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 Nov 2025
Annual Generation 105.5 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 | 26% Water | 5% Other Fuel | 4.4% Wind | 4% Solar | 1.5% Coal | 0.4%

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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 101 to 200 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Blair Wire Village Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2024 Solar
Block Island Wind FarmDeepwater Wind Block Island LLCNA, RI85 GWhNov 2016Sep 2025 Wind
Blodgett Solar CSGBlodgett Street Solar 1, LLCTyngsboro, MA10 GWhJul 2021Dec 2024 Solar
BlueWave Capital - Grafton (SREC II)TerraForm Solar XVII, LLCGrafton, MA2 GWhFeb 2015Dec 2024 Solar
BNRG Norridgewock (CSG)Nautilus Solar SolutionsNorridgewock, ME171 MWhOct 2024Dec 2024 Solar
BNRG North Anson (CSG)Nautilus Solar SolutionsNorth Anson, ME143 MWhOct 2024Dec 2024 Solar
BoatlockCity of Holyoke Gas and Electric Dept.Holyoke, MA19 GWhDec 1920Dec 2024 Water
Bolton PVAES Distributed EnergyBolton, MA7 GWhNov 2013Dec 2024 Solar
Boltonville Hydro AssociatesBoltonville Hydro AssociatesBoltonville, VT3 GWhJun 1984Dec 2024 Water
Bonny EagleBrookfield White Pine Hydro LLCHollis, ME33 GWhDec 1909Dec 2024 Water
Boott HydropowerBoott Hydro, LLC - HybridLowell, MA28 GWhSep 1985Dec 2024 Water
Boston Medical Center CHP PlantBoston Medical CenterBoston, MA14 GWhMar 2017Dec 2024 Natural Gas
Boston Scientific SolarConsolidated Edison Solutions Inc.Quincy, MA2 GWhNov 2012Dec 2024 Solar
Bourne (MA) - Holliston INVT LICENSES, LLCHolliston, MA4 GWhNov 2014Dec 2024 Solar
Boutillier Solar, LLC CSG38 Degrees North, LLCLeicester, MA5 GWhMar 2018Dec 2024 Solar
Bowden Solar LLC38DN Power Fund 1 LLCMonson, MA3 GWhFeb 2019Dec 2024 Solar
Bradford SolarBradford Solar, LLCHaverhill, MA8 GWhMar 2017Dec 2024 Solar
Bradley Energy CenterAmeresco Select IncWindsor Locks, CT12 GWhOct 2002Dec 2024 Natural Gas
Braintree Landfill SolarAmeresco, Inc - BraintreeBraintree, MA1 GWhNov 2014Dec 2024 Solar
Braley Road 2Mass Solar, LLCFreetown, MA2 GWhFeb 2015Dec 2024 Solar
BranfordConnecticut Jet Power LLCBranford, CT109 MWhOct 1967Dec 2024 Kerosene
Brassua Hydroelectric ProjectBrassua Hydroelectric LPRockwood, ME10 GWhAug 1989Dec 2024 Water
Brattleboro (Windham Landfill)Greenbacker Renewable Energy CorporationBrattleboro, VT7 GWhJul 2018Dec 2024 Solar
Breckenridge SolarBreckenridge Street Solar 1, LLCPalmer, MA7 GWhOct 2020Dec 2024 Solar
Brewer (CSG)Nautilus Solar SolutionsBrewer, ME2 GWhJul 2024Dec 2024 Solar
Brewster LandfillClean Focus Yield, LLCBrewster, MA5 GWhAug 2014Dec 2024 Solar
Bridge Street 1 & 2Connecticut Mun Elec Engy CoopGroton, CT458 MWhJun 2010Dec 2024 Distillate Fuel Oil
Bridgeport Energy ProjectBridgeport Energy LLCBridgeport, CT2 TWhMay 1998Sep 2025 Natural Gas
Bridgeport Fuel Cell, LLCBridgeport Fuel Cell, LLCBridgeport, CT97 GWhNov 2013Dec 2024 Natural Gas
Bridgeport StationGeneration Bridge II Connecticut, LLCBridgeport, CT4 TWhJul 1961Sep 2025 Natural Gas : 98.6% Distillate Fuel Oil : 1.4%
