ISO New England

Balancing Authority Summary Information

ISO New England is ranked #14 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 Oct 2025
Annual Generation 104.5 TWh
Power Plants1,577
Utilities819
Ranked #14 out of 65 in terms of net annual generation
Ranked #11 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 56.4% Nuclear | 25.5% Water | 5% Other Fuel | 4.5% Wind | 3.9% Solar | 1.5% Coal | 0.4%

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Daily Net Generation for ISO New England for the past 3 Years

500k500k400k400k300k300k200k200k100k100k0020232023Jul '23Jul '2320242024Jul '24Jul '2420252025Jul '25Jul '25
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List of All ISO New England Power Plants

Displaying Results 401 to 500 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Johnston LFG Turbine PlantRhode Island LFG GencoJohnston, RI179 GWhApr 2013Jul 2025 Landfill Gas
Wilson Solar (MA)Consolidated Edison Solutions Inc.Spencer, MA2 GWhMay 2013Dec 2024 Solar
Town of East Bridgewater CSGTesla Inc.East Bridgewater, MA1 GWhMay 2013Dec 2024 Solar
Orange PVTerraform ArcadiaOrange, MA3 GWhJun 2013Dec 2024 Solar
Berkley East Solar LLCSunEdison LLCBerkley, MA5 GWhJun 2013Dec 2024 Solar
Methuen LandfillCleanCapital HoldingsMethuen, MA2 GWhJun 2013Dec 2024 Solar
Northbridge SolarConsolidated Edison Development Inc.South Grafton, MA3 GWhJul 2013Dec 2024 Solar
Ludlow LandfillCleanCapital HoldingsLudlow, MA3 GWhJul 2013Dec 2024 Solar
Hunt Farm SolarAltus Power America Management, LLCOrange, MA3 GWhAug 2013Dec 2024 Solar
Sheldon SolarExcelsior Energy CapitalSheldon Springs, VT3 GWhAug 2013Dec 2024 Solar
WYM 1250 Palmer LLCCVI CleanCapital Solar 6Palmer, MA1 GWhAug 2013Dec 2024 Solar
Open View Solar FarmCross Pollination IncNew Haven, VT3 GWhAug 2013Dec 2024 Solar
Stillwater BBrookfield Black Bear Hydro, LLCOld Town, ME11 GWhAug 2013Dec 2024 Water
Bellingham PVTerraform ArcadiaDouglas, MA4 GWhSep 2013Dec 2024 Solar
Adams Farm SolarAltus Power America Management, LLCAthol, MA3 GWhSep 2013Dec 2024 Solar
Scituate PVAES Distributed EnergyScituate, MA3 GWhSep 2013Dec 2024 Solar
Easton LandfillCleanCapital HoldingsEaston, MA2 GWhSep 2013Dec 2024 Solar
Plymouth Site 1CleanCapital HoldingsPlympton, MA7 GWhSep 2013Dec 2024 Solar
Nextsun Energy LittletonGreenbacker Renewable Energy CorporationLittleton, MA5 GWhSep 2013Dec 2024 Solar
Grafton SolarCD US Solar MT 2 LLCGrafton, MA2 GWhSep 2013Dec 2024 Solar
Burgess BioPowerBerlin Station, LLCBerlin, NH349 GWhOct 2013Dec 2024 Wood/Wood Waste Solids
Dept of Corrections NCCI WindDept of Corrections NCCI WindGardner, MA6 GWhOct 2013Aug 2025 Wind
Franklin 1CD US Solar MT 2 LLCWrentham, MA4 GWhOct 2013Dec 2024 Solar
BrockelmanIntegrys MA Solar, LLCLancaster, MA5 GWhOct 2013Dec 2024 Solar
Orono BBrookfield Black Bear Hydro, LLCOrono, ME21 GWhOct 2013Dec 2024 Water
Quittacas Pond SolarConsolidated Edison Solutions Inc.Rochester, MA5 GWhNov 2013Dec 2024 Solar
Marshfield PVTerraform ArcadiaMarshfield, MA5 GWhNov 2013Dec 2024 Solar
Bridgeport Fuel Cell, LLCBridgeport Fuel Cell, LLCBridgeport, CT97 GWhNov 2013Dec 2024 Natural Gas
Somers Solar Center, LLCOnward EnergySomers, CT9 GWhNov 2013Dec 2024 Solar
