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%

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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 1,001 to 1,100 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Dickinson Solar (CT)Ecos Energy LLCHampton, CT3 GWhMay 2020Dec 2024 Solar
DG Webster LLC CSGDG Webster, LLCWebster, MA2 GWhNov 2017Dec 2024 Solar
DG Tufts Science LLC CSGDG Tufts Science, LLCNorth Grafton, MA1 GWhJan 2017Dec 2024 Solar
DG Tufts Knoll LLC CSGDG Tufts Knoll, LLCNorth Grafton, MA3 GWhJul 2017Dec 2024 Solar
DG Haverhill CSGDG Haverhill LLCHaverhill, MA2 GWhAug 2017Dec 2024 Solar
DG Foxborough Elm CSGDG Foxborough Elm LLCFoxborough, MA3 GWhJul 2017Dec 2024 Solar
DG Dighton LLC CSGDG Dighton, LLCDighton, MA5 GWhJun 2017Dec 2024 Solar
DG Crystal Spring CSGDG Crystal Spring LLCMattapoisett, MA7 GWhJun 2017Dec 2024 Solar
DevensAltus Power America Management, LLCShirley, MA5 GWhMay 2014Dec 2024 Solar
Derby HydroMcCallum Enterprises I LPShelton, CT24 GWhDec 1988Dec 2024 Water
Derby Fuel CellDerby Fuel Cell LLCDerby, CT106 GWhDec 2023Dec 2024 Natural Gas
Dept of Corrections NCCI WindDept of Corrections NCCI WindGardner, MA6 GWhOct 2013Sep 2025 Wind
Depot Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
Dennis LandfillClean Focus Yield, LLCDennis, MA8 GWhAug 2014Dec 2024 Solar
Deerfield Wind LLCAvangrid Power LLCSearsburg, VT95 GWhNov 2017Sep 2025 Wind
Deerfield CSG SolarMN8 Energy LLCDeerfield, MA6 GWhNov 2017Dec 2024 Solar
Deerfield 5Great River Hydro, LLCFlorida, MA42 GWhSep 1974Dec 2024 Water
Deerfield 4Great River Hydro, LLCBuckland, MA20 GWhJul 1912Dec 2024 Water
Deerfield 3Great River Hydro, LLCBuckland, MA25 GWhJul 1912Dec 2024 Water
Deerfield 2Great River Hydro, LLCConway, MA29 GWhJul 1913Dec 2024 Water
Deer RipsBrookfield White Pine Hydro LLCAuburn, ME58 GWhDec 1902Dec 2024 Water
Deer Island Treatment PlantMassachusetts Wtr Rauth-Deer IWinthrop, MA33 GWhJul 1995Sep 2025 Other Biomass Gas : 83.9% Distillate Fuel Oil : 10.8% Wind : 2.6% Solar : 1.9% Water : 0.9%
DDR Shoppers WorldAltus Power America Management, LLCFramingham, MA2 GWhOct 2017Dec 2024 Solar
Dartmouth SolarConsolidated Edison Development Inc.Dartmouth, MA2 GWhFeb 2011Dec 2024 Solar
Dartmouth Power Associates LPMorris Energy Operations Company, LLCDartmouth, MA63 GWhFeb 1992Dec 2024 Natural Gas : 99.7%
Dartmouth LandfillCleanCapital HoldingsDartmouth, MA2 GWhJan 2013Dec 2024 Solar
Dartmouth II SolarConsolidated Edison Development Inc.Dartmouth, MA3 GWhMay 2012Dec 2024 Solar
Dartmouth Farms SolarDartmouth Farms Solar, LLCDartmouth, MA4 GWhOct 2017Dec 2024 Solar
Dartmouth College Heating PlantDartmouth CollegeHanover, NH10 GWhDec 1969Sep 2025 Residual Fuel Oil
DartmouthMass Solar, LLCDartmouth, MA8 GWhMar 2014Dec 2024 Solar
Danbury Hospital Cogen PlantDanbury HospitalDanbury, CT28 GWhOct 2011Dec 2024 Natural Gas
Dairy FarmGreenbacker Renewable Energy CorporationAnson, ME542 MWhSep 2024Dec 2024 Solar
Cycz Solar Project CSG HybridAES Distributed EnergySpencer, MA3 GWhMay 2020Dec 2024 Solar
