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
Limestone CSG 1 LLCLimestone CSG 1 LLCLimestone, ME6 GWhNov 2024Dec 2025 Solar
Limerick Road Solar FarmLimerick Road Solar, LLCShelburne, VT3 GWhNov 2013Dec 2025 Solar
Lenox RenewablesLenox Renewables, LLCCanastota, NY6 GWhAug 2021Dec 2025 Solar
Lebanon West Lebanon Solar 1Lebanon West Lebanon Solar 1, LLCLebanon, ME3 GWhNov 2024Dec 2025 Solar
Lake Road Generating PlantLake Road Generating Co LPDayville, CT6 TWhFeb 2002May 2026 Natural Gas
Kleen Energy SystemsKleen Energy Systems, LLCMiddletown, CT4 TWhJun 2011May 2026 Natural Gas : 97.9% Distillate Fuel Oil : 2.1%
Kimberly Clark-Unit 1,2,3Kimberly-Clark CorporationNew Milford, CT233 GWhMar 2008Dec 2025 Natural Gas
Kendall Square StationKendall Green Energy, LLCCambridge, MA1 TWhMay 1949May 2026 Natural Gas : 97.3% Distillate Fuel Oil : 2.7%
Mechanic FallsKEI (Maine) Power Management (IV) LLCMechanic Falls, ME2 GWhMar 1986Dec 2025 Water
Barker LowerKEI (Maine) Power Management (III) LLCAuburn, ME4 GWhMar 1986Dec 2025 Water
Upper BarkerKEI (Maine) Power Management (III) LLCAuburn, ME4 GWhApr 1987Dec 2025 Water
GardinerKEI (Maine) Power Management (III) LLCGardiner, ME4 GWhJun 1985Jun 2025 Water
Pumpkin HillKEI (Maine) Power Management (II) LLCLowell, ME3 GWhFeb 1987Dec 2025 Water
Pittsfield HydroKEI (Maine) Power Management (II) LLCBurnham, ME3 GWhJun 1986Dec 2025 Water
Kearsarge WilmingtonKearsarge Wilmington LLCWilmington, MA2 GWhNov 2017Dec 2025 Solar
Kearsarge William WayKearsarge William Way LLCBellingham, MA7 GWhNov 2021Dec 2025 Solar
Kearsarge WesterlyKearsarge Westerly LLCWesterly, RI7 GWhNov 2020Dec 2025 Solar
Kearsarge West Shore Solar LLCKearsarge West Shore Solar LLCPortsmouth, RI9 GWhNov 2022Dec 2025 Solar
Kearsarge UxbridgeKearsarge Uxbridge LLCUxbridge, MA3 GWhAug 2018Dec 2025 Solar
Kearsarge Upper UnionKearsarge Upper Union LLCFranklin, MA2 GWhFeb 2023Dec 2025 Solar
KS Solar Six LLCKearsarge Solar LLCHubbardston, MA3 GWhNov 2013Dec 2025 Solar
Concord Solar FarmKearsarge Solar LLCConcord, MA2 GWhMar 2014Dec 2025 Solar
Barre II Solar ProjectKearsarge Solar LLCBarre, MA2 GWhMar 2014Dec 2025 Solar
Kearsarge Southwick LLCKearsarge Solar LLCSouthwick, MA5 GWhFeb 2015Dec 2025 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2025 Solar
Stetson Road Solar - Barre IKearsarge Solar LLCBarre, MA2 GWhApr 2014Dec 2025 Solar
Kearsarge Smithfield LLCKearsarge Smithfield LLCBurrillville, RI14 GWhMar 2023Dec 2025 Solar
Kearsarge SKSC2 LLCKearsarge SKSC2 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2025 Solar
Kearsarge SKSC1 LLCKearsarge SKSC1 LLCSouth Kingstown, RI5 GWhSep 2018Dec 2025 Solar
Onset East Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2025 Solar
Onset West Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 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 Ludlow LLCKearsarge Ludlow LLCLudlow, MA6 GWhNov 2020Dec 2025 Solar
