ISO New England

Balancing Authority Summary Information

ISO New England is ranked #14 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 Jun 2025
Annual Generation 103.4 TWh
Power Plants1,561
Utilities814
Ranked #14 out of 65 in terms of net annual generation
Ranked #11 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 57.1% Nuclear | 24.6% Water | 6.2% Other Fuel | 4.5% Wind | 3.7% Solar | 1.4% Coal | 0.4%

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

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List of All ISO New England Power Plants

Displaying Results 201 to 300 of 1,270
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Chace Mill Winooski OneCity of Burlington Electric - (VT)Winooski, VT29 GWhMar 1993Dec 2024 Water
Charlemont ACharlemont MA, LLCCharlemont, MA3 GWhAug 2021Dec 2023 Solar
Charles E MontyBrookfield White Pine Hydro LLCLewiston, ME141 GWhDec 1989Dec 2024 Water
Charlestown Wind TurbineMWRA CharlestownCharlestown, MA1 GWhSep 2011Dec 2024 Wind
Charlotte Solar LLC VTAltus Power America Management, LLCCharlotte, VT3 GWhJun 2014Dec 2024 Solar
Charlton Solar I CSGCharlton Solar I, LLCCharlton, MA5 GWhNov 2014Dec 2024 Solar
Chatham LandfillClean Focus Yield, LLCChatham, MA2 GWhAug 2014Dec 2024 Solar
ChemicalCity of Holyoke Gas and Electric Dept.Holyoke, MA5 GWhDec 1934Dec 2024 Water
Cherry StreetTown of Hudson - (MA)Hudson, MA199 MWhApr 1951Dec 2024 Natural Gas : 64.2% Distillate Fuel Oil : 35.8%
Cherry Valley Solar, LLC CSG38 Degrees North, LLCLeicester, MA2 GWhOct 2017Dec 2024 Solar
Chester Power PartnersAltus Power America Management, LLCNorth Chester, VT2 GWhOct 2014Dec 2023 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2024 Solar
ChicopeeCaptona Chicopee LLCChicopee, MA3 GWhMar 2017Dec 2024 Solar
Chicopee Granby Road SolarCitizens Enterprises CorporationChicopee, MA2 GWhDec 2014Dec 2024 Solar
Chicopee River SolarCitizens Enterprises CorporationSpringfield, MA3 GWhDec 2014Dec 2024 Solar
Chicopee SolarCitizens Enterprises CorporationChicopee, MA5 GWhNov 2013Dec 2024 Solar
China Mill HydroNew Hampshire Hydro AssociatesAllenstown, NH3 GWhJun 1981Dec 2024 Water
Chittenden County Solar PartnersChittenden County Solar Partners LLCSouth Burlington, VT3 GWhApr 2011Dec 2024 Solar
Church Hill Road Augusta Solar, LLCREA Investments, LLCAugusta, ME6 GWhJan 2022Dec 2024 Solar
Citizens Agawam Landfill SolarCitizens Enterprises CorporationAgawam, MA3 GWhMar 2017Dec 2024 Solar
Claire Solar FarmClaire Solar Partners LLCSouth Burlington, VT4 GWhJun 2014Dec 2024 Solar
Clarendon Solar FarmClarendon Solar Farm, LLCNorth Clarendon, VT3 GWhJun 2014Dec 2024 Solar
Clark FallsGreen Mountain Power CorpMilton, VT17 GWhJan 1937Dec 2024 Water
Clark Road Solar 1, LLCClark Road Solar 1, LLCGardner, MA8 GWhNov 2020Dec 2023 Solar
Clark UniversityClark UniversityWorcester, MA4 GWhDec 2012Dec 2024 Natural Gas
Cleary Flood HybridCity of TauntonTaunton, MA133 GWhMay 1966Dec 2024 Natural Gas : 99.8%
Clement Dam Hydro LLCEagle Creek Renewable Energy, LLCTilton, NH9 GWhNov 1984Dec 2024 Water
Clemons Road SolarRPNY Solar 4, LLCMinoa, NY1 GWhJun 2024Dec 2024 Solar
Clinton SolarEcos Energy LLCGriswold, CT2 GWhApr 2021Dec 2024 Solar
CMEEC - BozrahTesla Inc.Bozrah, CT3 GWhNov 2016Dec 2024 Solar
