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 601 to 700 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Mass Midstate Solar 3Evergreen Wind, LLCWarren, MA6 GWhApr 2014Dec 2025 Solar
PalmerAES Distributed EnergyPalmer, MA6 GWhSep 2019Dec 2025 Solar
Franklin 2CD US Solar MT 2 LLCFranklin, MA6 GWhNov 2013Dec 2025 Solar
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA6 GWhOct 2022Dec 2025 Solar
Blackhorse Farm Solar, LLC CSGAES Distributed EnergyWarren, RI6 GWhNov 2020Dec 2025 Solar
WEB BrookfieldWEB Brookfield Solar LLCBrookfield, MA6 GWhNov 2021Dec 2025 Solar
DwightCentral Rivers Power MA, LLCChicopee, MA6 GWhDec 1919Dec 2025 Water
Kearsarge SKSC2 LLCKearsarge SKSC2 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2025 Solar
Norfolk Landfill Solar ProjectNJR Clean Energy Ventures CorporationNorfolk, CT6 GWhNov 2024Dec 2025 Solar
BWC Rams Horn Channel LLCNavisun LLCBeverly, MA6 GWhNov 2020Dec 2025 Solar
Kearsarge Ludlow LLCKearsarge Ludlow LLCLudlow, MA6 GWhNov 2020Dec 2025 Solar
Easton CSG 1 LLCEaston CSG 1 LLCEaston, ME6 GWhJan 2024Dec 2025 Solar
Lenox RenewablesLenox Renewables, LLCCanastota, NY6 GWhAug 2021Dec 2025 Solar
WilbrahamBWC East Brook, LLCWilbraham, MA6 GWhNov 2020Dec 2025 Solar
Springfield Solar PVNSTAR Electric CompanySpringfield, MA6 GWhDec 2018Dec 2025 Solar
Three Rivers Solar LLCASD Three Rivers Road MA Solar LLCWilbraham, MA6 GWhOct 2024Dec 2025 Solar
Waters RiverCity of Peabody - (MA)Peabody, MA6 GWhNov 1971Nov 2025 Natural Gas : 71.3% Distillate Fuel Oil : 28.7%
Brookwood Drive Community SolarAES Distributed EnergyWestport, MA5 GWhJul 2022Dec 2025 Solar
Quittacas Pond SolarRWE Clean EnergyRochester, MA5 GWhNov 2013Dec 2025 Solar
West Brookfield Solar - Gilbertsville RdNautilus Solar SolutionsWest Brookfield, MA5 GWhMay 2017Dec 2025 Solar
Kearsarge SKSC1 LLCKearsarge SKSC1 LLCSouth Kingstown, RI5 GWhSep 2018Dec 2025 Solar
West Tisbury Generating FacilityVineyard Reliability LLCWest Tisbury, MA5 GWhDec 1974Sep 2025 Distillate Fuel Oil
Saratoga Solar III, LLCGreen Street Power PartnersMiddle Grove, NY5 GWhNov 2023Dec 2025 Solar
Oak Street SolarCitizens Enterprises CorporationSpringfield, MA5 GWhNov 2019Dec 2025 Solar
SP-231 CliftonMadison Energy Investments LLCClifton, ME5 GWhNov 2024Dec 2025 Solar
HudsonCaptona Hudson LLCHudson, MA5 GWhApr 2017Dec 2025 Solar
Quinebaug Lower ProjectQuinebaug Associates LLCBrooklyn, CT5 GWhMar 1990Dec 2025 Water
Niagara Depot SolarNiagara Depot Solar, LLCNiagara Falls, NY5 GWhJun 2023Dec 2025 Solar
Partridgeville Hybrid CSGPartridgeville Road Solar 1, LLCAthol, MA5 GWhDec 2019Dec 2025 Solar
15 Glen Harris RDME Sandy River LLCNew Sharon, ME5 GWhMay 2024Dec 2025 Solar
Charlton Solar I CSGCharlton Solar I, LLCCharlton, MA5 GWhNov 2014Dec 2025 Solar
Silver Lake (VT)Green Mountain Power CorpSalisbury, VT5 GWhJan 1917Dec 2025 Water
Randall Road Solar IGreen Street Power PartnersBallston Spa, NY5 GWhJun 2024Dec 2025 Solar
