ISO New England

Balancing Authority Summary Information

ISO New England is ranked #15 out of 65 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 Dec 2025
Annual Generation 105.8 TWh
Power Plants1,577
Utilities819
Ranked #15 out of 65 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 55.8% Nuclear | 25.9% Water | 5% Other Fuel | 4.4% Wind | 4% Solar | 1.5% Coal | 0.3%

Map of ISO New England

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for ISO New England.

Create Your Account Today

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

List of All ISO New England Power Plants

Displaying Results 501 to 600 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Town of Ware - Canadian Tree(CSG)MA CS Ware West, LLCWare, MA2 GWhNov 2021Dec 2024 Solar
MA CS Uxbridge Community SolarMA CS Uxbridge, LLCUxbridge, MA7 GWhJan 2023Dec 2024 Solar
MA-Dighton-AMA CS Dighton, LLCDighton, MA2 GWhMay 2024Dec 2024 Solar
Cenergy - Waterville (CSG)Luminace Sunbeam Development Holdings, LLCWaterville, ME9 GWhJun 2023Dec 2024 Solar
Cenergy - Richards (CSG)Luminace Sunbeam Development Holdings, LLCFairfield, ME2 GWhSep 2023Dec 2024 Solar
ME Novel Lighthouse - CarrabassettLuminace Sunbeam Development Holdings, LLCCarrabassett Valley, ME5 GWhNov 2023Dec 2024 Solar
ME Novel Lighthouse - Front St. Solar CSLuminace Sunbeam Development Holdings, LLCSkowhegan, ME4 GWhApr 2023Dec 2024 Solar
ME Novel Lighthouse - Penobscot CSGLuminace Sunbeam Development Holdings, LLCPatten, ME812 MWhAug 2024Dec 2024 Solar
Cenergy - Wiscasset (CSG)Luminace Sunbeam Development Holdings, LLCWiscasset, ME9 GWhJun 2023Dec 2024 Solar
Cenergy - KigerLuminace Sunbeam Development Holdings, LLCEmbden, ME2 GWhNov 2023Dec 2024 Solar
Roger Williams - Melville at PortsmouthLuminace Solar Rhode Island, LLCPortsmouth, RI5 GWhFeb 2021Dec 2024 Solar
Town of Uxbridge MA at Commerce DrLuminace Solar Net Metering, LLCUxbridge, MA3 GWhMay 2012Dec 2024 Solar
Smith & Wesson at Springfield MA PVLuminace Solar Massachusetts, LLCSpringfield, MA2 GWhJun 2017Dec 2024 Solar
Town of Norfolk MA at Medway BranchLuminace Solar Massachusetts, LLCNorfolk, MA2 GWhMay 2012Dec 2024 Solar
Platt HillLSE Pictor LLCWinchester, CT2 GWhDec 2021Dec 2024 Solar
Sand RoadLSE Phoenix LLCNorth Canaan, CT4 GWhOct 2021Dec 2024 Solar
SandwichLSE Ophiuchus LLCSandwich, MA5 GWhJun 2023Dec 2024 Solar
Monument ValleyLSE Lepus LLCGreat Barrington, MA3 GWhDec 2021Dec 2024 Solar
BunceLSE Indus LLCNorth Canaan, CT3 GWhMar 2022Dec 2024 Solar
Pulpit HillLSE Fornax LLCAmherst, MA7 GWhJun 2019Dec 2024 Solar
Goose Pond SolarLSE Dorado, LLCSouthwick, MA7 GWhDec 2019Dec 2024 Solar
Powder HillLSE Delphinus LLCEnfield, CT3 GWhNov 2020Dec 2024 Solar
NolanLSE Crater LLCGreat Barrington, MA2 GWhOct 2017Dec 2024 Solar
Truck StopLSE Corona Austrina LLCWest Stockridge, MA3 GWhOct 2017Dec 2024 Solar
Norcap SouthLSE Coma Berenices LLCEast Windsor, CT4 GWhNov 2017Dec 2024 Solar
Lilly LaneLSE Chamaeleon LLCCharlton, MA2 GWhMay 2018Dec 2024 Solar
Centaurus Solar - MALSE Centaurus LLCAshland, MA3 GWhOct 2016Dec 2024 Solar
Ashby Duffy CSG Solar FarmLSE Cassiopeia LLCAshby, MA3 GWhNov 2017Dec 2024 Solar
Canis Minor Solar FarmLSE Canis Minor LLCBarkhamsted, CT2 GWhNov 2016Dec 2023 Solar
