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 101 to 200 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
West Brookfield Solar - Gilbertsville RdNautilus Solar SolutionsWest Brookfield, MA5 GWhMay 2017Dec 2025 Solar
West Brookfield Solar, LLCCVI CleanCapital Solar 7West Brookfield, MA2 GWhDec 2015Dec 2025 Solar
West Bridgewater AB CSGMN8 Energy LLCWest Bridgewater, MA3 GWhMay 2017Dec 2025 Solar
Ajax Solar, LLC (MA)Green Street Power PartnersWest Bridgewater, MA4 GWhNov 2017Dec 2025 Solar
West Boylston Community Shared SolarTown of West Boylston - (MA)West Boylston, MA447 MWhNov 2016Dec 2025 Solar
Oakdale Power StationMassachusetts Water Res AuthWest Boylston, MA1 GWhApr 1951Dec 2025 Water
Baldwin (ME)Maine DG Solar Baldwin, LLCWest Baldwin, ME10 GWhFeb 2022Dec 2025 Solar
Wendell MA 1Wendell MA 1 LLCWendell, MA1 GWhNov 2018Dec 2025 Solar
Wells (ME)Nautilus Solar SolutionsWells, ME8 GWhJun 2022Dec 2025 Solar
Wellesley College Central Utility PlantWellesley CollegeWellesley, MA10 GWhMay 1985Dec 2025 Natural Gas
DG Webster LLC CSGDG Webster, LLCWebster, MA2 GWhNov 2017Dec 2025 Solar
Webster SolarWebster Solar, LLCWebster, MA1 GWhNov 2017Dec 2025 Solar
AscutneyGreen Mountain Power CorpWeatherfield, VT437 MWhJul 1961May 2026 Distillate Fuel Oil
Lockwood Hydroelectric FacilityMerimil Ltd PartnershipWaterville, ME13 GWhSep 1985Dec 2025 Water
Messalonskee 5Messalonskee Stream Hydro LLCWaterville, ME4 GWhDec 1934Dec 2025 Water
Cenergy - Waterville (CSG)Luminace Sunbeam Development Holdings, LLCWaterville, ME9 GWhJun 2023Dec 2025 Solar
Webb Road SolarNextGrid Mastic, LLCWaterville, ME5 GWhAug 2022Dec 2025 Solar
BroadheadMadison Energy Investments LLCWaterville, ME7 GWhFeb 2023Dec 2025 Solar
Watertown Solar One, LLCDG Connecticut III, LLCWatertown, CT3 GWhMay 2021Dec 2025 Solar
Town of HalfmoonTesla Inc.Waterford, NY1 GWhMay 2017Dec 2024 Solar
MillstoneDominion Energy Nuclear Conn IncWaterford, CT17 TWhNov 1975May 2026 Nuclear
Waterbury 22Green Mountain Power CorpWaterbury, VT11 GWhMay 1953Dec 2025 Water
Waterbury GenerationEngie North AmericaWaterbury, CT55 GWhMay 2009Dec 2025 Natural Gas : 99.1% Kerosene : 0.9%
WED Kingstown Solar I - East ArrayCleanCapital HoldingsWashington, RI5 GWhNov 2017Dec 2025 Solar
Washington WS01Nautilus Solar SolutionsWashington, ME5 GWhMay 2022Dec 2025 Solar
KilvertCaptona Kilvert Street Warwick LLCWarwick, RI8 GWhNov 2018Dec 2025 Solar
Blackhorse Farm Solar, LLC CSGAES Distributed EnergyWarren, RI6 GWhNov 2020Dec 2025 Solar
TPE RI WA2 SolarTPE RI WA2, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
TPE RI WA1 SolarTPE RI WA1, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
Cronin Road Solar 1, LLC CSG HybridAES Distributed EnergyWarren, MA3 GWhMay 2020Dec 2025 Solar
ZPD-PT Solar Project 2017-006 LLC HybridAES Distributed EnergyWarren, MA6 GWhJun 2021Dec 2025 Solar
Mass Midstate Solar 1Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2025 Solar