Bridgewater Complex Co-Generation PlantMassachusetts Department of CorrectionBridgewater, MA1 GWhOct 2015Dec 2024 Natural Gas
Bridgewater Power LPBridgewater Power Co LPBridgewater, NH93 GWhJul 1987Dec 2024 Wood/Wood Waste Solids : 99.5%
Bridgewater Solar CSGMN8 Energy LLCBridgewater, MA4 GWhJul 2015Dec 2024 Solar
BrimfieldWEB Brimfield Solar LLCBrimfield, MA3 GWhNov 2021Dec 2024 Solar
Bristol Landfill SolarNuGen Capital ManagementBristol, RI8 GWhFeb 2024Dec 2024 Solar
Bristol Solar One, LLCDG Connecticut III, LLCBristol, CT5 GWhApr 2021Dec 2024 Solar
BRNG Nicolin (CSG)Nautilus Solar SolutionsEllsworth, ME205 MWhNov 2024Dec 2024 Solar
Broadway Solar (CSG)NextGrid Bitterbush, LLCBangor, ME5 GWhAug 2023Dec 2024 Solar
BrockelmanIntegrys MA Solar, LLCLancaster, MA5 GWhOct 2013Dec 2024 Solar
Brockelman Road Solar 2Brockelman Road Solar 2, LLCLancaster, MA2 GWhJul 2021Dec 2024 Solar
Brook Street Solar 1 CSGBrook Street Solar 1, LLCPlympton, MA3 GWhJul 2017Dec 2024 Solar
Brookfield Solar 2013 LLCCVI CleanCapital Solar 6North Brookfield, MA2 GWhNov 2013Dec 2024 Solar
Brookfield Wire CompanyDynamic Energy Solutions, LLCBrookfield, MA2 GWhMay 2016Dec 2024 Solar
BrooksideTerraform ArcadiaNorth Smithfield, RI2 GWhOct 2015Nov 2024 Solar
Brookwood Drive Community SolarAES Distributed EnergyWestport, MA7 GWhJul 2022Dec 2024 Solar
Browne Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2024 Solar
Brunswick HydroBrookfield White Pine Hydro LLCBrunswick, ME88 GWhFeb 1982Dec 2024 Water
Bucksport Generation LLCBucksport Generation LLCBucksport, ME10 GWhJun 1965Aug 2025 Natural Gas : 97.3% Distillate Fuel Oil : 2.7%
Bull Hill Wind ProjectEvergreen Wind, LLCEastbrook, ME74 GWhSep 2012Dec 2024 Wind
Bullock Road Solar 1Bullock Road Solar 1, LLCFreetown, MA4 GWhJun 2018Dec 2024 Solar
Bulls BridgeFirstLight Power Resources Services LLCNew Milford, CT31 GWhDec 1902Dec 2024 Water
BunceLSE Indus LLCNorth Canaan, CT3 GWhMar 2022Dec 2024 Solar
Burgess BioPowerBerlin Station, LLCBerlin, NH349 GWhOct 2013Dec 2024 Wood/Wood Waste Solids
Burlington GTCity of Burlington Electric - (VT)Burlington, VT358 MWhAug 1971Dec 2024 Distillate Fuel Oil
Burlington Solar 1DG Connecticut III, LLCBurlington, CT6 GWhJan 2022Dec 2024 Solar
BWC Beech Ridge Brook, LLCNavisun LLCScarborough, ME8 GWhApr 2023Dec 2024 Solar
BWC Gibbs BrookBWC Gibbs Brook, LLCWareham, MA6 GWhNov 2018Dec 2024 Solar
BWC Harlow BrookBWC Harlow Brook, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
BWC Lake Lashaway, LLC HybridAES Distributed EnergyNorth Brookfield, MA8 GWhApr 2021Dec 2024 Solar
BWC Maces Pond LLCNavisun LLCRockport, ME5 GWhNov 2021Dec 2024 Solar
BWC Muddy Brook, LLC HybridAES Distributed EnergyMendon, MA2 GWhAug 2021Dec 2024 Solar
BWC Origination 18BWC Origination 18, LLCMattapoisett, MA8 GWhNov 2018Dec 2024 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
BWC Rams Horn Channel LLCNavisun LLCBeverly, MA6 GWhNov 2020Dec 2024 Solar
BWC Stony Brook, LLC HybridAES Distributed EnergyChelmsford, MA2 GWhJun 2021Dec 2024 Solar
BWC Swan Pond River CSGBWC Swan Pond River, LLCRehoboth, MA3 GWhNov 2015Dec 2024 Solar