CMEEC - Navy NE TridentTesla Inc.Groton, CT1 GWhMay 2017Dec 2024 Solar
CMEEC - Norwich Stott St Solar HybridTesla Inc.Norwich, CT4 GWhNov 2016Dec 2024 Solar
CMEEC - Polaris Park Solar HybridTesla Inc.Gordon, CT5 GWhJul 2017Dec 2023 Solar
CMEEC - Rogers Rd SolarTesla Inc.Norwich, CT875 MWhJan 2017Dec 2024 Solar
Cobble MountainCity of Holyoke Gas and Electric Dept.Granville, MA8 GWhDec 1929Dec 2024 Water
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhSep 2017Dec 2024 Solar
Colchester 16Green Mountain Power CorpColchester, VT279 MWhSep 1965Dec 2024 Distillate Fuel Oil
Cold River Road SolarAEP Onsite Partners, LLCNorth Clarendon, VT3 GWhNov 2016Dec 2023 Solar
Collins FacilityRelevate Power Management LLCWilbraham, MA7 GWhFeb 1985Dec 2023 Water
ComerfordGreat River Hydro, LLCMonroe, NH400 GWhAug 1930Dec 2024 Water
Concord Solar FarmKearsarge Solar LLCConcord, MA2 GWhMar 2014Dec 2024 Solar
Conn Mun Electric Energy CoopTesla Inc.Norwich, CT1 GWhNov 2016Dec 2024 Solar
Connecticut CollegeBloom EnergyNew London, CT9 GWhAug 2019Dec 2024 Natural Gas
Coolidge Solar 1, LLCCoolidge Solar I, LLCLudlow, VT25 GWhNov 2018Apr 2025 Solar
Corbin Russwin Phase 3 BerlinEnterSolarBerlin, CT2 GWhMar 2018Dec 2023 Solar
CoreSite - SomervilleBloom EnergySomerville, MA5 GWhAug 2020Dec 2024 Natural Gas
Corkwood Solar (CSG)NextGrid Corkwood, LLCHowland, ME5 GWhOct 2023Dec 2024 Solar
Cos CobConnecticut Jet Power LLCGreenwich, CT676 MWhAug 1969Dec 2024 Kerosene
Cosgrove Intake and Power StationMassachusetts Water Res AuthClinton, MA738 MWhDec 1968Dec 2024 Water
Cottage Street Solar FacilityWestern Massachusetts Electric CompanySpringfield, MA3 GWhApr 2014Apr 2025 Solar
Covanta Bristol EnergyCovanta Bristol IncBristol, CT105 GWhNov 1987Apr 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Covanta HaverhillOgden Projects Inc-HaverhillHaverhill, MA298 GWhApr 1989Mar 2025 Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8%
Covanta Southeastern Connecticut CompanyCovanta Southeastern Connecticut CompanyPreston, CT113 GWhNov 1991Apr 2025 Non-biogenic Municipal Solid Waste : 54.2% Biogenic Municipal Solid Waste : 44.4% Distillate Fuel Oil : 1.4%
Coventry Clean Energy CorporationWashington Electric Coop - (VT)Coventry, VT49 GWhJun 2005Dec 2024 Landfill Gas
Coventry Photovoltaic, LLCCoventry Photovoltaic, LLCCoventry, VT2 GWhJul 2014Dec 2024 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 2024 Solar
CP Middletown Solar II LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
CPV Towantic Energy CenterCPV Towantic, LLCOxford, CT5 TWhApr 2018Apr 2025 Natural Gas
Cranberry Highway Solar LLCCranberry Highway Solar, LLCWareham, MA2 GWhFeb 2021Dec 2024 Solar : 99.2% Electricity used for energy storage : 0.8%
Cranberry SolarGWE Cranberry Solar RT, LLCMiddleborough, MA1 GWhNov 2016Dec 2024 Solar
Cream Street SolarCream Street Solar, LLCHyde Park, NY4 GWhNov 2020Dec 2024 Solar
Cronin Road Solar 1, LLC CSG HybridAES Distributed EnergyWarren, MA3 GWhMay 2020Dec 2024 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 2024 Solar
Cycz Solar Project CSG HybridAES Distributed EnergySpencer, MA3 GWhMay 2020Dec 2024 Solar
Dairy FarmGreenbacker Renewable Energy CorporationAnson, ME542 MWhSep 2024Dec 2024 Solar
