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 301 to 400 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Dartmouth SolarRWE Clean EnergyDartmouth, MA2 GWhFeb 2011Dec 2025 Solar
DDR Shoppers WorldAltus Power America Management, LLCFramingham, MA2 GWhOct 2017Dec 2025 Solar
Deer Island Treatment PlantMassachusetts Wtr Rauth-Deer IWinthrop, MA33 GWhJul 1995May 2026 Other Biomass Gas : 82.5% Distillate Fuel Oil : 13.1% Wind : 2.7% Solar : 1.8%
Deer RipsBrookfield White Pine Hydro LLCAuburn, ME51 GWhDec 1902Dec 2025 Water
Deerfield 2Great River Hydro, LLCConway, MA29 GWhJul 1913Dec 2025 Water
Deerfield 3Great River Hydro, LLCBuckland, MA26 GWhJul 1912Dec 2025 Water
Deerfield 4Great River Hydro, LLCBuckland, MA21 GWhJul 1912Dec 2025 Water
Deerfield 5Great River Hydro, LLCFlorida, MA44 GWhSep 1974Dec 2025 Water
Deerfield CSG SolarMN8 Energy LLCDeerfield, MA4 GWhNov 2017Dec 2025 Solar
Deerfield Wind LLCAvangrid Power LLCSearsburg, VT92 GWhNov 2017May 2026 Wind
Dennis LandfillClean Focus Yield, LLCDennis, MA8 GWhAug 2014Dec 2025 Solar
Depot Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2025 Solar
Dept of Corrections NCCI WindDept of Corrections NCCI WindGardner, MA2 GWhOct 2013May 2026 Wind
Derby Fuel CellDerby Fuel Cell LLCDerby, CT110 GWhDec 2023Dec 2025 Natural Gas
Derby HydroMcCallum Enterprises I LPShelton, CT23 GWhDec 1988Dec 2025 Water
DevensAltus Power America Management, LLCShirley, MA5 GWhMay 2014Dec 2025 Solar
Deweys MillGreen Mountain Power CorpWhite River Jct., VT2 GWhMay 1989Dec 2025 Water
DG Crystal Spring CSGDG Crystal Spring LLCMattapoisett, MA7 GWhJun 2017Dec 2025 Solar
DG Dighton LLC CSGDG Dighton, LLCDighton, MA5 GWhJun 2017Dec 2025 Solar
DG Foxborough Elm CSGDG Foxborough Elm LLCFoxborough, MA3 GWhJul 2017Dec 2025 Solar
DG Haverhill CSGDG Haverhill LLCHaverhill, MA7 GWhAug 2017Dec 2025 Solar
DG Tufts Knoll LLC CSGDG Tufts Knoll, LLCNorth Grafton, MA3 GWhJul 2017Dec 2025 Solar
DG Tufts Science LLC CSGDG Tufts Science, LLCNorth Grafton, MA1 GWhJan 2017Dec 2025 Solar
DG Webster LLC CSGDG Webster, LLCWebster, MA2 GWhNov 2017Dec 2025 Solar
Dickinson Solar (CT)Ecos Energy LLCHampton, CT2 GWhMay 2020Dec 2025 Solar
Dighton Power PlantDighton Power, LLCDighton, MA276 GWhApr 1999Dec 2025 Natural Gas
Dodge Falls AssociatesDodge Falls Associates LPBath, NH22 GWhNov 1990Dec 2025 Water
Dorchester Solar SiteMassachusetts Electric CoDorchester, MA2 GWhDec 2011Dec 2025 Solar
Douglas Pike Solar, LLCNavisun LLCBurrillville, RI3 GWhMay 2023Dec 2025 Solar
Douglas SolarRWE Clean EnergyDouglas, MA3 GWhNov 2012Dec 2025 Solar
Dover (MA)BWC Buckmaster Pond LLCDover, MA2 GWhJul 2017Dec 2024 Solar
Downeast WindDowneast Wind, LLCColumbia, ME364 GWhDec 2024May 2026 Wind
Downing Parkway SolarDowning Parkway Solar LLCPittsfield, MA3 GWhJun 2015Dec 2025 Solar
Dresser Hill CSGDresser Hill Solar, LLCSouthbridge, MA6 GWhDec 2020Dec 2025 Solar
Dry Bridge Solar (Brown University)MN8 Energy LLCNorth Kingstown, RI64 GWhOct 2023May 2026 Solar