Mass Midstate Solar 2Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2025 Solar
Mass Midstate Solar 3Evergreen Wind, LLCWarren, MA6 GWhApr 2014Dec 2025 Solar
Morin Solar 2013 LLCCVI CleanCapital Solar 6Warren, MA5 GWhNov 2013Dec 2025 Solar
Wareham MA 1 Community SolarNavisun LLCWareham, MA3 GWhAug 2016Dec 2025 Solar
Onset West Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2025 Solar
Onset East Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2025 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
Acushnet AD MakepeaceCleanCapital HoldingsWareham, MA6 GWhJun 2012Dec 2025 Solar
BWC Harlow BrookBWC Harlow Brook, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
BWC Wareham RiverBWC Wareham River, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
Tihonet SolarRWE Clean EnergyWareham, MA2 GWhApr 2014Dec 2025 Solar
Wareham Solar PVNSTAR Electric CompanyWareham, MA1 GWhNov 2018Dec 2025 Solar
BWC Gibbs BrookBWC Gibbs Brook, LLCWareham, MA7 GWhNov 2018Dec 2025 Solar
Cranberry Highway Solar LLCCranberry Highway Solar, LLCWareham, MA3 GWhFeb 2021Dec 2025 Solar
71 Charlotte Furnace Rd Hybrid(CSG)71CFR WHAM8 Solar, LLCWareham, MA2 GWhNov 2021Dec 2024 Solar
299 Farm to Market Rd Hybrid(CSG)299F2M WHAM8 Solar, LLCWareham, MA6 GWhNov 2021Dec 2024 Solar
160 Tihonet Rd Hybrid(CSG)160TIH WHAM8 Solar, LLCWareham, MA10 GWhNov 2021Dec 2024 Solar
77 Farm to Market Rd Hybrid(CSG)77F2M WHAM8 Solar, LLCWareham, MA9 GWhNov 2021Dec 2024 Solar
Ware Palmer Road Solar LLC CSGWare Palmer Road Solar LLCWare, MA5 GWhMay 2021Dec 2024 Solar
Ava SolarEcos Energy LLCWare, MA2 GWhNov 2023Dec 2025 Solar
Town of Ware - Canadian Tree(CSG)MA CS Ware West, LLCWare, MA2 GWhNov 2021Dec 2024 Solar
Walpole Solar 2Walpole Solar 2, LLCWalpole, MA4 GWhMar 2014Dec 2025 Solar
Dynamic - WalpoleAES Distributed EnergyWalpole, MA2 GWhMay 2017Dec 2025 Solar
MHG WallingfordStandard SolarWallingford, VT3 GWhNov 2019Dec 2025 Solar
Wallingford SolarWallingford Renewable Energy, LLCWallingford, CT15 GWhAug 2021Dec 2025 Solar
Wallingford EnergyWallingford Energy LLCWallingford, CT107 GWhJul 2001Dec 2025 Natural Gas
Dynamic - Wales Leeds Junction Road (CSG)Altus Power America Management, LLCWales, ME7 GWhOct 2024Dec 2025 Solar
North Nobleboro Road, LLCREA Investments, LLCWaldoboro, ME4 GWhMay 2021Dec 2025 Solar
Mascoma HydroGreen Mountain Power CorpW. Lebanon, NH202 MWhNov 1988Dec 2025 Water
Goodwin HydroelectricMetropolitan Dist of HartfordW. Hartland, CT8 GWhMar 1986Oct 2025 Water
Fox Island Wind LLCFox Island Wind LLCVinalhaven, ME9 GWhOct 2009Dec 2025 Wind
Vernon DamGreat River Hydro, LLCVernon, VT119 GWhJul 1909Dec 2025 Water
Vergennes 9Green Mountain Power CorpVergennes, VT8 GWhDec 1911Dec 2025 Water
Maine Independence StationCasco Bay Energy Co LLCVeazie, ME1 TWhApr 2000Dec 2025 Natural Gas
ME CDG 005ME CDG 005 LLCVeazie, ME3 GWhNov 2024Dec 2025 Solar
Hurteau Solar Project HybridAES Distributed EnergyUxbridge, MA3 GWhFeb 2020Dec 2025 Solar
