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 Nov 2025
Annual Generation 105.5 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 | 26% Water | 5% Other Fuel | 4.4% Wind | 4% Solar | 1.5% Coal | 0.4%

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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 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Charlemont ACharlemont MA, LLCCharlemont, MA4 GWhAug 2021Nov 2024 Solar
Charlestown Wind TurbineMWRA CharlestownCharlestown, MA1 GWhSep 2011Dec 2024 Wind
Mystic Generating StationConstellation Mystic Power LLCCharlestown, MA2 TWhMay 1969Mar 2024 Natural Gas
Charlotte Solar LLC VTAltus Power America Management, LLCCharlotte, VT3 GWhJun 2014Dec 2024 Solar
Millennium PowerMillennium Power Company, LLCCharlton, MA482 GWhMar 2001Sep 2025 Natural Gas
Charlton Solar I CSGCharlton Solar I, LLCCharlton, MA5 GWhNov 2014Dec 2024 Solar
Sampson Road Community SolarSampson Road Solar, LLCCharlton, MA3 GWhNov 2017Dec 2024 Solar
Griffin Road Solar, LLC CSGGriffin Road Solar, LLCCharlton, MA3 GWhFeb 2018Dec 2024 Solar
Curtis Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
Depot Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
St. Joseph's Solar, LLC CSG38 Degrees North, LLCCharlton, MA2 GWhNov 2017Dec 2024 Solar
McDougle-Mitchell Solar Project Hybrid CAES Distributed EnergyCharlton, MA7 GWhJul 2020Dec 2024 Solar
Lilly LaneLSE Chamaeleon LLCCharlton, MA2 GWhMay 2018Dec 2024 Solar
Griffin Road Solar 2Griffin Road Solar 2, LLCCharlton, MA2 GWhMay 2020Dec 2024 Solar
Sturbridge BarnLSE Ara LLCCharlton, MA2 GWhMay 2018Dec 2024 Solar
Partridge Hill Solar HybridAES Distributed EnergyCharlton, MA3 GWhJun 2020Dec 2024 Solar
Incom Solar, LLC CSG38 Degrees North, LLCCharlton, MA4 GWhOct 2017Dec 2024 Solar
Seaboard Charlton, LLCNavisun LLCCharlton, MA3 GWhNov 2020Dec 2024 Solar
Chatham LandfillClean Focus Yield, LLCChatham, MA2 GWhAug 2014Dec 2024 Solar
BWC Stony Brook, LLC HybridAES Distributed EnergyChelmsford, MA2 GWhJun 2021Dec 2024 Solar
Town HouseNautilus Solar SolutionsChelsea, ME8 GWhNov 2022Dec 2024 Solar
Signature Breads ChelseaJDC 65R Owner, LLCChelsea, MA2 MWhApr 2019Dec 2023 Distillate Fuel Oil
Harbor Road Solar 1Harbor Road Solar 1, LLCCheshire, MA3 GWhNov 2021Dec 2024 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2024 Solar
Chicopee Granby Road SolarCitizens Enterprises CorporationChicopee, MA2 GWhDec 2014Dec 2024 Solar
CED Chicopee SolarConsolidated Edison Development Inc.Chicopee, MA5 GWhJun 2017Dec 2024 Solar
Front StreetCity of Chicopee - (MA)Chicopee, MA497 MWhDec 1977Dec 2024 Distillate Fuel Oil
Chicopee SolarCitizens Enterprises CorporationChicopee, MA5 GWhNov 2013Dec 2024 Solar
Ameresco Chicopee EnergyAMERESCO Chicopee Energy LLCChicopee, MA9 GWhJan 2004Dec 2024 Landfill Gas
DwightCentral Rivers Power MA, LLCChicopee, MA6 GWhDec 1919Dec 2024 Water
ChicopeeCaptona Chicopee LLCChicopee, MA3 GWhMar 2017Dec 2024 Solar
