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 Oct 2026
Annual Generation 112.2 TWh
Power Plants1,667
Utilities846
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% Nuclear | 25.3% Wind | 5.7% Water | 4.6% Other Fuel | 4.5% Solar | 1.6% Coal | 0%

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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 801 to 900 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
WED Shun III, LLCWED Shun III, LLCJohnston, RI8 GWhDec 2018Dec 2025 Wind
WED Plainfield III, LLCWED Plainfield III, LLCJohnston, RI7 GWhDec 2018Dec 2025 Wind
WED Plainfield, LLCWED Plainfield, LLCJohnston, RI7 GWhDec 2018Dec 2025 Wind
WED Shun II, LLCWED Shun II, LLCJohnston, RI7 GWhDec 2018Dec 2025 Wind
WED Shun I, LLCWED Shun I, LLCJohnston, RI7 GWhDec 2018Jun 2026 Wind
Ridgewood Providence PowerRhode Island LFG GencoJohnston, RI4 GWhJul 2005Dec 2025 Landfill Gas
Johnston LFG Turbine PlantRhode Island LFG GencoJohnston, RI170 GWhApr 2013Jul 2026 Landfill Gas
Rhode Island State Energy CenterRISEC Operating ServicesJohnston, RI3 TWhSep 2002Jul 2026 Natural Gas
Orbit Energy RIAnaergiaJohnston, RI144 MWhJun 2017Dec 2024 Other Biomass Gas
Pine HillOnsite Partners, LLCJohnston, RI8 GWhJul 2020Dec 2025 Solar
Plainfield PikeCaptona Plainfield Pike Johnston LLCJohnston, RI4 GWhMay 2019Dec 2025 Solar
A Street 1Captona A Street 1 Johnston LLCJohnston, RI2 GWhNov 2018Dec 2025 Solar
A Street 2Captona A Street 2 Johnston LLCJohnston, RI3 GWhNov 2018Dec 2025 Solar
Jewett City 1Connecticut Mun Elec Engy CoopJewett City, CT139 MWhJan 2010Dec 2025 Distillate Fuel Oil
Jericho Gravel Solar FarmSoCore Energy LLCJerico, VT2 GWhDec 2020Dec 2025 Solar
Jericho Landfill Solar FarmSoCore Energy LLCJerico, VT1 GWhDec 2020Dec 2025 Solar
International Paper Riley HydroEagle Creek Renewable Energy, LLCJay, ME20 GWhNov 1981Dec 2025 Water
International Paper Jay HydroEagle Creek Renewable Energy, LLCJay, ME12 GWhDec 1911Dec 2025 Water
Ball Mountain HydroEagle Creek Renewable Energy, LLCJamaica, VT995 MWhMar 2016Dec 2025 Water
Ipswich Wind TurbineTown of Ipswich - (MA)Ipswich, MA2 GWhApr 2011Dec 2025 Wind
High Street StationTown of Ipswich - (MA)Ipswich, MA153 MWhMay 1937Dec 2025 Natural Gas : 92.3% Distillate Fuel Oil : 7.7%
Indian OrchardCentral Rivers Power MA, LLCIndian Orchard, MA3 GWhDec 1927Dec 2025 Water
MasspowerMasspowerIndian Orchard, MA442 GWhJun 1993Dec 2025 Natural Gas
W K SandersVillage of Morrisville - (VT)Hyde Park, VT716 MWhJun 1983Nov 2025 Water
Cream Street SolarCream Street Solar, LLCHyde Park, NY4 GWhNov 2020Dec 2025 Solar
HudsonCaptona Hudson LLCHudson, MA5 GWhApr 2017Dec 2025 Solar
Cherry StreetTown of Hudson - (MA)Hudson, MA320 MWhApr 1951Dec 2025 Distillate Fuel Oil : 58.5% Natural Gas : 41.5%
KS Solar Six LLCKearsarge Solar LLCHubbardston, MA3 GWhNov 2013Dec 2025 Solar
Williamsville Hybrid CSG147 Williamsville Solar 1, LLCHubbardston, MA8 GWhAug 2021Dec 2025 Solar
Corkwood Solar (CSG)NextGrid Corkwood, LLCHowland, ME6 GWhOct 2023Dec 2025 Solar
GD Hopkinton Main I, LLCGD Hopkinton Main I, LLCHopkinton, RI16 GWhOct 2020Dec 2025 Solar
Hopkinton CSGAltus Power America Management, LLCHopkinton, MA3 GWhMar 2019Dec 2025 Solar
