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

List of All ISO New England Power Plants

Displaying Results 401 to 500 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Saint Albans SolarCypress Creek RenewablesGeorgia, VT8 GWhSep 2018Dec 2024 Solar
Unity SolarMadison Energy Holdings LLCUnity, ME8 GWhNov 2021Dec 2024 Solar
Fox Island Wind LLCFox Island Wind LLCVinalhaven, ME8 GWhOct 2009Dec 2024 Wind
BWC Origination 18BWC Origination 18, LLCMattapoisett, MA8 GWhNov 2018Dec 2024 Solar
Federal Road Solar 1, LLC CSGFederal Road Solar 1, LLCSouth Carver, MA8 GWhNov 2015Dec 2024 Solar
Farmingdale FA01Nautilus Solar SolutionsFarmingdale, ME8 GWhMay 2022Dec 2024 Solar
Annese Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA8 GWhNov 2020Dec 2024 Solar
GSPP 7024 Fox Rd, LLCGreen Street Power PartnersMarcy, NY8 GWhApr 2023Dec 2024 Solar
Rowe (CSG)AES Distributed EnergyOlean, NY8 GWhOct 2021Dec 2024 Solar
Bradford SolarBradford Solar, LLCHaverhill, MA8 GWhMar 2017Dec 2024 Solar
Sabattus SB01Nautilus Solar SolutionsSabattus, ME8 GWhSep 2023Dec 2024 Solar
BWC Beech Ridge Brook, LLCNavisun LLCScarborough, ME8 GWhApr 2023Dec 2024 Solar
Plympton Main Street Solar, LLCREA Investments, LLCPlympton, MA8 GWhNov 2023Dec 2024 Solar
Pendleton Solar 1Pendleton Solar 1, LLCLockport, NY8 GWhSep 2020Dec 2024 Solar
ME-EDFR-Phase I-EmbdenTower Solar Partners, LLCEmbden, ME8 GWhNov 2023Dec 2024 Solar
1639 RT 29 Solar 11639 RT 29 Solar 1, LLCGloversville, NY8 GWhNov 2020Dec 2024 Solar
10 Briggs Solar NG, LLC (East)NuGen Capital ManagementEast Greenwich, RI7 GWhMay 2021Dec 2024 Solar
McDougle-Mitchell Solar Project Hybrid CAES Distributed EnergyCharlton, MA7 GWhJul 2020Dec 2024 Solar
Westport B Community Solar GardenBWC Hamilton Brook LLCWestport, MA7 GWhOct 2018Dec 2024 Solar
BD Solar Hancock LLCBD Solar Hancock LLCAugusta, ME7 GWhMay 2022Dec 2024 Solar
Townline Community SolarAES Distributed EnergyBatavia, NY7 GWhJan 2022Dec 2024 Solar
WesthamptonSunrise on Montague Rd. LLCWesthampton, MA7 GWhNov 2020Dec 2024 Solar
Pembroke HydroEagle Creek Renewable Energy, LLCSuncook, NH7 GWhNov 1985Dec 2024 Water
Kearsarge William WayKearsarge William Way LLCBellingham, MA7 GWhNov 2021Dec 2024 Solar
Syncarpha Palmer, LLCSyncarpha Palmer, LLCPalmer, MA7 GWhNov 2015Dec 2024 Solar
New MarlboroughSunrise on Knight Rd. LLCNew Marlborough, MA7 GWhMay 2021Dec 2024 Solar
Elizabeth Mines Solar 1Elizabeth Mines Solar 1, LLCSo. Strafford, VT7 GWhOct 2017Dec 2024 Solar
WED Shun I, LLCWED Shun I, LLCJohnston, RI7 GWhDec 2018Aug 2025 Wind
White Rock Road LLCWhite Rock Road LLCWesterly, RI7 GWhNov 2022Dec 2024 Solar
Knapp East (CSG)AES Distributed EnergyAkron, NY7 GWhNov 2021Dec 2024 Solar
East Brookfield Adams Road Solar LLC CSGEast Brookfield Adams Road Solar LLCEast Brookfield, MA7 GWhMay 2021Dec 2023 Solar
Wesleyan University Cogen 1Wesleyan UniversityMiddletown, CT7 GWhJan 2009Dec 2024 Natural Gas