Route 3 China Solar, LLCREA Investments, LLCChina, ME8 GWhNov 2022Dec 2024 Solar
Oakfield Wind ProjectOnward EnergyCity of Oakfield, ME367 GWhSep 2015Sep 2025 Wind
Lower Village Water Power ProjectSugar River Power LLCClaremont, NH4 GWhApr 1995Dec 2024 Water
Sugar Hill Solar 1Sugar Hill Solar 1, LLCClifton Park, NY8 GWhNov 2020Dec 2024 Solar
Silver MapleWEB Silver Maple Wind LLCClifton, ME59 GWhSep 2022Dec 2024 Wind
Pisgah Mountain WindPisgah Mountain, LLCClifton, ME25 GWhNov 2016Dec 2024 Wind
Cosgrove Intake and Power StationMassachusetts Water Res AuthClinton, MA738 MWhDec 1968Dec 2024 Water
Generate Colchester Fuel Cells, LLCGenerate Colchester Fuel Cells, LLCColchester, CT77 GWhSep 2021Dec 2024 Natural Gas
Colchester 16Green Mountain Power CorpColchester, VT279 MWhSep 1965Dec 2024 Distillate Fuel Oil
Wind Colebrook SouthWind Colebrook SouthColebrook, CT11 GWhOct 2015Sep 2025 Wind
Downeast WindDowneast Wind, LLCColumbia, ME145 GWh-Sep 2025 Wind
Kearsarge Concord IIKearsarge Concord II LLCConcord, MA7 GWhDec 2016Dec 2024 Solar
Concord Solar FarmKearsarge Solar LLCConcord, MA2 GWhMar 2014Dec 2024 Solar
Wheelabrator Concord FacilityWheelabrator Environmental SystemsConcord, NH95 GWhMar 1989Sep 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Deerfield 2Great River Hydro, LLCConway, MA29 GWhJul 1913Dec 2024 Water
Dynamic Corinth (CSG)MN8 Energy LLCCorinth, ME9 GWhSep 2022Dec 2024 Solar
WED Coventry Seven, LLCWED Coventry Seven, LLCCoventry, RI5 GWhNov 2020Dec 2024 Solar
WED Coventry 5Greenbacker Renewable Energy CorporationCoventry, RI3 GWhFeb 2017Dec 2024 Wind
WED Coventry 1WED Coventry One, LLCCoventry, RI2 GWhSep 2016Dec 2024 Wind
WED Coventry 2WED Coventry Two, LLCCoventry, RI10 GWhJul 2016Sep 2025 Wind
WED Coventry 4WED Coventry Four, LLCCoventry, RI2 GWhJul 2016Dec 2024 Wind
WED Coventry 6Greenbacker Renewable Energy CorporationCoventry, RI8 GWhJul 2016Sep 2025 Wind
WED Coventry 3WED Coventry Three, LLCCoventry, RI2 GWhJul 2016Dec 2024 Wind
Coventry Photovoltaic, LLCCoventry Photovoltaic, LLCCoventry, VT2 GWhJul 2014Dec 2024 Solar
Coventry Clean Energy CorporationWashington Electric Coop - (VT)Coventry, VT49 GWhJun 2005Dec 2024 Landfill Gas
Gold Meadow FarmsCaptona Lippitt Ave Cranston LLCCranston, RI28 GWhApr 2019Dec 2024 Solar
ISM Solar Cranston CSGNautilus Solar SolutionsCranston, RI4 GWhNov 2020Dec 2024 Solar
GD Johnson Scituate I, LLCGD Johnson Scituate I, LLCCranston, RI6 GWhNov 2021Dec 2024 Solar
Central Power PlantState of Rhode IslandCranston, RI19 GWhJul 1958Sep 2025 Natural Gas : 98.5% Distillate Fuel Oil : 1.5%
Hope Farm Solar, LLCAdapture Renewables, Inc.Cranston, RI16 GWhAug 2019Dec 2024 Solar
Arctaris Saddleback SolarArctaris Saddleback Solar, LLCDallas Plantation, ME5 GWhOct 2023Dec 2024 Solar
Danbury Hospital Cogen PlantDanbury HospitalDanbury, CT28 GWhOct 2011Dec 2024 Natural Gas
Stetson Wind IEvergreen Wind, LLCDanforth, ME121 GWhDec 2008Dec 2024 Wind