Canis Major Solar FarmLSE Canis Major LLCSuffield, CT4 GWhNov 2016Dec 2024 Solar
Norcap NorthLSE Canes Venatici LLCEast Windsor, CT3 GWhNov 2017Dec 2024 Solar
Sturbridge BarnLSE Ara LLCCharlton, MA2 GWhMay 2018Dec 2024 Solar
LR Wheatfield Solar 1LR Wheatfield Solar 1, LLCWheatfield, NY8 GWhSep 2020Dec 2024 Solar
Long Plain SolarLong Plain Solar, LLCWhatley, MA4 GWhNov 2019Dec 2024 Solar
Livermore Falls CSGLivermore Falls CSG, LLCLivermore Falls, ME5 GWhApr 2022Dec 2024 Solar
Little Falls Solar 1Little Falls Solar 1, LLCLittle Falls, NY3 GWhAug 2020Dec 2024 Solar
Little Falls SolarLittle Falls SolarLittle Falls, NY4 GWhSep 2020Dec 2024 Solar
Limestone CSG 2 LLCLimestone CSG 2 LLCLimestone, ME62 MWhOct 2024Dec 2024 Solar
Limestone CSG 1 LLCLimestone CSG 1 LLCLimestone, ME5 MWhNov 2024Dec 2024 Solar
Limerick Road Solar FarmLimerick Road Solar, LLCShelburne, VT3 GWhNov 2013Dec 2024 Solar
Lenox RenewablesLenox Renewables, LLCCanastota, NY5 GWhAug 2021Dec 2024 Solar
Lake Road Generating PlantLake Road Generating Co LPDayville, CT6 TWhFeb 2002Sep 2025 Natural Gas
Kleen Energy Systems ProjectKleen Energy Systems, LLCMiddletown, CT3 TWhJun 2011Sep 2025 Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Kimberly Clark-Unit 1,2,3Kimberly-Clark CorporationNew Milford, CT219 GWhMar 2008Dec 2024 Natural Gas
Kendall Square StationKendall Green Energy, LLCCambridge, MA2 TWhMay 1949Sep 2025 Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Mechanic FallsKEI (Maine) Power Management (IV) LLCMechanic Falls, ME2 GWhMar 1986Dec 2024 Water
GardinerKEI (Maine) Power Management (III) LLCGardiner, ME4 GWhJun 1985Dec 2024 Water
Upper BarkerKEI (Maine) Power Management (III) LLCAuburn, ME5 GWhApr 1987Dec 2024 Water
Barker LowerKEI (Maine) Power Management (III) LLCAuburn, ME4 GWhMar 1986Dec 2024 Water
Pumpkin HillKEI (Maine) Power Management (II) LLCLowell, ME3 GWhFeb 1987Dec 2024 Water
Pittsfield HydroKEI (Maine) Power Management (II) LLCBurnham, ME3 GWhJun 1986Dec 2024 Water
Kearsarge WilmingtonKearsarge Wilmington LLCWilmington, MA2 GWhNov 2017Dec 2024 Solar
Kearsarge William WayKearsarge William Way LLCBellingham, MA7 GWhNov 2021Dec 2024 Solar
Kearsarge WesterlyKearsarge Westerly LLCWesterly, RI7 GWhNov 2020Dec 2024 Solar
Kearsarge West Shore Solar LLCKearsarge West Shore Solar LLCPortsmouth, RI9 GWhNov 2022Dec 2024 Solar
Kearsarge UxbridgeKearsarge Uxbridge LLCUxbridge, MA3 GWhAug 2018Dec 2024 Solar
Kearsarge Upper UnionKearsarge Upper Union LLCFranklin, MA2 GWhFeb 2023Dec 2024 Solar
KS Solar Six LLCKearsarge Solar LLCHubbardston, MA3 GWhNov 2013Dec 2024 Solar
Concord Solar FarmKearsarge Solar LLCConcord, MA2 GWhMar 2014Dec 2024 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2024 Solar
Kearsarge Southwick LLCKearsarge Solar LLCSouthwick, MA4 GWhFeb 2015Dec 2024 Solar
Barre II Solar ProjectKearsarge Solar LLCBarre, MA2 GWhMar 2014Dec 2024 Solar
Stetson Road Solar - Barre IKearsarge Solar LLCBarre, MA3 GWhApr 2014Dec 2024 Solar
Kearsarge Smithfield LLCKearsarge Smithfield LLCBurrillville, RI14 GWhMar 2023Dec 2024 Solar
Kearsarge SKSC2 LLCKearsarge SKSC2 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2024 Solar
Kearsarge SKSC1 LLCKearsarge SKSC1 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2024 Solar
