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 301 to 400 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
TaftvilleFirstLight Power Resources Services LLCTaftville, CT2 GWhDec 1905Dec 2025 Water
Griffin Road Solar 2Griffin Road Solar 2, LLCCharlton, MA2 GWhMay 2020Dec 2025 Solar
ASD Cotuit MA Solar LLCASD Cotuit MA Solar LLCSandwich, MA2 GWhOct 2023Dec 2024 Solar
Houlton Road Solar Farm (CSG)REA Investments, LLCFort Fairfield, ME2 GWhNov 2024Dec 2025 Solar
Dartmouth SolarRWE Clean EnergyDartmouth, MA2 GWhFeb 2011Dec 2025 Solar
Orange County Solar Farm (NY)Tesla Inc.Goshen, NY2 GWhApr 2017Dec 2025 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
Fall River Solar CSGMN8 Energy LLCFall River, MA2 GWhJan 2013Dec 2025 Solar
Seaboard Sheffield, LLCNavisun LLCSheffield, MA2 GWhMar 2021Dec 2025 Solar
ChicopeeCaptona Chicopee LLCChicopee, MA2 GWhMar 2017Dec 2025 Solar
Emerald Marshfields, LLCEmerald Marshfield, LLCMarshfield, MA2 GWhNov 2022Dec 2025 Solar
Camelot Wind LLCCamelot Wind LLCPlymouth, MA2 GWhSep 2012Dec 2024 Wind
Pepperell Hydro Power PlantEagle Creek Renewable Energy, LLCPepperell, MA2 GWhDec 1919May 2026 Water
Hewlett-Packard (HP) - Andover, MATesla Inc.Andover, MA2 GWhMay 2017Dec 2025 Solar
Jericho Gravel Solar FarmSoCore Energy LLCJerico, VT2 GWhDec 2020Dec 2025 Solar
West Greenwich SolarRWE Clean EnergyWest Greenwich, RI2 GWhApr 2013May 2026 Solar
Dynamic - WalpoleAES Distributed EnergyWalpole, MA2 GWhMay 2017Dec 2025 Solar
Boltonville Hydro AssociatesBoltonville Hydro AssociatesBoltonville, VT2 GWhJun 1984Dec 2025 Water
SidneyNautilus Solar SolutionsSidney, ME2 GWhApr 2023Dec 2025 Solar
Kenmare - Mansfield Branch StreetMN8 Energy LLCMansfield, MA2 GWhMay 2017Dec 2025 Solar
Norton Landfill SolarCitizens Enterprises CorporationNorton, MA2 GWhDec 2016Dec 2025 Solar
Whately SolarCitizens Enterprises CorporationWhately, MA2 GWhFeb 2013Dec 2025 Solar
Smith & Wesson at Springfield MA PVLuminace Solar Massachusetts, LLCSpringfield, MA2 GWhJun 2017Dec 2025 Solar
Stone Hill Solar CSGMN8 Energy LLCNorth Easton, MA2 GWhJun 2014Dec 2025 Solar
West Water StreetCity of Taunton - (MA)Taunton, MA2 GWhDec 2017Dec 2025 Distillate Fuel Oil
Chester Power PartnersAltus Power America Management, LLCNorth Chester, VT2 GWhOct 2014Dec 2025 Solar
Chatham LandfillClean Focus Yield, LLCChatham, MA2 GWhAug 2014Dec 2025 Solar
Chicopee Granby Road SolarCitizens Enterprises CorporationChicopee, MA2 GWhDec 2014Dec 2025 Solar
Theodore Drive Community SolarTheodore Drive Solar, LLCWestminster, MA2 GWhFeb 2018Dec 2025 Solar
Berkshire 1PPS Berkshire Solar LLCSheffield, MA2 GWhNov 2011Dec 2024 Solar
Town of Uxbridge MA at Commerce DrLuminace Solar Net Metering, LLCUxbridge, MA2 GWhMay 2012Dec 2025 Solar
SunGen Sharon 1 LLCSunGen Sharon 1 LLCSharon, VT2 GWhJul 2012Dec 2025 Solar
Joe JennyAMP MA Joe JennyOxford, MA2 GWhApr 2018Dec 2024 Solar
