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 501 to 600 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Great Lakes Hydro America - MEGreat Lakes Hydro America LLCMillinocket, ME500 GWhJun 1917Dec 2025 Water
Greater New Bedford LFG Utiliz. FacilityCommonWealth New Bedford Energy LLCNew Bedford, MA13 GWhSep 2005Dec 2025 Landfill Gas
Green MeadowsAltus Power America Management, LLCSandwich, MA5 GWhApr 2014Dec 2025 Solar
Green Providence Wind I, LLCGreen Providence Wind I, LLCProvidence, RI2 GWhNov 2021Dec 2025 Wind
Green Providence Wind II, LLCGreen Providence Wind II, LLCProvidence, RI5 GWhNov 2021Dec 2025 Wind
Greene County Meter #1Tesla Inc.Cairo, NY2 GWhJan 2018Dec 2025 Solar
Greenfield Solar PVNSTAR Electric CompanyGreenfield, MA3 GWhDec 2018Dec 2025 Solar
Gregg FallsEagle Creek Renewable Energy, LLCGoffstown, NH8 GWhNov 1985Dec 2025 Water
Griffin Road Solar 2Griffin Road Solar 2, LLCCharlton, MA2 GWhMay 2020Dec 2025 Solar
Griffin Road Solar, LLC CSGGriffin Road Solar, LLCCharlton, MA3 GWhFeb 2018Dec 2025 Solar
Groton Wind LLCAvangrid Power LLCGroton, NH101 GWhNov 2012May 2026 Wind
Groveland SolarRWE Clean EnergyGroveland, MA4 GWhNov 2012Dec 2025 Solar
GSPP 126 Little Bow Rd N, LLCGreen Street Power PartnersGouverneur, NY7 GWhNov 2023Dec 2025 Solar
GSPP 126 Little Bow Rd S, LLCGreen Street Power PartnersGouverneur, NY7 GWhNov 2023Dec 2025 Solar
GSPP 409 Ferris RoadGreen Street Power PartnersLawrence, NY8 GWhNov 2024Dec 2025 Solar
GSPP 4643 Twelve Corners Road, LLCGreen Street Power PartnersAuburn, NY8 GWhMay 2023Dec 2025 Solar
GSPP 641 Ferris Road WestGreen Street Power PartnersLawrence, NY4 GWhNov 2024Dec 2025 Solar
GSPP 7024 Fox Rd, LLCGreen Street Power PartnersMarcy, NY6 GWhApr 2023Dec 2025 Solar
GSPP Boxborough Littleton (MA)CleanCapital HoldingsBoxborough, MA6 GWhDec 2018Dec 2025 Solar
GSPP Devens, LLCGreen Street Power PartnersAyer, MA3 GWhDec 2018Dec 2025 Solar
GSPP Gilman, LLCGreen Street Power PartnersLunenburg, VT3 GWhAug 2018Dec 2025 Solar
GSPP NESV, LLCGreen Street Power PartnersAttleboro, MA2 GWhFeb 2023Dec 2025 Solar
GSPP Raynham TMLP, LLC CSGGreen Street Power PartnersRaynham, MA4 GWhJan 2019Dec 2025 Solar
GSPP Terrawatt Westfield LLC CSGGreen Street Power PartnersWestfield, MA6 GWhJan 2019Dec 2025 Solar
Gulf IslandBrookfield White Pine Hydro LLCLewiston, ME115 GWhDec 1925Dec 2025 Water
Hadley 2 Solar, LLC CSGHadley 2 Solar, LLCHadley, MA3 GWhNov 2016Dec 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 FallsCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA137 GWhDec 1951Dec 2025 Water
Hadley Solar NG, LLCNuGen Capital ManagementHadley, MA3 GWhJun 2014Dec 2025 Solar
Halifax SolarNuGen Capital ManagementHalifax, MA4 GWhJul 2015Dec 2025 Solar
Hamilton SolarEcos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2025 Solar
HampdenAltus Power America Management, LLCHampden, MA5 GWhJun 2015Dec 2025 Solar