Danbury Hospital Cogen PlantDanbury HospitalDanbury, CT28 GWhOct 2011Dec 2024 Natural Gas
DartmouthMass Solar, LLCDartmouth, MA8 GWhMar 2014Dec 2024 Solar
Dartmouth College Heating PlantDartmouth CollegeHanover, NH10 GWhDec 1969Apr 2025 Residual Fuel Oil
Dartmouth Farms SolarDartmouth Farms Solar, LLCDartmouth, MA4 GWhOct 2017Dec 2024 Solar
Dartmouth II SolarConsolidated Edison Development Inc.Dartmouth, MA3 GWhMay 2012Dec 2024 Solar
Dartmouth LandfillCleanCapital HoldingsDartmouth, MA2 GWhJan 2013Dec 2024 Solar
Dartmouth Power Associates LPMorris Energy Operations Company, LLCDartmouth, MA63 GWhFeb 1992Dec 2024 Natural Gas : 99.7%
Dartmouth SolarConsolidated Edison Development Inc.Dartmouth, MA2 GWhFeb 2011Dec 2024 Solar
DDR Shoppers WorldAltus Power America Management, LLCFramingham, MA2 GWhOct 2017Dec 2024 Solar
Deer Island Treatment PlantMassachusetts Wtr Rauth-Deer IWinthrop, MA35 GWhJul 1995Apr 2025 Other Biomass Gas : 80.9% Distillate Fuel Oil : 11.2% Water : 3.8% Wind : 2.4% Solar : 1.8%
Deer RipsBrookfield White Pine Hydro LLCAuburn, ME58 GWhDec 1902Dec 2024 Water
Deerfield 2Great River Hydro, LLCConway, MA29 GWhJul 1913Dec 2024 Water
Deerfield 3Great River Hydro, LLCBuckland, MA25 GWhJul 1912Dec 2024 Water
Deerfield 4Great River Hydro, LLCBuckland, MA20 GWhJul 1912Dec 2024 Water
Deerfield 5Great River Hydro, LLCFlorida, MA42 GWhSep 1974Dec 2024 Water
Deerfield CSG SolarMN8 Energy LLCDeerfield, MA6 GWhNov 2017Dec 2024 Solar
Deerfield Wind LLCAvangrid Power LLCSearsburg, VT93 GWhNov 2017Apr 2025 Wind
Dennis LandfillClean Focus Yield, LLCDennis, MA8 GWhAug 2014Dec 2024 Solar
Depot Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
Dept of Corrections NCCI WindDept of Corrections NCCI WindGardner, MA6 GWhOct 2013Apr 2025 Wind
Derby Fuel CellDerby Fuel Cell LLCDerby, CT106 GWhDec 2023Dec 2024 Natural Gas
Derby HydroMcCallum Enterprises I LPShelton, CT24 GWhDec 1988Dec 2024 Water
DevensAltus Power America Management, LLCShirley, MA5 GWhMay 2014Dec 2024 Solar
DG Crystal Spring CSGDG Crystal Spring LLCMattapoisett, MA7 GWhJun 2017Dec 2024 Solar
DG Dighton LLC CSGDG Dighton, LLCDighton, MA6 GWhJun 2017Dec 2023 Solar
DG Foxborough Elm CSGDG Foxborough Elm LLCFoxborough, MA4 GWhJul 2017Dec 2023 Solar
DG Haverhill CSGDG Haverhill LLCHaverhill, MA2 GWhAug 2017Dec 2024 Solar
DG Tufts Knoll LLC CSGDG Tufts Knoll, LLCNorth Grafton, MA3 GWhJul 2017Dec 2024 Solar
DG Tufts Science LLC CSGDG Tufts Science, LLCNorth Grafton, MA1 GWhJan 2017Dec 2024 Solar
DG Webster LLC CSGDG Webster, LLCWebster, MA2 GWhNov 2017Dec 2023 Solar
Dickinson Solar (CT)Ecos Energy LLCHampton, CT3 GWhMay 2020Dec 2024 Solar
Dighton Power PlantDighton Power, LLCDighton, MA358 GWhApr 1999Dec 2023 Natural Gas
Digital FairfieldBloom EnergyTrumbull, CT16 GWhMay 2018Jun 2024 Natural Gas

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator190.5 TWh2,051
#8Tennessee Valley Authority158.7 TWh204
#10Florida Power & Light Co.149.5 TWh187
#12New York Independent System Operator130.5 TWh1,191
#13Duke Energy Carolinas111.8 TWh565
#14ISO New England103.4 TWh1,561
#16Bonneville Power Administration81.4 TWh163
#17Duke Energy Progress East65.0 TWh558
#18Salt River Project Agricultural Improvement and Power District58.8 TWh48
#19PacifiCorp East57.6 TWh215