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 1,201 to 1,300 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Freetown MA 1, LLCNavisun LLCFreetown, MA2 GWhNov 2022Dec 2025 Solar
Sunderland Solar PVNSTAR Electric CompanySunderland, MA2 GWhAug 2018Dec 2025 Solar
Barton Acres Solar, LLC CSG38 Degrees North, LLCPhillipston, MA2 GWhSep 2017Dec 2025 Solar
Onset East Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2025 Solar
Onset West Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2025 Solar
Jefferson Solar (CT)Ecos Energy LLCLebanon, CT2 GWhDec 2017Dec 2025 Solar
SVEP Solar Project CompanyCVI CleanCapital Solar 1 LLCPownal, VT2 GWhNov 2012Dec 2025 Solar
Sherman SolarEcos Energy LLCGriswold, CT2 GWhNov 2019Dec 2025 Solar
Brewster LandfillClean Focus Yield, LLCBrewster, MA2 GWhAug 2014Dec 2025 Solar
Jackson Solar (CT)Ecos Energy LLCGriswold, CT2 GWhNov 2019Dec 2025 Solar
Ticket Network South WindsorPowerflexSouth Windsor, CT2 GWhApr 2018Dec 2024 Solar
Woodchuck Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2025 Solar
Sudbury SolarEcos Energy LLCSudbury, VT2 GWhApr 2016Dec 2025 Solar
Plymouth SolarNSTAR Electric CompanyPlymouth, MA2 GWhMay 2018Dec 2025 Solar
Plainfield Solar 1Ecos Energy LLCPlainfield, CT2 GWhDec 2019Dec 2025 Solar
115 G FisherGreenbacker Renewable Energy CorporationMiddleborough, MA2 GWhSep 2015Dec 2025 Solar
Pittsfield 44 - M&W PVNSTAR Electric CompanyPittsfield, MA2 GWhJul 2018Dec 2025 Solar
Manchester Community College EastOnyx Asset Services GroupManchester, CT2 GWhSep 2018Dec 2024 Solar
Lilly LaneLSE Chamaeleon LLCCharlton, MA2 GWhMay 2018Oct 2025 Solar
Millis MA 1Millis MA 1 LLCMillis, MA2 GWhOct 2018Dec 2025 Solar
CMEEC - Rogers Rd SolarTesla Inc.Norwich, CT2 GWhJan 2017Dec 2025 Solar
Dickinson Solar (CT)Ecos Energy LLCHampton, CT2 GWhMay 2020Dec 2025 Solar
Brookfield Wire CompanyDynamic Energy Solutions, LLCBrookfield, MA2 GWhMay 2016Dec 2025 Solar
700 BinnewaterMadison Energy Investments LLCRosendale, NY2 GWhAug 2022Dec 2025 Solar
Plainfield Solar 2Ecos Energy LLCPlainfield, CT2 GWhMar 2020Dec 2025 Solar
Westport MA 2 Community SolarNavisun LLCWestport, MA2 GWhAug 2016Dec 2025 Solar
NolanLSE Crater LLCGreat Barrington, MA2 GWhOct 2017Dec 2024 Solar
Tisbury Landfill SolarClean Focus Yield, LLCTisbury, MA2 GWhJun 2014Dec 2025 Solar
Town of BranfordTesla Inc.Branford, CT2 GWhMay 2018Dec 2025 Solar
Kearsarge Upper UnionKearsarge Upper Union LLCFranklin, MA2 GWhFeb 2023Dec 2025 Solar
Cherry Valley Solar, LLC CSG38 Degrees North, LLCLeicester, MA2 GWhOct 2017Dec 2025 Solar
Methuen LandfillCleanCapital HoldingsMethuen, MA2 GWhJun 2013Dec 2025 Solar
McAllister LandfillSolar Breakers LLCPortsmouth, RI2 GWhSep 2022Dec 2025 Solar
JH Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA2 GWhOct 2017Dec 2025 Solar
