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 501 to 600 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Manville Hill Road SolarManville Hill Road Solar LLCCumberland, RI7 GWhApr 2021Dec 2025 Solar
Pembroke HydroEagle Creek Renewable Energy, LLCSuncook, NH7 GWhNov 1985Dec 2025 Water
Dynamic - Wales Leeds Junction Road (CSG)Altus Power America Management, LLCWales, ME7 GWhOct 2024Dec 2025 Solar
Maple(CSG)Maple Street Solar 1, LLCBellingham, MA7 GWhOct 2021Dec 2024 Solar
CES Agawam Tuckahoe Solar HybridCES Agawam Tuckahoe Solar LLCAgawam, MA7 GWhNov 2021Dec 2025 Solar
MA BlackstoneCatalyze Blackstone 83 Federal Street Microgrid, LLCBlackstone, MA7 GWhJun 2022Dec 2025 Solar
Gorham Solar 1 (CSG)CleanCapital HoldingsGorham, ME7 GWhOct 2023Dec 2025 Solar
International Paper Woronoco MillEagle Creek Renewable Energy, LLCWoronoco, MA7 GWhDec 1912Dec 2025 Water
BWC Gibbs BrookBWC Gibbs Brook, LLCWareham, MA7 GWhNov 2018Dec 2025 Solar
Town of Burrillville Solar CSGStandard SolarBurrillville, RI7 GWhSep 2020Dec 2025 Solar
NBC Field's Point Wind FarmNarragansett Bay CommissionProvidence, RI7 GWhSep 2012May 2026 Wind
Kearsarge Concord IIKearsarge Concord II LLCConcord, MA7 GWhDec 2016Dec 2025 Solar
MA CS Uxbridge Community SolarMA CS Uxbridge, LLCUxbridge, MA7 GWhJan 2023Dec 2025 Solar
Kearsarge MontagueKearsarge Montague LLCMontague, MA7 GWhMay 2018Dec 2025 Solar
GSPP 126 Little Bow Rd S, LLCGreen Street Power PartnersGouverneur, NY7 GWhNov 2023Dec 2025 Solar
Church Hill Road Augusta Solar, LLCREA Investments, LLCAugusta, ME7 GWhJan 2022Dec 2025 Solar
Hartland SolarMadison Energy Holdings LLCHartland, ME7 GWhNov 2021Dec 2025 Solar
GenConn Middletown LLCGenConn Middletown LLCMiddletown, CT6 GWhMay 2011Dec 2025 Kerosene : 77.4% Natural Gas : 22.6%
East Windsor Solar OneDG Connecticut III, LLCEast Windsor, CT6 GWhNov 2021Sep 2025 Solar
CED Northampton Solar LLC HybridRWE Clean EnergyNorthampton, MA6 GWhNov 2019Dec 2025 Solar
North GorhamBrookfield White Pine Hydro LLCGorham, ME6 GWhDec 1924Dec 2025 Water
Smith College Central Heating PlantThe Trustees of Smith CollegeNorthampton, MA6 GWhSep 2008Dec 2025 Natural Gas
MEVS Clark LLCMEVS Clark LLCBingham, ME6 GWhSep 2023Dec 2025 Solar
Syncarpha FreetownMarie's Way Solar I, LLCFreetown, MA6 GWhOct 2016Dec 2025 Solar
ShafferCD US Solar MT3, LLCBillerica, MA6 GWhAug 2014Dec 2025 Solar
Ashland SolarCitizens Enterprises CorporationAshland, MA6 GWhNov 2019Dec 2025 Solar
DartmouthMass Solar, LLCDartmouth, MA6 GWhMar 2014Dec 2025 Solar
Knapp West(CSG)AES Distributed EnergyAkron, NY6 GWhNov 2021Dec 2025 Solar
Freetown SolarMass Solar, LLCFreetown, MA6 GWhFeb 2015Dec 2025 Solar
Bolton PVAES Distributed EnergyBolton, MA6 GWhNov 2013Dec 2025 Solar
RavenbrookCaptona Ravenbrook LLCCarver, MA6 GWhNov 2013Dec 2025 Solar
Merrill Road SolarNextGrid Mangrove, LLCLewiston, ME6 GWhFeb 2022Dec 2025 Solar