Onset East Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2024 Solar
Onset West Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2024 Solar
Kearsarge MontagueKearsarge Montague LLCMontague, MA7 GWhMay 2018Dec 2024 Solar
Kearsarge Montague BD(CSG)Kearsarge Montague BD LLCMontague, MA3 GWhOct 2021Dec 2024 Solar
Kearsarge Ludlow LLCKearsarge Ludlow LLCLudlow, MA6 GWhNov 2020Dec 2024 Solar
Kearsarge HaverhillKearsarge Haverhill LLCHaverhill, MA4 GWhFeb 2021Dec 2024 Solar
Kearsarge GranbyKearsarge Granby LLCGranby, MA4 GWhFeb 2017Dec 2024 Solar
Kearsarge GillKearsarge Gill LLCGill, MA3 GWhDec 2017Dec 2024 Solar
Kearsarge GBKearsarge GB LLCGreat Barrington, MA3 GWhJul 2018Dec 2024 Solar
Kearsarge FoglandKearsarge Fogland LLCTiverton, RI3 GWhOct 2020Dec 2024 Solar
Kearsarge East ProvidenceKearsarge East Providence LLCEast Providence, RI3 GWhNov 2020Dec 2024 Solar
Kearsarge Concord IIKearsarge Concord II LLCConcord, MA7 GWhDec 2016Dec 2024 Solar
Kearsarge 100 Sohier RdKearsarge Beverly LLCBeverly, MA5 GWhApr 2023Dec 2024 Solar
Kearsarge Bellingham PVKearsarge Bellingham LLCBellingham, MA5 GWhNov 2016Dec 2024 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2024 Solar
Kearsarge AcushnetKearsarge Acushnet LLCAcushnet, MA3 GWhJan 2020Dec 2024 Solar
Jericho PowerJericho Power LLCBerlin, NH22 GWhDec 2015Sep 2025 Wind
Signature Breads ChelseaJDC 65R Owner, LLCChelsea, MA2 MWhApr 2019Dec 2023 Distillate Fuel Oil
Elm StreetISM Solar Dighton 3, LLCDighton, MA5 GWhNov 2020Dec 2024 Solar
Iron Horse Solar 4, LLCIron Horse Solar 4, LLCNorth Billerica, MA7 GWhMay 2017Dec 2024 Solar
Iron Horse Solar I CSGIron Horse Solar 1, LLCNorth Billerica, MA4 GWhNov 2016Dec 2024 Solar
BrockelmanIntegrys MA Solar, LLCLancaster, MA5 GWhOct 2013Dec 2024 Solar
BeverlyIntegrys MA Solar, LLCBeverly, MA3 GWhApr 2014Dec 2024 Solar
Integrys MA Solar, LLC - Ashburnham SiteIntegrys MA Solar, LLCAshburnham, MA3 GWhNov 2013Dec 2024 Solar
Granby LFGIndustrial Power Services Corp.Granby, MA3 GWhAug 2001Dec 2024 Landfill Gas
IKEA New Haven Rooftop PV & Fuel CellIKEA Property IncNew Haven, CT3 GWhJun 2012Dec 2024 Natural Gas : 73.1% Solar : 26.9%
Hydro Kennebec ProjectHydro Kennebec LLCWinslow, ME27 GWhDec 1988Dec 2024 Water
Huxley SolarHuxley Solar, LLCLudlow, MA10 GWhNov 2022Dec 2024 Solar
Holyoke Solar Cooperative at MuellerHolyoke Solar LLCHolyoke, MA4 GWhNov 2011Dec 2024 Solar
West Groton CHPHollingsworth & Vose Co West GrotonGroton, MA22 GWhNov 2015Dec 2024 Natural Gas
Texon Hydroelectric ProjectHitchcock Hydro, LLCRussell, MA4 GWhDec 1981Dec 2024 Water
Middleton Solar ParkHG Solar Development, LLCMiddleton, MA7 GWhMay 2018Dec 2024 Solar
Kibby Wind FacilityHelix Maine Wind Development, LLCChain of Ponds, ME262 GWhSep 2009Sep 2025 Wind
Lowell Solar LandfillHeliovaas LLCLowell, MA1 GWhNov 2013Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator188.2 TWh2,075
#9Tennessee Valley Authority161.7 TWh204
#10Florida Power & Light Co.149.1 TWh187
#12New York Independent System Operator131.9 TWh1,211
#13Duke Energy Carolinas112.3 TWh565
#15ISO New England105.8 TWh1,577
#16Bonneville Power Administration80.6 TWh163
#17Duke Energy Progress East64.4 TWh559
#18PacifiCorp East61.1 TWh216
#19Salt River Project Agricultural Improvement and Power District59.9 TWh48