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 Jul 2025
Annual Generation 103.8 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 | 57.2% Nuclear | 24.5% 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

List of All ISO New England Power Plants

Displaying Results 301 to 400 of 1,270
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
10 Briggs Solar NG, LLC (East)NuGen Capital ManagementEast Greenwich, RI7 GWhMay 2021Dec 2024 Solar
CP East Hampton I & II SolarNJR Clean Energy Ventures CorporationEast Hampton, CT3 GWhJan 2021Dec 2024 Solar
Pratt & WhitneyUnited TechnologiesEast Hartford, CT104 GWhDec 1991Apr 2025 Natural Gas
Cellu TissueDunn Paper East Hartford, LLCEast Hartford, CT12 GWhApr 2009Apr 2025 Natural Gas
301 Chestnut Solar NGNuGen Capital ManagementEast Longmeadow, MA2 GWhMar 2017Dec 2024 Solar
East Longmeadow Solar PVNSTAR Electric CompanyEast Longmeadow, MA5 GWhSep 2019Dec 2024 Solar
Antares-GRE 314 East Lyme LLCMN8 Energy LLCEast Lyme, CT4 GWhMay 2014Apr 2025 Solar
Forbes Street SolarAltus Power America Management, LLCEast Providence, RI4 GWhNov 2013Dec 2024 Solar
Kearsarge East ProvidenceKearsarge East Providence LLCEast Providence, RI3 GWhNov 2020Dec 2024 Solar
Ryegate Associates, LLCRyegate Associates, LLCEast Ryegate, VT150 GWhAug 1992Dec 2024 Wood/Wood Waste Solids
WaterboroMadison Energy Investments LLCEast Waterboro, ME3 GWhJun 2023Dec 2024 Solar
East Windsor Solar OneDG Connecticut III, LLCEast Windsor, CT9 GWhNov 2021Dec 2024 Solar
Norcap NorthLSE Canes Venatici LLCEast Windsor, CT3 GWhNov 2017Dec 2024 Solar
Norcap SouthLSE Coma Berenices LLCEast Windsor, CT4 GWhNov 2017Dec 2024 Solar
Gravel Pit Solar, LLCGravel Pit Solar, LLCEast Windsor, CT20 GWh-Apr 2025 Solar
Bull Hill Wind ProjectEvergreen Wind, LLCEastbrook, ME74 GWhSep 2012Dec 2024 Wind
Easthampton Landfill-City of EasthamptonCleanCapital HoldingsEasthampton, MA3 GWhMay 2012Dec 2024 Solar
Easthampton CSGEasthampton Park Solar 1, LLCEasthampton, MA4 GWhAug 2020Dec 2024 Solar
Beacon Solar, LLCBeacon Solar, LLCEasthampton, MA4 GWhOct 2022Dec 2023 Solar
Easton CSG 1 LLCEaston CSG 1 LLCEaston, ME5 GWhJan 2024Dec 2024 Solar
Easton LandfillCleanCapital HoldingsEaston, MA2 GWhSep 2013Dec 2024 Solar
NunnepogClean Focus Yield, LLCEdgartown, MA2 GWhMay 2014Dec 2024 Solar
Katama FarmClean Focus Yield, LLCEdgartown, MA1 GWhMay 2014Dec 2024 Solar
Ellsworth Hydro StationBrookfield Black Bear Hydro, LLCEllsworth, ME22 GWhJun 1924Dec 2024 Water
BRNG Nicolin (CSG)Nautilus Solar SolutionsEllsworth, ME205 MWhNov 2024Dec 2024 Solar
Mariaville Road Elsworth Solar, LLCREA Investments, LLCEllsworth, ME3 GWhApr 2022Dec 2024 Solar
ME-EDFR-Phase I-EmbdenTower Solar Partners, LLCEmbden, ME8 GWhNov 2023Dec 2024 Solar
Cenergy - KigerLuminace Sunbeam Development Holdings, LLCEmbden, ME2 GWhNov 2023Dec 2024 Solar
Powder HillLSE Delphinus LLCEnfield, CT3 GWhNov 2020Dec 2023 Solar
Raffia Road Solar ProjectNJR Clean Energy Ventures CorporationEnfield, CT11 MWhNov 2024Dec 2024 Solar
Nutmeg SolarNutmeg Solar LLCEnfield, CT34 GWhNov 2020Dec 2024 Solar
Advance Stores Company, IncTesla Inc.Enfield, CT1 GWhOct 2014Dec 2024 Solar
Errol Hydroelectric ProjectErrol Hydroelectric Co LLCErrol, NH15 GWhOct 1986Dec 2024 Water
