2. Balancing Authorities
  3. ISO New England

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 2024
Annual Generation 103.1 TWh
Power Plants1,487
Utilities782
Ranked #15 out of 65 in terms of net annual generation
Ranked #11 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 57.5% Nuclear | 25.1% Water | 7.5% Other Fuel | 4.5% Wind | 3.3% Solar | 1.2% 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 901 to 1,000 of 1,204
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
ShepaugFirstLight Power Resources Services LLCSouthbury, CT163 GWhDec 1954Dec 2023 Water
ShermanGreat River Hydro, LLCRowe, MA35 GWhNov 1926Dec 2023 Water
Sherman SolarEcos Energy LLCGriswold, CT2 GWhNov 2019Dec 2023 Solar
Shirley LandfillAltus Power America Management, LLCShirley, MA1 GWhApr 2017Dec 2023 Solar
Shirley WaterAltus Power America Management, LLCShirley, MA3 GWhJul 2016Dec 2023 Solar
Shrewsbury SolarConsolidated Edison Development Inc.Shrewsbury, MA4 GWhSep 2012Dec 2023 Solar
Shuman SolarNuGen Capital ManagementStoughton, MA2 GWhMar 2016Dec 2023 Solar
SidneyNautilus Solar SolutionsSidney, ME1 GWhApr 2023Dec 2023 Solar
Signature Breads ChelseaJDC 65R Owner, LLCChelsea, MA2 MWhApr 2019Dec 2023 Distillate Fuel Oil
Sikorsky Aircraft CHPSikorsky Aircraft CorporationStratford, CT64 GWhMay 2010Dec 2023 Natural Gas : 99.9%
Silver Lake Solar Photovoltaic FacilityWestern Massachusetts Electric CompanyPittsfield, MA1 GWhNov 2010Dec 2023 Solar
Silver Lake (VT)Green Mountain Power CorpSalisbury, VT7 GWhJan 1917Dec 2023 Water
Silver MapleWEB Silver Maple Wind LLCClifton, ME52 GWhSep 2022Dec 2023 Wind
SJA Solar LLC-Solterra Monastery CSGSJA Solar, LLCSpencer, MA72 GWhNov 2016Dec 2023 Solar
SkeltonBrookfield White Pine Hydro LLCDayton, ME137 GWhDec 1947Dec 2023 Water
Smith College Central Heating PlantThe Trustees of Smith CollegeNorthampton, MA15 GWhSep 2008Dec 2023 Natural Gas
Smith (NH)Central Rivers Power NH, LLCBerlin, NH123 GWhJul 1948Dec 2023 Water
Smith (VT)Green Mountain Power CorpBradford, VT4 GWhNov 1982Dec 2023 Water
Smith & Wesson at Springfield MA PVLuminace Solar Massachusetts, LLCSpringfield, MA2 GWhJun 2017Dec 2023 Solar
Smithfield Solar Farm, LLCSmithfield Solar FarmSmithfield, RI4 GWhJun 2020Dec 2023 Solar
Solar Mule, LLCSolar Mule, LLCOakland, ME2 GWhAug 2017Dec 2023 Solar
Solten Plainville 6000, LLCAltus Power America Management, LLCPlainville, MA7 GWhJul 2017Dec 2023 Solar
Somers Solar Center, LLCOnward EnergySomers, CT8 GWhNov 2013Dec 2023 Solar
Somerset PlantSappi Fine Paper North America-SomersetSkowhegan, ME495 GWhDec 1975Sep 2024 Black Liquor : 45.9% Wood/Wood Waste Solids : 37.4% Natural Gas : 6.6% Tire-derived Fuels : 6.5% Residual Fuel Oil : 2.4% Sludge Waste : 1.0%
Somersworth Lower Great DamGreen Mountain Power CorpSomersworth, NH5 GWhJun 1985Dec 2023 Water
South MeadowNAES CorpHartford, CT1 GWhJul 1970Dec 2022 Kerosene
South Windsor Fuel CellSouth Energy Investments LLCSouth Windsor, CT39 GWhFeb 2020Dec 2023 Natural Gas
Southampton Solar PVNSTAR Electric CompanySouthampton, MA3 GWhJan 2019Dec 2023 Solar
Southbridge Landfill Gas-to-EnergySouthbridge Recycling and Disposal ParkSouthbridge, MA12 GWhSep 2011Dec 2023 Landfill Gas
Southbridge PVTerraform ArcadiaSouthbridge, MA4 GWhDec 2013Dec 2023 Solar
Southbridge SolarAES Distributed EnergySouthbridge, MA2 GWhFeb 2016Sep 2024 Solar
Southern Sky Renew Energy Berkley LLCSouthern Sky Renewable Energy Berkley, LLCBerkley, MA3 GWhMay 2014Dec 2023 Solar