BWC Origination 19BWC Origination 19 LLCHopedale, MA2 GWhJul 2017Dec 2025 Solar
HooksettCentral Rivers Power NH, LLCHooksett, NH6 GWhJul 1927Dec 2025 Water
Cabot HolyokeCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA3 GWhDec 1892Dec 2025 Water
Holyoke Solar Cooperative at MuellerHolyoke Solar LLCHolyoke, MA4 GWhNov 2011Dec 2025 Solar
Mt. Tom Solar Project HybridMt. Tom Solar, LLCHolyoke, MA4 GWhDec 2016Dec 2025 Solar
ChemicalCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA5 GWhDec 1934Dec 2025 Water
Riverside HolyokeCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA22 GWhDec 1905Dec 2025 Water
Hadley FallsCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA137 GWhDec 1951Dec 2025 Water
BoatlockCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA12 GWhDec 1920Dec 2025 Water
Holliston Solar CSGMN8 Energy LLCHolliston, MA1 GWhJun 2015Dec 2025 Solar
Bourne (MA) - Holliston INVT LICENSES, LLCHolliston, MA3 GWhNov 2014Dec 2025 Solar
Holliston LLCGreenbacker Renewable Energy CorporationHolliston, MA2 GWhSep 2020Dec 2025 Solar
Bonny EagleBrookfield White Pine Hydro LLCHollis, ME31 GWhDec 1909Dec 2025 Water
HiramBrookfield White Pine Hydro LLCHiram, ME31 GWhDec 1916Dec 2025 Water
Hinsdale Solar PVNSTAR Electric CompanyHinsdale, MA3 GWhDec 2018Dec 2025 Solar
VEC Magee Hill SolarSoCore Energy LLCHinesburgh, VT2 GWhOct 2017Dec 2025 Solar
JackmanCentral Rivers Power NH, LLCHillsborough, NH8 GWhJan 1926Aug 2025 Water
Hillsborough HosierySilverstreet HydroHillsboro, NH2 GWhNov 1989Dec 2025 Water
Highgate FallsVillage of Swanton - (VT)Highgate, VT32 GWhJul 1923Dec 2025 Water
Williamsburg Solar LLC VNEM CSGTesla Inc.Haydenville, MA1 GWhJan 2016Dec 2025 Solar
Haverhill Solar Power ProjectMassachusetts Electric CoHaverhill, MA1 GWhNov 2010Dec 2025 Solar
DG Haverhill CSGDG Haverhill LLCHaverhill, MA7 GWhAug 2017Dec 2025 Solar
Covanta HaverhillOgden Projects Inc-HaverhillHaverhill, MA291 GWhApr 1989Jul 2026 Non-biogenic Municipal Solid Waste : 52.8% Biogenic Municipal Solid Waste : 43.2% Distillate Fuel Oil : 4.0%
Kearsarge HaverhillKearsarge Haverhill LLCHaverhill, MA4 GWhFeb 2021Dec 2025 Solar
Bradford SolarBradford Solar, LLCHaverhill, MA7 GWhMar 2017Dec 2025 Solar
Hatfield Renewables Community SolarHatfield Renewables, LLCHatfield, MA3 GWhAug 2017Dec 2025 Solar
Hatfield Solar PVNSTAR Electric CompanyHatfield, MA5 GWhNov 2018Dec 2025 Solar
Harwich LandfillClean Focus Yield, LLCHarwich, MA6 GWhJul 2014Dec 2025 Solar
Hartland SolarMadison Energy Holdings LLCHartland, ME7 GWhNov 2021Dec 2025 Solar
WilderGreat River Hydro, LLCHartford, VT134 GWhOct 1950Dec 2025 Water
GMP Solar - HartfordGreen Mountain Power CorpHartford, VT7 GWhNov 2016Jul 2026 Solar
HSCo CHPCartier Energy, LLCHartford, CT28 GWhSep 2009Dec 2025 Natural Gas
Trinity College Fuel CellOnsite Partners, LLCHartford, CT11 GWhJul 2018Dec 2025 Natural Gas
Hartford Hospital CogenerationCartier Energy, LLCHartford, CT49 GWhJun 1988Dec 2025 Natural Gas
Hartford Landfill Solar EGFMaterials Innovation Recycling AuthorityHartford, CT1 GWhMay 2014Dec 2024 Solar
Enfield Solar OneEnfield Solar One, LLCHartford, CT8 GWhMar 2024Dec 2025 Solar