Erving CSGErving Poplar Mountain Solar 1, LLCErving, MA1 GWhAug 2020Dec 2024 Solar
Erving Paper MillsErving Paper Mills IncErving, MA43 GWhNov 2013Apr 2025 Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
French King Solar LLCFrench King Solar LLCErving, MA8 GWhOct 2022Dec 2024 Solar
Whitcomb Solar FarmERWR Whitcomb Farm Solar LLCEssex Junction, VT3 GWhSep 2014Dec 2024 Solar
Essex Junction 19Green Mountain Power CorpEssex Junction, VT37 GWhDec 1916Apr 2025 Water : 99.6%
GMP Solar/Storage-Essex HybridGreen Mountain Power CorpEssex, VT8 GWhAug 2019Apr 2025 Solar : 93.2% Electricity used for energy storage : 6.8%
Exeter Ten (CSG)Nautilus Solar SolutionsExeter, RI10 MWhNov 2024Dec 2024 Solar
Fairfax FallsGreen Mountain Power CorpFairfax, VT20 GWhJan 1919Dec 2024 Water
Fairfield University CHP PlantFairfield UniversityFairfield, CT26 GWhSep 2007Dec 2024 Natural Gas
Fairfield PV - BD Solar Fairfield LLCBD Solar Fairfield LLCFairfield, ME8 GWhMay 2021Dec 2024 Solar
Cenergy - Richards (CSG)Luminace Sunbeam Development Holdings, LLCFairfield, ME2 GWhSep 2023Dec 2024 Solar
Barefoot SolarMadison Energy Investments LLCFairfiled, ME7 GWhNov 2022Dec 2024 Solar
Fairhaven EFairhaven MA 1, LLCFairhaven, MA3 GWhJul 2021Dec 2024 Solar
Fairhaven MA 2Consolidated Edison Development Inc.Fairhaven, MA4 GWhAug 2021Dec 2024 Solar
Fairhaven C CSGMN8 Energy LLCFairhaven, MA3 GWhApr 2017Dec 2024 Solar
Fairhaven WindFairhaven Wind LLCFairhaven, MA4 GWhMar 2012Dec 2024 Wind
Fall River Solar CSGMN8 Energy LLCFall River, MA2 GWhJan 2013Dec 2024 Solar
Falls VillageFirstLight Power Resources Services LLCFalls Village, CT30 GWhDec 1913Dec 2024 Water
Falmouth Landfill SolarCitizens Enterprises CorporationFalmouth, MA5 GWhMar 2017Dec 2024 Solar
Blacksmith Road Solar 1Blacksmith Road Solar 1, LLCFalmouth, MA8 GWhNov 2021Dec 2023 Solar
Falmouth 2 SolarCitizens Enterprises CorporationFalmouth, MA3 GWhAug 2021Dec 2024 Solar
Farmingdale FA01Nautilus Solar SolutionsFarmingdale, ME8 GWhMay 2022Dec 2024 Solar
Farmington SolarFarmington Solar, LLCFarmington, ME134 GWhSep 2021Apr 2025 Solar
FarmingtonMadison Energy Investments LLCFarmington, ME6 GWhNov 2023Dec 2024 Solar
GMP Solar/Storage-Ferrisburgh HybridGreen Mountain Power CorpFerrisburgh, VT9 GWhAug 2019Apr 2025 Solar : 93.2% Electricity used for energy storage : 6.8%
Fishers Island 1Connecticut Mun Elec Engy CoopFisher's Island, NY151 MWhNov 2010Dec 2024 Distillate Fuel Oil
Ashby Solar, LLC CSGAshby Solar, LLCFitchburg, MA3 GWhJun 2018Dec 2024 Solar
Fitchburg RenewablesFitchburg Renewables, LLCFitchburg, MA6 GWhFeb 2020Dec 2024 Solar
Deerfield 5Great River Hydro, LLCFlorida, MA42 GWhSep 1974Dec 2024 Water
New England Wind LLCAvangrid Power LLCFlorida, MA73 GWhNov 2012Apr 2025 Wind
Fife BrookBear Swamp Power Company LLCFlorida, MA29 GWhSep 1974Oct 2024 Water
Fort FairfieldStandard SolarFort Fairfield, ME8 GWhJul 2023Dec 2024 Solar
CED FosterConsolidated Edison Development Inc.Foster, RI3 GWhNov 2017Apr 2025 Solar
One PatriotBloom EnergyFoxborough, MA16 GWhNov 2019Dec 2024 Natural Gas
DG Foxborough Elm CSGDG Foxborough Elm LLCFoxborough, MA4 GWhJul 2017Dec 2023 Solar
