ISO New England

Balancing Authority Summary Information

ISO New England is ranked #15 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 Nov 2025
Annual Generation 105.5 TWh
Power Plants1,577
Utilities819
Ranked #15 out of 65 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 55.8% Nuclear | 26% Water | 5% Other Fuel | 4.4% Wind | 4% 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 1,101 to 1,200 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Town of East Bridgewater CSGTesla Inc.East Bridgewater, MA1 GWhMay 2013Dec 2024 Solar
Town of Foxborough - Landfill (SREC II)Town of Foxborough - Landfill (SREC II)Foxborough, MA2 GWhJul 2017Dec 2024 Solar
Town of HalfmoonTesla Inc.Waterford, NY1 GWhMay 2017Dec 2024 Solar
Town of Lexington SolarSyncarpha Lexington, LLCLexington, MA3 GWhApr 2017Dec 2024 Solar
Town of Needham VNEM CSGTesla Inc.Needham, MA3 GWhJan 2016Dec 2024 Solar
Town of Norfolk MA at Medway BranchLuminace Solar Massachusetts, LLCNorfolk, MA2 GWhMay 2012Dec 2024 Solar
Town of Otis Wind Energy ProjectTown of OtisOtis, MA3 GWhFeb 2018Dec 2023 Wind
Town of Rocky Hill PV CSGTesla Inc.Rocky Hill, CT5 GWhFeb 2018Dec 2024 Solar
Town of Uxbridge MA at Commerce DrLuminace Solar Net Metering, LLCUxbridge, MA3 GWhMay 2012Dec 2024 Solar
Town of Ware - Canadian Tree(CSG)MA CS Ware West, LLCWare, MA2 GWhNov 2021Dec 2024 Solar
Townline Community SolarAES Distributed EnergyBatavia, NY7 GWhJan 2022Dec 2024 Solar
TPE King Solar Holdings1, LLC (CSG)Nautilus Solar SolutionsNorth Smithfield, RI18 GWhMar 2022Dec 2024 Solar
TPE RI WA1 SolarTPE RI WA1, LLCWarren, RI4 GWhMay 2024Dec 2024 Solar
TPE RI WA2 SolarTPE RI WA2, LLCWarren, RI4 GWhMay 2024Dec 2024 Solar
Treasure Lane Solar 1AES Clean EnergyManchester, ME7 GWhApr 2023Dec 2024 Solar
Trinity College Fuel CellAEP Onsite Partners, LLCHartford, CT12 GWhJul 2018Dec 2024 Natural Gas
Truck StopLSE Corona Austrina LLCWest Stockridge, MA3 GWhOct 2017Dec 2024 Solar
True NorthCD US Solar MT1 LLCSalisbury, MA6 GWhJul 2012Dec 2024 Solar
TunnelFirstLight Power Resources Services LLCPreston, CT8 GWhDec 1918Dec 2024 Water
Turners FallsFirstLight Power Resources, Inc. - MAMontague, MA12 GWhDec 1904Dec 2024 Water
Turnkey Landfill Gas RecoveryWM Renewable Energy LLCRochester, NH44 GWhJan 1992Dec 2024 Landfill Gas
Twiss Street SolarCitizens Enterprises CorporationWestfield, MA2 GWhDec 2014Dec 2024 Solar
Tyngsborough SolarCitizens Enterprises CorporationTyngsborough, MA4 GWhDec 2016Dec 2024 Solar
UB Fuel CellUB Fuel CellBridgeport, CT10 GWhMar 2015Dec 2023 Natural Gas
UCONN Cogen FacilityUniversity of ConnecticutStorrs, CT124 GWhFeb 2006Sep 2025 Natural Gas : 98.9% Distillate Fuel Oil : 1.1%
UDR Glastonbury Fuel CellUIL Distributed Resources, LLCGlastonbury, CT18 GWhJan 2016Dec 2024 Natural Gas
UI RCP Bridgeport SeasideUnited Illuminating CoBridgeport, CT21 GWhOct 2015Sep 2025 Natural Gas : 84.6% Solar : 15.4%
UI RCP New Haven Fuel CellUnited Illuminating CoNew Haven, CT13 GWhJul 2015Sep 2025 Natural Gas
UI RCP Woodbridge FCUnited Illuminating CoWoodbridge, CT18 GWhNov 2016Dec 2024 Natural Gas
UMASSConsolidated Edison Development Inc.Amherst, MA6 GWhSep 2016Dec 2024 Solar
