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 Mar 2026
Annual Generation 110.5 TWh
Power Plants1,577
Utilities819
Ranked #15 out of 65 in terms of net annual generation
Ranked #11 out of 54 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 55.9% Nuclear | 25.1% Water | 4.6% Other Fuel | 4.3% Wind | 4.3% Solar | 1.4% 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 201 to 300 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
RandolphAltus Power America Management, LLCRandolph, MA6 GWhOct 2017Dec 2024 Solar
Naval Sub Base New London Fuel CellGroton Station Fuel Cell, LLCGroton, CT44 GWhNov 2022Dec 2024 Natural Gas
East Acres Solar NG, LLCNuGen Capital ManagementPittsfield, MA5 GWhMar 2017Dec 2024 Solar
Syncarpha Hancock I CSGSyncarpha Hancock I, LLCHancock, MA3 GWhOct 2017Dec 2024 Solar
Syncarpha Hancock II CSGSyncarpha Hancock II, LLCHancock, MA3 GWhOct 2017Dec 2024 Solar
Syncarpha Hancock III CSGSyncarpha Hancock III, LLCPittsfield, MA2 GWhOct 2017Dec 2024 Solar
Syncarpha Still River, LLC CSGSyncarpha Still River, LLCBolton, MA4 GWhNov 2016Dec 2024 Solar
Trinity College Fuel CellAEP Onsite Partners, LLCHartford, CT12 GWhJul 2018Dec 2024 Natural Gas
Kearsarge Concord IIKearsarge Concord II LLCConcord, MA7 GWhDec 2016Dec 2024 Solar
Kearsarge GranbyKearsarge Granby LLCGranby, MA4 GWhFeb 2017Dec 2024 Solar
IKEA New Haven Rooftop PV & Fuel CellIKEA Property IncNew Haven, CT3 GWhJun 2012Dec 2024 Natural Gas : 73.1% Solar : 26.9%
Hope Farm Solar, LLCAdapture Renewables, Inc.Cranston, RI16 GWhAug 2019Dec 2024 Solar
Toray Plastic America's CHP PlantToray Plastics AmericaNorth Kingstown, RI147 GWhDec 2002Dec 2024 Natural Gas
Saint Albans SolarCypress Creek RenewablesGeorgia, VT8 GWhSep 2018Dec 2024 Solar
Franklin Solar (CT)Ecos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
Wilson Solar (CT)Ecos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
Jefferson Solar (CT)Ecos Energy LLCLebanon, CT2 GWhDec 2017Dec 2024 Solar
Hamilton SolarEcos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
Adams SolarEcos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
Wareham Solar PVNSTAR Electric CompanyWareham, MA1 GWhNov 2018Dec 2024 Solar
East Longmeadow Solar PVNSTAR Electric CompanyEast Longmeadow, MA5 GWhSep 2019Dec 2024 Solar
Greenfield Solar PVNSTAR Electric CompanyGreenfield, MA3 GWhDec 2018Dec 2024 Solar
Hinsdale Solar PVNSTAR Electric CompanyHinsdale, MA3 GWhDec 2018Dec 2024 Solar
Savoy Solar PVNSTAR Electric CompanySavoy, MA3 GWhJan 2019Dec 2024 Solar
Southampton Solar PVNSTAR Electric CompanySouthampton, MA3 GWhJan 2019Dec 2024 Solar
Springfield Solar PVNSTAR Electric CompanySpringfield, MA6 GWhDec 2018Dec 2024 Solar
Hampden Solar PVNSTAR Electric CompanyHampden, MA6 GWhOct 2019Dec 2024 Solar
Town of BranfordTesla Inc.Branford, CT2 GWhMay 2018Dec 2024 Solar
Sunderland Solar PVNSTAR Electric CompanySunderland, MA2 GWhAug 2018Dec 2024 Solar
Hatfield Solar PVNSTAR Electric CompanyHatfield, MA6 GWhNov 2018Dec 2024 Solar
East Springfield Solar PVNSTAR Electric CompanySpringfield, MA2 GWhSep 2018Dec 2024 Solar
Ludlow Site 72 - ContiNSTAR Electric CompanyLudlow, MA2 GWhJul 2018Dec 2024 Solar
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 Shun II, LLCWED Shun II, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Shun III, LLCWED Shun III, LLCJohnston, RI7 GWhDec 2018Dec 2024 Wind