Kearsarge HaverhillKearsarge Haverhill LLCHaverhill, MA4 GWhFeb 2021Dec 2025 Solar
Kearsarge GranbyKearsarge Granby LLCGranby, MA4 GWhFeb 2017Dec 2025 Solar
Kearsarge GillKearsarge Gill LLCGill, MA3 GWhDec 2017Dec 2025 Solar
Kearsarge GBKearsarge GB LLCGreat Barrington, MA3 GWhJul 2018Dec 2025 Solar
Kearsarge FoglandKearsarge Fogland LLCTiverton, RI3 GWhOct 2020Dec 2025 Solar
Kearsarge East ProvidenceKearsarge East Providence LLCEast Providence, RI4 GWhNov 2020Dec 2025 Solar
Kearsarge Concord IIKearsarge Concord II LLCConcord, MA7 GWhDec 2016Dec 2025 Solar
Kearsarge 100 Sohier RdKearsarge Beverly LLCBeverly, MA3 GWhApr 2023Dec 2025 Solar
Kearsarge Bellingham PVKearsarge Bellingham LLCBellingham, MA5 GWhNov 2016Dec 2025 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2025 Solar
Kearsarge AcushnetKearsarge Acushnet LLCAcushnet, MA3 GWhJan 2020Dec 2025 Solar
Jiminy Peak Wind QFJiminy Peak Mountain Resort, LLCHancock, MA2 MWhJul 2007Apr 2025 Wind
Jericho PowerJericho Power LLCBerlin, NH23 GWhDec 2015May 2026 Wind
Elm StreetISM Solar Dighton 3, LLCDighton, MA5 GWhNov 2020Dec 2025 Solar
Iron Horse Solar 4, LLCIron Horse Solar 4, LLCNorth Billerica, MA7 GWhMay 2017Dec 2025 Solar
Iron Horse Solar I CSGIron Horse Solar 1, LLCNorth Billerica, MA4 GWhNov 2016Dec 2025 Solar
BeverlyIntegrys MA Solar, LLCBeverly, MA3 GWhApr 2014Dec 2025 Solar
Integrys MA Solar, LLC - Ashburnham SiteIntegrys MA Solar, LLCAshburnham, MA3 GWhNov 2013Dec 2025 Solar
BrockelmanIntegrys MA Solar, LLCLancaster, MA5 GWhOct 2013Dec 2025 Solar
Granby LFGIndustrial Power Services Corp.Granby, MA2 GWhAug 2001Dec 2025 Landfill Gas
IKEA New Haven Rooftop PV & Fuel CellIKEA Property IncNew Haven, CT3 GWhJun 2012Dec 2025 Natural Gas : 71.5% Solar : 28.5%
Hydro Kennebec ProjectHydro Kennebec LLCWinslow, ME37 GWhDec 1988Nov 2025 Water
Holyoke Solar Cooperative at MuellerHolyoke Solar LLCHolyoke, MA4 GWhNov 2011Dec 2025 Solar
West Groton CHPHollingsworth & Vose Co West GrotonGroton, MA22 GWhNov 2015Dec 2024 Natural Gas
Texon Hydroelectric ProjectHitchcock Hydro, LLCRussell, MA4 GWhDec 1981Dec 2025 Water
Kibby Wind FacilityHelix Maine Wind Development, LLCChain of Ponds, ME242 GWhSep 2009May 2026 Wind
Sudbury LandfillHeliovaas LLCSudbury, MA1 GWhNov 2013Dec 2025 Solar
Acton Solar LandfillHeliovaas LLCActon, MA475 MWhNov 2013Dec 2025 Solar
Lowell Solar LandfillHeliovaas LLCLowell, MA1 GWhNov 2013Dec 2025 Solar
MD - EDFR - Phase II - LewistonHayworth Solar Partners, LLCLewiston, ME8 GWhOct 2024Dec 2025 Solar
Hatfield Renewables Community SolarHatfield Renewables, LLCHatfield, MA3 GWhAug 2017Dec 2025 Solar
Harbor Road Solar 1Harbor Road Solar 1, LLCCheshire, MA3 GWhNov 2021Dec 2025 Solar
Hampden Landfill Solar LLCHampden Landfill Solar LLCHampden, MA2 GWhNov 2024Dec 2025 Solar
Hadley 3 Solar (South)Hadley 3 Solar, LLC (South)Hadley, MA3 GWhNov 2019Dec 2025 Solar
Hadley 3 Solar (North)Hadley 3 Solar, LLC (North)Hadley, MA3 GWhNov 2019Dec 2025 Solar