Palombo Solar, LLC CSG38 Degrees North, LLCUxbridge, MA3 GWhNov 2017Dec 2025 Solar
MA CS Uxbridge Community SolarMA CS Uxbridge, LLCUxbridge, MA7 GWhJan 2023Dec 2025 Solar
Palombo B Solar, LLC CSG38 Degrees North, LLCUxbridge, MA2 GWhNov 2017Dec 2025 Solar
Kearsarge UxbridgeKearsarge Uxbridge LLCUxbridge, MA3 GWhAug 2018Dec 2025 Solar
BJ's Wholesale Club, Inc- UxbridgeTesla Inc.Uxbridge, MA270 MWhJun 2017Dec 2024 Solar
Town of Uxbridge MA at Commerce DrLuminace Solar Net Metering, LLCUxbridge, MA2 GWhMay 2012Dec 2025 Solar
Upton Community SolarUpton Solar, LLCUpton, MA3 GWhAug 2017Dec 2025 Solar
Unity SolarMadison Energy Holdings LLCUnity, ME7 GWhNov 2021Dec 2025 Solar
Three Corners SolarThree Corners Solar, LLCUnity, ME197 GWhJun 2024May 2026 Solar
Fort Hill 1, 2, 3 & 4Connecticut Mun Elec Engy CoopUncasville, CT734 MWhJul 2010May 2026 Distillate Fuel Oil
Montville StationMontville Power LLCUncasville, CT133 GWhDec 1953Dec 2025 Residual Fuel Oil : 74.2% Natural Gas : 24.9% Distillate Fuel Oil : 0.9%
Tyngsborough SolarCitizens Enterprises CorporationTyngsborough, MA3 GWhDec 2016Dec 2025 Solar
Blodgett Solar CSGBlodgett Street Solar 1, LLCTyngsboro, MA10 GWhJul 2021Dec 2024 Solar
DusenberryAES Distributed EnergyTroy, NY7 GWhNov 2021Dec 2025 Solar
Weaver WindGreenbacker Renewable Energy CorporationTownship 16, ME214 GWhNov 2020May 2026 Wind
Johnston SolarConcord New EnergyTown of Johnston, RI2 GWhJun 2015Dec 2025 Solar
TorringtonConnecticut Jet Power LLCTorrington, CT277 MWhOct 1967Dec 2025 Kerosene
Franklin DriveConnecticut Jet Power LLCTorrington, CT294 MWhOct 1968Dec 2025 Kerosene
Torrington Solar One, LLCDG Connecticut III, LLCTorrington, CT3 GWhFeb 2021Dec 2025 Solar
Pejepscot Hydroelectric ProjectTopsham Hydro PartnersTopsham, ME50 GWhOct 1987Dec 2025 Water
TollandSunrise on Clubhouse Rd. LLCTolland, MA8 GWhNov 2020Dec 2024 Solar
Tolland Solar NG LLCNuGen Capital ManagementTolland, MA5 GWhSep 2014Dec 2025 Solar
Rhode Island Solar Renewable Energy IV,Rhode Island Solar Renewable Energy IV, LLCTiverton, RI18 GWhNov 2023Dec 2025 Solar
1519 Crandall Road1519 Crandall Road LLCTiverton, RI6 GWhNov 2020Dec 2025 Solar
Kearsarge FoglandKearsarge Fogland LLCTiverton, RI3 GWhOct 2020Dec 2025 Solar
Tiverton Power PlantTiverton Power LLCTiverton, RI2 TWhFeb 2000Dec 2025 Natural Gas
Tisbury Landfill SolarClean Focus Yield, LLCTisbury, MA2 GWhJun 2014Dec 2025 Solar
Lochmere Hydroelectric PlantEagle Creek Renewable Energy, LLCTilton, NH2 GWhNov 1984Oct 2025 Water
Clement Dam Hydro LLCEagle Creek Renewable Energy, LLCTilton, NH7 GWhNov 1984Oct 2025 Water
Barrett Farm Solar - Phase IOnyx Asset Services GroupThompson, CT3 GWhSep 2017Dec 2024 Solar
Leominster (MA)-South Street-R&DSouth Street Solar, LLCTewksbury, MA3 GWhNov 2013Dec 2025 Solar
Syncarpha Tewksbury Hybrid CSGSyncarpha Tewksbury, LLCTewksbury, MA4 GWhJan 2022Dec 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