ISO New England

Balancing Authority Summary Information

ISO New England is ranked #14 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 Jul 2025
Annual Generation 103.8 TWh
Power Plants1,561
Utilities814
Ranked #14 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 | 57.2% Nuclear | 24.5% Water | 6.2% Other Fuel | 4.5% Wind | 3.7% Solar | 1.4% 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 201 to 300 of 1,270
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Sudbury SolarEcos Energy LLCSudbury, VT2 GWhApr 2016Dec 2024 Solar
Sudbury LandfillHeliovaas LLCSudbury, MA2 GWhNov 2013Dec 2024 Solar
ReEnergy Stratton LLCReEnergy Stratton LLCStratton, ME203 GWhOct 1989Dec 2024 Wood/Wood Waste Solids
Sikorsky Aircraft CHPSikorsky Aircraft CorporationStratford, CT53 GWhMay 2010Dec 2024 Natural Gas : 99.8%
Nebraska Valley Solar FarmTown of Stowe- (VT)Stowe, VT1 GWhJul 2016Dec 2024 Solar
Stow PVAES Distributed EnergyStow, MA2 GWhNov 2013Dec 2024 Solar
Shuman SolarNuGen Capital ManagementStoughton, MA2 GWhMar 2016Dec 2024 Solar
UCONN Cogen FacilityUniversity of ConnecticutStorrs, CT125 GWhFeb 2006Apr 2025 Natural Gas : 98.9% Distillate Fuel Oil : 1.1%
Stillwater Hydro StationBrookfield Black Bear Hydro, LLCStillwater, ME7 GWhDec 1912Dec 2024 Water
CES Sterling LLCSunEdison LLCSterling, MA3 GWhJan 2013Dec 2024 Solar
MA Solar Storage 1 HybridOrigis Energy USA, IncSterling, MA1 GWhFeb 2018Dec 2023 Solar
StandishNautilus Solar SolutionsStandish, ME7 GWhSep 2023Dec 2024 Solar
Stamford Health Tully Health CenterStamford Health Tully Health CenterStamford, CT5 GWhApr 2002Dec 2024 Natural Gas
Waterside Power, LLCWaterside Power, LLCStamford, CT2 GWhMay 2003Dec 2023 Distillate Fuel Oil
Stafford MS Ground Mount Community SolarTown of Stafford - (CT)Stafford, CT3 GWhJun 2016Dec 2024 Solar
Golden SolarCardinal RenewablesSt. Johnsbury, VT4 GWhOct 2021Dec 2024 Solar
St. Albans SPEED ProjectSt. Albans Solar Partners, LLCSt. Albans, VT2 GWhNov 2013Dec 2024 Solar
NE Renewable Springfield, LLCNE Renewable Springfield, LLCSpringfield, NH33 GWhNov 1987Dec 2024 Wood/Wood Waste Solids
Cottage Street Solar FacilityWestern Massachusetts Electric CompanySpringfield, MA3 GWhApr 2014Apr 2025 Solar
East Springfield Solar PVNSTAR Electric CompanySpringfield, MA2 GWhSep 2018Dec 2024 Solar
Indian Orchard PV FacilityWestern Massachusetts Electric CompanySpringfield, MA3 GWhNov 2011Dec 2024 Solar
Oak Street SolarCitizens Enterprises CorporationSpringfield, MA6 GWhNov 2019Dec 2024 Solar
Springfield Solar PVNSTAR Electric CompanySpringfield, MA6 GWhDec 2018Dec 2023 Solar
Chicopee River SolarCitizens Enterprises CorporationSpringfield, MA3 GWhDec 2014Dec 2024 Solar
Smith & Wesson at Springfield MA PVLuminace Solar Massachusetts, LLCSpringfield, MA2 GWhJun 2017Dec 2024 Solar
Blair Wire Village Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2024 Solar
Woodchuck Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2024 Solar
SJA Solar LLC-Solterra Monastery CSGSJA Solar, LLCSpencer, MA27 GWhNov 2016Dec 2024 Solar
