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 501 to 600 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Bradford SolarBradford Solar, LLCHaverhill, MA8 GWhMar 2017Dec 2024 Solar
Williamsburg Solar LLC VNEM CSGTesla Inc.Haydenville, MA3 GWhJan 2016Dec 2024 Solar
Highgate FallsVillage of Swanton - (VT)Highgate, VT47 GWhJul 1923Dec 2024 Water
Hillsborough HosierySilverstreet HydroHillsboro, NH2 GWhNov 1989Dec 2024 Water
JackmanCentral Rivers Power NH, LLCHillsborough, NH9 GWhJan 1926Dec 2024 Water
VEC Magee Hill SolarSoCore Energy LLCHinesburgh, VT2 GWhOct 2017Dec 2024 Solar
Hinsdale Solar PVNSTAR Electric CompanyHinsdale, MA3 GWhDec 2018Dec 2024 Solar
HiramBrookfield White Pine Hydro LLCHiram, ME40 GWhDec 1916Dec 2024 Water
Bonny EagleBrookfield White Pine Hydro LLCHollis, ME33 GWhDec 1909Dec 2024 Water
Bourne (MA) - Holliston INVT LICENSES, LLCHolliston, MA4 GWhNov 2014Dec 2024 Solar
Holliston Solar CSGMN8 Energy LLCHolliston, MA1 GWhJun 2015Dec 2024 Solar
Holliston LLCGreenbacker Renewable Energy CorporationHolliston, MA2 GWhSep 2020Dec 2024 Solar
Mt. Tom Solar Project HybridMt. Tom Solar, LLCHolyoke, MA4 GWhDec 2016Dec 2024 Solar
Holyoke Solar Cooperative at MuellerHolyoke Solar LLCHolyoke, MA4 GWhNov 2011Dec 2024 Solar
BoatlockCity of Holyoke Gas and Electric Dept.Holyoke, MA19 GWhDec 1920Dec 2024 Water
ChemicalCity of Holyoke Gas and Electric Dept.Holyoke, MA5 GWhDec 1934Dec 2024 Water
Riverside HolyokeCity of Holyoke Gas and Electric Dept.Holyoke, MA38 GWhDec 1905Dec 2024 Water
Cabot HolyokeCity of Holyoke Gas and Electric Dept.Holyoke, MA4 GWhDec 1892Dec 2024 Water
Hadley FallsCity of Holyoke Gas and Electric Dept.Holyoke, MA151 GWhDec 1951Dec 2024 Water
HooksettCentral Rivers Power NH, LLCHooksett, NH5 GWhJul 1927Dec 2024 Water
Hopkinton CSGAltus Power America Management, LLCHopkinton, MA3 GWhMar 2019Dec 2024 Solar
GD Hopkinton Main I, LLCGD Hopkinton Main I, LLCHopkinton, RI16 GWhOct 2020Dec 2024 Solar
Corkwood Solar (CSG)NextGrid Corkwood, LLCHowland, ME5 GWhOct 2023Dec 2024 Solar
Williamsville Hybrid CSG147 Williamsville Solar 1, LLCHubbardston, MA9 GWhAug 2021Dec 2024 Solar
KS Solar Six LLCKearsarge Solar LLCHubbardston, MA3 GWhNov 2013Dec 2024 Solar
Cherry StreetTown of Hudson - (MA)Hudson, MA199 MWhApr 1951Dec 2024 Natural Gas : 64.2% Distillate Fuel Oil : 35.8%
HudsonCaptona Hudson LLCHudson, MA6 GWhApr 2017Dec 2024 Solar
Cream Street SolarCream Street Solar, LLCHyde Park, NY4 GWhNov 2020Dec 2024 Solar
W K SandersVillage of Morrisville - (VT)Hyde Park, VT548 MWhJun 1983Dec 2024 Water
Indian OrchardCentral Rivers Power MA, LLCIndian Orchard, MA6 GWhDec 1927Dec 2024 Water
MasspowerMasspowerIndian Orchard, MA476 GWhJun 1993Dec 2024 Natural Gas
High Street StationTown of Ipswich - (MA)Ipswich, MA197 MWhMay 1937Dec 2024 Natural Gas : 91.9% Distillate Fuel Oil : 8.1%
Ipswich Wind TurbineTown of Ipswich - (MA)Ipswich, MA2 GWhApr 2011Dec 2024 Wind
