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 101 to 200 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Bird Machine Solar FarmBird Machine Solar Farm, LLCSouth Walpole, MA6 GWhJul 2017Dec 2025 Solar
BJ's Wholesale Club, Inc- UxbridgeTesla Inc.Uxbridge, MA270 MWhJun 2017Dec 2024 Solar
Blackhorse Farm Solar, LLC CSGAES Distributed EnergyWarren, RI6 GWhNov 2020Dec 2025 Solar
Blacksmith Road Solar 1Blacksmith Road Solar 1, LLCFalmouth, MA9 GWhNov 2021Dec 2025 Solar
Blackstone/TupperwareBlackstone Hydro Inc.North Smithfield, RI2 GWhDec 1980May 2026 Water
Blair SolarEcos Energy LLCSomers, CT2 GWhDec 2020Dec 2025 Solar
Blair Wire Village Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2025 Solar
Block Island Wind FarmDeepwater Wind Block Island LLCNA, RI83 GWhNov 2016May 2026 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 2025 Solar
BNRG Masardis (CSG)Nautilus Solar SolutionsMasardis, ME4 GWhNov 2024Dec 2025 Solar
BNRG Norridgewock (CSG)Nautilus Solar SolutionsNorridgewock, ME3 GWhOct 2024Dec 2025 Solar
BNRG North Anson (CSG)Nautilus Solar SolutionsNorth Anson, ME3 GWhOct 2024Dec 2025 Solar
BoatlockCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA12 GWhDec 1920Dec 2025 Water
Bolton FallsGreen Mountain Power CorpDuxbury, VT6 GWhOct 1986Dec 2025 Water
Bolton PVAES Distributed EnergyBolton, MA6 GWhNov 2013Dec 2025 Solar
Boltonville Hydro AssociatesBoltonville Hydro AssociatesBoltonville, VT2 GWhJun 1984Dec 2025 Water
Bonny EagleBrookfield White Pine Hydro LLCHollis, ME31 GWhDec 1909Dec 2025 Water
Boott HydropowerBoott Hydro, LLC - HybridLowell, MA61 GWhSep 1985Dec 2025 Water
Boston Medical Center CHP PlantBoston Medical CenterBoston, MA14 GWhMar 2017Dec 2025 Natural Gas
Boston Scientific SolarRWE Clean EnergyQuincy, MA1 GWhNov 2012Dec 2025 Solar
Bourne (MA) - Holliston INVT LICENSES, LLCHolliston, MA3 GWhNov 2014Dec 2025 Solar
Boutillier Solar, LLC CSG38 Degrees North, LLCLeicester, MA5 GWhMar 2018Dec 2025 Solar
Bowden Solar LLC38DN Power Fund 1 LLCMonson, MA3 GWhFeb 2019Dec 2025 Solar
Bradford SolarBradford Solar, LLCHaverhill, MA8 GWhMar 2017Dec 2024 Solar
Bradley Energy CenterAmeresco Select IncWindsor Locks, CT11 GWhOct 2002Dec 2025 Natural Gas
Braintree Landfill SolarAmeresco, Inc - BraintreeBraintree, MA1 GWhNov 2014Dec 2025 Solar
Braley Road 2Mass Solar, LLCFreetown, MA4 GWhFeb 2015Dec 2025 Solar
BranfordConnecticut Jet Power LLCBranford, CT288 MWhOct 1967Dec 2025 Kerosene
Brassua Hydroelectric ProjectBrassua Hydroelectric LPRockwood, ME13 GWhAug 1989Aug 2025 Water
Brattleboro (Windham Landfill)Altus Power America Management, LLCBrattleboro, VT6 GWhJul 2018Dec 2025 Solar
Breckenridge SolarBreckenridge Street Solar 1, LLCPalmer, MA7 GWhOct 2020Dec 2024 Solar
Brewer (CSG)Nautilus Solar SolutionsBrewer, ME7 GWhJul 2024Dec 2025 Solar
Brewster LandfillClean Focus Yield, LLCBrewster, MA2 GWhAug 2014Dec 2025 Solar