CVEC Round 4 Brewster Captn Golf CourseFreemans Way Solar Project 2019, LLCBrewster, MA1 GWhFeb 2022Dec 2024 Solar
Curtis Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
Cronin Road Solar 1, LLC CSG HybridAES Distributed EnergyWarren, MA3 GWhMay 2020Dec 2024 Solar
Cream Street SolarCream Street Solar, LLCHyde Park, NY4 GWhNov 2020Dec 2024 Solar
Cranberry SolarGWE Cranberry Solar RT, LLCMiddleborough, MA1 GWhNov 2016Dec 2024 Solar
Cranberry Highway Solar LLCCranberry Highway Solar, LLCWareham, MA2 GWhFeb 2021Dec 2024 Solar
CPV Towantic Energy CenterCPV Towantic, LLCOxford, CT5 TWhApr 2018Sep 2025 Natural Gas
CP Middletown Solar II LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
CP Middletown Solar I LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
CP East Hampton I & II SolarNJR Clean Energy Ventures CorporationEast Hampton, CT3 GWhJan 2021Dec 2024 Solar
Coventry Photovoltaic, LLCCoventry Photovoltaic, LLCCoventry, VT2 GWhJul 2014Dec 2024 Solar
Coventry Clean Energy CorporationWashington Electric Coop - (VT)Coventry, VT49 GWhJun 2005Dec 2024 Landfill Gas
Covanta Southeastern Connecticut CompanyCovanta Southeastern Connecticut CompanyPreston, CT113 GWhNov 1991Sep 2025 Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.2% Distillate Fuel Oil : 1.7%
Covanta HaverhillOgden Projects Inc-HaverhillHaverhill, MA226 GWhApr 1989Sep 2025 Non-biogenic Municipal Solid Waste : 52.2% Biogenic Municipal Solid Waste : 42.7% Distillate Fuel Oil : 5.1%
Covanta Bristol EnergyCovanta Bristol IncBristol, CT108 GWhNov 1987Sep 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Cottage Street Solar FacilityWestern Massachusetts Electric CompanySpringfield, MA4 GWhApr 2014Sep 2025 Solar
Cosgrove Intake and Power StationMassachusetts Water Res AuthClinton, MA738 MWhDec 1968Dec 2024 Water
Cos CobConnecticut Jet Power LLCGreenwich, CT676 MWhAug 1969Dec 2024 Kerosene
Corkwood Solar (CSG)NextGrid Corkwood, LLCHowland, ME5 GWhOct 2023Dec 2024 Solar
CoreSite - SomervilleBloom EnergySomerville, MA5 GWhAug 2020Dec 2024 Natural Gas
Corbin Russwin Phase 3 BerlinPowerflexBerlin, CT2 GWhMar 2018Dec 2024 Solar
Coolidge Solar 1, LLCCoolidge Solar I, LLCLudlow, VT24 GWhNov 2018Sep 2025 Solar
Connecticut CollegeBloom EnergyNew London, CT9 GWhAug 2019Dec 2024 Natural Gas
Conn Mun Electric Energy CoopTesla Inc.Norwich, CT1 GWhNov 2016Dec 2024 Solar
Concord Solar FarmKearsarge Solar LLCConcord, MA2 GWhMar 2014Dec 2024 Solar
ComerfordGreat River Hydro, LLCMonroe, NH400 GWhAug 1930Dec 2024 Water
Collins FacilityRelevate Power Management LLCWilbraham, MA7 GWhFeb 1985Dec 2023 Water
Cold River Road SolarAEP Onsite Partners, LLCNorth Clarendon, VT3 GWhNov 2016Dec 2024 Solar
Colchester 16Green Mountain Power CorpColchester, VT279 MWhSep 1965Dec 2024 Distillate Fuel Oil
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhSep 2017Dec 2024 Solar
Cobble MountainCity of Holyoke Gas and Electric Dept.Granville, MA8 GWhDec 1929Dec 2024 Water
CMEEC - Rogers Rd SolarTesla Inc.Norwich, CT875 MWhJan 2017Dec 2024 Solar