StandishNautilus Solar SolutionsStandish, ME7 GWhSep 2023Dec 2024 Solar
Mass Midstate Solar 2Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2024 Solar
Upper Blackstone (MA) Treasure ValleyNexamp Treasure Valley Solar, LLCRutland, MA7 GWhJun 2014Dec 2024 Solar
GMP Solar - HartfordGreen Mountain Power CorpHartford, VT7 GWhNov 2016Aug 2025 Solar
Mass Midstate Solar 1Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2024 Solar
Hunt Road SolarCitizens Enterprises CorporationAmesbury, MA7 GWhNov 2016Dec 2024 Solar
Pulpit HillLSE Fornax LLCAmherst, MA7 GWhJun 2019Dec 2024 Solar
MA CS Uxbridge Community SolarMA CS Uxbridge, LLCUxbridge, MA7 GWhJan 2023Dec 2024 Solar
Plymouth Site 1CleanCapital HoldingsPlympton, MA7 GWhSep 2013Dec 2024 Solar
Skyline SolarSoCore Energy LLCLanesborough, MA7 GWhAug 2022Dec 2024 Solar
GMP Solar - WilliamstownGreen Mountain Power CorpWilliamstown, VT7 GWhNov 2016Aug 2025 Solar
Kearsarge MontagueKearsarge Montague LLCMontague, MA7 GWhMay 2018Dec 2024 Solar
International Paper Jay HydroEagle Creek Renewable Energy, LLCJay, ME7 GWhDec 1911Dec 2024 Water
SCS Harpswell 012903 Brunswick, LLCArevon Energy, Inc.Brunswick, ME7 GWhOct 2022Dec 2024 Solar
Solten Plainville 6000, LLCAltus Power America Management, LLCPlainville, MA7 GWhJul 2017Dec 2024 Solar
Sanford -NYNautilus Solar SolutionsSanford, ME7 GWhJan 2024Dec 2024 Solar
GMP Solar/Storage-Essex HybridGreen Mountain Power CorpEssex, VT7 GWhAug 2019Aug 2025 Solar : 97.9% Electricity used for energy storage : 2.1%
Brookwood Drive Community SolarAES Distributed EnergyWestport, MA7 GWhJul 2022Dec 2024 Solar
Goose Pond SolarLSE Dorado, LLCSouthwick, MA7 GWhDec 2019Dec 2024 Solar
Treasure Lane Solar 1AES Clean EnergyManchester, ME7 GWhApr 2023Dec 2024 Solar
Bolton PVAES Distributed EnergyBolton, MA7 GWhNov 2013Dec 2024 Solar
NBC Field's Point Wind FarmNarragansett Bay CommissionProvidence, RI7 GWhSep 2012Aug 2025 Wind
Water Street SolarAES Distributed EnergyRandolph, ME7 GWhNov 2022Dec 2024 Solar
New Bedford (MA) PlymouthBWC Origination 4, LLCPlymouth, MA7 GWhJun 2014Dec 2024 Solar
Stillwater Hydro StationBrookfield Black Bear Hydro, LLCStillwater, ME7 GWhDec 1912Dec 2024 Water
Knapp West(CSG)AES Distributed EnergyAkron, NY7 GWhNov 2021Dec 2024 Solar
Milo CSGMilo CSG, LLCMilo, ME7 GWhJan 2022Dec 2024 Solar
Amherst College Co GenAmherst CollegeAmherst, MA7 GWhOct 2006Dec 2024 Natural Gas
ME-EDFR-Phase I-WoolwichGreen Mile Solar, LLCWoolwich, ME7 GWhAug 2023Dec 2024 Solar
3232 Batavia Solar3232 Batavia Solar, LLCBatavia, NY7 GWhFeb 2021Dec 2024 Solar
Lewiston Junction Road SolarNextGrid Peppertree, LLCPoland, ME7 GWhDec 2021Dec 2024 Solar
Hartland SolarMadison Energy Holdings LLCHartland, ME7 GWhNov 2021Dec 2024 Solar
West CharlestonBarton Village, IncWest Charleston, VT7 GWhJun 1931Dec 2024 Water
RavenbrookCaptona Ravenbrook LLCCarver, MA7 GWhNov 2013Dec 2024 Solar