Bridge Street 1 & 2Connecticut Mun Elec Engy CoopGroton, CT452 MWhJun 2010Dec 2025 Distillate Fuel Oil
Bridgeport Energy ProjectBridgeport Energy LLCBridgeport, CT3 TWhMay 1998May 2026 Natural Gas
Bridgeport Fuel Cell, LLCBridgeport Fuel Cell, LLCBridgeport, CT90 GWhNov 2013Dec 2025 Natural Gas
Bridgeport StationGeneration Bridge II Connecticut, LLCBridgeport, CT3 TWhJul 1961May 2026 Natural Gas : 84.6% Distillate Fuel Oil : 15.4%
Bridgewater Complex Co-Generation PlantMassachusetts Department of CorrectionBridgewater, MA1 GWhOct 2015Dec 2025 Natural Gas
Bridgewater Power LPBridgewater Power Co LPBridgewater, NH103 GWhJul 1987Dec 2025 Wood/Wood Waste Solids : 99.8%
Bridgewater Solar CSGMN8 Energy LLCBridgewater, MA4 GWhJul 2015Dec 2025 Solar
BrimfieldWEB Brimfield Solar LLCBrimfield, MA3 GWhNov 2021Dec 2025 Solar
Bristol Landfill SolarNuGen Capital ManagementBristol, RI9 GWhFeb 2024Dec 2025 Solar
Bristol Solar One, LLCDG Connecticut III, LLCBristol, CT5 GWhApr 2021Dec 2025 Solar
BRNG Nicolin (CSG)Nautilus Solar SolutionsEllsworth, ME6 GWhNov 2024Dec 2025 Solar
BroadheadMadison Energy Investments LLCWaterville, ME7 GWhFeb 2023Dec 2025 Solar
Broadway Solar (CSG)NextGrid Bitterbush, LLCBangor, ME6 GWhAug 2023Dec 2025 Solar
BrockelmanIntegrys MA Solar, LLCLancaster, MA5 GWhOct 2013Dec 2025 Solar
Brockelman Road Solar 2Brockelman Road Solar 2, LLCLancaster, MA2 GWhJul 2021Dec 2025 Solar
Brook Street Solar 1 CSGBrook Street Solar 1, LLCPlympton, MA3 GWhJul 2017Dec 2025 Solar
Brookfield Solar 2013 LLCCVI CleanCapital Solar 6North Brookfield, MA3 GWhNov 2013Dec 2025 Solar
Brookfield Wire CompanyDynamic Energy Solutions, LLCBrookfield, MA2 GWhMay 2016Dec 2025 Solar
BrooksideTerraform ArcadiaNorth Smithfield, RI969 MWhOct 2015Nov 2025 Solar
Brookwood Drive Community SolarAES Distributed EnergyWestport, MA5 GWhJul 2022Dec 2025 Solar
Browne Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2025 Solar
Brunswick HydroBrookfield White Pine Hydro LLCBrunswick, ME70 GWhFeb 1982Dec 2025 Water
Bucksport Generation LLCBucksport Generation LLCBucksport, ME29 GWhJun 1965May 2026 Natural Gas : 57.8% Distillate Fuel Oil : 42.2%
Bull Hill Wind ProjectEvergreen Wind, LLCEastbrook, ME66 GWhSep 2012Dec 2025 Wind
Bullock Road Solar 1Bullock Road Solar 1, LLCFreetown, MA4 GWhJun 2018Dec 2025 Solar
Bulls BridgeFirstLight Power Resources Services LLCNew Milford, CT27 GWhDec 1902Dec 2025 Water
BunceLSE Indus LLCNorth Canaan, CT3 GWhMar 2022Dec 2025 Solar
Burgess BioPowerBerlin Station, LLCBerlin, NH390 GWhOct 2013Dec 2025 Wood/Wood Waste Solids
Burlington GTCity of Burlington Electric - (VT)Burlington, VT684 MWhAug 1971Dec 2025 Distillate Fuel Oil
Burlington Solar 1DG Connecticut III, LLCBurlington, CT6 GWhJan 2022Dec 2025 Solar
BWC Beech Ridge Brook, LLCNavisun LLCScarborough, ME8 GWhApr 2023Dec 2025 Solar
BWC Gibbs BrookBWC Gibbs Brook, LLCWareham, MA7 GWhNov 2018Dec 2025 Solar
