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 201 to 300 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Carver MA 1 Community SolarNavisun LLCCarver, MA3 GWhAug 2016Dec 2025 Solar
Cataract HydroBrookfield White Pine Hydro LLCSaco, ME23 GWhDec 1936Dec 2025 Water
Caterpillar HillAES Clean EnergySedgwick, ME9 GWhNov 2023Dec 2025 Solar
CavendishGreen Mountain Power CorpCavendish, VT1 GWhJan 1907Dec 2025 Water
CCSU Co-Gen-STBY GenCentral Connecticut State UniversityNew Britain, CT10 MWhSep 1993Dec 2025 Natural Gas
CCSU Fuel Cell ProjectNew Britain Renewable Energy, LLCNew Britain, CT7 GWhMar 2012Dec 2025 Natural Gas
CED Chicopee SolarRWE Clean EnergyChicopee, MA5 GWhJun 2017Dec 2025 Solar
CED FosterRWE Clean EnergyFoster, RI3 GWhNov 2017May 2026 Solar
CED Northampton Solar LLC HybridRWE Clean EnergyNorthampton, MA6 GWhNov 2019Dec 2025 Solar
CED Westfield Solar, LLCRWE Clean EnergyWestfield, MA3 GWhJul 2016Dec 2025 Solar
Cedarville CSGAltus Power America Management, LLCPlymouth, MA914 MWhJun 2017Dec 2025 Solar
Cellu TissueDunn Paper East Hartford, LLCEast Hartford, CT12 GWhApr 2009May 2026 Natural Gas
Cenergy - KigerLuminace Sunbeam Development Holdings, LLCEmbden, ME2 GWhNov 2023Dec 2025 Solar
Cenergy - PulkBAP Grounded 2 LLCSabattus, ME8 GWhNov 2024Dec 2025 Solar
Cenergy - Richards (CSG)Luminace Sunbeam Development Holdings, LLCFairfield, ME2 GWhSep 2023Dec 2025 Solar
Cenergy - Waterville (CSG)Luminace Sunbeam Development Holdings, LLCWaterville, ME9 GWhJun 2023Dec 2025 Solar
Cenergy - Wiscasset (CSG)Luminace Sunbeam Development Holdings, LLCWiscasset, ME8 GWhJun 2023Dec 2025 Solar
Centaurus Solar - MALSE Centaurus LLCAshland, MA3 GWhOct 2016Dec 2025 Solar
Centech Gas GeneratorTown of Shrewsbury - (MA)Shrewsbury, MA428 MWhMar 2019Dec 2025 Natural Gas
Central Heating PlantUniversity of Massachusetts AmherstAmherst, MA80 GWhSep 2007Dec 2025 Natural Gas : 96.3% Distillate Fuel Oil : 3.7%
Central Power PlantState of Rhode IslandCranston, RI19 GWhJul 1958Mar 2026 Natural Gas : 97.5% Distillate Fuel Oil : 2.5%
CES Agawam Tuckahoe Solar HybridCES Agawam Tuckahoe Solar LLCAgawam, MA7 GWhNov 2021Dec 2025 Solar
CES Sterling LLCSunEdison LLCSterling, MA3 GWhJan 2013Dec 2025 Solar
Chace Mill Winooski OneCity of Burlington Electric - (VT)Winooski, VT17 GWhMar 1993Dec 2025 Water
Charlemont AAgilitas Energy, Inc.Charlemont, MA3 GWhAug 2021Dec 2025 Solar
Charles E MontyBrookfield White Pine Hydro LLCLewiston, ME114 GWhDec 1989Dec 2025 Water
Charlestown Wind TurbineMWRA CharlestownCharlestown, MA1 GWhSep 2011Dec 2025 Wind
Charlotte Solar LLC VTAltus Power America Management, LLCCharlotte, VT3 GWhJun 2014Dec 2025 Solar
Charlton Solar I CSGCharlton Solar I, LLCCharlton, MA5 GWhNov 2014Dec 2025 Solar
Chatham LandfillClean Focus Yield, LLCChatham, MA2 GWhAug 2014Dec 2025 Solar
ChemicalCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA5 GWhDec 1934Dec 2025 Water
Cherry StreetTown of Hudson - (MA)Hudson, MA320 MWhApr 1951Dec 2025 Distillate Fuel Oil : 58.5% Natural Gas : 41.5%
Cherry Valley Solar, LLC CSG38 Degrees North, LLCLeicester, MA2 GWhOct 2017Dec 2025 Solar