UMass BostonMSS Energy Holdings, LLC (d.b.a. Calibrant Energy)Dorchester, MA1 GWhDec 1971Dec 2024 Solar
UMass PV Lot 22Consolidated Edison Development Inc.Amherst, MA3 GWhAug 2022Dec 2024 Solar
UNH 7.9 MW PlantEmcor Energy ServicesDurham, NH55 GWhAug 2006Sep 2025 Landfill Gas : 73.7% Natural Gas : 25.4% Distillate Fuel Oil : 0.9%
Unity SolarMadison Energy Holdings LLCUnity, ME8 GWhNov 2021Dec 2024 Solar
Univ of Massachusetts Medical CenterUniversity of Massachusetts MedicalWorcester, MA69 GWhMar 1974Dec 2024 Natural Gas : 99.2% Distillate Fuel Oil : 0.7%
University Solar, LLCAES Distributed EnergyWest Greenwich, RI27 GWhNov 2019Sep 2025 Solar
Upper BarkerKEI (Maine) Power Management (III) LLCAuburn, ME5 GWhApr 1987Dec 2024 Water
Upper Blackstone (MA) Treasure ValleyNexamp Treasure Valley Solar, LLCRutland, MA7 GWhJun 2014Dec 2024 Solar
Upton Community SolarUpton Solar, LLCUpton, MA3 GWhAug 2017Dec 2024 Solar
VEC Alburgh ArraySoCore Energy LLCAlburgh, VT1 GWhNov 2016Dec 2024 Solar
VEC Magee Hill SolarSoCore Energy LLCHinesburgh, VT2 GWhOct 2017Dec 2024 Solar
VenturaVentura Drive Dartmouth Solar 1, LLCDartmouth, MA2 GWhMay 2022Oct 2024 Solar
Vergennes 9Green Mountain Power CorpVergennes, VT8 GWhDec 1911Dec 2024 Water
Vernon DamGreat River Hydro, LLCVernon, VT160 GWhJul 1909Dec 2024 Water
VPPSA Project 10Vermont Public Power Supply AuthoritySwanton, VT1 GWhApr 2010Dec 2024 Distillate Fuel Oil
Vuelta SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2024 Solar
W K SandersVillage of Morrisville - (VT)Hyde Park, VT548 MWhJun 1983Dec 2024 Water
W. Orange Rd Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2024 Solar
Wachusett SolarWachusett Solar, LLCRutland, MA4 GWhJul 2019Dec 2024 Solar
Walden Solar Maine VWalden Solar Maine V LLCLeeds, ME76 MWhNov 2024Dec 2024 Solar
Wallingford EnergyWallingford Energy LLCWallingford, CT88 GWhJul 2001Dec 2024 Natural Gas
Wallingford SolarWallingford Renewable Energy, LLCWallingford, CT21 GWhAug 2021Dec 2024 Solar
Walpole Solar 2Walpole Solar 2, LLCWalpole, MA3 GWhMar 2014Dec 2024 Solar
Ward Solar 1, LLCREA Investments, LLCCarver, MA3 GWhJan 2019Dec 2024 Solar
Ware Palmer Road Solar LLC CSGWare Palmer Road Solar LLCWare, MA5 GWhMay 2021Dec 2024 Solar
Wareham MA 1 Community SolarNavisun LLCWareham, MA3 GWhAug 2016Dec 2024 Solar
Wareham Solar PVNSTAR Electric CompanyWareham, MA1 GWhNov 2018Dec 2024 Solar
Washburn Road SolarREA Investments, LLCFreetown, MA3 GWhNov 2018Dec 2024 Solar
Washington WS01Nautilus Solar SolutionsWashington, ME6 GWhMay 2022Dec 2024 Solar
Waste Management Crossroads LFGTEWM Renewable Energy LLCNorridgewock, ME18 GWhFeb 2009Dec 2024 Landfill Gas
Water Street SolarAES Distributed EnergyRandolph, ME7 GWhNov 2022Dec 2024 Solar
Water Treatment 1 & 2Connecticut Mun Elec Engy CoopGroton, CT434 MWhSep 2010Sep 2025 Distillate Fuel Oil
WaterboroMadison Energy Investments LLCEast Waterboro, ME3 GWhJun 2023Dec 2024 Solar
Waterbury 22Green Mountain Power CorpWaterbury, VT15 GWhMay 1953Dec 2024 Water
Waterbury GenerationEngie North AmericaWaterbury, CT44 GWhMay 2009Dec 2024 Natural Gas : 99.8%
Waters RiverCity of Peabody - (MA)Peabody, MA5 GWhNov 1971Nov 2024 Natural Gas : 78.8% Distillate Fuel Oil : 21.2%