Erving CSGErving Poplar Mountain Solar 1, LLCErving, MA1 GWhAug 2020Dec 2025 Solar
ME Augusta 13 York Farm Rd SolarSOL ME Augusta 13 York Farm, LLCAugusta, ME1 GWhDec 2023Dec 2025 Solar
Boston Scientific SolarRWE Clean EnergyQuincy, MA1 GWhNov 2012Dec 2025 Solar
Park SolarEcos Energy LLCWoodbridge, CT1 GWhNov 2023Dec 2025 Solar
Fredonia Solar LLCAltus Power America Management, LLCFredonia, NY1 GWhAug 2021Dec 2025 Solar
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA1 GWhSep 2017Dec 2025 Solar
Jericho Landfill Solar FarmSoCore Energy LLCJerico, VT1 GWhDec 2020Dec 2025 Solar
WYM 1250 Palmer LLCCVI CleanCapital Solar 6Palmer, MA1 GWhAug 2013Dec 2025 Solar
158th Fighter Wing Solar Farm158th Fighter WingSouth Burlington, VT1 GWhAug 2011Dec 2025 Solar
Little BayAltus Power America Management, LLCProvidence, RI1 GWhFeb 2014Dec 2025 Solar
Holliston Solar CSGMN8 Energy LLCHolliston, MA1 GWhJun 2015Dec 2025 Solar
Pomham Islander (CSG)Nautilus Solar SolutionsNorth Smithfield, RI1 GWhJun 2025Dec 2025 Solar
Town of HalfmoonTesla Inc.Waterford, NY1 GWhMay 2017Dec 2024 Solar
State Street Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2025 Solar
Manchester Community College NorthOnyx Asset Services GroupGreat Path, CT1 GWhSep 2018Dec 2024 Solar
Antanavica SolarSunStrong Management, LLCLeicester, MA1 GWhJul 2018Dec 2024 Solar
Redbrook Community Solar 1Redbrook Solar 1, LLCPlympton, MA1 GWhSep 2017Dec 2025 Solar
Roosevelt TrailMadison Energy Investments LLCWindham, ME1 GWhNov 2024Dec 2025 Solar
Rochester MA 2Rochester MA 2 LLCRochester, MA1 GWhNov 2018Dec 2025 Solar
Browne Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2025 Solar
Indian Hill Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2025 Solar
Syncarpha Hancock III CSGSyncarpha Hancock III, LLCPittsfield, MA1 GWhOct 2017Dec 2025 Solar
DG Tufts Science LLC CSGDG Tufts Science, LLCNorth Grafton, MA1 GWhJan 2017Dec 2025 Solar
BelchertownAltus Power America Management, LLCBelchertown, MA1 GWhNov 2015Dec 2025 Solar
SP-339 Mechanic FallsMadison Energy Investments LLCMechanic Falls, ME1 GWhNov 2024Dec 2025 Solar
Barre Solar III LLCAES Distributed EnergyBarre, MA1 GWhFeb 2018Dec 2025 Solar
15 LincolnMadison Energy Investments LLCNorfolk, MA1 GWhNov 2022Dec 2025 Solar
Ledeaux Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA1 GWhOct 2017Dec 2025 Solar
Oakdale Power StationMassachusetts Water Res AuthWest Boylston, MA1 GWhApr 1951Dec 2025 Water
Big George PV CSGAltus Power America Management, LLCPlymouth, MA1 GWhAug 2018Dec 2025 Solar
Oneida County- DPWTesla Inc.Oriskany, NY1 GWhSep 2017Dec 2025 Solar
VEC Alburgh ArraySoCore Energy LLCAlburgh, VT1 GWhNov 2016Dec 2025 Solar
CavendishGreen Mountain Power CorpCavendish, VT1 GWhJan 1907Dec 2025 Water
Charlestown Wind TurbineMWRA CharlestownCharlestown, MA1 GWhSep 2011Dec 2025 Wind