Hampden Landfill Solar LLCHampden Landfill Solar LLCHampden, MA2 GWhNov 2024Dec 2025 Solar
Hampden Solar PVNSTAR Electric CompanyHampden, MA6 GWhOct 2019Dec 2025 Solar
Hampshire College HybridTesla Inc.Amherst, MA3 GWhApr 2017Dec 2025 Solar
Hampton FacilityFoss Manufacturing Company LLCHampton, NH28 GWhSep 1978May 2026 Natural Gas
Hancock Wind PlantOnward EnergyT22 MD, ME112 GWhNov 2016May 2026 Wind
Happy Hollow CSG HybridREA Investments, LLCWinchendon, MA9 GWhSep 2019Dec 2024 Solar
Harbor Road Solar 1Harbor Road Solar 1, LLCCheshire, MA3 GWhNov 2021Dec 2025 Solar
Hardwick-Athol & Eagle HillMadison Energy Investments LLCHardwick, MA2 GWhJun 2015Sep 2025 Solar
Harmony Solar (ME)Maine DG Solar Harmony, LLCHarmony, ME9 GWhJul 2022Dec 2025 Solar
HarrimanGreat River Hydro, LLCWhitingham, VT98 GWhApr 1924Dec 2025 Water
Harris HydroBrookfield White Pine Hydro LLCWest Forks, ME151 GWhDec 1953Dec 2025 Water
Hartford Hospital CogenerationCartier Energy, LLCHartford, CT39 GWhJun 1988Dec 2024 Natural Gas
Hartford Landfill Solar EGFMaterials Innovation Recycling AuthorityHartford, CT1 GWhMay 2014Dec 2024 Solar
Hartland SolarMadison Energy Holdings LLCHartland, ME7 GWhNov 2021Dec 2025 Solar
Harwich LandfillClean Focus Yield, LLCHarwich, MA6 GWhJul 2014Dec 2025 Solar
Hatfield Renewables Community SolarHatfield Renewables, LLCHatfield, MA3 GWhAug 2017Dec 2025 Solar
Hatfield Solar PVNSTAR Electric CompanyHatfield, MA5 GWhNov 2018Dec 2025 Solar
Haverhill Solar Power ProjectMassachusetts Electric CoHaverhill, MA1 GWhNov 2010Dec 2025 Solar
Hewlett-Packard (HP) - Andover, MATesla Inc.Andover, MA2 GWhMay 2017Dec 2025 Solar
High Street StationTown of Ipswich - (MA)Ipswich, MA153 MWhMay 1937Dec 2025 Natural Gas : 92.3% Distillate Fuel Oil : 7.7%
Highgate FallsVillage of Swanton - (VT)Highgate, VT32 GWhJul 1923Dec 2025 Water
Hillsborough HosierySilverstreet HydroHillsboro, NH2 GWhNov 1989Dec 2024 Water
Hinsdale Solar PVNSTAR Electric CompanyHinsdale, MA3 GWhDec 2018Dec 2025 Solar
HiramBrookfield White Pine Hydro LLCHiram, ME31 GWhDec 1916Dec 2025 Water
Holiday Hill Community WindGreenbacker Renewable Energy CorporationRussell, MA12 GWhNov 2019Dec 2025 Wind
Holliston LLCGreenbacker Renewable Energy CorporationHolliston, MA2 GWhSep 2020Dec 2025 Solar
Holliston Solar CSGMN8 Energy LLCHolliston, MA1 GWhJun 2015Dec 2025 Solar
Holyoke Solar Cooperative at MuellerHolyoke Solar LLCHolyoke, MA4 GWhNov 2011Dec 2025 Solar
HooksettCentral Rivers Power NH, LLCHooksett, NH6 GWhJul 1927Dec 2025 Water
Hope Farm Solar, LLCAdapture Renewables, Inc.Cranston, RI16 GWhAug 2019Dec 2025 Solar
Hopkins Hill CSGNautilus Solar SolutionsWest Greenwich, RI10 GWhOct 2020Dec 2025 Solar
Hopkinton CSGAltus Power America Management, LLCHopkinton, MA3 GWhMar 2019Dec 2025 Solar
Hopkinton Phase 2Vista Solar, Inc.Ashaway, RI4 GWhAug 2020Dec 2025 Solar
Houlton Road Solar Farm (CSG)REA Investments, LLCFort Fairfield, ME2 GWhNov 2024Dec 2025 Solar
