhApr 2015Dec 2025 Solar
Leominster (MA)-South Street-R&DSouth Street Solar, LLCTewksbury, MA3 GWhNov 2013Dec 2025 Solar
Lepomis PV Energy LLCCleanCapital HoldingsPlymouth, MA8 GWhMay 2014Dec 2025 Solar
Lewiston Junction Road SolarNextGrid Peppertree, LLCPoland, ME7 GWhDec 2021Dec 2025 Solar
Lilly LaneLSE Chamaeleon LLCCharlton, MA2 GWhMay 2018Oct 2025 Solar
Limerick Road Solar FarmLimerick Road Solar, LLCShelburne, VT3 GWhNov 2013Dec 2025 Solar
Limestone CSG 1 LLCLimestone CSG 1 LLCLimestone, ME6 GWhNov 2024Dec 2025 Solar
Limestone CSG 2 LLCLimestone CSG 2 LLCLimestone, ME5 GWhOct 2024Dec 2025 Solar
Lisbon Street SolarNextGrid Cliffrose, LLCLewiston, ME3 GWhMar 2022Dec 2025 Solar
Little BayAltus Power America Management, LLCProvidence, RI1 GWhFeb 2014Dec 2025 Solar
Little Falls SolarLittle Falls SolarLittle Falls, NY3 GWhSep 2020Dec 2025 Solar
Little Falls Solar 1Little Falls Solar 1, LLCLittle Falls, NY3 GWhAug 2020Dec 2025 Solar
Livermore Falls CSGLivermore Falls CSG, LLCLivermore Falls, ME4 GWhApr 2022Dec 2025 Solar
LNG 1 & 2Connecticut Mun Elec Engy CoopNorwich, CT382 MWhMar 2010Dec 2025 Distillate Fuel Oil
Lochmere Hydroelectric PlantEagle Creek Renewable Energy, LLCTilton, NH2 GWhNov 1984Oct 2025 Water
Lockwood Hydroelectric FacilityMerimil Ltd PartnershipWaterville, ME13 GWhSep 1985Dec 2025 Water
Long Plain SolarLong Plain Solar, LLCWhatley, MA4 GWhNov 2019Dec 2025 Solar
LoringAltus Power America Management, LLCLimestone, ME8 GWhApr 2023Dec 2025 Solar
Lost NationGranite Shore PowerGroveton, NH422 MWhAug 1969Dec 2024 Distillate Fuel Oil
Lowell Solar LandfillHeliovaas LLCLowell, MA1 GWhNov 2013Dec 2025 Solar
Lower MiddleburyGreen Mountain Power CorpMiddlebury Lower, VT5 GWhJul 1917Dec 2025 Water
Lower Village Water Power ProjectSugar River Power LLCClaremont, NH3 GWhApr 1995Dec 2025 Water
LR Wheatfield Solar 1LR Wheatfield Solar 1, LLCWheatfield, NY8 GWhSep 2020Dec 2025 Solar
Ludlow LandfillCleanCapital HoldingsLudlow, MA3 GWhJul 2013Dec 2025 Solar
Ludlow Site 72 - ContiNSTAR Electric CompanyLudlow, MA3 GWhJul 2018Dec 2025 Solar
M Street JetMassachusetts Bay Trans AuthBoston, MA294 MWhApr 1979Dec 2025 Kerosene
MA BlackstoneCatalyze Blackstone 83 Federal Street Microgrid, LLCBlackstone, MA7 GWhJun 2022Dec 2025 Solar
MA CS Uxbridge Community SolarMA CS Uxbridge, LLCUxbridge, MA7 GWhJan 2023Dec 2025 Solar
MA-Dighton-AMA CS Dighton, LLCDighton, MA6 GWhMay 2024Dec 2025 Solar
MA Military Reservation Wind ProjectAir Force Civil Engineer CenterOtis ANG Base Bourne, MA5 GWhNov 2009Dec 2025 Wind
MA Solar Storage 1 HybridOrigis Energy USA, IncSterling, MA1 GWhFeb 2018Dec 2025 Solar
MacKinnon SolarEcos Energy LLCRutland, VT3 GWhJul 2021Dec 2025 Solar
Madawaska SolarSoCore Energy LLCSaint David, ME4 GWhNov 2024Dec 2025 Solar
Madison Solar (CT)Ecos Energy LLCSomers, CT2 GWhDec 2020Dec 2025 Solar
Main Rd Community SolarAES Distributed EnergyNewstead, NY8 GWhJun 2022Dec 2025 Solar
Main Street Solar ProjectGreenbacker Renewable Energy CorporationRutland, VT2 GWhNov 2014Dec 2025 Solar
Maine Independence StationCasco Bay Energy Co LLCVeazie, ME1 TWhApr 2000Dec 2025 Natural Gas
Mainely Solar (Wyman Hill Solar LLC)Wyman Hill Solar, LLCRumford, ME6 GWhNov 2022Dec 2025 Solar
Manchester Community College EastOnyx Asset Services GroupManchester, CT2 GWhSep 2018Dec 2024 Solar
Manchester Community College NorthOnyx Asset Services GroupGreat Path, CT1 GWhSep 2018Dec 2024 Solar
Manchester StreetManchester Street, LLC.Providence, RI2 TWhAug 1995May 2026 Natural Gas : 92.2% Distillate Fuel Oil : 7.8%
Manheim New EnglandCox EnterprisesNorth Dighton, MA2 GWhNov 2012Dec 2025 Solar
Manville Hill Road SolarManville Hill Road Solar LLCCumberland, RI7 GWhApr 2021Dec 2025 Solar
Maple(CSG)Maple Street Solar 1, LLCBellingham, MA7 GWhOct 2021Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#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
#19Salt River Project Agricultural Improvement and Power District60.3 TWh49