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 401 to 500 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Goodwin HydroelectricMetropolitan Dist of HartfordW. Hartland, CT8 GWhMar 1986Oct 2025 Water
ME-EDFR-Phase I-WoolwichGreen Mile Solar, LLCWoolwich, ME8 GWhAug 2023Dec 2025 Solar
Sanford CGANautilus Solar SolutionsSanford, ME8 GWhMay 2022Dec 2025 Solar
Beacon Solar, LLCAgilitas Energy, Inc.Easthampton, MA8 GWhOct 2022Dec 2025 Solar
WED Shun III, LLCWED Shun III, LLCJohnston, RI8 GWhDec 2018Dec 2025 Wind
MD - EDFR - Phase II - LewistonHayworth Solar Partners, LLCLewiston, ME8 GWhOct 2024Dec 2025 Solar
Gregg FallsEagle Creek Renewable Energy, LLCGoffstown, NH8 GWhNov 1985Dec 2025 Water
Rowe (CSG)AES Distributed EnergyOlean, NY8 GWhOct 2021Dec 2025 Solar
Sabattus SB01Nautilus Solar SolutionsSabattus, ME8 GWhSep 2023Dec 2025 Solar
Vergennes 9Green Mountain Power CorpVergennes, VT8 GWhDec 1911Dec 2025 Water
10 Briggs Solar NG, LLC (East)NuGen Capital ManagementEast Greenwich, RI8 GWhMay 2021Dec 2025 Solar
Lepomis PV Energy LLCCleanCapital HoldingsPlymouth, MA8 GWhMay 2014Dec 2025 Solar
Dennis LandfillClean Focus Yield, LLCDennis, MA8 GWhAug 2014Dec 2025 Solar
GSPP 409 Ferris RoadGreen Street Power PartnersLawrence, NY8 GWhNov 2024Dec 2025 Solar
WED Plainfield II, LLCWED Plainfield II, LLCJohnston, RI8 GWhDec 2018Dec 2025 Wind
BWC Beech Ridge Brook, LLCNavisun LLCScarborough, ME8 GWhApr 2023Dec 2025 Solar
Treasure Lane Solar 1AES Clean EnergyManchester, ME8 GWhApr 2023Dec 2025 Solar
Cenergy - PulkBAP Grounded 2 LLCSabattus, ME8 GWhNov 2024Dec 2025 Solar
Syncarpha Northbridge II Hybrid CSGSyncarpha Northbridge II, LLCWhitinsville, MA8 GWhMar 2021Dec 2025 Solar
WED Coventry 6Greenbacker Renewable Energy CorporationCoventry, RI8 GWhJul 2016May 2026 Wind
Bradford SolarBradford Solar, LLCHaverhill, MA8 GWhMar 2017Dec 2024 Solar
Route 3 China Solar, LLCREA Investments, LLCChina, ME8 GWhNov 2022Dec 2025 Solar
W. Orange Rd Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2025 Solar
5 BerryMadison Energy Investments LLCPlainsville, MA8 GWhAug 2023Dec 2025 Solar
ME - EDF - Phase II - BelfastShining Solar Partners, LLCBelfast, ME8 GWhAug 2024Dec 2025 Solar
ZPD-PT Solar Project 2017-038 Hybrid LLCAES Distributed EnergyLancaster, MA8 GWhMar 2021Dec 2025 Solar
DudleyAMP MA DudleyDudley, MA8 GWhJun 2018Dec 2025 Solar
PittsfordGreen Mountain Power CorpPittsford, VT8 GWhJan 1914Dec 2025 Water
Townline Community SolarAES Distributed EnergyBatavia, NY7 GWhJan 2022Dec 2025 Solar
28 Livermore Hill Road Solar28 Livermore Hill Road Solar, LLCWestminster, MA7 GWhMay 2020Dec 2025 Solar
Knapp East (CSG)AES Distributed EnergyAkron, NY7 GWhNov 2021Dec 2025 Solar
Plymouth Site 1CleanCapital HoldingsPlympton, MA7 GWhSep 2013Dec 2025 Solar
Indian Orchard Plant 1Solutia Inc-IndianSpringfield, MA7 GWhApr 1985May 2026 Natural Gas