Southington Solar OneDG Connecticut III, LLCSouthington, CT9 GWhJan 2022Dec 2023 Solar
Southwick Solar PVNSTAR Electric CompanySouthwick, MA8 GWhDec 2018Sep 2024 Solar
Spencer Solar MACitizens Enterprises CorporationSpencer, MA3 GWhFeb 2020Dec 2023 Solar
Spring Hill RoadAES Distributed EnergyBarre, MA3 GWhNov 2015Mar 2024 Solar
Spring Street Solar 1 CSGSpring Street Solar 1, LLCCarver, MA5 GWhFeb 2017Dec 2023 Solar
Springfield Solar PVNSTAR Electric CompanySpringfield, MA6 GWhDec 2018Dec 2023 Solar
Spruce Mountain WIndCPV Spruce Mountain Wind LLCBryant Pond, ME53 GWhNov 2011Dec 2023 Wind
St. Albans SPEED ProjectSt. Albans Solar Partners, LLCSt. Albans, VT2 GWhNov 2013Dec 2023 Solar
St. Joseph's Solar, LLC CSG38 Degrees North, LLCCharlton, MA2 GWhNov 2017Dec 2023 Solar
Stafford Hill Solar HybridGreen Mountain Power CorpRutland, VT923 MWhFeb 2015Sep 2024 Solar
Stafford MS Ground Mount Community SolarTown of Stafford - (CT)Stafford, CT3 GWhJun 2016Dec 2023 Solar
Stafford St 2 Community SolarStafford St Solar 2, LLCLecister, MA3 GWhApr 2018Dec 2023 Solar
Stafford St Solar 1 CSGStafford St Solar 1, LLCLeicester, MA12 GWhNov 2017Dec 2023 Solar
Stafford St Solar 3 CSGStafford St Solar 3, LLCLeicester, MA2 GWhNov 2017Dec 2023 Solar
Stamford HealthStamford Health Systems, Inc.Stamford, CT84 MWhDec 1983Dec 2022 Distillate Fuel Oil
StandishNautilus Solar SolutionsStandish, ME535 MWhSep 2023Dec 2023 Solar
State Street Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2023 Solar
Stetson Road Solar - Barre IKearsarge Solar LLCBarre, MA3 GWhApr 2014Dec 2023 Solar
Stetson Wind IEvergreen Wind, LLCDanforth, ME107 GWhDec 2008Dec 2023 Wind
Stetson Wind IIEvergreen Wind, LLCDanforth, ME46 GWhFeb 2010Dec 2023 Wind
Stevens Mills DamEagle Creek Renewable Energy, LLCFranklin, NH10 GWhMay 1982Dec 2023 Water
StevensonFirstLight Power Resources Services LLCMonroe, CT111 GWhDec 1918Dec 2023 Water
Stillwater BBrookfield Black Bear Hydro, LLCOld Town, ME13 GWhAug 2013Dec 2023 Water
Stillwater Hydro StationBrookfield Black Bear Hydro, LLCStillwater, ME12 GWhDec 1912Dec 2023 Water
Stone Hill Solar CSGMN8 Energy LLCNorth Easton, MA3 GWhJun 2014Dec 2023 Solar
Stony BrookMassachusetts Mun Wholes Electric CoLudlow, MA25 GWhOct 1981Sep 2024 Distillate Fuel Oil : 98.3% Natural Gas : 1.7%
Stow PVAES Distributed EnergyStow, MA2 GWhNov 2013Dec 2023 Solar
Subase Microgrid ProjectConnecticut Mun Elec Engy CoopGroton, CT34 GWhNov 2022Dec 2023 Natural Gas
Sudbury LandfillHeliovaas LLCSudbury, MA2 GWhNov 2013Dec 2023 Solar
Sudbury SolarEcos Energy LLCSudbury, VT3 GWhApr 2016Dec 2023 Solar
Sugar Hill Solar 1Sugar Hill Solar 1, LLCClifton Park, NY8 GWhNov 2020Dec 2023 Solar
Sullivan SolarAltus Power America Management, LLCNew Bedford, MA2 GWhJul 2014Dec 2023 Solar
Sunderland Solar PVNSTAR Electric CompanySunderland, MA2 GWhAug 2018Dec 2023 Solar
SunGen Sharon 1 LLCSunGen Sharon 1 LLCSharon, VT3 GWhJul 2012Dec 2023 Solar
Sunpin BlandfordBlandford Sun, LLCSouthwick, MA6 GWhMay 2020Nov 2023 Solar
Sutton Solar 2, LLC CSGSutton Solar 2, LLCSutton, MA1 GWhNov 2020Dec 2023 Solar
Sutton Solar CSGSutton Solar, LLCSutton, MA3 GWhOct 2016Dec 2023 Solar
SVEP Solar Project CompanyCVI CleanCapital Solar 1 LLCPownal, VT2 GWhNov 2012Dec 2023 Solar
Sydney SolarEcos Energy LLCHampton, CT3 GWhMay 2020Dec 2023 Solar
Syncarpha Blandford Hybrid CSGSyncarpha Blandford, LLCBlandford, MA8 GWhNov 2019Dec 2023 Solar
Syncarpha FreetownMarie's Way Solar I, LLCFreetown, MA7 GWhOct 2016Dec 2023 Solar