GlenGreen Mountain Power CorpRutland, VT6 GWhJul 1920Dec 2025 Water
Sunpin BlandfordBlandford Sun, LLCSouthwick, MA6 GWhMay 2020Dec 2025 Solar
GMP Solar - WillistonGreen Mountain Power CorpWilliston, VT6 GWhOct 2016May 2026 Solar
Marston Mills SolarSoCore Energy LLCMarstons Mills, MA6 GWhNov 2021Dec 2025 Solar
Broadway Solar (CSG)NextGrid Bitterbush, LLCBangor, ME6 GWhAug 2023Dec 2025 Solar
HooksettCentral Rivers Power NH, LLCHooksett, NH6 GWhJul 1927Dec 2025 Water
Dynamic - Exeter Solar CSGAltus Power America Management, LLCExeter, ME6 GWhAug 2024Dec 2025 Solar
CanaanCentral Rivers Power NH, LLCCanaan, VT6 GWhJul 1927Dec 2025 Water
Barefoot SolarMadison Energy Investments LLCFairfield, ME6 GWhNov 2022Dec 2025 Solar
Cape Cod Air Force Station - 6 SWSUS Space ForceSagamore, MA6 GWhDec 2013May 2026 Wind
Belchertown Renewables Community SolarBelchertown Renewables, LLCBelchertown, MA6 GWhFeb 2018Dec 2025 Solar
Upper Blackstone (MA) Treasure ValleyNexamp Treasure Valley Solar, LLCRutland, MA6 GWhJun 2014Dec 2025 Solar
Lebanon CSG LLCDimension Energy LLCLebanon, ME6 GWhNov 2024Dec 2025 Solar
TPE RI WA1 SolarTPE RI WA1, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
Dynamic - Glenburn Broadway One (CSG)Altus Power America Management, LLCGlenburn, ME6 GWhOct 2024Dec 2025 Solar
Caribou SolarSoCore Energy LLCCaribou, ME6 GWhNov 2024Dec 2025 Solar
CaribouAltus Power America Management, LLCCaribou, ME6 GWhJul 2023Dec 2025 Solar
Orono Hydro StationBrookfield Black Bear Hydro, LLCOrono, ME6 GWhDec 2008Dec 2025 Water
ShakerNautilus Solar SolutionsGray, ME6 GWhJun 2022Dec 2025 Solar
Adams Grove SolarSoCore Energy LLCAdams, MA6 GWhAug 2022Dec 2024 Solar
GSPP Boxborough Littleton (MA)CleanCapital HoldingsBoxborough, MA6 GWhDec 2018Dec 2025 Solar
NL MA - CopicutStandard SolarFreetown, MA6 GWhMay 2025Dec 2025 Solar
Dresser Hill CSGDresser Hill Solar, LLCSouthbridge, MA6 GWhDec 2020Dec 2025 Solar
Williams RdAES Distributed EnergyRansomville, NY6 GWhAug 2021Dec 2025 Solar
ZPD-PT Solar Project 2017-006 LLC HybridAES Distributed EnergyWarren, MA6 GWhJun 2021Dec 2025 Solar
Brattleboro (Windham Landfill)Altus Power America Management, LLCBrattleboro, VT6 GWhJul 2018Dec 2025 Solar
GD Johnson Scituate I, LLCGD Johnson Scituate I, LLCCranston, RI6 GWhNov 2021Dec 2025 Solar
Acushnet AD MakepeaceCleanCapital HoldingsWareham, MA6 GWhJun 2012Dec 2025 Solar
Bolton FallsGreen Mountain Power CorpDuxbury, VT6 GWhOct 1986Dec 2025 Water
Dairy FarmGreenbacker Renewable Energy CorporationAnson, ME6 GWhSep 2024Dec 2025 Solar
GD Richmond Beaver River I LLCGD Richmond Beaver River I LLCRichmond, RI6 GWhMar 2025Dec 2025 Solar
Fitchburg RenewablesFitchburg Renewables, LLCFitchburg, MA6 GWhFeb 2020Dec 2025 Solar
1519 Crandall Road1519 Crandall Road LLCTiverton, RI6 GWhNov 2020Dec 2025 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2025 Solar