Hadley 2 Solar, LLC CSGHadley 2 Solar, LLCHadley, MA3 GWhNov 2016Dec 2025 Solar
Cranberry SolarGWE Cranberry Solar RT, LLCMiddleborough, MA2 GWhNov 2016Dec 2025 Solar
Naval Sub Base New London Fuel CellGroton Station Fuel Cell, LLCGroton, CT44 GWhNov 2022Dec 2024 Natural Gas
Pfizer Groton Fuel CellGroton Fuel Cell 1 LLCGroton, CT30 GWhSep 2016Dec 2024 Natural Gas
Griffin Road Solar, LLC CSGGriffin Road Solar, LLCCharlton, MA3 GWhFeb 2018Dec 2025 Solar
Griffin Road Solar 2Griffin Road Solar 2, LLCCharlton, MA2 GWhMay 2020Dec 2025 Solar
Lawrence BrookGreenbacker Renewable Energy CorporationMorristown, VT3 GWhNov 2020Dec 2025 Solar
MoscowGreenbacker Renewable Energy CorporationMoscow, ME112 GWhMay 2025May 2026 Wind
Park StGreenbacker Renewable Energy CorporationRutland, VT2 GWhNov 2014Dec 2025 Solar
UplandGreenbacker Renewable Energy CorporationPlympton, MA3 GWhMay 2025Dec 2025 Solar
Pleasant StreetGreenbacker Renewable Energy CorporationWilton, ME5 GWhNov 2023Dec 2025 Solar
115 G FisherGreenbacker Renewable Energy CorporationMiddleborough, MA2 GWhSep 2015Dec 2025 Solar
154 D FisherGreenbacker Renewable Energy CorporationMiddleborough, MA2 GWhNov 2015Dec 2025 Solar
Pine Hill WestportGreenbacker Renewable Energy CorporationWestport, MA3 GWhMay 2025Dec 2025 Solar
Our KatahdinGreenbacker Renewable Energy CorporationMillenocket, ME6 GWhNov 2024Dec 2025 Solar
Mars HillGreenbacker Renewable Energy CorporationMars Hill, ME4 GWhOct 2024Dec 2025 Solar
Ring RoadGreenbacker Renewable Energy CorporationPlympton, MA2 GWhMay 2025Dec 2025 Solar
Norton LLCGreenbacker Renewable Energy CorporationNorton, MA1 GWhAug 2020Dec 2025 Solar
Holliston LLCGreenbacker Renewable Energy CorporationHolliston, MA2 GWhSep 2020Dec 2025 Solar
WoburnGreenbacker Renewable Energy CorporationWoburn, MA2 GWhNov 2020Dec 2025 Solar
South Street - MiddleburyGreenbacker Renewable Energy CorporationMiddlebury, VT9 GWhNov 2023Dec 2025 Solar
Richmond HillGreenbacker Renewable Energy CorporationRichmond, ME3 GWhNov 2023Dec 2025 Solar
Athens RidgeGreenbacker Renewable Energy CorporationAthens, ME5 GWhFeb 2024Dec 2025 Solar
Dairy FarmGreenbacker Renewable Energy CorporationAnson, ME6 GWhSep 2024Dec 2025 Solar
Weaver WindGreenbacker Renewable Energy CorporationTownship 16, ME214 GWhNov 2020May 2026 Wind
WED Coventry 6Greenbacker Renewable Energy CorporationCoventry, RI8 GWhJul 2016May 2026 Wind
Holiday Hill Community WindGreenbacker Renewable Energy CorporationRussell, MA12 GWhNov 2019Dec 2025 Wind
WED Portsmouth One, LLCGreenbacker Renewable Energy CorporationPortsmouth, RI5 GWhJul 2016Dec 2025 Wind
Nextsun Energy LittletonGreenbacker Renewable Energy CorporationLittleton, MA5 GWhSep 2013Dec 2025 Solar
WED Coventry 5Greenbacker Renewable Energy CorporationCoventry, RI3 GWhFeb 2017Dec 2025 Wind
Georgia Mountain Community Wind FarmGreenbacker Renewable Energy CorporationMilton, VT25 GWhNov 2012May 2026 Wind

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