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
MA-Dighton-AMA CS Dighton, LLCDighton, MA6 GWhMay 2024Dec 2025 Solar
UMass BostonMSS Energy Holdings, LLC (d.b.a. Calibrant Energy)Dorchester, MA1 GWhDec 1971Dec 2025 Solar
Dorchester Solar SiteMassachusetts Electric CoDorchester, MA2 GWhDec 2011Dec 2025 Solar
Douglas SolarRWE Clean EnergyDouglas, MA3 GWhNov 2012Dec 2025 Solar
Bellingham PVTerraform ArcadiaDouglas, MA4 GWhSep 2013Dec 2025 Solar
ASD Wallum MA Solar LLC(CSG)ASD Wallum MA Solar LLCDouglas, MA9 GWhDec 2021Dec 2024 Solar
Dover (MA)BWC Buckmaster Pond LLCDover, MA2 GWhJul 2017Dec 2024 Solar
DudleyAMP MA DudleyDudley, MA8 GWhJun 2018Dec 2025 Solar
Dudley Landfill Solar LLCDudley Landfill Solar LLCDudley, MA1 GWhApr 2025Dec 2025 Solar
Farley Road Community SolarFarley Road Solar, LLCDudley, MA2 GWhJul 2017Dec 2025 Solar
Dudley Solar CSGDudley Solar, LLCDudley, MA3 GWhJul 2017Dec 2025 Solar
Granite Reliable PowerNexteraEnergyDummer, NH192 GWhJan 2012May 2026 Wind
Pontook Hydro FacilityPontook Operating LPDummer, NH51 GWhNov 1986Dec 2025 Water
Dunstable Solar 1, LLCAES Distributed EnergyDunstable, MA8 GWhMar 2021Dec 2025 Solar
UNH 7.9 MW PlantEmcor Energy ServicesDurham, NH53 GWhAug 2006May 2026 Landfill Gas : 55.5% Natural Gas : 42.0% Distillate Fuel Oil : 2.5%
Bolton FallsGreen Mountain Power CorpDuxbury, VT6 GWhOct 1986Dec 2025 Water
Notus Wind 1Notus Clean Energy LLCE. Falmouth, MA5 GWhJun 2010Dec 2025 Wind
Town of East Bridgewater CSGTesla Inc.East Bridgewater, MA1 GWhMay 2013Dec 2025 Solar
East Bridgewater SolarAltus Power America Management, LLCEast Bridgewater, MA3 GWhOct 2017Dec 2025 Solar
Vuelta SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2025 Solar
Old Wardour SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2025 Solar
East Brookfield Main Street Solar LLC CSAES Distributed EnergyEast Brookfield, MA1 GWhNov 2020Dec 2025 Solar
10 Briggs Solar NG, LLC (East)NuGen Capital ManagementEast Greenwich, RI8 GWhMay 2021Dec 2025 Solar
CP East Hampton I & II SolarNJR Clean Energy Ventures CorporationEast Hampton, CT3 GWhJan 2021Dec 2024 Solar
Cellu TissueDunn Paper East Hartford, LLCEast Hartford, CT12 GWhApr 2009May 2026 Natural Gas
Pratt & WhitneyUnited TechnologiesEast Hartford, CT76 GWhDec 1991May 2026 Natural Gas
East Longmeadow Solar PVNSTAR Electric CompanyEast Longmeadow, MA8 GWhSep 2019Dec 2025 Solar
301 Chestnut Solar NGNuGen Capital ManagementEast Longmeadow, MA2 GWhMar 2017Dec 2025 Solar
Stanley Black & DeckerOnyx Asset Services GroupEast Longmeadow, MA6 MWhNov 2025Dec 2025 Solar
Antares-GRE 314 East Lyme LLCMN8 Energy LLCEast Lyme, CT4 GWhMay 2014May 2026 Solar
Forbes Street SolarAltus Power America Management, LLCEast Providence, RI4 GWhNov 2013Dec 2025 Solar
Kearsarge East ProvidenceKearsarge East Providence LLCEast Providence, RI4 GWhNov 2020Dec 2025 Solar