Ocean State PowerOcean State Power CoHarrisville, RI1 TWhNov 1990Dec 2025 Natural Gas : 99.7%
Ocean State Power IIOcean State Power IIHarrisville, RI577 GWhSep 1991Dec 2025 Natural Gas : 99.9%
Harmony Solar (ME)Maine DG Solar Harmony, LLCHarmony, ME9 GWhJul 2022Dec 2025 Solar
ER Center Road Solar, LLCAltus Power America Management, LLCHardwick, VT3 GWhApr 2022Dec 2025 Solar
Billings RoadAltus Power America Management, LLCHardwick, VT2 GWhOct 2021Dec 2025 Solar
Hardwick-Athol & Eagle HillMadison Energy Investments LLCHardwick, MA2 GWhJun 2015Sep 2025 Solar
Dartmouth College Heating PlantDartmouth CollegeHanover, NH10 GWhDec 1969Jul 2026 Residual Fuel Oil
Syncarpha Hancock II CSGSyncarpha Hancock II, LLCHancock, MA3 GWhOct 2017Dec 2025 Solar
Syncarpha Hancock I CSGSyncarpha Hancock I, LLCHancock, MA3 GWhOct 2017Dec 2025 Solar
Nexamp Peak CSGNexamp Peak, LLCHancock, MA2 GWhNov 2015Dec 2025 Solar
Jiminy Peak Wind QFJiminy Peak Mountain Resort, LLCHancock, MA2 MWhJul 2007Apr 2025 Wind
Carver FallsGreen Mountain Power CorpHampton, NY4 GWhJan 1922Dec 2025 Water
Hampton FacilityFoss Manufacturing Company LLCHampton, NH28 GWhSep 1978Jul 2026 Natural Gas
McHenry SolarEcos Energy LLCHampton, CT2 GWhSep 2021Dec 2025 Solar
Dickinson Solar (CT)Ecos Energy LLCHampton, CT2 GWhMay 2020Dec 2025 Solar
Sydney SolarEcos Energy LLCHampton, CT3 GWhMay 2020Dec 2025 Solar
Hampden Landfill Solar LLCHampden Landfill Solar LLCHampden, MA2 GWhNov 2024Dec 2025 Solar
Hampden Solar PVNSTAR Electric CompanyHampden, MA6 GWhOct 2019Dec 2025 Solar
HampdenAltus Power America Management, LLCHampden, MA5 GWhJun 2015Dec 2025 Solar
BWC Jimmie PondNavisun LLCHampden, ME3 GWhNov 2024Dec 2025 Solar
Syncarpha Halifax Hybrid CSGSyncarpha Halifax, LLCHalifax, MA3 GWhNov 2020Dec 2025 Solar
Halifax SolarNuGen Capital ManagementHalifax, MA4 GWhJul 2015Dec 2025 Solar
Hadley 3 Solar (North)Hadley 3 Solar, LLC (North)Hadley, MA3 GWhNov 2019Dec 2025 Solar
Hadley 3 Solar (South)Hadley 3 Solar, LLC (South)Hadley, MA3 GWhNov 2019Dec 2025 Solar
Hadley 2 Solar, LLC CSGHadley 2 Solar, LLCHadley, MA3 GWhNov 2016Dec 2025 Solar
Hadley Solar NG, LLCNuGen Capital ManagementHadley, MA3 GWhJun 2014Dec 2025 Solar
Lost NationGranite Shore PowerGroveton, NH416 MWhAug 1969Dec 2025 Distillate Fuel Oil
Groveland SolarRWE Clean EnergyGroveland, MA4 GWhNov 2012Dec 2025 Solar
Groton Wind LLCAvangrid Power LLCGroton, NH104 GWhNov 2012Jul 2026 Wind
West Groton CHPHollingsworth & Vose Co West GrotonGroton, MA21 GWhNov 2015Dec 2025 Natural Gas
GELD Solar FarmAmeresco, Inc - GELDGroton, MA3 GWhMay 2016Dec 2025 Solar
Water Treatment 1 & 2Connecticut Mun Elec Engy CoopGroton, CT394 MWhSep 2010Jul 2026 Distillate Fuel Oil

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator168.7 TWh2,170
#9Tennessee Valley Authority166.2 TWh209
#10Florida Power & Light Co.153.0 TWh188
#12New York Independent System Operator134.1 TWh1,334
#13Duke Energy Carolinas113.4 TWh578
#15ISO New England112.2 TWh1,667
#16Bonneville Power Administration91.1 TWh170
#17Duke Energy Progress East66.2 TWh574
#18PacifiCorp East61.4 TWh223
#19Salt River Project Agricultural Improvement and Power District60.5 TWh51