Pleasantdale Road Community SolarPleasantdale Road Solar, LLCRutland, MA1 GWhAug 2017Dec 2025 Solar
East Brookfield Main Street Solar LLC CSAES Distributed EnergyEast Brookfield, MA1 GWhNov 2020Dec 2025 Solar
Shirley LandfillAltus Power America Management, LLCShirley, MA1 GWhApr 2017Dec 2025 Solar
265 Pleasant Solar NG, LLCNuGen Capital ManagementLunenburg, MA1 GWhJun 2014Dec 2025 Solar
BWC Origination 8 LLC Sturbridge 2BWC Origination 8 LLC Sturbridge 2 LLCSturbridge, MA1 GWhAug 2017Dec 2025 Solar
Mariaville Road Elsworth Solar, LLCREA Investments, LLCEllsworth, ME1 GWhApr 2022Dec 2025 Solar
Braintree Landfill SolarAmeresco, Inc - BraintreeBraintree, MA1 GWhNov 2014Dec 2025 Solar
Town of East Bridgewater CSGTesla Inc.East Bridgewater, MA1 GWhMay 2013Dec 2025 Solar
Benz Solar 2Ecos Energy LLCAnsonia, CT1 GWhFeb 2025Dec 2025 Solar
Benz Solar 1Ecos Energy LLCAnsonia, CT1 GWhFeb 2025Dec 2025 Solar
Sutton Solar 2, LLC CSGSutton Solar 2, LLCSutton, MA1 GWhNov 2020Dec 2025 Solar
ALDI DC 2PowerflexSouth Windsor, CT1 GWhJan 2018Dec 2025 Solar
Sudbury LandfillHeliovaas LLCSudbury, MA1 GWhNov 2013Dec 2025 Solar
VPPSA Project 10Vermont Public Power Supply AuthoritySwanton, VT1 GWhApr 2010Dec 2025 Distillate Fuel Oil
Webster SolarWebster Solar, LLCWebster, MA1 GWhNov 2017Dec 2025 Solar
Conn Mun Electric Energy CoopTesla Inc.Norwich, CT1 GWhNov 2016Dec 2025 Solar
Maynard PVTerraform ArcadiaMaynard, MA1 GWhDec 2013Dec 2025 Solar
EHC West HopkintonGreen Mountain Power CorpWest Hopkinton, NH1 GWhJun 1985Dec 2025 Water
Front StreetCity of Chicopee - (MA)Chicopee, MA1 GWhDec 1977Dec 2025 Distillate Fuel Oil
Dudley Landfill Solar LLCDudley Landfill Solar LLCDudley, MA1 GWhApr 2025Dec 2025 Solar
Wendell MA 1Wendell MA 1 LLCWendell, MA1 GWhNov 2018Dec 2025 Solar
CMEEC - Navy NE TridentTesla Inc.Groton, CT1 GWhMay 2017Dec 2025 Solar
Hartford Landfill Solar EGFMaterials Innovation Recycling AuthorityHartford, CT1 GWhMay 2014Dec 2024 Solar
MA Solar Storage 1 HybridOrigis Energy USA, IncSterling, MA1 GWhFeb 2018Dec 2025 Solar
Exelon Framingham LLCConstellation Power, IncFramingham, MA1 GWhAug 1969Dec 2025 Distillate Fuel Oil
BWC Origination 8 LLC Sturbridge 1BWC Origination 8 LLC Sturbridge 1 LLCSturbridge, MA1 GWhJul 2017Dec 2025 Solar
Bridgewater Complex Co-Generation PlantMassachusetts Department of CorrectionBridgewater, MA1 GWhOct 2015Dec 2025 Natural Gas
Haverhill Solar Power ProjectMassachusetts Electric CoHaverhill, MA1 GWhNov 2010Dec 2025 Solar
Lowell Solar LandfillHeliovaas LLCLowell, MA1 GWhNov 2013Dec 2025 Solar
Nebraska Valley Solar FarmTown of Stowe - (VT)Stowe, VT1 GWhJul 2016Dec 2025 Solar
Norton LLCGreenbacker Renewable Energy CorporationNorton, MA1 GWhAug 2020Dec 2025 Solar
CVEC Round 4 Brewster Captn Golf CourseFreemans Way Solar Project 2019, LLCBrewster, MA1 GWhFeb 2022Dec 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