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 Jun 2026
Annual Generation 111.3 TWh
Power Plants1,577
Utilities819
Ranked #15 out of 64 in terms of net annual generation
Ranked #11 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 55.6% Nuclear | 24.8% Wind | 4.8% Water | 4.4% Other Fuel | 4.3% Solar | 1.5% 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 1,286
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Glenmere LakeAES Distributed EnergyGoshen, NY4 GWhMay 2021Dec 2024 Solar
Main Rd Community SolarAES Distributed EnergyNewstead, NY8 GWhJun 2022Dec 2024 Solar
Knapp East (CSG)AES Distributed EnergyAkron, NY7 GWhNov 2021Dec 2024 Solar
DusenberryAES Distributed EnergyTroy, NY8 GWhNov 2021Dec 2024 Solar
Acushnet MA 2 (CSG)Navisun LLCAcushnet, MA1 GWhFeb 2024Dec 2024 Solar
Acushnet MA 1Navisun LLCAcushnet, MA2 GWhNov 2023Dec 2024 Solar
Fairhaven MA 2Consolidated Edison Development Inc.Fairhaven, MA4 GWhAug 2021Dec 2024 Solar
Dunstable Solar 1, LLCAES Distributed EnergyDunstable, MA11 GWhMar 2021Dec 2024 Solar
Fredonia Solar LLCGreenbacker Renewable Energy CorporationFredonia, NY2 GWhAug 2021Dec 2024 Solar
NaplesNaples Casco Solar 1, LLCNaples, ME3 GWhNov 2021Dec 2024 Solar
ActonActon H Road Solar 1, LLCActon, ME5 GWhNov 2021Dec 2024 Solar
Clark Road Solar 1, LLCClark Road Solar 1, LLCGardner, MA9 GWhNov 2020Dec 2024 Solar
Blodgett Solar CSGBlodgett Street Solar 1, LLCTyngsboro, MA10 GWhJul 2021Dec 2024 Solar
Kearsarge Montague BD(CSG)Kearsarge Montague BD LLCMontague, MA3 GWhOct 2021Dec 2024 Solar
Kearsarge Upper UnionKearsarge Upper Union LLCFranklin, MA2 GWhFeb 2023Dec 2024 Solar
Kearsarge HaverhillKearsarge Haverhill LLCHaverhill, MA4 GWhFeb 2021Dec 2024 Solar
Kearsarge William WayKearsarge William Way LLCBellingham, MA7 GWhNov 2021Dec 2024 Solar
TPE King Solar Holdings1, LLC (CSG)Nautilus Solar SolutionsNorth Smithfield, RI18 GWhMar 2022Dec 2024 Solar
Westport B Community Solar GardenBWC Hamilton Brook LLCWestport, MA7 GWhOct 2018Dec 2024 Solar
Adirondack A+B Community Solar GardenBWC Connecticut River LLCWestport, MA8 GWhNov 2018Dec 2024 Solar
Dover (MA)BWC Buckmaster Pond LLCDover, MA2 GWhJul 2017Dec 2024 Solar
MendonBWC Box Pond LLCMendon, MA4 GWhNov 2017Dec 2024 Solar
Westport Community Solar GardenBWC Bass River LLCWestport, MA4 GWhJun 2017Dec 2024 Solar
Joe JennyAMP MA Joe JennyOxford, MA2 GWhApr 2018Dec 2024 Solar
DudleyAMP MA DudleyDudley, MA4 GWhJun 2018Dec 2024 Solar
Wallingford SolarWallingford Renewable Energy, LLCWallingford, CT21 GWhAug 2021Dec 2024 Solar
Smithfield Solar Farm, LLCSmithfield Solar FarmSmithfield, RI4 GWhJun 2020Dec 2024 Solar
NortonMadison Energy Holdings LLCNorton, MA1 GWhFeb 2023Dec 2024 Solar
Raboth - Marion DriveMadison Energy Holdings LLCKingston, MA5 GWhFeb 2021Dec 2024 Solar
Merrimack Solar Farm, LLCMerrimack Solar FarmMerrimack, NH4 GWhDec 2018Dec 2024 Solar
Golden SolarCardinal RenewablesSt. Johnsbury, VT4 GWhOct 2021Dec 2024 Solar
Dresser Hill CSGDresser Hill Solar, LLCSouthbridge, MA6 GWhDec 2020Dec 2024 Solar
Wilmarth SolarWilmarth Lane Solar 1, LLCPlainville, MA8 GWhJan 2020Dec 2024 Solar