Syncarpha Halifax Hybrid CSGSyncarpha Halifax, LLCHalifax, MA3 GWhNov 2020Dec 2023 Solar : 99.0%
Syncarpha Hancock I CSGSyncarpha Hancock I, LLCHancock, MA3 GWhOct 2017Dec 2023 Solar
Syncarpha Hancock II CSGSyncarpha Hancock II, LLCHancock, MA3 GWhOct 2017Dec 2023 Solar
Syncarpha Hancock III CSGSyncarpha Hancock III, LLCPittsfield, MA2 GWhOct 2017Dec 2023 Solar
Syncarpha Leicester Hybrid CSGSyncarpha Leicester, LLCLeicester, MA4 GWhMay 2021Dec 2023 Solar : 99.5% Electricity used for energy storage : 0.5%
Syncarpha Millbury Hybrid (CSG)Syncarpha Millbury, LLCMillbury, MA8 GWhSep 2022Dec 2023 Solar
Syncarpha Northampton Hybrid CSGSyncarpha Northampton, LLCNorthampton, MA5 GWhNov 2020Dec 2023 Solar
Syncarpha Northbridge I Hybrid(CSG)Syncarpha Northbridge I, LLCWhitinsville, MA9 GWhNov 2021Dec 2023 Solar
Syncarpha Northbridge II Hybrid CSGSyncarpha Northbridge II, LLCWhitinsville, MA8 GWhMar 2021Dec 2023 Solar
Syncarpha Palmer, LLCSyncarpha Palmer, LLCPalmer, MA8 GWhNov 2015Dec 2023 Solar
Syncarpha Puddon I Hybrid CSGSyncarpha Puddon I, LLCNorthbridge, MA9 GWhFeb 2021Dec 2022 Solar
Syncarpha Puddon II Hybrid CSGSyncarpha Puddon II, LLCNorthbridge, MA9 GWhFeb 2021Dec 2022 Solar
Syncarpha Still River, LLC CSGSyncarpha Still River, LLCBolton, MA3 GWhNov 2016Dec 2023 Solar
Syncarpha Tewksbury Hybrid CSGSyncarpha Tewksbury, LLCTewksbury, MA4 GWhJan 2022Dec 2023 Solar
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA6 GWhOct 2022Dec 2023 Solar
TaftvilleFirstLight Power Resources Services LLCTaftville, CT5 GWhDec 1905Dec 2023 Water
Tanglewood Circle Solar 1 LLCTanglewood Circle Solar 1 LLCBecket, MA7 GWhOct 2018Dec 2023 Solar
Tank Farm 4Solar Breakers LLCPortsmouth, RI4 GWhSep 2022Dec 2023 Solar
Technology Drive SolarConsolidated Edison Development Inc.Brattleboro, VT3 GWhAug 2014Dec 2023 Solar
TempletonSunny Templeton, LLCTempleton, MA5 GWhNov 2014Dec 2023 Solar
Tenth StreetCity of Norwich - (CT)Norwich, CT4 GWhApr 1967Dec 2023 Water
TES RowtierSkyHigh 2 SolarWestminster, MA5 GWhMar 2021Dec 2023 Solar
Texon Hydroelectric ProjectHitchcock Hydro, LLCRussell, MA6 GWhDec 1981Dec 2023 Water
Theodore Drive Community SolarTheodore Drive Solar, LLCWestminster, MA2 GWhFeb 2018Dec 2023 Solar
Three Corners SolarThree Corners Solar, LLCUnity, ME69 GWh-Sep 2024 Solar
Thundermist HydroCity of WoonsocketProvidence, RI5 GWhMay 1981Sep 2023 Water
Ticket Network South WindsorEnterSolarSouth Windsor, CT2 GWhApr 2018Dec 2023 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#61Alcoa Power Generating, Inc. - Yadkin Division903.4 GWh4
#25Dominion Energy South Carolina, Inc.26.0 TWh85
#13Duke Energy Carolinas110.9 TWh556
#17Duke Energy Progress East63.2 TWh554
#51Duke Energy Progress West4.1 TWh10
#24Louisville Gas and Electric Company and Kentucky Utilities Company33.1 TWh20
#12New York Independent System Operator129.8 TWh1,100
#1PJM Interconnection, LLC843.4 TWh2,305
#31South Carolina Public Service Authority17.9 TWh33
#60Southeastern Power Administration1.6 TWh11

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator192.0 TWh1,943
#9Tennessee Valley Authority157.6 TWh170
#10Florida Power & Light Co.147.6 TWh159
#12New York Independent System Operator129.8 TWh1,100
#13Duke Energy Carolinas110.9 TWh556
#15ISO New England103.1 TWh1,487
#16Bonneville Power Administration80.0 TWh158
#17Duke Energy Progress East63.2 TWh554
#18Salt River Project Agricultural Improvement and Power District58.9 TWh45
#19PacifiCorp East52.7 TWh204