Ball Mountain HydroEagle Creek Renewable Energy, LLCJamaica, VT61 MWhMar 2016Dec 2024 Water
International Paper Jay HydroEagle Creek Renewable Energy, LLCJay, ME7 GWhDec 1911Dec 2024 Water
International Paper Riley HydroEagle Creek Renewable Energy, LLCJay, ME18 GWhNov 1981Dec 2024 Water
Jericho Landfill Solar FarmSoCore Energy LLCJerico, VT2 GWhDec 2020Dec 2024 Solar
Jericho Gravel Solar FarmSoCore Energy LLCJerico, VT2 GWhDec 2020Dec 2024 Solar
Jewett City 1Connecticut Mun Elec Engy CoopJewett City, CT205 MWhJan 2010Dec 2024 Distillate Fuel Oil
WED Shun III, LLCWED Shun III, LLCJohnston, RI7 GWhDec 2018Dec 2024 Wind
WED Shun II, LLCWED Shun II, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
Johnston LFG Turbine PlantRhode Island LFG GencoJohnston, RI149 GWhApr 2013Sep 2025 Landfill Gas
WED Shun I, LLCWED Shun I, LLCJohnston, RI8 GWhDec 2018Sep 2025 Wind
WED Plainfield, LLCWED Plainfield, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
Ridgewood Providence PowerRhode Island LFG GencoJohnston, RI1 GWhJul 2005Dec 2024 Landfill Gas
Orbit Energy RIAnaergiaJohnston, RI144 MWhJun 2017Dec 2024 Other Biomass Gas
Rhode Island State Energy CenterRISEC Operating ServicesJohnston, RI3 TWhSep 2002Sep 2025 Natural Gas
WED Plainfield III, LLCWED Plainfield III, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Green Hill, LLCWED Green Hill, LLCJohnston, RI7 GWhDec 2018Sep 2025 Wind
WED Plainfield II, LLCWED Plainfield II, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
A Street 2Captona A Street 2 Johnston LLCJohnston, RI3 GWhNov 2018Dec 2024 Solar
A Street 1Captona A Street 1 Johnston LLCJohnston, RI2 GWhNov 2018Dec 2024 Solar
Plainfield PikeCaptona Plainfield Pike Johnston LLCJohnston, RI4 GWhMay 2019Dec 2024 Solar
Pine HillAEP Onsite Partners, LLCJohnston, RI8 GWhJul 2020Dec 2024 Solar
Indeck Jonesboro Energy CenterStored Solar J&WEJonesboro, ME16 MWhNov 1987Jun 2025 Gaseous Propane : 66.7% Wood/Wood Waste Solids : 33.3%
Raboth - Marion DriveMadison Energy Holdings LLCKingston, MA5 GWhFeb 2021Dec 2024 Solar
Lakeville SolarC2 MA Lakeville, LLCLakeville, MA4 GWhNov 2018Dec 2024 Solar
NationwideNationwide Solar Energy LLCLancaster, MA5 GWhMay 2021Dec 2024 Solar
Brockelman Road Solar 2Brockelman Road Solar 2, LLCLancaster, MA2 GWhJul 2021Dec 2024 Solar
Amaterasu LLCAES Distributed EnergyLancaster, MA7 GWhMay 2021Dec 2024 Solar
ZPD-PT Solar Project 2017-038 Hybrid LLCAES Distributed EnergyLancaster, MA7 GWhMar 2021Dec 2024 Solar
BrockelmanIntegrys MA Solar, LLCLancaster, MA5 GWhOct 2013Dec 2024 Solar
EDF LancasterCleanCapital HoldingsLancaster, MA6 GWhJun 2014Dec 2024 Solar
Berkshire Wind Power ProjectMassachusetts Mun Wholes Electric CoLanesboro, MA39 GWhApr 2011Sep 2025 Wind
Skyline SolarSoCore Energy LLCLanesborough, MA7 GWhAug 2022Dec 2024 Solar
Saddleback SolarSoCore Energy LLCLanesborough, MA4 GWhAug 2022Dec 2024 Solar