Aegean Drive SolarAegean Drive Solar LLCMethuen, MA2 GWhAug 2021Dec 2025 Solar
SalisburyGreen Mountain Power CorpSalisbury, VT2 GWhJan 1917Dec 2025 Water
Town of Ware - Canadian Tree(CSG)MA CS Ware West, LLCWare, MA2 GWhNov 2021Dec 2024 Solar
Silver Lake Solar Photovoltaic FacilityWestern Massachusetts Electric CompanyPittsfield, MA2 GWhNov 2010Dec 2025 Solar
Indian Orchard PV FacilityWestern Massachusetts Electric CompanySpringfield, MA2 GWhNov 2011Dec 2025 Solar
201 Sturbridge BAltus Power America Management, LLCBrimfield, MA2 GWhMay 2014Dec 2025 Solar
Dynamic Energy CT STAGMilford Pepes Farm Road Solar LLCMilford, CT2 GWhJul 2023Dec 2024 Solar
Manheim New EnglandCox EnterprisesNorth Dighton, MA2 GWhNov 2012Dec 2025 Solar
Axio Green LLCAltus Power America Management, LLCGreenfield Township, MA2 GWhMay 2012Dec 2025 Solar
General Electric Aircraft EnginesGeneral Electric Aircraft EnginesLynn, MA2 GWhDec 1947May 2026 Solar
Westborough Solar LLCSunRay Power LLCWestborough, MA2 GWhMar 2014Dec 2024 Solar
WestminsterMN8 Energy LLCWestminster, VT2 GWhNov 2016Dec 2025 Solar
Barton Solar FarmBarton Solar, LLCBarton, VT2 GWhOct 2014Dec 2025 Solar
71 Charlotte Furnace Rd Hybrid(CSG)71CFR WHAM8 Solar, LLCWareham, MA2 GWhNov 2021Dec 2024 Solar
Electric Avenue Lunenburg Solar 1Electric Avenue Lunenburg Solar 1, LLCLunenburg, MA2 GWhNov 2021Dec 2025 Solar
Onondaga County- ClearwaterTesla Inc.Oswego, NY3 GWhJun 2017Dec 2025 Solar
Ludlow Site 72 - ContiNSTAR Electric CompanyLudlow, MA3 GWhJul 2018Dec 2025 Solar
Stow PVAES Distributed EnergyStow, MA3 GWhNov 2013Dec 2025 Solar
Scituate WindScituate Wind LLCScituate, MA3 GWhFeb 2012Dec 2025 Wind
Becton Dickinson Ground & Roof TopMadison Energy Investments LLCNorth Canaan, CT3 GWhFeb 2018Dec 2025 Solar
GD Glocester White Oak I, LLCGD Glocester White Oak I, LLCGlocester, RI3 GWhNov 2020Dec 2025 Solar
Bilton SolarEcos Energy LLCSomers, CT3 GWhAug 2023Dec 2025 Solar
Town of Lexington SolarSyncarpha Lexington, LLCLexington, MA3 GWhApr 2017Dec 2025 Solar
Easton LandfillCleanCapital HoldingsEaston, MA3 GWhSep 2013Dec 2025 Solar
West Bridgewater AB CSGMN8 Energy LLCWest Bridgewater, MA3 GWhMay 2017Dec 2025 Solar
Citizens Agawam Landfill SolarCitizens Enterprises CorporationAgawam, MA3 GWhMar 2017Dec 2025 Solar
China Mill HydroNew Hampshire Hydro AssociatesAllenstown, NH3 GWhJun 1981Dec 2025 Water
Acushnet-Braley Road 1CleanCapital HoldingsFreetown, MA3 GWhDec 2012Dec 2025 Solar
Brookfield Solar 2013 LLCCVI CleanCapital Solar 6North Brookfield, MA3 GWhNov 2013Dec 2025 Solar
Southampton Solar PVNSTAR Electric CompanySouthampton, MA3 GWhJan 2019Dec 2025 Solar
Orange PVTerraform ArcadiaOrange, MA3 GWhJun 2013Dec 2025 Solar
LeominsterSyncarpha Massachusetts, LLCLeominster, MA3 GWhApr 2015Dec 2025 Solar
Hampshire College HybridTesla Inc.Amherst, MA3 GWhApr 2017Dec 2025 Solar
Dartmouth II SolarRWE Clean EnergyDartmouth, MA3 GWhMay 2012Dec 2025 Solar