BWC Harlow BrookBWC Harlow Brook, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
BWC Jimmie PondNavisun LLCHampden, ME3 GWhNov 2024Dec 2025 Solar
BWC Lake Lashaway, LLC HybridAES Distributed EnergyNorth Brookfield, MA8 GWhApr 2021Dec 2025 Solar : 99.4% Electricity used for energy storage : 0.6%
BWC Maces Pond LLCNavisun LLCRockport, ME4 GWhNov 2021Dec 2025 Solar
BWC Muddy Brook, LLC HybridAES Distributed EnergyMendon, MA2 GWhAug 2021Dec 2025 Solar : 99.8%
BWC Mystic RiverBWC Mystic River LLCMendon, MA2 GWhJun 2017Dec 2025 Solar
BWC Origination 18BWC Origination 18, LLCMattapoisett, MA7 GWhNov 2018Dec 2025 Solar
BWC Origination 19BWC Origination 19 LLCHopedale, MA2 GWhJul 2017Dec 2025 Solar
BWC Origination 8 LLC Sturbridge 1BWC Origination 8 LLC Sturbridge 1 LLCSturbridge, MA1 GWhJul 2017Dec 2025 Solar
BWC Origination 8 LLC Sturbridge 2BWC Origination 8 LLC Sturbridge 2 LLCSturbridge, MA1 GWhAug 2017Dec 2025 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
BWC Rams Horn Channel LLCNavisun LLCBeverly, MA6 GWhNov 2020Dec 2025 Solar
BWC Stony Brook, LLC HybridAES Distributed EnergyChelmsford, MA2 GWhJun 2021Dec 2025 Solar
BWC Swan Pond River CSGBWC Swan Pond River, LLCRehoboth, MA3 GWhNov 2015Dec 2025 Solar
BWC Unity Pond LLCNavisun LLCBenton, ME7 GWhNov 2023Dec 2025 Solar
BWC Wading River One, Two, Three CSGAmeresco BWC Wading River LLCMendon, MA2 GWhOct 2017Dec 2025 Solar
BWC Wareham RiverBWC Wareham River, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
CabotFirstLight Power Resources, Inc. - MAMontague, MA239 GWhDec 1914Dec 2025 Water
Cabot HolyokeCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA3 GWhDec 1892Dec 2025 Water
Cadys FallsVillage of Morrisville - (VT)Morrisville, VT2 GWhJul 1914Dec 2025 Water
Camelot Wind LLCCamelot Wind LLCPlymouth, MA2 GWhSep 2012Dec 2024 Wind
CanaanCentral Rivers Power NH, LLCCanaan, VT6 GWhJul 1927Dec 2025 Water
CanalCanal Generating LLCSandwich, MA546 GWhMay 1968May 2026 Residual Fuel Oil : 55.3% Natural Gas : 34.6% Distillate Fuel Oil : 10.1%
Canis Major Solar FarmLSE Canis Major LLCSuffield, CT3 GWhNov 2016Dec 2025 Solar
CantonCaptona Canton LLCCanton, MA6 GWhJul 2012Dec 2025 Solar
Canton GLC Solar, LLCREA Investments, LLCCanton, ME5 GWhMar 2024Dec 2025 Solar
Canton Mountain WindCPV Canton Mountain Wind LLCCanton, ME56 GWhOct 2017Dec 2025 Wind
Cape Cod Air Force Station - 6 SWSUS Space ForceSagamore, MA6 GWhDec 2013May 2026 Wind
Cape Gas TurbineFPL Energy Cape LLCPortland, ME752 MWhDec 1969Dec 2025 Distillate Fuel Oil
CaribouAltus Power America Management, LLCCaribou, ME6 GWhJul 2023Dec 2025 Solar
Caribou SolarSoCore Energy LLCCaribou, ME6 GWhNov 2024Dec 2025 Solar
CarverCaptona Carver LLCNorth Carver, MA2 GWhApr 2017Dec 2025 Solar
Carver CSGAltus Power America Management, LLCCarver, MA3 GWhApr 2019Dec 2025 Solar
Carver FallsGreen Mountain Power CorpHampton, NY4 GWhJan 1922Dec 2025 Water

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