Partridge SolarSoCore Energy LLCLanesborough, MA8 GWhAug 2022Dec 2024 Solar
Lawrence Hydroelectric AssociatesCentral Rivers Power US, LLCLawrence, MA65 GWhJun 1981Dec 2024 Water
Adams SolarEcos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
Jefferson Solar (CT)Ecos Energy LLCLebanon, CT2 GWhDec 2017Dec 2024 Solar
Hamilton SolarEcos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
Wilson Solar (CT)Ecos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
Franklin Solar (CT)Ecos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
Lebanon Pines 1 & 2Connecticut Mun Elec Engy CoopLebanon, CT471 MWhMar 2010Dec 2024 Distillate Fuel Oil
Lebanon CSG LLCDimension Energy LLCLebanon, ME64 MWhNov 2024Dec 2024 Solar
Stafford St 2 Community SolarStafford St Solar 2, LLCLecister, MA4 GWhApr 2018Dec 2024 Solar
Lee Site 31 SolarNSTAR Electric CompanyLee, MA2 GWhJul 2018Apr 2024 Solar
Dynamic - Leeds Solar (CSG)Nautilus Solar SolutionsLeeds, ME473 MWhOct 2024Dec 2024 Solar
Walden Solar Maine VWalden Solar Maine V LLCLeeds, ME76 MWhNov 2024Dec 2024 Solar
Boutillier Solar, LLC CSG38 Degrees North, LLCLeicester, MA5 GWhMar 2018Dec 2024 Solar
Syncarpha Leicester Hybrid CSGSyncarpha Leicester, LLCLeicester, MA5 GWhMay 2021Dec 2024 Solar
Cherry Valley Solar, LLC CSG38 Degrees North, LLCLeicester, MA2 GWhOct 2017Dec 2024 Solar
Leicester One MA Solar LLCCVI CleanCapital Solar 1 LLCLeicester, MA6 GWhDec 2014Dec 2024 Solar
Stafford St Solar 1 CSGStafford St Solar 1, LLCLeicester, MA4 GWhNov 2017Dec 2024 Solar
Stafford St Solar 3 CSGStafford St Solar 3, LLCLeicester, MA2 GWhNov 2017Dec 2024 Solar
Antanavica SolarCypress Creek RenewablesLeicester, MA1 GWhJul 2018Dec 2024 Solar
Lempster Wind LLCAvangrid Power LLCLempster, NH68 GWhNov 2008Sep 2025 Wind
LeominsterSyncarpha Massachusetts, LLCLeominster, MA3 GWhApr 2015Dec 2024 Solar
AIS Solar ProjectTerraform ArcadiaLeominster, MA3 GWhNov 2016Dec 2024 Solar
Gulf IslandBrookfield White Pine Hydro LLCLewiston, ME136 GWhDec 1925Dec 2024 Water
Charles E MontyBrookfield White Pine Hydro LLCLewiston, ME141 GWhDec 1989Dec 2024 Water
Lisbon Street SolarNextGrid Cliffrose, LLCLewiston, ME3 GWhMar 2022Dec 2024 Solar
Merrill Road SolarNextGrid Mangrove, LLCLewiston, ME7 GWhFeb 2022Dec 2024 Solar
Town of Lexington SolarSyncarpha Lexington, LLCLexington, MA3 GWhApr 2017Dec 2024 Solar
LoringAltus Power America Management, LLCLimestone, ME6 GWhApr 2023Dec 2024 Solar
Limestone CSG 1 LLCLimestone CSG 1 LLCLimestone, ME5 MWhNov 2024Dec 2024 Solar
Limestone CSG 2 LLCLimestone CSG 2 LLCLimestone, ME62 MWhOct 2024Dec 2024 Solar
WED GW Solar, LLCCleanCapital HoldingsLincoln, RI4 GWhDec 2018Dec 2024 Solar
Worumbo Hydro StationEagle Creek Renewable Energy, LLCLisbon Falls, ME89 GWhJan 1989Dec 2024 Water
Wheelabrator LisbonWheelabrator Environmental SystemsLisbon, CT101 GWhSep 1995Sep 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%

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