DudleyAMP MA DudleyDudley, MA8 GWhJun 2018Dec 2025 Solar
Dudley Landfill Solar LLCDudley Landfill Solar LLCDudley, MA1 GWhApr 2025Dec 2025 Solar
Dudley River 2 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2025 Solar
Dudley River 3 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2025 Solar
Dudley River Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2025 Solar
Dudley Solar CSGDudley Solar, LLCDudley, MA3 GWhJul 2017Dec 2025 Solar
Dunstable Solar 1, LLCAES Distributed EnergyDunstable, MA8 GWhMar 2021Dec 2025 Solar
DusenberryAES Distributed EnergyTroy, NY7 GWhNov 2021Dec 2025 Solar
DwightCentral Rivers Power MA, LLCChicopee, MA6 GWhDec 1919Dec 2025 Water
DWW Solar llDWW Solar ll LLCSimsbury, CT46 GWhNov 2019May 2026 Solar
Dynamic Corinth (CSG)MN8 Energy LLCCorinth, ME10 GWhSep 2022Dec 2025 Solar
Dynamic Energy CT STAGMilford Pepes Farm Road Solar LLCMilford, CT2 GWhJul 2023Dec 2024 Solar
Dynamic - Enfield Hammett Road CSGAltus Power America Management, LLCEnfield, ME9 GWhAug 2024Dec 2025 Solar
Dynamic - Exeter Solar CSGAltus Power America Management, LLCExeter, ME6 GWhAug 2024Dec 2025 Solar
Dynamic - Glenburn Broadway One (CSG)Altus Power America Management, LLCGlenburn, ME6 GWhOct 2024Dec 2025 Solar
Dynamic - Gray SolarAltus Power America Management, LLCGray, ME5 GWhNov 2024Dec 2025 Solar
Dynamic - Leeds Solar (CSG)Nautilus Solar SolutionsLeeds, ME9 GWhOct 2024Dec 2025 Solar
Dynamic Madison (CSG)MN8 Energy LLCMadison, ME10 GWhJul 2022Dec 2025 Solar
Dynamic - Norridgewock Martin Stream (CSG)Nautilus Solar SolutionsNorridgewock, ME9 GWhOct 2024Dec 2025 Solar
Dynamic - Wales Leeds Junction Road (CSG)Altus Power America Management, LLCWales, ME7 GWhOct 2024Dec 2025 Solar
Dynamic - WalpoleAES Distributed EnergyWalpole, MA2 GWhMay 2017Dec 2025 Solar
East Acres Solar NG, LLCNuGen Capital ManagementPittsfield, MA5 GWhMar 2017Dec 2025 Solar
East BarnetGreen Mountain Power CorpBarnet, VT5 GWhAug 1984Dec 2025 Water
East Bridgewater SolarAltus Power America Management, LLCEast Bridgewater, MA3 GWhOct 2017Dec 2025 Solar
East Brookfield Main Street Solar LLC CSAES Distributed EnergyEast Brookfield, MA1 GWhNov 2020Dec 2025 Solar
East Longmeadow Solar PVNSTAR Electric CompanyEast Longmeadow, MA8 GWhSep 2019Dec 2025 Solar
East Springfield Solar PVNSTAR Electric CompanySpringfield, MA2 GWhSep 2018Dec 2025 Solar
East WindsorNJR Clean Energy Ventures CorporationEast Windsor, CT869 MWhAug 2025Dec 2025 Solar
East Windsor Solar OneDG Connecticut III, LLCEast Windsor, CT6 GWhNov 2021Sep 2025 Solar
East Windsor Solar TwoEast Windsor Solar Two, LLCEast Windsor, CT749 MWhAug 2025Dec 2025 Solar
Eastern Maine Medical CenterEastern Maine Medical CenterBangor, ME28 GWhSep 2006May 2026 Natural Gas
Easthampton CSGEasthampton Park Solar 1, LLCEasthampton, MA3 GWhAug 2020Dec 2025 Solar
Easthampton Landfill-City of EasthamptonCleanCapital HoldingsEasthampton, MA3 GWhMay 2012Dec 2025 Solar