BWC Unity Pond LLCNavisun LLCBenton, ME7 GWhNov 2023Dec 2025 Solar
WesthamptonSunrise on Montague Rd. LLCWesthampton, MA7 GWhNov 2020Dec 2024 Solar
Plympton Main Street Solar, LLCREA Investments, LLCPlympton, MA7 GWhNov 2023Dec 2025 Solar
New MarlboroughSunrise on Knight Rd. LLCNew Marlborough, MA7 GWhMay 2021Dec 2024 Solar
WED Shun II, LLCWED Shun II, LLCJohnston, RI7 GWhDec 2018Dec 2025 Wind
Arctaris Saddleback SolarArctaris Saddleback Solar, LLCDallas Plantation, ME7 GWhOct 2023Dec 2025 Solar
BWC Origination 18BWC Origination 18, LLCMattapoisett, MA7 GWhNov 2018Dec 2025 Solar
Golden Hills SolarGolden Hills Solar, LLCRutland, MA7 GWhAug 2017Dec 2025 Solar
SCS Harpswell 012903 Brunswick, LLCArevon Energy, Inc.Brunswick, ME7 GWhOct 2022Dec 2025 Solar
StandishNautilus Solar SolutionsStandish, ME7 GWhSep 2023Dec 2025 Solar
Pendleton Solar 1Pendleton Solar 1, LLCLockport, NY7 GWhSep 2020Dec 2025 Solar
Settlers SolarSettlers Solar, LLCLunenberg, MA7 GWhNov 2020Dec 2025 Solar
Kearsarge William WayKearsarge William Way LLCBellingham, MA7 GWhNov 2021Dec 2025 Solar
FarmingtonMadison Energy Investments LLCFarmington, ME7 GWhNov 2023Dec 2025 Solar
DG Haverhill CSGDG Haverhill LLCHaverhill, MA7 GWhAug 2017Dec 2025 Solar
WED Plainfield III, LLCWED Plainfield III, LLCJohnston, RI7 GWhDec 2018Dec 2025 Wind
Saint Albans SolarCypress Creek RenewablesGeorgia, VT7 GWhSep 2018Dec 2025 Solar
Pulpit HillLSE Fornax LLCAmherst, MA7 GWhJun 2019Dec 2025 Solar
Tanglewood Circle Solar 1 LLCTanglewood Circle Solar 1 LLCBecket, MA7 GWhOct 2018Dec 2025 Solar
WED Plainfield, LLCWED Plainfield, LLCJohnston, RI7 GWhDec 2018Dec 2025 Wind
WED Shun I, LLCWED Shun I, LLCJohnston, RI7 GWhDec 2018May 2026 Wind
Syncarpha Palmer, LLCSyncarpha Palmer, LLCPalmer, MA7 GWhNov 2015Dec 2025 Solar
Penobscot Narrows Solar IPenobscot Narrows Solar I LLCBucksport, ME7 GWhMay 2024Dec 2025 Solar
BroadheadMadison Energy Investments LLCWaterville, ME7 GWhFeb 2023Dec 2025 Solar
ME Novel Lighthouse - CarrabassettLuminace Sunbeam Development Holdings, LLCCarrabassett Valley, ME7 GWhNov 2023Dec 2025 Solar
Water Street SolarAES Distributed EnergyRandolph, ME7 GWhNov 2022Dec 2025 Solar
Clement Dam Hydro LLCEagle Creek Renewable Energy, LLCTilton, NH7 GWhNov 1984Oct 2025 Water
Mass Midstate Solar 1Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2025 Solar
Fisher Road SolarFisher Road Solar I, LLCDartmouth, MA7 GWhApr 2015Dec 2025 Solar
Iron Horse Solar 4, LLCIron Horse Solar 4, LLCNorth Billerica, MA7 GWhMay 2017Dec 2025 Solar
Athens AT01Nautilus Solar SolutionsAthens, ME7 GWhMay 2022Dec 2025 Solar
1639 RT 29 Solar 11639 RT 29 Solar 1, LLCGloversville, NY7 GWhNov 2020Dec 2025 Solar
Cobble MountainCity of Holyoke Gas and Elec Dept - (MA)Granville, MA7 GWhDec 1929Dec 2025 Water
Brewer (CSG)Nautilus Solar SolutionsBrewer, ME7 GWhJul 2024Dec 2025 Solar
