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 201 to 300 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Treasure Lane Solar 1AES Clean EnergyManchester, ME8 GWhApr 2023Dec 2025 Solar
TPE RI WA2 SolarTPE RI WA2, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
TPE RI WA1 SolarTPE RI WA1, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
TPE King Solar Holdings1, LLC (CSG)Nautilus Solar SolutionsNorth Smithfield, RI18 GWhMar 2022Dec 2025 Solar
Townline Community SolarAES Distributed EnergyBatavia, NY7 GWhJan 2022Dec 2025 Solar
Town of Ware - Canadian Tree(CSG)MA CS Ware West, LLCWare, MA2 GWhNov 2021Dec 2024 Solar
Town of Uxbridge MA at Commerce DrLuminace Solar Net Metering, LLCUxbridge, MA2 GWhMay 2012Dec 2025 Solar
Town of Rocky Hill PV CSGTesla Inc.Rocky Hill, CT5 GWhFeb 2018Dec 2025 Solar
Town of Norfolk MA at Medway BranchLuminace Solar Massachusetts, LLCNorfolk, MA2 GWhMay 2012Dec 2025 Solar
Town of Needham VNEM CSGTesla Inc.Needham, MA4 GWhJan 2016Dec 2025 Solar
Town of Lexington SolarSyncarpha Lexington, LLCLexington, MA3 GWhApr 2017Dec 2025 Solar
Town of HalfmoonTesla Inc.Waterford, NY1 GWhMay 2017Dec 2024 Solar
Town of Foxborough - Landfill (SREC II)Town of Foxborough - Landfill (SREC II)Foxborough, MA2 GWhJul 2017Dec 2025 Solar
Town of East Bridgewater CSGTesla Inc.East Bridgewater, MA1 GWhMay 2013Dec 2025 Solar
Town of Burrillville Solar CSGStandard SolarBurrillville, RI7 GWhSep 2020Dec 2025 Solar
Town of BranfordTesla Inc.Branford, CT2 GWhMay 2018Dec 2025 Solar
Town of Amherst SolarAgilitas Energy, Inc.Amherst, MA4 GWhJul 2022Dec 2025 Solar
Town HouseNautilus Solar SolutionsChelsea, ME8 GWhNov 2022Dec 2025 Solar
Torrington Solar One, LLCDG Connecticut III, LLCTorrington, CT3 GWhFeb 2021Dec 2025 Solar
TorringtonConnecticut Jet Power LLCTorrington, CT277 MWhOct 1967Dec 2025 Kerosene
Toray Plastic America's CHP PlantToray Plastics AmericaNorth Kingstown, RI157 GWhDec 2002Dec 2025 Natural Gas
Tolland Solar NG LLCNuGen Capital ManagementTolland, MA5 GWhSep 2014Dec 2025 Solar
TollandSunrise on Clubhouse Rd. LLCTolland, MA8 GWhNov 2020Dec 2024 Solar
Tiverton Power PlantTiverton Power LLCTiverton, RI2 TWhFeb 2000Dec 2025 Natural Gas
Tisbury Landfill SolarClean Focus Yield, LLCTisbury, MA2 GWhJun 2014Dec 2025 Solar
Tihonet SolarRWE Clean EnergyWareham, MA2 GWhApr 2014Dec 2025 Solar
Ticket Network South WindsorPowerflexSouth Windsor, CT2 GWhApr 2018Dec 2024 Solar
Thundermist HydroCity of Woonsocket - (RI)Providence, RI3 GWhMay 1981Jul 2025 Water
Three Rivers Solar LLCASD Three Rivers Road MA Solar LLCWilbraham, MA154 MWhOct 2024Dec 2024 Solar
Three Corners SolarThree Corners Solar, LLCUnity, ME197 GWhJun 2024May 2026 Solar
Theodore Drive Community SolarTheodore Drive Solar, LLCWestminster, MA2 GWhFeb 2018Dec 2025 Solar
Texon Hydroelectric ProjectHitchcock Hydro, LLCRussell, MA4 GWhDec 1981Dec 2025 Water
TES RowtierSkyHigh 2 SolarWestminster, MA10 GWhMar 2021Dec 2025 Solar