Lower MiddleburyGreen Mountain Power CorpMiddlebury Lower, VT5 GWhJul 1917Dec 2025 Water
299 Farm to Market Rd Hybrid(CSG)299F2M WHAM8 Solar, LLCWareham, MA5 GWhNov 2021Dec 2025 Solar
Leicester One MA Solar LLCCVI CleanCapital Solar 1 LLCLeicester, MA5 GWhDec 2014Dec 2025 Solar
Dynamic - Gray SolarAltus Power America Management, LLCGray, ME5 GWhNov 2024Dec 2025 Solar
UMASSRWE Clean EnergyAmherst, MA5 GWhSep 2016Dec 2025 Solar
EDF LancasterCleanCapital HoldingsLancaster, MA5 GWhJun 2014Dec 2025 Solar
Morin Solar 2013 LLCCVI CleanCapital Solar 6Warren, MA5 GWhNov 2013Dec 2025 Solar
ENGIE 2019 ProjectCo-MA1, LLCENGIE 2019 ProjectCo MA-1, LLCAgawam, MA5 GWhFeb 2021Jul 2025 Solar
ChemicalCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA5 GWhDec 1934Dec 2025 Water
DG Dighton LLC CSGDG Dighton, LLCDighton, MA5 GWhJun 2017Dec 2025 Solar
Stamford Health Tully Health CenterStamford Health Tully Health CenterStamford, CT5 GWhApr 2002Dec 2025 Natural Gas
Washington WS01Nautilus Solar SolutionsWashington, ME5 GWhMay 2022Dec 2025 Solar
Nextsun Energy LittletonGreenbacker Renewable Energy CorporationLittleton, MA5 GWhSep 2013Dec 2025 Solar
IOS - MEW Phase 1Madison Energy Holdings LLCMadison, ME5 GWhDec 2016Dec 2025 Solar
Green MeadowsAltus Power America Management, LLCSandwich, MA5 GWhApr 2014Dec 2025 Solar
MA Military Reservation Wind ProjectAir Force Civil Engineer CenterOtis ANG Base Bourne, MA5 GWhNov 2009Dec 2025 Wind
Ware Palmer Road Solar LLC CSGWare Palmer Road Solar LLCWare, MA5 GWhMay 2021Dec 2025 Solar
Notus Wind 1Notus Clean Energy LLCE. Falmouth, MA5 GWhJun 2010Dec 2025 Wind
3104 Batavia Solar3104 Batavia Solar, LLCBatavia, NY5 GWhFeb 2021Dec 2025 Solar
MorrisvilleVillage of Morrisville - (VT)Morrisville, VT5 GWhJul 1924Dec 2025 Water
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2025 Solar
Town of Rocky Hill PV CSGTesla Inc.Rocky Hill, CT5 GWhFeb 2018Dec 2025 Solar
Onyx - Brockton Thatcher Landfill SolarOnyx Asset Services GroupBrockton, MA5 GWhOct 2017Dec 2025 Solar
Syncarpha Northampton Hybrid CSGSyncarpha Northampton, LLCNorthampton, MA5 GWhNov 2020Dec 2025 Solar
Ryans RanchNautilus Solar SolutionsParis, ME5 GWhMay 2022Dec 2025 Solar
Woodville Solar (CSG)Standard SolarWoodville, RI5 GWhNov 2024Dec 2025 Solar
Berkley East Solar LLCSunEdison LLCBerkley, MA5 GWhJun 2013Dec 2025 Solar
Barnstable LandfillClean Focus Yield, LLCMarstons Mills, MA5 GWhAug 2014Dec 2025 Solar
Bristol Solar One, LLCDG Connecticut III, LLCBristol, CT5 GWhApr 2021Dec 2025 Solar
WED Portsmouth One, LLCGreenbacker Renewable Energy CorporationPortsmouth, RI5 GWhJul 2016Dec 2025 Wind
3ColtonMadison Energy Holdings LLCMillbury, MA5 GWhJun 2023Dec 2025 Solar
HampdenAltus Power America Management, LLCHampden, MA5 GWhJun 2015Dec 2025 Solar
WED Coventry Seven, LLCWED Coventry Seven, LLCCoventry, RI5 GWhNov 2020Dec 2025 Solar