BWC Unity Pond LLCNavisun LLCBenton, ME8 GWhNov 2023Dec 2024 Solar
BWC Wading River One, Two, Three CSGAmeresco BWC Wading River LLCMendon, MA5 GWhOct 2017Dec 2024 Solar
BWC Wareham RiverBWC Wareham River, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
CabotFirstLight Power Resources, Inc. - MAMontague, MA304 GWhDec 1914Dec 2024 Water
Cabot HolyokeCity of Holyoke Gas and Electric Dept.Holyoke, MA4 GWhDec 1892Dec 2024 Water
Cadys FallsVillage of Morrisville - (VT)Morrisville, VT139 MWhJul 1914Dec 2024 Water
Camelot Wind LLCCamelot Wind LLCPlymouth, MA2 GWhSep 2012Dec 2024 Wind
CanaanCentral Rivers Power NH, LLCCanaan, VT6 GWhJul 1927Dec 2024 Water
CanalCanal Generating LLCSandwich, MA352 GWhMay 1968Sep 2025 Natural Gas : 59.2% Residual Fuel Oil : 37.0% Distillate Fuel Oil : 3.8%
Canis Major Solar FarmLSE Canis Major LLCSuffield, CT4 GWhNov 2016Dec 2024 Solar
Canis Minor Solar FarmLSE Canis Minor LLCBarkhamsted, CT2 GWhNov 2016Dec 2023 Solar
CantonCaptona Canton LLCCanton, MA6 GWhJul 2012Dec 2024 Solar
Canton GLC Solar, LLCREA Investments, LLCCanton, ME4 GWhMar 2024Dec 2024 Solar
Canton Mountain WindCPV Canton Mountain Wind LLCCanton, ME51 GWhOct 2017Dec 2024 Wind
Cape Cod Air Force Station - 6 SWSUS Air ForceSagamore, MA5 GWhDec 2013Sep 2025 Wind
Cape Gas TurbineFPL Energy Cape LLCPortland, ME111 MWhDec 1969Dec 2024 Distillate Fuel Oil
CaribouAltus Power America Management, LLCCaribou, ME6 GWhJul 2023Dec 2024 Solar
CarverCaptona Carver LLCNorth Carver, MA2 GWhApr 2017Dec 2024 Solar
Carver CSGAltus Power America Management, LLCCarver, MA4 GWhApr 2019Dec 2024 Solar
Carver FallsGreen Mountain Power CorpHampton, NY6 GWhJan 1922Dec 2024 Water
Carver MA 1 Community SolarNavisun LLCCarver, MA3 GWhAug 2016Dec 2024 Solar
Cataract HydroBrookfield White Pine Hydro LLCSaco, ME28 GWhDec 1936Dec 2024 Water
Caterpillar HillAES Clean EnergySedgwick, ME9 GWhNov 2023Dec 2024 Solar
CavendishGreen Mountain Power CorpCavendish, VT830 MWhJan 1907Dec 2024 Water
CCSU Co-Gen-STBY GenCentral Connecticut State UniversityNew Britain, CT90 MWhSep 1993Dec 2024 Natural Gas
CCSU Fuel Cell ProjectNew Britain Renewable Energy, LLCNew Britain, CT11 GWhMar 2012Dec 2024 Natural Gas
CED Chicopee SolarConsolidated Edison Development Inc.Chicopee, MA5 GWhJun 2017Dec 2024 Solar
CED FosterConsolidated Edison Development Inc.Foster, RI3 GWhNov 2017Sep 2025 Solar
CED Northampton Solar LLC HybridConsolidated Edison Development Inc.Northampton, MA7 GWhNov 2019Dec 2024 Solar
CED Westfield Solar, LLCConsolidated Edison Development Inc.Westfield, MA3 GWhJul 2016Dec 2024 Solar
Cedarville CSGAltus Power America Management, LLCPlymouth, MA4 GWhJun 2017Dec 2024 Solar
Cellu TissueDunn Paper East Hartford, LLCEast Hartford, CT11 GWhApr 2009Sep 2025 Natural Gas
Cenergy - KigerLuminace Sunbeam Development Holdings, LLCEmbden, ME2 GWhNov 2023Dec 2024 Solar
Cenergy - Richards (CSG)Luminace Sunbeam Development Holdings, LLCFairfield, ME2 GWhSep 2023Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#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
#19Salt River Project Agricultural Improvement and Power District60.0 TWh48