Town of Foxborough - Landfill (SREC II)Town of Foxborough - Landfill (SREC II)Foxborough, MA2 GWhJul 2017Dec 2024 Solar
DDR Shoppers WorldAltus Power America Management, LLCFramingham, MA2 GWhOct 2017Dec 2024 Solar
Framingham State University PlantFramingham State UniversityFramingham, MA74 MWhMay 1974Apr 2025 Solar : 67.6% Distillate Fuel Oil : 32.4%
Exelon Framingham LLCConstellation Power, IncFramingham, MA273 MWhAug 1969Dec 2024 Distillate Fuel Oil
Franklin 2CD US Solar MT 2 LLCFranklin, MA5 GWhNov 2013Dec 2024 Solar
126 Grove Solar LLCAltus Power America Management, LLCFranklin, MA2 GWhMay 2012Dec 2024 Solar
Kearsarge Upper UnionKearsarge Upper Union LLCFranklin, MA2 GWhFeb 2023Dec 2024 Solar
Eastman FallsCentral Rivers Power NH, LLCFranklin, NH24 GWhJul 1937Dec 2024 Water
Stevens Mills DamEagle Creek Renewable Energy, LLCFranklin, NH6 GWhMay 1982Dec 2024 Water
Fredonia Solar LLCGreenbacker Renewable Energy CorporationFredonia, NY2 GWhAug 2021Dec 2024 Solar
Beaver Ridge WindCPV Beaver Ridge Wind LLCFreedom, ME10 GWhOct 2008Dec 2024 Wind
Acushnet-Braley Road 1CleanCapital HoldingsFreetown, MA2 GWhDec 2012Dec 2024 Solar
Freetown SolarMass Solar, LLCFreetown, MA6 GWhFeb 2015Dec 2024 Solar
Washburn Road SolarREA Investments, LLCFreetown, MA3 GWhNov 2018Dec 2024 Solar
Syncarpha FreetownMarie's Way Solar I, LLCFreetown, MA6 GWhOct 2016Dec 2024 Solar
Bullock Road Solar 1Bullock Road Solar 1, LLCFreetown, MA4 GWhJun 2018Dec 2024 Solar
Braley Road 2Mass Solar, LLCFreetown, MA2 GWhFeb 2015Dec 2024 Solar
Freetown MA 1, LLCNavisun LLCFreetown, MA1 GWhNov 2022Dec 2023 Solar
Skyway Avenue Solar FarmREA Investments, LLCFrenchville, ME1 GWhFeb 2024Oct 2024 Solar
FryeburgNautilus Solar SolutionsFryeburg, ME9 GWhApr 2023Dec 2024 Solar
Market Street Gardiner Solar, LLCREA Investments, LLCGardiner, ME6 GWhJun 2022Dec 2024 Solar
GardinerKEI (Maine) Power Management (III) LLCGardiner, ME4 GWhJun 1985Dec 2024 Water
Gardner - Otter River RoadOtter River Road Solar LLCGardner, MA4 GWhSep 2019Dec 2024 Solar
Mt Wachusett Community CollegeMt Wachusett Community CollegeGardner, MA5 GWhFeb 2011Apr 2025 Wind
West Street Solar 1 LLCAES Distributed EnergyGardner, MA9 GWhNov 2019Dec 2024 Solar
Dept of Corrections NCCI WindDept of Corrections NCCI WindGardner, MA6 GWhOct 2013Apr 2025 Wind
Gardner Solar 1Gardner Solar 1, LLCGardner, MA3 GWhApr 2014Dec 2024 Solar
Clark Road Solar 1, LLCClark Road Solar 1, LLCGardner, MA8 GWhNov 2020Dec 2023 Solar
Saint Albans SolarCypress Creek RenewablesGeorgia, VT8 GWhSep 2018Dec 2024 Solar
Kearsarge GillKearsarge Gill LLCGill, MA3 GWhDec 2017Dec 2024 Solar
Gilman MillAmpersand Gilman Hydro LPGilman, VT4 GWhDec 1940Dec 2024 Water
UDR Glastonbury Fuel CellUIL Distributed Resources, LLCGlastonbury, CT18 GWhJan 2016Dec 2024 Natural Gas

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator190.4 TWh2,051
#8Tennessee Valley Authority158.5 TWh204
#10Florida Power & Light Co.149.2 TWh187
#12New York Independent System Operator130.9 TWh1,191
#13Duke Energy Carolinas111.9 TWh565
#14ISO New England103.8 TWh1,561
#16Bonneville Power Administration81.2 TWh163
#17Duke Energy Progress East65.1 TWh558
#18Salt River Project Agricultural Improvement and Power District58.9 TWh48
#19PacifiCorp East57.8 TWh215