Waterside Power, LLCWaterside Power, LLCStamford, CT2 GWhMay 2003Dec 2024 Distillate Fuel Oil
Watertown Solar One, LLCDG Connecticut III, LLCWatertown, CT3 GWhMay 2021Dec 2024 Solar
Weaver WindWeaver Wind, LLC (Longroad)Township 16, ME227 GWhNov 2020Sep 2025 Wind
WEB BrookfieldWEB Brookfield Solar LLCBrookfield, MA6 GWhNov 2021Dec 2024 Solar
Webb Road SolarNextGrid Mastic, LLCWaterville, ME6 GWhAug 2022Dec 2024 Solar
Webster SolarWebster Solar, LLCWebster, MA1 GWhNov 2017Dec 2024 Solar
WED Coventry 1WED Coventry One, LLCCoventry, RI2 GWhSep 2016Dec 2024 Wind
WED Coventry 2WED Coventry Two, LLCCoventry, RI10 GWhJul 2016Sep 2025 Wind
WED Coventry 3WED Coventry Three, LLCCoventry, RI2 GWhJul 2016Dec 2024 Wind
WED Coventry 4WED Coventry Four, LLCCoventry, RI2 GWhJul 2016Dec 2024 Wind
WED Coventry 5Greenbacker Renewable Energy CorporationCoventry, RI3 GWhFeb 2017Dec 2024 Wind
WED Coventry 6Greenbacker Renewable Energy CorporationCoventry, RI8 GWhJul 2016Sep 2025 Wind
WED Coventry Seven, LLCWED Coventry Seven, LLCCoventry, RI5 GWhNov 2020Dec 2024 Solar
WED Green Hill, LLCWED Green Hill, LLCJohnston, RI7 GWhDec 2018Sep 2025 Wind
WED GW Solar, LLCCleanCapital HoldingsLincoln, RI4 GWhDec 2018Dec 2024 Solar
WED Kingstown Solar I - East ArrayCleanCapital HoldingsWashington, RI5 GWhNov 2017Dec 2024 Solar
WED Kingstown Solar I, LLC - WestCleanCapital HoldingsRichmond, RI2 GWhNov 2017Dec 2024 Solar
WED NK GreenWED NK Green LLCNorth Kingstown, RI2 GWhFeb 2012Dec 2024 Wind
WED Plainfield II, LLCWED Plainfield II, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Plainfield III, LLCWED Plainfield III, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Plainfield, LLCWED Plainfield, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Portsmouth One, LLCGreenbacker Renewable Energy CorporationPortsmouth, RI4 GWhJul 2016Dec 2024 Wind
WED Shun I, LLCWED Shun I, LLCJohnston, RI8 GWhDec 2018Sep 2025 Wind
WED Shun II, LLCWED Shun II, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Shun III, LLCWED Shun III, LLCJohnston, RI7 GWhDec 2018Dec 2024 Wind
WED Stilson SolarCleanCapital HoldingsRichmond, RI3 GWhNov 2017Dec 2024 Solar
Wellesley College Central Utility PlantWellesley CollegeWellesley, MA889 MWhMay 1985Dec 2024 Natural Gas
Wells (ME)Nautilus Solar SolutionsWells, ME6 GWhJun 2022Dec 2024 Solar
Wendell MA 1Wendell MA 1 LLCWendell, MA1 GWhNov 2018Dec 2024 Solar
Wesleyan University Cogen 1Wesleyan UniversityMiddletown, CT7 GWhJan 2009Dec 2024 Natural Gas
West A&B Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA5 GWhNov 2020Dec 2024 Solar
West Boylston Community Shared SolarTown of West Boylston - (MA)West Boylston, MA2 GWhNov 2016Dec 2024 Solar
West Bridgewater AB CSGMN8 Energy LLCWest Bridgewater, MA3 GWhMay 2017Dec 2024 Solar
West Brookfield Solar - Gilbertsville RdNautilus Solar SolutionsWest Brookfield, MA6 GWhMay 2017Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England105.5 TWh1,577
#16Bonneville Power Administration80.5 TWh163
#17Duke Energy Progress East64.3 TWh559
#18PacifiCorp East61.1 TWh216
#19Salt River Project Agricultural Improvement and Power District60.0 TWh48