Howard Lane SolarNJR Clean Energy Ventures CorporationGlocester, RI2 GWhAug 2023Dec 2025 Solar
HSCo CHPCartier Energy, LLCHartford, CT28 GWhSep 2009Dec 2025 Natural Gas
HudsonCaptona Hudson LLCHudson, MA5 GWhApr 2017Dec 2025 Solar
Hunt Farm SolarAltus Power America Management, LLCOrange, MA3 GWhAug 2013Dec 2025 Solar
Hunt Road SolarCitizens Enterprises CorporationAmesbury, MA7 GWhNov 2016Dec 2025 Solar
Huntington FallsGreen Mountain Power CorpWeybridge, VT12 GWhSep 1988Dec 2025 Water
Hurteau Solar Project HybridAES Distributed EnergyUxbridge, MA3 GWhFeb 2020Dec 2025 Solar
Huxley SolarAgilitas Energy, Inc.Ludlow, MA10 GWhNov 2022Dec 2025 Solar
Hydro Kennebec ProjectHydro Kennebec LLCWinslow, ME37 GWhDec 1988Nov 2025 Water
IKEA New Haven Rooftop PV & Fuel CellIKEA Property IncNew Haven, CT3 GWhJun 2012Dec 2025 Natural Gas : 71.5% Solar : 28.5%
Incom Solar, LLC CSG38 Degrees North, LLCCharlton, MA3 GWhOct 2017Dec 2025 Solar
Indian Hill Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2025 Solar
Indian OrchardCentral Rivers Power MA, LLCIndian Orchard, MA3 GWhDec 1927Dec 2025 Water
Indian Orchard Plant 1Solutia Inc-IndianSpringfield, MA7 GWhApr 1985May 2026 Natural Gas
Indian Orchard PV FacilityWestern Massachusetts Electric CompanySpringfield, MA2 GWhNov 2011Dec 2025 Solar
Indian River HydroEagle Creek Renewable Energy, LLCRussell, MA2 GWhNov 1909Dec 2025 Water
Integrys MA Solar, LLC - Ashburnham SiteIntegrys MA Solar, LLCAshburnham, MA3 GWhNov 2013Dec 2025 Solar
International Paper Jay HydroEagle Creek Renewable Energy, LLCJay, ME12 GWhDec 1911Dec 2025 Water
International Paper Livermore HydroEagle Creek Renewable Energy, LLCLivermore Falls, ME24 GWhDec 1909Dec 2025 Water
International Paper Riley HydroEagle Creek Renewable Energy, LLCJay, ME20 GWhNov 1981Dec 2025 Water
International Paper Woronoco MillEagle Creek Renewable Energy, LLCWoronoco, MA7 GWhDec 1912Dec 2025 Water
IOS - MEW Phase 1Madison Energy Holdings LLCMadison, ME1 GWhDec 2016Dec 2024 Solar
Ipswich Wind TurbineTown of Ipswich - (MA)Ipswich, MA2 GWhApr 2011Dec 2025 Wind
Iron Horse Solar 4, LLCIron Horse Solar 4, LLCNorth Billerica, MA7 GWhMay 2017Dec 2025 Solar
Iron Horse Solar I CSGIron Horse Solar 1, LLCNorth Billerica, MA4 GWhNov 2016Dec 2025 Solar
ISM Solar Cranston CSGNautilus Solar SolutionsCranston, RI4 GWhNov 2020Dec 2025 Solar
ISM Solar Dighton 2, LLC CSG38 Degrees North, LLCDighton, MA4 GWhNov 2017Dec 2025 Solar
ISM Solar Shepherd AcresNavisun LLCSouth Paris, ME4 GWhNov 2024Dec 2025 Solar
J C McNeilCity of Burlington Electric - (VT)Burlington, VT224 GWhMay 1984Apr 2026 Wood/Wood Waste Solids : 99.8%
JackmanCentral Rivers Power NH, LLCHillsborough, NH8 GWhJan 1926Aug 2025 Water
Jackson Solar (CT)Ecos Energy LLCGriswold, CT2 GWhNov 2019Dec 2025 Solar
Jefferson Solar (CT)Ecos Energy LLCLebanon, CT2 GWhDec 2017Dec 2025 Solar
Jericho Gravel Solar FarmSoCore Energy LLCJerico, VT2 GWhDec 2020Dec 2025 Solar

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