Tenth StreetCity of Norwich - (CT)Norwich, CT2 GWhApr 1967Dec 2025 Water
TempletonSunny Templeton, LLCTempleton, MA2 GWhNov 2014Dec 2025 Solar
Technology Drive SolarRWE Clean EnergyBrattleboro, VT3 GWhAug 2014Dec 2025 Solar
Tank Farm 4Solar Breakers LLCPortsmouth, RI13 GWhSep 2022Dec 2025 Solar
Tanglewood Circle Solar 1 LLCTanglewood Circle Solar 1 LLCBecket, MA7 GWhOct 2018Dec 2025 Solar
TaftvilleFirstLight Power Resources Services LLCTaftville, CT2 GWhDec 1905Dec 2025 Water
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA6 GWhOct 2022Dec 2025 Solar
Syncarpha Tewksbury Hybrid CSGSyncarpha Tewksbury, LLCTewksbury, MA4 GWhJan 2022Dec 2025 Solar
Syncarpha Still River, LLC CSGSyncarpha Still River, LLCBolton, MA4 GWhNov 2016Dec 2025 Solar
Syncarpha Puddon II Hybrid CSGSyncarpha Puddon II, LLCNorthbridge, MA8 GWhFeb 2021Dec 2025 Solar
Syncarpha Puddon I Hybrid CSGSyncarpha Puddon I, LLCNorthbridge, MA8 GWhFeb 2021Dec 2025 Solar
Syncarpha Palmer, LLCSyncarpha Palmer, LLCPalmer, MA7 GWhNov 2015Dec 2025 Solar
Syncarpha Northbridge II Hybrid CSGSyncarpha Northbridge II, LLCWhitinsville, MA8 GWhMar 2021Dec 2025 Solar
Syncarpha Northbridge I Hybrid(CSG)Syncarpha Northbridge I, LLCWhitinsville, MA8 GWhNov 2021Dec 2025 Solar
Syncarpha Northampton Hybrid CSGSyncarpha Northampton, LLCNorthampton, MA5 GWhNov 2020Dec 2025 Solar
Syncarpha Millbury Hybrid (CSG)Syncarpha Millbury, LLCMillbury, MA8 GWhSep 2022Dec 2025 Solar
Syncarpha Leicester Hybrid CSGSyncarpha Leicester, LLCLeicester, MA4 GWhMay 2021Dec 2025 Solar
Syncarpha Hancock III CSGSyncarpha Hancock III, LLCPittsfield, MA1 GWhOct 2017Dec 2025 Solar
Syncarpha Hancock II CSGSyncarpha Hancock II, LLCHancock, MA3 GWhOct 2017Dec 2025 Solar
Syncarpha Hancock I CSGSyncarpha Hancock I, LLCHancock, MA3 GWhOct 2017Dec 2025 Solar
Syncarpha Halifax Hybrid CSGSyncarpha Halifax, LLCHalifax, MA3 GWhNov 2020Dec 2025 Solar
Syncarpha FreetownMarie's Way Solar I, LLCFreetown, MA6 GWhOct 2016Dec 2025 Solar
Syncarpha Blandford Hybrid CSGSyncarpha Blandford, LLCBlandford, MA8 GWhNov 2019Dec 2025 Solar
Sydney SolarEcos Energy LLCHampton, CT3 GWhMay 2020Dec 2025 Solar
Swaggertown Solar IIGreen Street Power PartnersGlenville, NY7 GWhAug 2024Dec 2025 Solar
Swaggertown Solar IGreen Street Power PartnersGlenville, NY4 GWhOct 2024Dec 2025 Solar
SVEP Solar Project CompanyCVI CleanCapital Solar 1 LLCPownal, VT2 GWhNov 2012Dec 2025 Solar
Sutton Solar CSGSutton Solar, LLCSutton, MA3 GWhOct 2016Dec 2025 Solar
Sutton Solar 2, LLC CSGSutton Solar 2, LLCSutton, MA1 GWhNov 2020Dec 2025 Solar
Sunpin BlandfordBlandford Sun, LLCSouthwick, MA6 GWhMay 2020Dec 2025 Solar
SunGen Sharon 1 LLCSunGen Sharon 1 LLCSharon, VT2 GWhJul 2012Dec 2025 Solar
Sunderland Solar PVNSTAR Electric CompanySunderland, MA2 GWhAug 2018Dec 2025 Solar
Sullivan SolarAltus Power America Management, LLCNew Bedford, MA2 GWhJul 2014Dec 2025 Solar
Sugar Hill Solar 1Sugar Hill Solar 1, LLCClifton Park, NY8 GWhNov 2020Dec 2025 Solar