Eastman FallsCentral Rivers Power NH, LLCFranklin, NH22 GWhJul 1937Dec 2025 Water
Easton CSG 1 LLCEaston CSG 1 LLCEaston, ME6 GWhJan 2024Dec 2025 Solar
Easton LandfillCleanCapital HoldingsEaston, MA3 GWhSep 2013Dec 2025 Solar
EBZ SolarCitizens Enterprises CorporationShirley, MA3 GWhDec 2012Dec 2025 Solar
EDF LancasterCleanCapital HoldingsLancaster, MA5 GWhJun 2014Dec 2025 Solar
EHC West HopkintonGreen Mountain Power CorpWest Hopkinton, NH1 GWhJun 1985Dec 2025 Water
Electric Avenue Lunenburg Solar 1Electric Avenue Lunenburg Solar 1, LLCLunenburg, MA2 GWhNov 2021Dec 2025 Solar
Elizabeth Mines Solar 1Elizabeth Mines Solar 1, LLCSo. Strafford, VT7 GWhOct 2017Dec 2025 Solar
Ellington - 277 Sadds MillOnyx Asset Services GroupEllington, CT4 GWhFeb 2024Dec 2025 Solar
Ellsworth Hydro StationBrookfield Black Bear Hydro, LLCEllsworth, ME18 GWhJun 1924Dec 2025 Water
Elm StreetISM Solar Dighton 3, LLCDighton, MA5 GWhNov 2020Dec 2025 Solar
Emerald Gardens PKI, LLCEmerald Gardens PKI, LLCShelton, CT2 GWhSep 2021Dec 2025 Solar
Emerald Marshfields, LLCEmerald Marshfield, LLCMarshfield, MA2 GWhNov 2022Dec 2025 Solar
Enfield Solar OneEnfield Solar One, LLCHartford, CT8 GWhMar 2024Dec 2025 Solar
ENGIE 2019 ProjectCo-MA1, LLCENGIE 2019 ProjectCo MA-1, LLCAgawam, MA5 GWhFeb 2021Jul 2025 Solar
Equinix - BillericaBloom EnergyBillerica, MA14 GWhAug 2021Dec 2025 Natural Gas
ER Bone Hill Solar, LLCAltus Power America Management, LLCNorthfield, VT2 GWhAug 2022Dec 2025 Solar
ER Center Road Solar, LLCAltus Power America Management, LLCHardwick, VT3 GWhApr 2022Dec 2025 Solar
ER Salvage YardAltus Power America Management, LLCMorrisville, VT3 GWhOct 2021Dec 2025 Solar
ER Sand HillAltus Power America Management, LLCCastleton, VT3 GWhOct 2022Dec 2025 Solar
Errol Hydroelectric ProjectErrol Hydroelectric Co LLCErrol, NH14 GWhOct 1986Dec 2025 Water
Erving CSGErving Poplar Mountain Solar 1, LLCErving, MA1 GWhAug 2020Dec 2025 Solar
Erving Paper MillsErving Paper Mills IncErving, MA42 GWhNov 2013May 2026 Natural Gas : 98.0% Distillate Fuel Oil : 2.0%
Essex Junction 19Green Mountain Power CorpEssex Junction, VT34 GWhDec 1916May 2026 Water : 98.8% Distillate Fuel Oil : 1.2%
Exelon Framingham LLCConstellation Power, IncFramingham, MA1 GWhAug 1969Dec 2025 Distillate Fuel Oil
Exelon Medway LLCConstellation Power, IncMedway, MA4 GWhJun 1970Dec 2025 Distillate Fuel Oil
Exelon West Medway II LLCConstellation Power, IncMedway, MA259 GWhFeb 2019May 2026 Natural Gas : 95.3% Kerosene : 4.7%
Exeter Mail CSGNautilus Solar SolutionsExeter, RI9 GWhDec 2024Dec 2025 Solar
Exeter Renewables 1AES Clean EnergyExeter, RI16 GWhNov 2024Dec 2025 Solar
Exeter Ten (CSG)Nautilus Solar SolutionsExeter, RI5 GWhNov 2024Dec 2025 Solar
Fairfax FallsGreen Mountain Power CorpFairfax, VT16 GWhJan 1919Dec 2025 Water
Fairfield PV - BD Solar Fairfield LLCBD Solar Fairfield LLCFairfield, ME9 GWhMay 2021Dec 2025 Solar

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