CMEEC - Polaris Park Solar HybridTesla Inc.Gordon, CT5 GWhJul 2017Dec 2024 Solar
CMEEC - Norwich Stott St Solar HybridTesla Inc.Norwich, CT4 GWhNov 2016Dec 2024 Solar
CMEEC - Navy NE TridentTesla Inc.Groton, CT1 GWhMay 2017Dec 2024 Solar
CMEEC - BozrahTesla Inc.Bozrah, CT3 GWhNov 2016Dec 2024 Solar
Clinton SolarEcos Energy LLCGriswold, CT2 GWhApr 2021Dec 2024 Solar
Clemons Road SolarRPNY Solar 4, LLCMinoa, NY1 GWhJun 2024Dec 2024 Solar
Clement Dam Hydro LLCEagle Creek Renewable Energy, LLCTilton, NH9 GWhNov 1984Dec 2024 Water
Cleary Flood HybridCity of TauntonTaunton, MA133 GWhMay 1966Dec 2024 Natural Gas : 99.8%
Clark UniversityClark UniversityWorcester, MA4 GWhDec 2012Dec 2024 Natural Gas
Clark Road Solar 1, LLCClark Road Solar 1, LLCGardner, MA9 GWhNov 2020Dec 2024 Solar
Clark FallsGreen Mountain Power CorpMilton, VT17 GWhJan 1937Dec 2024 Water
Clarendon Solar FarmClarendon Solar Farm, LLCNorth Clarendon, VT3 GWhJun 2014Dec 2024 Solar
Claire Solar FarmClaire Solar Partners LLCSouth Burlington, VT4 GWhJun 2014Dec 2024 Solar
Citizens Agawam Landfill SolarCitizens Enterprises CorporationAgawam, MA3 GWhMar 2017Dec 2024 Solar
Church Hill Road Augusta Solar, LLCREA Investments, LLCAugusta, ME6 GWhJan 2022Dec 2024 Solar
Chittenden County Solar PartnersChittenden County Solar Partners LLCSouth Burlington, VT3 GWhApr 2011Dec 2024 Solar
China Mill HydroNew Hampshire Hydro AssociatesAllenstown, NH3 GWhJun 1981Dec 2024 Water
Chicopee SolarCitizens Enterprises CorporationChicopee, MA5 GWhNov 2013Dec 2024 Solar
Chicopee River SolarCitizens Enterprises CorporationSpringfield, MA3 GWhDec 2014Dec 2024 Solar
Chicopee Granby Road SolarCitizens Enterprises CorporationChicopee, MA2 GWhDec 2014Dec 2024 Solar
ChicopeeCaptona Chicopee LLCChicopee, MA3 GWhMar 2017Dec 2024 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2024 Solar
Chester Power PartnersAltus Power America Management, LLCNorth Chester, VT3 GWhOct 2014Dec 2024 Solar
Cherry Valley Solar, LLC CSG38 Degrees North, LLCLeicester, MA2 GWhOct 2017Dec 2024 Solar
Cherry StreetTown of Hudson - (MA)Hudson, MA199 MWhApr 1951Dec 2024 Natural Gas : 64.2% Distillate Fuel Oil : 35.8%
ChemicalCity of Holyoke Gas and Electric Dept.Holyoke, MA5 GWhDec 1934Dec 2024 Water
Chatham LandfillClean Focus Yield, LLCChatham, MA2 GWhAug 2014Dec 2024 Solar
Charlton Solar I CSGCharlton Solar I, LLCCharlton, MA5 GWhNov 2014Dec 2024 Solar
Charlotte Solar LLC VTAltus Power America Management, LLCCharlotte, VT3 GWhJun 2014Dec 2024 Solar
Charlestown Wind TurbineMWRA CharlestownCharlestown, MA1 GWhSep 2011Dec 2024 Wind
Charles E MontyBrookfield White Pine Hydro LLCLewiston, ME141 GWhDec 1989Dec 2024 Water
Charlemont ACharlemont MA, LLCCharlemont, MA4 GWhAug 2021Nov 2024 Solar
Chace Mill Winooski OneCity of Burlington Electric - (VT)Winooski, VT29 GWhMar 1993Dec 2024 Water
CES Sterling LLCSunEdison LLCSterling, MA3 GWhJan 2013Dec 2024 Solar
CES Agawam Tuckahoe Solar HybridCES Agawam Tuckahoe Solar LLCAgawam, MA7 GWhNov 2021Dec 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