Roger Williams - Melville at PortsmouthLuminace Solar Rhode Island, LLCPortsmouth, RI5 GWhFeb 2021Dec 2025 Solar
Hatfield Solar PVNSTAR Electric CompanyHatfield, MA5 GWhNov 2018Dec 2025 Solar
Russell (MA)Sunrise on Blandford Rd. LLCRussell, MA5 GWhOct 2020Dec 2025 Solar
ME Novel Lighthouse - Front St. Solar CSLuminace Sunbeam Development Holdings, LLCSkowhegan, ME5 GWhApr 2023Dec 2025 Solar
Limestone CSG 2 LLCLimestone CSG 2 LLCLimestone, ME5 GWhOct 2024Dec 2025 Solar
Augusta Road Bowdoin Solar, LLCREA Investments, LLCBowdoin, ME5 GWhJan 2022Dec 2025 Solar
East Acres Solar NG, LLCNuGen Capital ManagementPittsfield, MA5 GWhMar 2017Dec 2025 Solar
AugustaMaine DG Solar Augusta, LLCAugusta, ME5 GWhFeb 2022Dec 2025 Solar
Webb Road SolarNextGrid Mastic, LLCWaterville, ME5 GWhAug 2022Dec 2025 Solar
CED Chicopee SolarRWE Clean EnergyChicopee, MA5 GWhJun 2017Dec 2025 Solar
Exeter Ten (CSG)Nautilus Solar SolutionsExeter, RI5 GWhNov 2024Dec 2025 Solar
Oxford SolarCitizens Enterprises CorporationOxford, MA5 GWhJan 2020Dec 2025 Solar
Elm StreetISM Solar Dighton 3, LLCDighton, MA5 GWhNov 2020Dec 2025 Solar
NationwideNationwide Solar Energy LLCLancaster, MA5 GWhMay 2021Dec 2025 Solar
Canton GLC Solar, LLCAddicus AdvisorsCanton, ME5 GWhMar 2024Dec 2025 Solar
BrockelmanIntegrys MA Solar, LLCLancaster, MA5 GWhOct 2013Dec 2025 Solar
West A&B Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA5 GWhNov 2020Dec 2025 Solar
East BarnetGreen Mountain Power CorpBarnet, VT5 GWhAug 1984Dec 2025 Water
Falmouth Landfill SolarCitizens Enterprises CorporationFalmouth, MA5 GWhMar 2017Dec 2025 Solar
Pike Road Solar (NY)RPNY Solar 6, LLCBatavia, NY5 GWhJun 2024Dec 2025 Solar
ActonActon H Road Solar 1, LLCActon, ME5 GWhNov 2021Dec 2025 Solar
Athens RidgeGreenbacker Renewable Energy CorporationAthens, ME5 GWhFeb 2024Dec 2025 Solar
Millbury SolarEvergreen Wind, LLCMillbury, MA5 GWhMar 2014Dec 2025 Solar
Pleasant StreetGreenbacker Renewable Energy CorporationWilton, ME5 GWhNov 2023Dec 2025 Solar
Kearsarge Southwick LLCKearsarge Solar LLCSouthwick, MA5 GWhFeb 2015Dec 2025 Solar
Green Providence Wind II, LLCGreen Providence Wind II, LLCProvidence, RI5 GWhNov 2021Dec 2025 Wind
Kearsarge Bellingham PVKearsarge Bellingham LLCBellingham, MA5 GWhNov 2016Dec 2025 Solar
SELCO Community SolarMassachusetts Mun Wholes Electric CoShrewsbury, MA5 GWhMay 2018Dec 2025 Solar
Saratoga Solar IV, LLCGreen Street Power PartnersRock City Falls, NY5 GWhSep 2023Dec 2025 Solar
Tolland Solar NG LLCNuGen Capital ManagementTolland, MA5 GWhSep 2014Dec 2025 Solar
WED Kingstown Solar I - East ArrayCleanCapital HoldingsWashington, RI5 GWhNov 2017Dec 2025 Solar
Marshfield PVTerraform ArcadiaMarshfield, MA5 GWhNov 2013Dec 2025 Solar
DevensAltus Power America Management, LLCShirley, MA5 GWhMay 2014Dec 2025 Solar
Milton HydroSFR Hydro CorMilton, NH5 GWhDec 1913Dec 2025 Water

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