Palmer LandfillSyncarpha Bondsville, LLCPalmer, MA6 GWhNov 2016Dec 2025 Solar
GSPP Terrawatt Westfield LLC CSGGreen Street Power PartnersWestfield, MA6 GWhJan 2019Dec 2025 Solar
CantonCaptona Canton LLCCanton, MA6 GWhJul 2012Dec 2025 Solar
True NorthCD US Solar MT1 LLCSalisbury, MA6 GWhJul 2012Dec 2025 Solar
BeldensGreen Mountain Power CorpNew Haven, VT6 GWhJul 1913Dec 2025 Water
Richmond NMCAAES Distributed EnergyWood River Junction, RI6 GWhNov 2018May 2026 Solar
WED Green Hill, LLCWED Green Hill, LLCJohnston, RI6 GWhDec 2018May 2026 Wind
TunnelFirstLight Power Resources Services LLCPreston, CT6 GWhDec 1918Dec 2025 Water
Bird Machine Solar FarmBird Machine Solar Farm, LLCSouth Walpole, MA6 GWhJul 2017Dec 2025 Solar
Stillwater Hydro StationBrookfield Black Bear Hydro, LLCStillwater, ME6 GWhDec 1912Dec 2025 Water
Market Street Gardiner Solar, LLCREA Investments, LLCGardiner, ME6 GWhJun 2022Dec 2025 Solar
Harwich LandfillClean Focus Yield, LLCHarwich, MA6 GWhJul 2014Dec 2025 Solar
GSPP 7024 Fox Rd, LLCGreen Street Power PartnersMarcy, NY6 GWhApr 2023Dec 2025 Solar
Limestone CSG 1 LLCLimestone CSG 1 LLCLimestone, ME6 GWhNov 2024Dec 2025 Solar
TPE RI WA2 SolarTPE RI WA2, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
WilliamsburgAES Distributed EnergyGoshen, MA6 GWhJun 2019Dec 2025 Solar
Middlesex 2Green Mountain Power CorpMoretown, VT6 GWhDec 1927Dec 2025 Water
MA-Dighton-AMA CS Dighton, LLCDighton, MA6 GWhMay 2024Dec 2025 Solar
Mainely Solar (Wyman Hill Solar LLC)Wyman Hill Solar, LLCRumford, ME6 GWhNov 2022Dec 2025 Solar
Burlington Solar 1DG Connecticut III, LLCBurlington, CT6 GWhJan 2022Dec 2025 Solar
Hampden Solar PVNSTAR Electric CompanyHampden, MA6 GWhOct 2019Dec 2025 Solar
Granby Solar, LLC CSGGranby Solar, LLCGranby, MA6 GWhJun 2021Dec 2025 Solar
Our KatahdinGreenbacker Renewable Energy CorporationMillenocket, ME6 GWhNov 2024Dec 2025 Solar
Berwick Hubbard Solar 1Berwick Hubbard Solar 1, LLCBerwick, ME6 GWhNov 2024Dec 2025 Solar
RandolphAltus Power America Management, LLCRandolph, MA6 GWhOct 2017Dec 2025 Solar
BRNG Nicolin (CSG)Nautilus Solar SolutionsEllsworth, ME6 GWhNov 2024Dec 2025 Solar
Corkwood Solar (CSG)NextGrid Corkwood, LLCHowland, ME6 GWhOct 2023Dec 2025 Solar
West CharlestonBarton Village, IncWest Charleston, VT6 GWhJun 1931Jul 2025 Water
Mass Midstate Solar 3Evergreen Wind, LLCWarren, MA6 GWhApr 2014Dec 2025 Solar
Montague Site 36-GrosolarNSTAR Electric CompanyMillers Falls, MA6 GWhSep 2018May 2026 Solar
PalmerAES Distributed EnergyPalmer, MA6 GWhSep 2019Dec 2025 Solar
Franklin 2CD US Solar MT 2 LLCFranklin, MA6 GWhNov 2013Dec 2025 Solar
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA6 GWhOct 2022Dec 2025 Solar
Partridgeville Hybrid CSGPartridgeville Road Solar 1, LLCAthol, MA6 GWhDec 2019Dec 2024 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