DusenberryAES Distributed EnergyTroy, NY7 GWhNov 2021Dec 2025 Solar
Swaggertown Solar IIGreen Street Power PartnersGlenville, NY7 GWhAug 2024Dec 2025 Solar
CCSU Fuel Cell ProjectNew Britain Renewable Energy, LLCNew Britain, CT7 GWhMar 2012Dec 2025 Natural Gas
Amaterasu LLCAES Distributed EnergyLancaster, MA7 GWhMay 2021Dec 2025 Solar
GMP Solar/Storage-Milton HybridGreen Mountain Power CorpMilton, VT7 GWhAug 2019May 2026 Solar
New Bedford (MA) PlymouthBWC Origination 4, LLCPlymouth, MA7 GWhJun 2014Dec 2025 Solar
Mass Midstate Solar 2Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2025 Solar
Goose Pond SolarLSE Dorado, LLCSouthwick, MA7 GWhDec 2019Dec 2025 Solar
Hunt Road SolarCitizens Enterprises CorporationAmesbury, MA7 GWhNov 2016Dec 2025 Solar
Raffia Road Solar ProjectNJR Clean Energy Ventures CorporationEnfield, CT7 GWhNov 2024Dec 2025 Solar
GMP Solar - HartfordGreen Mountain Power CorpHartford, VT7 GWhNov 2016May 2026 Solar
McDougle-Mitchell Solar Project Hybrid CAES Distributed EnergyCharlton, MA7 GWhJul 2020Dec 2025 Solar
MM Taunton EnergyMM Taunton Energy LLCTaunton, MA7 GWhAug 1997Dec 2025 Landfill Gas
White Brook Renewables PVWhite Brook Renewables LLCWest Greenwich, RI7 GWhNov 2024Dec 2025 Solar
Solten Plainville 6000, LLCAltus Power America Management, LLCPlainville, MA7 GWhJul 2017Dec 2025 Solar
3232 Batavia Solar3232 Batavia Solar, LLCBatavia, NY7 GWhFeb 2021Dec 2025 Solar
DG Crystal Spring CSGDG Crystal Spring LLCMattapoisett, MA7 GWhJun 2017Dec 2025 Solar
Nutting Ridge Solar, LLCREA Investments, LLCOtisfield, ME7 GWhMay 2023Dec 2025 Solar
OverlookWestbound Solar 3, LLCWestminster, MA7 GWhFeb 2023Dec 2025 Solar
Westport Stone & Sand Solar (CSG)AES Clean EnergyWestport, MA7 GWhFeb 2024Dec 2025 Solar
Messalonskee 2 (Oakland)Messalonskee Stream Hydro LLCOakland, ME7 GWhDec 1923Dec 2025 Water
Middleton Solar ParkNovis Renewables, LLCMiddleton, MA7 GWhMay 2018Dec 2024 Solar
Lewiston Junction Road SolarNextGrid Peppertree, LLCPoland, ME7 GWhDec 2021Dec 2025 Solar
Kearsarge WesterlyKearsarge Westerly LLCWesterly, RI7 GWhNov 2020Dec 2025 Solar
Old Wardour SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2025 Solar
Vuelta SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2025 Solar
GMP Solar - WilliamstownGreen Mountain Power CorpWilliamstown, VT7 GWhNov 2016May 2026 Solar
Milo CSGMilo CSG, LLCMilo, ME7 GWhJan 2022Dec 2025 Solar
Elizabeth Mines Solar 1Elizabeth Mines Solar 1, LLCSo. Strafford, VT7 GWhOct 2017Dec 2025 Solar
GSPP 126 Little Bow Rd N, LLCGreen Street Power PartnersGouverneur, NY7 GWhNov 2023Dec 2025 Solar
Breckenridge SolarBreckenridge Street Solar 1, LLCPalmer, MA7 GWhOct 2020Dec 2024 Solar
Unity SolarMadison Energy Holdings LLCUnity, ME7 GWhNov 2021Dec 2025 Solar
GMP Solar/Storage-Essex HybridGreen Mountain Power CorpEssex, VT7 GWhAug 2019May 2026 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