Ryegate Associates, LLCRyegate Associates, LLCEast Ryegate, VT158 GWhAug 1992Dec 2025 Wood/Wood Waste Solids
WaterboroMadison Energy Investments LLCEast Waterboro, ME3 GWhJun 2023Dec 2024 Solar
Gravel Pit Solar, LLCGravel Pit Solar, LLCEast Windsor, CT187 GWhJan 2025May 2026 Solar
Norcap SouthLSE Coma Berenices LLCEast Windsor, CT4 GWhNov 2017Dec 2025 Solar
East Windsor Solar TwoEast Windsor Solar Two, LLCEast Windsor, CT749 MWhAug 2025Dec 2025 Solar
East Windsor Solar OneDG Connecticut III, LLCEast Windsor, CT6 GWhNov 2021Sep 2025 Solar
East WindsorNJR Clean Energy Ventures CorporationEast Windsor, CT869 MWhAug 2025Dec 2025 Solar
Norcap NorthLSE Canes Venatici LLCEast Windsor, CT3 GWhNov 2017Dec 2024 Solar
Bull Hill Wind ProjectEvergreen Wind, LLCEastbrook, ME66 GWhSep 2012Dec 2025 Wind
Easthampton Landfill-City of EasthamptonCleanCapital HoldingsEasthampton, MA3 GWhMay 2012Dec 2025 Solar
Easthampton CSGEasthampton Park Solar 1, LLCEasthampton, MA3 GWhAug 2020Dec 2025 Solar
Beacon Solar, LLCAgilitas Energy, Inc.Easthampton, MA8 GWhOct 2022Dec 2025 Solar
Easton CSG 1 LLCEaston CSG 1 LLCEaston, ME6 GWhJan 2024Dec 2025 Solar
Easton LandfillCleanCapital HoldingsEaston, MA3 GWhSep 2013Dec 2025 Solar
Katama FarmClean Focus Yield, LLCEdgartown, MA2 GWhMay 2014Dec 2025 Solar
NunnepogClean Focus Yield, LLCEdgartown, MA2 GWhMay 2014Dec 2025 Solar
Vineyard Wind 1Vineyard Wind 1 LLCEdgartown, MA363 GWh-May 2026 Wind
Ellington - 277 Sadds MillOnyx Asset Services GroupEllington, CT4 GWhFeb 2024Dec 2025 Solar
Mariaville Road Elsworth Solar, LLCREA Investments, LLCEllsworth, ME1 GWhApr 2022Dec 2025 Solar
BRNG Nicolin (CSG)Nautilus Solar SolutionsEllsworth, ME6 GWhNov 2024Dec 2025 Solar
Ellsworth Hydro StationBrookfield Black Bear Hydro, LLCEllsworth, ME18 GWhJun 1924Dec 2025 Water
Cenergy - KigerLuminace Sunbeam Development Holdings, LLCEmbden, ME2 GWhNov 2023Dec 2025 Solar
ME-EDFR-Phase I-EmbdenTower Solar Partners, LLCEmbden, ME8 GWhNov 2023Dec 2025 Solar
Powder HillLSE Delphinus LLCEnfield, CT3 GWhNov 2020Dec 2024 Solar
Nutmeg SolarNutmeg Solar LLCEnfield, CT35 GWhNov 2020Dec 2025 Solar
Raffia Road Solar ProjectNJR Clean Energy Ventures CorporationEnfield, CT7 GWhNov 2024Dec 2025 Solar
Advance Stores Company, IncTesla Inc.Enfield, CT1 GWhOct 2014Mar 2025 Solar
Dynamic - Enfield Hammett Road CSGAltus Power America Management, LLCEnfield, ME9 GWhAug 2024Dec 2025 Solar
Errol Hydroelectric ProjectErrol Hydroelectric Co LLCErrol, NH14 GWhOct 1986Dec 2025 Water
Erving Paper MillsErving Paper Mills IncErving, MA42 GWhNov 2013May 2026 Natural Gas : 98.0% Distillate Fuel Oil : 2.0%
French King Solar LLCFrench King Solar LLCErving, MA8 GWhOct 2022Dec 2025 Solar
Erving CSGErving Poplar Mountain Solar 1, LLCErving, MA1 GWhAug 2020Dec 2025 Solar
Whitcomb Solar FarmERWR Whitcomb Farm Solar LLCEssex Junction, VT3 GWhSep 2014Dec 2025 Solar
Essex Junction 19Green Mountain Power CorpEssex Junction, VT34 GWhDec 1916May 2026 Water : 98.8% Distillate Fuel Oil : 1.2%