Merrimac SolarConsolidated Edison Development Inc.Merrimac, MA2 GWhNov 2013Dec 2024 Solar
Forbes Street SolarAltus Power America Management, LLCEast Providence, RI4 GWhNov 2013Dec 2024 Solar
Limerick Road Solar FarmLimerick Road Solar, LLCShelburne, VT3 GWhNov 2013Dec 2024 Solar
Sudbury LandfillHeliovaas LLCSudbury, MA2 GWhNov 2013Dec 2024 Solar
Integrys MA Solar, LLC - Ashburnham SiteIntegrys MA Solar, LLCAshburnham, MA3 GWhNov 2013Dec 2024 Solar
Brookfield Solar 2013 LLCCVI CleanCapital Solar 6North Brookfield, MA2 GWhNov 2013Dec 2024 Solar
Bolton PVAES Distributed EnergyBolton, MA7 GWhNov 2013Dec 2024 Solar
Stow PVAES Distributed EnergyStow, MA2 GWhNov 2013Dec 2024 Solar
Rehoboth SolarCitizens Enterprises CorporationRehoboth, MA3 GWhNov 2013Dec 2024 Solar
Chicopee SolarCitizens Enterprises CorporationChicopee, MA5 GWhNov 2013Dec 2024 Solar
RavenbrookCaptona Ravenbrook LLCCarver, MA7 GWhNov 2013Dec 2024 Solar
West Davisville SolarAltus Power America Management, LLCNorth Kingstown, RI3 GWhNov 2013Dec 2024 Solar
Leominster (MA)-South Street-R&DSouth Street Solar, LLCTewksbury, MA3 GWhNov 2013Dec 2024 Solar
Lowell Solar LandfillHeliovaas LLCLowell, MA1 GWhNov 2013Dec 2024 Solar
Rockland Solar CSGMN8 Energy LLCRockland, MA2 GWhNov 2013Dec 2024 Solar
Franklin 2CD US Solar MT 2 LLCFranklin, MA5 GWhNov 2013Dec 2024 Solar
Morin Solar 2013 LLCCVI CleanCapital Solar 6Warren, MA5 GWhNov 2013Dec 2024 Solar
Plainfield Renewable Energy LLCPlainfield Renewable Energy, LLCPlainfield, CT247 GWhNov 2013Oct 2024 Wood/Wood Waste Solids : 99.5% Other Biomass Liquids : 0.5%
Erving Paper MillsErving Paper Mills IncErving, MA42 GWhNov 2013Aug 2025 Natural Gas : 98.4% Distillate Fuel Oil : 1.6%
St. Albans SPEED ProjectSt. Albans Solar Partners, LLCSt. Albans, VT2 GWhNov 2013Dec 2024 Solar
Acton Solar LandfillHeliovaas LLCActon, MA2 GWhNov 2013Nov 2024 Solar
KS Solar Six LLCKearsarge Solar LLCHubbardston, MA3 GWhNov 2013Dec 2024 Solar
Maynard PVTerraform ArcadiaMaynard, MA1 GWhDec 2013Dec 2024 Solar
Southbridge PVTerraform ArcadiaSouthbridge, MA4 GWhDec 2013Dec 2024 Solar
Cape Cod Air Force Station - 6 SWSUS Air ForceSagamore, MA4 GWhDec 2013Aug 2025 Wind
Little BayAltus Power America Management, LLCProvidence, RI2 GWhFeb 2014Dec 2024 Solar
Millbury SolarEvergreen Wind, LLCMillbury, MA4 GWhMar 2014Dec 2024 Solar
DartmouthMass Solar, LLCDartmouth, MA8 GWhMar 2014Dec 2024 Solar
Walpole Solar 2Walpole Solar 2, LLCWalpole, MA3 GWhMar 2014Dec 2024 Solar
Concord Solar FarmKearsarge Solar LLCConcord, MA2 GWhMar 2014Dec 2024 Solar
Barre II Solar ProjectKearsarge Solar LLCBarre, MA2 GWhMar 2014Dec 2024 Solar
Browne Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2024 Solar
Indian Hill Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA2 GWhMar 2014Dec 2024 Solar
State Street Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2024 Solar
Westborough Solar LLCSunRay Power LLCWestborough, MA2 GWhMar 2014Dec 2024 Solar
Winchendon SolarAltus Power America Management, LLCWinchendon, MA2 GWhMar 2014Dec 2024 Solar
Green MeadowsAltus Power America Management, LLCSandwich, MA5 GWhApr 2014Dec 2024 Solar
Mass Midstate Solar 3Evergreen Wind, LLCWarren, MA6 GWhApr 2014Dec 2024 Solar
Mass Midstate Solar 2Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2024 Solar