Sudbury SolarEcos Energy LLCSudbury, VT2 GWhApr 2016Dec 2025 Solar
Sudbury LandfillHeliovaas LLCSudbury, MA1 GWhNov 2013Dec 2025 Solar
Subase Microgrid ProjectConnecticut Mun Elec Engy CoopGroton, CT30 GWhNov 2022Dec 2025 Natural Gas
Sturbridge BarnLSE Ara LLCCharlton, MA2 GWhMay 2018Dec 2025 Solar
Stow PVAES Distributed EnergyStow, MA3 GWhNov 2013Dec 2025 Solar
Stony BrookMassachusetts Mun Wholes Electric CoLudlow, MA164 GWhOct 1981May 2026 Distillate Fuel Oil : 61.3% Natural Gas : 38.7%
Stone Hill Solar CSGMN8 Energy LLCNorth Easton, MA2 GWhJun 2014Dec 2025 Solar
Stillwater Hydro StationBrookfield Black Bear Hydro, LLCStillwater, ME6 GWhDec 1912Dec 2025 Water
Stillwater BBrookfield Black Bear Hydro, LLCOld Town, ME9 GWhAug 2013Dec 2025 Water
StevensonFirstLight Power Resources Services LLCMonroe, CT71 GWhDec 1918Dec 2025 Water
Stevens Mills DamEagle Creek Renewable Energy, LLCFranklin, NH4 GWhMay 1982Dec 2025 Water
Stetson Wind IIEvergreen Wind, LLCDanforth, ME55 GWhFeb 2010Dec 2025 Wind
Stetson Wind IEvergreen Wind, LLCDanforth, ME146 GWhDec 2008Dec 2025 Wind
Stetson Road Solar - Barre IKearsarge Solar LLCBarre, MA2 GWhApr 2014Dec 2025 Solar
State Street Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2025 Solar
Stanley Black & DeckerOnyx Asset Services GroupEast Longmeadow, MA6 MWhNov 2025Dec 2025 Solar
StandishNautilus Solar SolutionsStandish, ME7 GWhSep 2023Dec 2025 Solar
Stamford Health Tully Health CenterStamford Health Tully Health CenterStamford, CT5 GWhApr 2002Dec 2025 Natural Gas
Stafford St Solar 3 CSGStafford St Solar 3, LLCLeicester, MA2 GWhNov 2017Dec 2024 Solar
Stafford St Solar 1 CSGStafford St Solar 1, LLCLeicester, MA4 GWhNov 2017Dec 2024 Solar
Stafford St 2 Community SolarStafford St Solar 2, LLCLecister, MA4 GWhApr 2018Dec 2024 Solar
Stafford MS Ground Mount Community SolarTown of Stafford - (CT)Stafford, CT3 GWhJun 2016Dec 2025 Solar
Stafford Hill Solar HybridGreen Mountain Power CorpRutland, VT390 MWhFeb 2015May 2026 Solar
St. Joseph's Solar, LLC CSG38 Degrees North, LLCCharlton, MA2 GWhNov 2017Dec 2025 Solar
St. Albans SPEED ProjectSt. Albans Solar Partners, LLCSt. Albans, VT2 GWhNov 2013Dec 2024 Solar
SR North StoningtonSR North Stonington, LLCNorth Stonington, CT15 GWhFeb 2024Dec 2025 Solar
SR LitchfieldSR Litchfield, LLCLitchfield, CT26 GWhJan 2025Dec 2025 Solar
Spruce Mountain WIndCPV Spruce Mountain Wind LLCBryant Pond, ME53 GWhNov 2011Dec 2025 Wind
Springfield Solar PVNSTAR Electric CompanySpringfield, MA6 GWhDec 2018Dec 2025 Solar
Spring Street Solar 1 CSGSpring Street Solar 1, LLCCarver, MA3 GWhFeb 2017Dec 2024 Solar
Spring Hill RoadAES Distributed EnergyBarre, MA243 MWhNov 2015May 2026 Solar
Spencer Solar MACitizens Enterprises CorporationSpencer, MA4 GWhFeb 2020Dec 2025 Solar
SP-339 Mechanic FallsMadison Energy Investments LLCMechanic Falls, ME1 GWhNov 2024Dec 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