Hadley 2 Solar, LLC CSGHadley 2 Solar, LLCHadley, MA3 GWhNov 2016Dec 2025 Solar
Hadley 3 Solar (North)Hadley 3 Solar, LLC (North)Hadley, MA3 GWhNov 2019Dec 2025 Solar
Fairview Farms SolarNuGen Capital ManagementWhately, MA3 GWhMay 2014Dec 2025 Solar
Alexander Road SolarRPNY Solar 7, LLCBatavia, NY3 GWhJun 2024Dec 2025 Solar
Greenfield Solar PVNSTAR Electric CompanyGreenfield, MA3 GWhDec 2018Dec 2025 Solar
Technology Drive SolarRWE Clean EnergyBrattleboro, VT3 GWhAug 2014Dec 2025 Solar
Richmond HillGreenbacker Renewable Energy CorporationRichmond, ME3 GWhNov 2023Dec 2025 Solar
GD West Greenwich Victory I, LLCCleanCapital HoldingsWest Greenwich, RI3 GWhNov 2019Dec 2025 Solar
Winchendon SolarAltus Power America Management, LLCWinchendon, MA3 GWhMar 2014Dec 2025 Solar
Integrys MA Solar, LLC - Ashburnham SiteIntegrys MA Solar, LLCAshburnham, MA3 GWhNov 2013Dec 2025 Solar
Pittsfield HydroKEI (Maine) Power Management (II) LLCBurnham, ME3 GWhJun 1986Dec 2025 Water
CED Westfield Solar, LLCRWE Clean EnergyWestfield, MA3 GWhJul 2016Dec 2025 Solar
Barrett Farm Solar - Phase IOnyx Asset Services GroupThompson, CT3 GWhSep 2017Dec 2024 Solar
IKEA New Haven Rooftop PV & Fuel CellIKEA Property IncNew Haven, CT3 GWhJun 2012Dec 2025 Natural Gas : 71.5% Solar : 28.5%
RGS-Rutland VNM SREC II Project (MA)TerraForm Solar XVII, LLCRutland, MA3 GWhOct 2015Dec 2025 Solar
Skyway Avenue Solar FarmREA Investments, LLCFrenchville, ME3 GWhFeb 2024Dec 2025 Solar
WED Coventry 4WED Coventry Four, LLCCoventry, RI3 GWhJul 2016Dec 2025 Wind
Coventry Photovoltaic, LLCCoventry Photovoltaic, LLCCoventry, VT3 GWhJul 2014Dec 2025 Solar
Seaboard Oxford, LLCNavisun LLCOxford, MA3 GWhJul 2020Dec 2025 Solar
Pine Hill WestportGreenbacker Renewable Energy CorporationWestport, MA3 GWhMay 2025Dec 2025 Solar
Syncarpha Hancock I CSGSyncarpha Hancock I, LLCHancock, MA3 GWhOct 2017Dec 2025 Solar
Gardner Solar 1Gardner Solar 1, LLCGardner, MA3 GWhApr 2014Dec 2025 Solar
GMP Solar - RichmondGreen Mountain Power CorpRichmond, VT3 GWhSep 2016May 2026 Solar
CTGB OsbornTotalEnergies Renewables USA LLCSomers, CT3 GWhNov 2024Dec 2025 Solar
Falmouth 2 SolarCitizens Enterprises CorporationFalmouth, MA3 GWhAug 2021Dec 2025 Solar
Lisbon Street SolarNextGrid Cliffrose, LLCLewiston, ME3 GWhMar 2022Dec 2025 Solar
WED NK GreenWED NK Green LLCNorth Kingstown, RI3 GWhFeb 2012Dec 2025 Wind
UMass PV Lot 22RWE Clean EnergyAmherst, MA3 GWhAug 2022Dec 2025 Solar
CED FosterRWE Clean EnergyFoster, RI3 GWhNov 2017May 2026 Solar
Harbor Road Solar 1Harbor Road Solar 1, LLCCheshire, MA3 GWhNov 2021Dec 2025 Solar
Winchendon Landfill SolarOnyx Asset Services GroupWinchendon, MA3 GWhSep 2018Dec 2024 Solar
Weston Landfill SolarAmeresco, Inc - WestonWeston, MA3 GWhFeb 2016Dec 2025 Solar
Open View Solar FarmCross Pollination IncNew Haven, VT3 GWhAug 2013Dec 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