Iron Horse Solar 4, LLCIron Horse Solar 4, LLCNorth Billerica, MA7 GWhMay 2017Dec 2024 Solar
Kearsarge Concord IIKearsarge Concord II LLCConcord, MA7 GWhDec 2016Dec 2024 Solar
OverlookWestbound Solar 3, LLCWestminster, MA7 GWhFeb 2023Dec 2024 Solar
Collins FacilityRelevate Power Management LLCWilbraham, MA7 GWhFeb 1985Dec 2023 Water
Amaterasu LLCAES Distributed EnergyLancaster, MA7 GWhMay 2021Dec 2024 Solar
WED Green Hill, LLCWED Green Hill, LLCJohnston, RI7 GWhDec 2018Aug 2025 Wind
Ashland SolarCitizens Enterprises CorporationAshland, MA7 GWhNov 2019Dec 2024 Solar
ZPD-PT Solar Project 2017-038 Hybrid LLCAES Distributed EnergyLancaster, MA7 GWhMar 2021Dec 2024 Solar
Middleton Solar ParkHG Solar Development, LLCMiddleton, MA7 GWhMay 2018Dec 2024 Solar
CED Northampton Solar LLC HybridConsolidated Edison Development Inc.Northampton, MA7 GWhNov 2019Dec 2024 Solar
CES Agawam Tuckahoe Solar HybridCES Agawam Tuckahoe Solar LLCAgawam, MA7 GWhNov 2021Dec 2024 Solar
Athens AT01Nautilus Solar SolutionsAthens, ME7 GWhMay 2022Dec 2024 Solar
DG Crystal Spring CSGDG Crystal Spring LLCMattapoisett, MA7 GWhJun 2017Dec 2024 Solar
Breckenridge SolarBreckenridge Street Solar 1, LLCPalmer, MA7 GWhOct 2020Dec 2024 Solar
ShafferCD US Solar MT3, LLCBillerica, MA7 GWhAug 2014Dec 2024 Solar
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA7 GWhOct 2022Dec 2024 Solar
Maple(CSG)Maple Street Solar 1, LLCBellingham, MA7 GWhOct 2021Dec 2024 Solar
Barefoot SolarMadison Energy Investments LLCFairfiled, ME7 GWhNov 2022Dec 2024 Solar
WED Shun III, LLCWED Shun III, LLCJohnston, RI7 GWhDec 2018Dec 2024 Wind
Old Wardour SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2024 Solar
Vuelta SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2024 Solar
WilliamsburgAES Distributed EnergyGoshen, MA7 GWhJun 2019Dec 2024 Solar
Scotland DamFirstLight Power Resources Services LLCWindham, CT7 GWhDec 1936Dec 2024 Water
North GorhamBrookfield White Pine Hydro LLCGorham, ME7 GWhDec 1924Dec 2024 Water
Kearsarge WesterlyKearsarge Westerly LLCWesterly, RI7 GWhNov 2020Dec 2024 Solar
Brattleboro (Windham Landfill)Greenbacker Renewable Energy CorporationBrattleboro, VT7 GWhJul 2018Dec 2024 Solar
Merrill Road SolarNextGrid Mangrove, LLCLewiston, ME7 GWhFeb 2022Dec 2024 Solar
Messalonskee 3Messalonskee Stream Hydro LLCOakland, ME7 GWhDec 1917Dec 2024 Water
ShakerNautilus Solar SolutionsGray, ME6 GWhJun 2022Dec 2024 Solar
Sunpin BlandfordBlandford Sun, LLCSouthwick, MA6 GWhMay 2020Dec 2024 Solar
CanaanCentral Rivers Power NH, LLCCanaan, VT6 GWhJul 1927Dec 2024 Water
WED Shun II, LLCWED Shun II, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
Belchertown Renewables Community SolarBelchertown Renewables, LLCBelchertown, MA6 GWhFeb 2018Dec 2024 Solar
Wells (ME)Nautilus Solar SolutionsWells, ME6 GWhJun 2022Dec 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