WED GW Solar, LLCCleanCapital HoldingsLincoln, RI4 GWhDec 2018Dec 2024 Solar
PalmerAES Distributed EnergyPalmer, MA6 GWhSep 2019Dec 2024 Solar
Hadley 2 Solar, LLC CSGHadley 2 Solar, LLCHadley, MA3 GWhNov 2016Dec 2024 Solar
East Bridgewater SolarAltus Power America Management, LLCEast Bridgewater, MA3 GWhOct 2017Dec 2024 Solar
Griffin Road Solar, LLC CSGGriffin Road Solar, LLCCharlton, MA3 GWhFeb 2018Dec 2024 Solar
Ashby Solar, LLC CSGAshby Solar, LLCFitchburg, MA3 GWhJun 2018Dec 2024 Solar
Dudley Solar CSGDudley Solar, LLCDudley, MA3 GWhJul 2017Dec 2024 Solar
WilliamsburgAES Distributed EnergyGoshen, MA7 GWhJun 2019Dec 2024 Solar
Monson Solar, LLCMonson Solar, LLCMonson, MA3 GWhJul 2017Dec 2024 Solar
Westminster Renewables, LLC CSGWestminster Renewables, LLCWestminster, MA2 GWhSep 2018Dec 2024 Solar
Pittsfield 44 - M&W PVNSTAR Electric CompanyPittsfield, MA2 GWhJul 2018Dec 2024 Solar
Plymouth SolarNSTAR Electric CompanyPlymouth, MA1 GWhMay 2018Dec 2024 Solar
North Stonington Solar Center, LLCAdapture Renewables, Inc.North Stonington, CT30 GWhSep 2022Dec 2024 Solar
Dynamic - WalpoleAES Distributed EnergyWalpole, MA3 GWhMay 2017Dec 2024 Solar
Barre Solar III LLCAES Distributed EnergyBarre, MA1 GWhFeb 2018Dec 2024 Solar
BWC Origination 18BWC Origination 18, LLCMattapoisett, MA8 GWhNov 2018Dec 2024 Solar
BWC Gibbs BrookBWC Gibbs Brook, LLCWareham, MA6 GWhNov 2018Dec 2024 Solar
BWC Wareham RiverBWC Wareham River, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
BWC Harlow BrookBWC Harlow Brook, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
WestminsterMN8 Energy LLCWestminster, VT3 GWhNov 2016Dec 2024 Solar
Winchendon Landfill SolarOnyx Asset Services GroupWinchendon, MA3 GWhSep 2018Dec 2024 Solar
Kearsarge GBKearsarge GB LLCGreat Barrington, MA3 GWhJul 2018Dec 2024 Solar
Kearsarge SKSC1 LLCKearsarge SKSC1 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2024 Solar
Kearsarge UxbridgeKearsarge Uxbridge LLCUxbridge, MA3 GWhAug 2018Dec 2024 Solar
Kearsarge MontagueKearsarge Montague LLCMontague, MA7 GWhMay 2018Dec 2024 Solar
Kearsarge SKSC2 LLCKearsarge SKSC2 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2024 Solar
Kearsarge WilmingtonKearsarge Wilmington LLCWilmington, MA2 GWhNov 2017Dec 2024 Solar
GD Richmond Buttonwoods I, LLCGD Richmond Buttonwoods I, LLCRichmond, RI2 GWhNov 2019Dec 2024 Solar
GD West Greenwich Victory I, LLCGD West Greenwich Victory I, LLCWest Greenwich, RI3 GWhNov 2019Dec 2024 Solar
Plainfield Community Solar LLCPlainfield Solar LLCPlainfield, MA3 GWhJan 2019Dec 2024 Solar
Tolland Solar NG LLCNuGen Capital ManagementTolland, MA5 GWhSep 2014Dec 2024 Solar
Roger Williams - Melville at PortsmouthLuminace Solar Rhode Island, LLCPortsmouth, RI5 GWhFeb 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

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator179.9 TWh2,075
#9Tennessee Valley Authority162.4 TWh204
#10Florida Power & Light Co.150.5 TWh187
#12New York Independent System Operator134.0 TWh1,211
#13Duke Energy Carolinas112.4 TWh565
#15ISO New England110.5 TWh1,577
#16Bonneville Power Administration85.9 TWh163
#17Duke Energy Progress East64.5 TWh559
#18PacifiCorp East60.9 TWh216
#19Salt River Project Agricultural Improvement and Power District60.3 TWh48