Chester Power PartnersAltus Power America Management, LLCNorth Chester, VT2 GWhOct 2014Dec 2025 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2025 Solar
ChicopeeCaptona Chicopee LLCChicopee, MA2 GWhMar 2017Dec 2025 Solar
Chicopee Granby Road SolarCitizens Enterprises CorporationChicopee, MA2 GWhDec 2014Dec 2025 Solar
Chicopee River SolarCitizens Enterprises CorporationSpringfield, MA3 GWhDec 2014Dec 2025 Solar
Chicopee SolarCitizens Enterprises CorporationChicopee, MA4 GWhNov 2013Dec 2025 Solar
China Mill HydroNew Hampshire Hydro AssociatesAllenstown, NH3 GWhJun 1981Dec 2025 Water
Chittenden County Solar PartnersChittenden County Solar Partners LLCSouth Burlington, VT3 GWhApr 2011Dec 2024 Solar
Chocksett Rd Energy Storage ProjectSterling Municipal Light Department - (MA)Sterling, MA62 MWhMar 2017Dec 2025 Electricity used for energy storage
Church Hill Road Augusta Solar, LLCREA Investments, LLCAugusta, ME7 GWhJan 2022Dec 2025 Solar
Citizens Agawam Landfill SolarCitizens Enterprises CorporationAgawam, MA3 GWhMar 2017Dec 2025 Solar
Claire Solar FarmClaire Solar Partners LLCSouth Burlington, VT4 GWhJun 2014Dec 2024 Solar
Clarendon Solar FarmClarendon Solar Farm, LLCNorth Clarendon, VT3 GWhJun 2014Dec 2025 Solar
Clark FallsGreen Mountain Power CorpMilton, VT14 GWhJan 1937Dec 2025 Water
Clark Road Solar 1, LLCClark Road Solar 1, LLCGardner, MA8 GWhNov 2020Dec 2025 Solar
Clark UniversityClark UniversityWorcester, MA4 GWhDec 2012Dec 2025 Natural Gas
Cleary Flood HybridCity of Taunton - (MA)Taunton, MA54 GWhMay 1966Dec 2025 Natural Gas : 94.0% Distillate Fuel Oil : 6.0%
Clement Dam Hydro LLCEagle Creek Renewable Energy, LLCTilton, NH7 GWhNov 1984Oct 2025 Water
Clemons Road SolarRPNY Solar 4, LLCMinoa, NY4 GWhJun 2024Dec 2025 Solar
Clinton SolarEcos Energy LLCGriswold, CT2 GWhApr 2021Dec 2025 Solar
CMEEC - BozrahTesla Inc.Bozrah, CT3 GWhNov 2016Dec 2025 Solar
CMEEC - Navy NE TridentTesla Inc.Groton, CT1 GWhMay 2017Dec 2025 Solar
CMEEC - Norwich Stott St Solar HybridTesla Inc.Norwich, CT4 GWhNov 2016Dec 2025 Solar
CMEEC - Polaris Park Solar HybridTesla Inc.Gordon, CT4 GWhJul 2017Dec 2025 Solar : 99.9%
CMEEC - Rogers Rd SolarTesla Inc.Norwich, CT2 GWhJan 2017Dec 2025 Solar
Cobble MountainCity of Holyoke Gas and Elec Dept - (MA)Granville, MA7 GWhDec 1929Dec 2025 Water
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA1 GWhSep 2017Dec 2025 Solar
Colchester 16Green Mountain Power CorpColchester, VT310 MWhSep 1965Dec 2025 Distillate Fuel Oil
Cold River Road SolarOnsite Partners, LLCNorth Clarendon, VT3 GWhNov 2016Dec 2025 Solar
ComerfordGreat River Hydro, LLCMonroe, NH297 GWhAug 1930Dec 2025 Water
Concord Solar FarmKearsarge Solar LLCConcord, MA2 GWhMar 2014Dec 2025 Solar
Conn Mun Electric Energy CoopTesla Inc.Norwich, CT1 GWhNov 2016Dec 2025 Solar
Connecticut CollegeBloom EnergyNew London, CT10 GWhAug 2019Dec 2025 Natural Gas
Coolidge Solar 1, LLCCoolidge Solar I, LLCLudlow, VT25 GWhNov 2018May 2026 Solar
Corbin Russwin Phase 3 BerlinPowerflexBerlin, CT2 GWhMar 2018Dec 2025 Solar
CoreSite - SomervilleBloom EnergySomerville, MA28 GWhAug 2020Dec 2025 Natural Gas