Town of Ware - Canadian Tree(CSG)MA CS Ware West, LLCWare, MA2 GWhNov 2021Dec 2024 Solar
Rounseville SolarRounseville Solar 1, LLCRochester, MA4 GWhJan 2020Dec 2024 Solar
Breckenridge SolarBreckenridge Street Solar 1, LLCPalmer, MA7 GWhOct 2020Dec 2024 Solar
Elm StreetISM Solar Dighton 3, LLCDighton, MA5 GWhNov 2020Dec 2024 Solar
WilbrahamBWC East Brook, LLCWilbraham, MA5 GWhNov 2020Dec 2024 Solar
Georges River EnergyRobbins Lumber IncSearsmont, ME52 GWhNov 2018Dec 2024 Wood/Wood Waste Solids
ZPD-PT Solar Project 2017-006 LLC HybridAES Distributed EnergyWarren, MA5 GWhJun 2021Dec 2024 Solar
Plainfield Solar 1Ecos Energy LLCPlainfield, CT1 GWhDec 2019Dec 2024 Solar
GD Glocester White Oak I, LLCGD Glocester White Oak I, LLCGlocester, RI3 GWhNov 2020Dec 2024 Solar
WED Coventry Seven, LLCWED Coventry Seven, LLCCoventry, RI5 GWhNov 2020Dec 2024 Solar
Roger Williams - Melville at PortsmouthLuminace Solar Rhode Island, LLCPortsmouth, RI5 GWhFeb 2021Dec 2024 Solar
Lawrence BrookGreenbacker Renewable Energy CorporationMorristown, VT3 GWhNov 2020Dec 2024 Solar
Hadley 3 Solar (South)Hadley 3 Solar, LLC (South)Hadley, MA3 GWhNov 2019Dec 2024 Solar
Hadley 3 Solar (North)Hadley 3 Solar, LLC (North)Hadley, MA3 GWhNov 2019Dec 2024 Solar
Few SolarEcos Energy LLCSomers, CT2 GWhDec 2020Dec 2024 Solar
Madison Solar (CT)Ecos Energy LLCSomers, CT2 GWhDec 2020Dec 2024 Solar
Blair SolarEcos Energy LLCSomers, CT2 GWhDec 2020Dec 2024 Solar
Auburn Solar ProjectAgilitas Energy, Inc.Auburn, MA8 GWhApr 2022Dec 2024 Solar
ZPD-PT Solar Project 2017-021 LLC HybridAES Distributed EnergyWilbraham, MA2 GWhDec 2020Dec 2024 Solar
ZPD-PT Solar Project 2017-023 LLC HybridAES Distributed EnergySouthbridge, MA4 GWhDec 2020Dec 2024 Solar
ZPD-PT Solar Project 2017-044 LLC CSGAES Distributed EnergySpencer, MA1 GWhSep 2021Dec 2024 Solar
UDR Glastonbury Fuel CellUIL Distributed Resources, LLCGlastonbury, CT18 GWhJan 2016Dec 2024 Natural Gas
Blair Wire Village Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2024 Solar
Boutillier Solar, LLC CSG38 Degrees North, LLCLeicester, MA5 GWhMar 2018Dec 2024 Solar
St. Joseph's Solar, LLC CSG38 Degrees North, LLCCharlton, MA2 GWhNov 2017Dec 2024 Solar
Samoset SolarSamoset Solar, LLCRockport, ME4 GWhJun 2023Dec 2024 Solar
Amazon BDL3 Solar ProjectSolar Star Prime 1 LLCNew Haven, CT2 GWhSep 2019Dec 2024 Solar
Randall Solar Project HybridAES Distributed EnergyBerlin, MA8 GWhJun 2021Dec 2024 Solar
Annese Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA8 GWhNov 2020Dec 2024 Solar
West A&B Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA5 GWhNov 2020Dec 2024 Solar
Cycz Solar Project CSG HybridAES Distributed EnergySpencer, MA3 GWhMay 2020Dec 2024 Solar
McDougle-Mitchell Solar Project Hybrid CAES Distributed EnergyCharlton, MA7 GWhJul 2020Dec 2024 Solar
Alicea Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA4 GWhNov 2020Dec 2024 Solar
Hurteau Solar Project HybridAES Distributed EnergyUxbridge, MA3 GWhFeb 2020Dec 2024 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2024 Solar
CP Middletown Solar II LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