Mass Midstate Solar 1Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2024 Solar
Cottage Street Solar FacilityWestern Massachusetts Electric CompanySpringfield, MA3 GWhApr 2014Aug 2025 Solar
Tihonet SolarConsolidated Edison Solutions Inc.Wareham, MA2 GWhApr 2014Dec 2024 Solar
Gardner Solar 1Gardner Solar 1, LLCGardner, MA3 GWhApr 2014Dec 2024 Solar
Stetson Road Solar - Barre IKearsarge Solar LLCBarre, MA3 GWhApr 2014Dec 2024 Solar
BeverlyIntegrys MA Solar, LLCBeverly, MA3 GWhApr 2014Dec 2024 Solar
201 Sturbridge BAltus Power America Management, LLCBrimfield, MA2 GWhMay 2014Dec 2024 Solar
205 Sturbridge AAltus Power America Management, LLCBrimfield, MA3 GWhMay 2014Dec 2024 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2024 Solar
Southern Sky Renew Energy Berkley LLCSouthern Sky Renewable Energy Berkley, LLCBerkley, MA3 GWhMay 2014Dec 2024 Solar
Antares-GRE 314 East Lyme LLCMN8 Energy LLCEast Lyme, CT4 GWhMay 2014Aug 2025 Solar
Hartford Landfill Solar EGFMaterials Innovation Recycling AuthorityHartford, CT1 GWhMay 2014Dec 2024 Solar
North BrookfieldMass Solar, LLCNorth Brookfield, MA4 GWhMay 2014Dec 2024 Solar
Fairview Farms SolarNuGen Capital ManagementWhately, MA3 GWhMay 2014Dec 2024 Solar
Ayers Village SolarAltus Power America Management, LLCMethuen, MA3 GWhMay 2014Dec 2024 Solar
651 Chase Solar NGNuGen Capital ManagementLunenburg, MA4 GWhMay 2014Dec 2024 Solar
Katama FarmClean Focus Yield, LLCEdgartown, MA1 GWhMay 2014Dec 2024 Solar
NunnepogClean Focus Yield, LLCEdgartown, MA2 GWhMay 2014Dec 2024 Solar
DevensAltus Power America Management, LLCShirley, MA5 GWhMay 2014Dec 2024 Solar
Lepomis PV Energy LLCCleanCapital HoldingsPlymouth, MA8 GWhMay 2014Dec 2024 Solar
Claire Solar FarmClaire Solar Partners LLCSouth Burlington, VT4 GWhJun 2014Dec 2024 Solar
OxfordCVI CleanCapital Solar 6Oxford, MA4 GWhJun 2014Dec 2024 Solar
Upper Blackstone (MA) Treasure ValleyNexamp Treasure Valley Solar, LLCRutland, MA7 GWhJun 2014Dec 2024 Solar
New Bedford (MA) PlymouthBWC Origination 4, LLCPlymouth, MA7 GWhJun 2014Dec 2024 Solar
Stone Hill Solar CSGMN8 Energy LLCNorth Easton, MA3 GWhJun 2014Dec 2024 Solar
Charlotte Solar LLC VTAltus Power America Management, LLCCharlotte, VT3 GWhJun 2014Dec 2024 Solar
EDF LancasterCleanCapital HoldingsLancaster, MA6 GWhJun 2014Dec 2024 Solar
Monson SolarAltus Power America Management, LLCMonson, MA4 GWhJun 2014Dec 2024 Solar
Tisbury Landfill SolarClean Focus Yield, LLCTisbury, MA2 GWhJun 2014Dec 2024 Solar
265 Pleasant Solar NG, LLCNuGen Capital ManagementLunenburg, MA1 GWhJun 2014Dec 2024 Solar
Hadley Solar NG, LLCNuGen Capital ManagementHadley, MA3 GWhJun 2014Dec 2024 Solar
Clarendon Solar FarmClarendon Solar Farm, LLCNorth Clarendon, VT3 GWhJun 2014Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator187.5 TWh2,075
#8Tennessee Valley Authority160.9 TWh204
#10Florida Power & Light Co.149.7 TWh187
#12New York Independent System Operator131.5 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#14ISO New England104.5 TWh1,577
#16Bonneville Power Administration80.6 TWh163
#17Duke Energy Progress East64.1 TWh559
#18PacifiCorp East60.3 TWh216
#19Salt River Project Agricultural Improvement and Power District60.3 TWh48