Corkwood Solar (CSG)NextGrid Corkwood, LLCHowland, ME6 GWhOct 2023Dec 2025 Solar
Cos CobConnecticut Jet Power LLCGreenwich, CT2 GWhAug 1969Dec 2025 Kerosene
Cosgrove Intake and Power StationMassachusetts Water Res AuthClinton, MA646 MWhDec 1968Jan 2025 Water
Cottage Street Solar FacilityWestern Massachusetts Electric CompanySpringfield, MA4 GWhApr 2014May 2026 Solar
Covanta Bristol EnergyCovanta Bristol IncBristol, CT109 GWhNov 1987May 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Covanta HaverhillOgden Projects Inc-HaverhillHaverhill, MA287 GWhApr 1989May 2026 Non-biogenic Municipal Solid Waste : 52.8% Biogenic Municipal Solid Waste : 43.2% Distillate Fuel Oil : 4.1%
Covanta Southeastern Connecticut CompanyCovanta Southeastern Connecticut CompanyPreston, CT108 GWhNov 1991May 2026 Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Distillate Fuel Oil : 2.1%
Coventry Clean Energy CorporationWashington Electric Coop - (VT)Coventry, VT57 GWhJun 2005Dec 2025 Landfill Gas
Coventry Photovoltaic, LLCCoventry Photovoltaic, LLCCoventry, VT3 GWhJul 2014Dec 2025 Solar
CP East Hampton I & II SolarNJR Clean Energy Ventures CorporationEast Hampton, CT3 GWhJan 2021Dec 2024 Solar
CP Middletown Solar I LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2025 Solar
CP Middletown Solar II LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2025 Solar
CPV Towantic Energy CenterCPV Towantic, LLCOxford, CT6 TWhApr 2018May 2026 Natural Gas
Cranberry Highway Solar LLCCranberry Highway Solar, LLCWareham, MA3 GWhFeb 2021Dec 2025 Solar
Cranberry SolarGWE Cranberry Solar RT, LLCMiddleborough, MA2 GWhNov 2016Dec 2025 Solar
Cream Street SolarCream Street Solar, LLCHyde Park, NY4 GWhNov 2020Dec 2025 Solar
Cronin Road Solar 1, LLC CSG HybridAES Distributed EnergyWarren, MA3 GWhMay 2020Dec 2025 Solar
CTGB Maloney and WebsterTotalEnergies Renewables USA LLCCheshire, CT3 GWhJun 2025Dec 2025 Solar
CTGB OsbornTotalEnergies Renewables USA LLCSomers, CT3 GWhNov 2024Dec 2025 Solar
Curtis Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
CVEC Round 4 Brewster Captn Golf CourseFreemans Way Solar Project 2019, LLCBrewster, MA1 GWhFeb 2022Dec 2025 Solar
Cycz Solar Project CSG HybridAES Distributed EnergySpencer, MA3 GWhMay 2020Dec 2025 Solar
Dairy FarmGreenbacker Renewable Energy CorporationAnson, ME6 GWhSep 2024Dec 2025 Solar
Danbury Hospital Cogen PlantDanbury HospitalDanbury, CT22 GWhOct 2011Dec 2025 Natural Gas
Danton XI Solar LLCDanton XI Solar LLCMethuen, MA2 GWhDec 2013Dec 2025 Solar
DartmouthMass Solar, LLCDartmouth, MA6 GWhMar 2014Dec 2025 Solar
Dartmouth College Heating PlantDartmouth CollegeHanover, NH11 GWhDec 1969May 2026 Residual Fuel Oil
Dartmouth Farms SolarDartmouth Farms Solar, LLCDartmouth, MA4 GWhOct 2017Dec 2025 Solar
Dartmouth II SolarRWE Clean EnergyDartmouth, MA3 GWhMay 2012Dec 2025 Solar
Dartmouth LandfillCleanCapital HoldingsDartmouth, MA2 GWhJan 2013Dec 2025 Solar
Dartmouth Power Associates LPDartmouth Energy CenterDartmouth, MA89 GWhFeb 1992Dec 2025 Natural Gas : 96.7% Distillate Fuel Oil : 3.3%

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