CP Middletown Solar I LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
GSPP Gilman, LLCGreen Street Power PartnersLunenburg, VT3 GWhAug 2018Dec 2024 Solar
Corbin Russwin Phase 3 BerlinPowerflexBerlin, CT2 GWhMar 2018Dec 2024 Solar
Ticket Network South WindsorPowerflexSouth Windsor, CT2 GWhApr 2018Dec 2024 Solar
Granby Solar, LLC CSGGranby Solar, LLCGranby, MA6 GWhJun 2021Dec 2024 Solar
Sutton Solar 2, LLC CSGSutton Solar 2, LLCSutton, MA1 GWhNov 2020Dec 2024 Solar
South Windsor Fuel CellSouth Energy Investments LLCSouth Windsor, CT39 GWhFeb 2020Dec 2024 Natural Gas
Natick MallNatick MallNatick, MA4 GWhSep 2018Dec 2024 Solar
Partridge Hill Solar HybridAES Distributed EnergyCharlton, MA3 GWhJun 2020Dec 2024 Solar
Plainfield Solar 2Ecos Energy LLCPlainfield, CT1 GWhMar 2020Dec 2024 Solar
Becton CanaanDG Northeast 1, LLCNorth Canaan, CT3 GWhFeb 2018Dec 2024 Solar
Dickinson Solar (CT)Ecos Energy LLCHampton, CT3 GWhMay 2020Dec 2024 Solar
Sydney SolarEcos Energy LLCHampton, CT3 GWhMay 2020Dec 2024 Solar
Jackson Solar (CT)Ecos Energy LLCGriswold, CT1 GWhNov 2019Dec 2024 Solar
Sherman SolarEcos Energy LLCGriswold, CT1 GWhNov 2019Dec 2024 Solar
Brookfield Wire CompanyDynamic Energy Solutions, LLCBrookfield, MA2 GWhMay 2016Dec 2024 Solar
Syncarpha Blandford Hybrid CSGSyncarpha Blandford, LLCBlandford, MA8 GWhNov 2019Dec 2024 Solar
RoxWindRoxWind LLCRoxbury, ME36 GWhOct 2021Dec 2024 Wind
Coventry Clean Energy CorporationWashington Electric Coop - (VT)Coventry, VT49 GWhJun 2005Dec 2024 Landfill Gas
Gardner - Otter River RoadOtter River Road Solar LLCGardner, MA4 GWhSep 2019Dec 2024 Solar
GSPP Boxborough Littleton (MA)GSPP Boxborough Littleton, LLCBoxborough, MA6 GWhDec 2018Dec 2024 Solar
Holiday Hill Community WindGreenbacker Renewable Energy CorporationRussell, MA10 GWhNov 2019Dec 2024 Wind
Town of Burrillville Solar CSGStandard SolarBurrillville, RI5 GWhSep 2020Dec 2024 Solar
Kearsarge GillKearsarge Gill LLCGill, MA3 GWhDec 2017Dec 2024 Solar
Syncarpha Tewksbury Hybrid CSGSyncarpha Tewksbury, LLCTewksbury, MA4 GWhJan 2022Dec 2024 Solar
Syncarpha Puddon I Hybrid CSGSyncarpha Puddon I, LLCNorthbridge, MA9 GWhFeb 2021Dec 2024 Solar
Syncarpha Puddon II Hybrid CSGSyncarpha Puddon II, LLCNorthbridge, MA9 GWhFeb 2021Dec 2024 Solar
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA7 GWhOct 2022Dec 2024 Solar
Syncarpha Leicester Hybrid CSGSyncarpha Leicester, LLCLeicester, MA5 GWhMay 2021Dec 2024 Solar
Syncarpha Halifax Hybrid CSGSyncarpha Halifax, LLCHalifax, MA3 GWhNov 2020Dec 2024 Solar
Syncarpha Millbury Hybrid (CSG)Syncarpha Millbury, LLCMillbury, MA8 GWhSep 2022Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator173.0 TWh2,075
#9Tennessee Valley Authority163.7 TWh204
#10Florida Power & Light Co.151.0 TWh187
#12New York Independent System Operator134.9 TWh1,211
#13Duke Energy Carolinas112.2 TWh565
#15ISO New England111.3 TWh1,577
#16Bonneville Power Administration90.2 TWh163
#17Duke Energy Progress East64.7 TWh559
#18PacifiCorp East61.1 TWh216
#19Salt River Project Agricultural Improvement and Power District60.1 TWh48