GMP Solar/Storage-Essex HybridGreen Mountain Power CorpEssex, VT7 GWhAug 2019May 2026 Solar
Dynamic - Exeter Solar CSGAltus Power America Management, LLCExeter, ME6 GWhAug 2024Dec 2025 Solar
Exeter Renewables 1AES Clean EnergyExeter, RI16 GWhNov 2024Dec 2025 Solar
Exeter Mail CSGNautilus Solar SolutionsExeter, RI9 GWhDec 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 University CHP PlantFairfield UniversityFairfield, CT23 GWhSep 2007Dec 2025 Natural Gas
Cenergy - Richards (CSG)Luminace Sunbeam Development Holdings, LLCFairfield, ME2 GWhSep 2023Dec 2025 Solar
Fairfield PV - BD Solar Fairfield LLCBD Solar Fairfield LLCFairfield, ME9 GWhMay 2021Dec 2025 Solar
Barefoot SolarMadison Energy Investments LLCFairfield, ME6 GWhNov 2022Dec 2025 Solar
Fairhaven EAgilitas Energy, Inc.Fairhaven, MA3 GWhJul 2021Dec 2025 Solar
Fairhaven MA 2RWE Clean EnergyFairhaven, MA4 GWhAug 2021Dec 2025 Solar
Fairhaven C CSGMN8 Energy LLCFairhaven, MA2 GWhApr 2017Dec 2025 Solar
Fairhaven WindFairhaven Wind LLCFairhaven, MA3 GWhMar 2012Dec 2025 Wind
Fall River Solar CSGMN8 Energy LLCFall River, MA2 GWhJan 2013Dec 2025 Solar
Falls VillageFirstLight Power Resources Services LLCFalls Village, CT26 GWhDec 1913Dec 2025 Water
Falmouth Landfill SolarCitizens Enterprises CorporationFalmouth, MA5 GWhMar 2017Dec 2025 Solar
Falmouth 2 SolarCitizens Enterprises CorporationFalmouth, MA3 GWhAug 2021Dec 2025 Solar
Blacksmith Road Solar 1Blacksmith Road Solar 1, LLCFalmouth, MA9 GWhNov 2021Dec 2025 Solar
Farmingdale FA01Nautilus Solar SolutionsFarmingdale, ME8 GWhMay 2022Dec 2025 Solar
FarmingtonMadison Energy Investments LLCFarmington, ME7 GWhNov 2023Dec 2025 Solar
Farmington SolarFarmington Solar, LLCFarmington, ME125 GWhSep 2021May 2026 Solar
GMP Solar/Storage-Ferrisburgh HybridGreen Mountain Power CorpFerrisburgh, VT8 GWhAug 2019May 2026 Solar
Fishers Island 1Connecticut Mun Elec Engy CoopFisher's Island, NY129 MWhNov 2010Dec 2025 Distillate Fuel Oil
Ashby Solar, LLC CSGAshby Solar, LLCFitchburg, MA3 GWhJun 2018Dec 2025 Solar
Fitchburg RenewablesFitchburg Renewables, LLCFitchburg, MA6 GWhFeb 2020Dec 2025 Solar
New England Wind LLCAvangrid Power LLCFlorida, MA73 GWhNov 2012May 2026 Wind
Deerfield 5Great River Hydro, LLCFlorida, MA44 GWhSep 1974Dec 2025 Water
Fort FairfieldStandard SolarFort Fairfield, ME8 GWhJul 2023Dec 2025 Solar
Houlton Road Solar Farm (CSG)REA Investments, LLCFort Fairfield, ME2 GWhNov 2024Dec 2025 Solar
CED FosterRWE Clean EnergyFoster, RI3 GWhNov 2017May 2026 Solar
DG Foxborough Elm CSGDG Foxborough Elm LLCFoxborough, MA3 GWhJul 2017Dec 2025 Solar
Town of Foxborough - Landfill (SREC II)Town of Foxborough - Landfill (SREC II)Foxborough, MA2 GWhJul 2017Dec 2025 Solar
One PatriotBloom EnergyFoxborough, MA17 GWhNov 2019Dec 2025 Natural Gas

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