Stetson Wind IIEvergreen Wind, LLCDanforth, ME50 GWhFeb 2010Dec 2024 Wind
West Danville 15Green Mountain Power CorpDanville, VT3 GWhDec 1916Dec 2024 Water
Acushnet Hawes Reed RoadCleanCapital HoldingsDartmouth, MA2 GWhJun 2012Dec 2024 Solar
Acushnet- High HillCleanCapital HoldingsDartmouth, MA3 GWhFeb 2013Dec 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 SolarConsolidated Edison Development Inc.Dartmouth, MA2 GWhFeb 2011Dec 2024 Solar
Dartmouth II SolarConsolidated Edison Development Inc.Dartmouth, MA3 GWhMay 2012Dec 2024 Solar
Fisher Road SolarFisher Road Solar I, LLCDartmouth, MA8 GWhApr 2015Dec 2024 Solar
DartmouthMass Solar, LLCDartmouth, MA8 GWhMar 2014Dec 2024 Solar
Dartmouth Farms SolarDartmouth Farms Solar, LLCDartmouth, MA4 GWhOct 2017Dec 2024 Solar
Faunce Corner Community SolarFaunce Corner Road Dartmouth Solar 1, LLCDartmouth, MA2 GWhJun 2022Dec 2024 Solar
VenturaVentura Drive Dartmouth Solar 1, LLCDartmouth, MA2 GWhMay 2022Oct 2024 Solar
SkeltonBrookfield White Pine Hydro LLCDayton, ME58 GWhDec 1947Dec 2024 Water
Frito Lay IncorporatedFrito Lay Incorporated DayvilleDayville, CT24 GWhFeb 2009Sep 2025 Natural Gas
Lake Road Generating PlantLake Road Generating Co LPDayville, CT6 TWhFeb 2002Sep 2025 Natural Gas
Deerfield CSG SolarMN8 Energy LLCDeerfield, MA6 GWhNov 2017Dec 2024 Solar
Dennis LandfillClean Focus Yield, LLCDennis, MA8 GWhAug 2014Dec 2024 Solar
Derby Fuel CellDerby Fuel Cell LLCDerby, CT106 GWhDec 2023Dec 2024 Natural Gas
MDFA Devens-SaratogaTerraform ArcadiaDevens, MA3 GWhFeb 2016Dec 2024 Solar
DG Dighton LLC CSGDG Dighton, LLCDighton, MA5 GWhJun 2017Dec 2024 Solar
Dighton Power PlantDighton Power, LLCDighton, MA531 GWhApr 1999Dec 2024 Natural Gas
Elm StreetISM Solar Dighton 3, LLCDighton, MA5 GWhNov 2020Dec 2024 Solar
MA-Dighton-AMA CS Dighton, LLCDighton, MA2 GWhMay 2024Dec 2024 Solar
ISM Solar Dighton 2, LLC CSG38 Degrees North, LLCDighton, MA4 GWhNov 2017Dec 2024 Solar
UMass BostonMSS Energy Holdings, LLC (d.b.a. Calibrant Energy)Dorchester, MA1 GWhDec 1971Dec 2024 Solar
Dorchester Solar SiteMassachusetts Electric CoDorchester, MA2 GWhDec 2011Dec 2024 Solar
Douglas SolarConsolidated Edison Development Inc.Douglas, MA3 GWhNov 2012Dec 2024 Solar
Bellingham PVTerraform ArcadiaDouglas, MA4 GWhSep 2013Dec 2024 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, MA4 GWhJun 2018Dec 2024 Solar
Farley Road Community SolarFarley Road Solar, LLCDudley, MA2 GWhJul 2017Dec 2024 Solar
Dudley Solar CSGDudley Solar, LLCDudley, MA3 GWhJul 2017Dec 2024 Solar
Granite Reliable PowerNexteraEnergyDummer, NH195 GWhJan 2012Sep 2025 Wind
Pontook Hydro FacilityPontook Operating LPDummer, NH62 GWhNov 1986Dec 2024 Water

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England105.5 TWh1,577
#16Bonneville Power Administration80.5 TWh163
#17Duke Energy Progress East64.3 TWh559
#18PacifiCorp East61.1 TWh216
#19Salt River Project Agricultural Improvement and Power District60.0 TWh48