Wilson SolarConsolidated Edison Solutions Inc.Spencer, MA2 GWhMay 2013Dec 2024 Solar
Cycz Solar Project CSG HybridAES Distributed EnergySpencer, MA3 GWhMay 2020Dec 2024 Solar
Spencer Solar MACitizens Enterprises CorporationSpencer, MA4 GWhFeb 2020Dec 2024 Solar
ZPD-PT Solar Project 2017-044 LLC CSGAES Distributed EnergySpencer, MA1 GWhSep 2021Dec 2024 Solar
Southwick Solar PVNSTAR Electric CompanySouthwick, MA8 GWhDec 2018Apr 2025 Solar
Kearsarge Southwick LLCKearsarge Solar LLCSouthwick, MA4 GWhFeb 2015Dec 2024 Solar
Sunpin BlandfordBlandford Sun, LLCSouthwick, MA6 GWhMay 2020Dec 2024 Solar
Goose Pond SolarLSE Dorado, LLCSouthwick, MA7 GWhDec 2019Dec 2024 Solar
Southington Solar OneDG Connecticut III, LLCSouthington, CT9 GWhJan 2022Dec 2024 Solar
ShepaugFirstLight Power Resources Services LLCSouthbury, CT117 GWhDec 1954Dec 2024 Water
Dudley River 2 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2024 Solar
Dudley River 3 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2024 Solar
Southbridge SolarAES Distributed EnergySouthbridge, MA2 GWhFeb 2016Apr 2025 Solar
Southbridge Landfill Gas-to-EnergySouthbridge Recycling and Disposal ParkSouthbridge, MA12 GWhSep 2011Dec 2024 Landfill Gas
Annese Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA8 GWhNov 2020Dec 2024 Solar
Alicea Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA4 GWhNov 2020Dec 2024 Solar
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhSep 2017Dec 2024 Solar
Southbridge PVTerraform ArcadiaSouthbridge, MA4 GWhDec 2013Dec 2024 Solar
West A&B Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA5 GWhNov 2020Dec 2024 Solar
Dudley River Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2024 Solar
ZPD-PT Solar Project 2017-023 LLC HybridAES Distributed EnergySouthbridge, MA4 GWhDec 2020Dec 2024 Solar
Dresser Hill CSGDresser Hill Solar, LLCSouthbridge, MA6 GWhDec 2020Dec 2024 Solar
Southampton Solar PVNSTAR Electric CompanySouthampton, MA3 GWhJan 2019Dec 2024 Solar
ALDI DC 2EnterSolarSouth Windsor, CT1 GWhJan 2018Dec 2024 Solar
Ticket Network South WindsorEnterSolarSouth Windsor, CT2 GWhApr 2018Dec 2024 Solar
South Windsor Fuel CellSouth Energy Investments LLCSouth Windsor, CT39 GWhFeb 2020Dec 2024 Natural Gas
Bird Machine Solar FarmBird Machine Solar Farm, LLCSouth Walpole, MA6 GWhJul 2017Dec 2024 Solar
Kearsarge SKSC1 LLCKearsarge SKSC1 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2024 Solar
Kearsarge SKSC2 LLCKearsarge SKSC2 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2024 Solar
Northbridge SolarConsolidated Edison Development Inc.South Grafton, MA3 GWhJul 2013Dec 2024 Solar
Old Frontier Solar IIIOld Frontier Solar III PV, LLCSouth Deerfield, MA4 GWhAug 2022Dec 2024 Solar
Federal Road Solar 1, LLC CSGFederal Road Solar 1, LLCSouth Carver, MA16 GWhNov 2015Dec 2023 Solar
Claire Solar FarmClaire Solar Partners LLCSouth Burlington, VT4 GWhJun 2014Dec 2024 Solar
Chittenden County Solar PartnersChittenden County Solar Partners LLCSouth Burlington, VT3 GWhApr 2011Dec 2024 Solar
158th Fighter Wing Solar Farm158th Fighter WingSouth Burlington, VT1 GWhAug 2011Dec 2023 Solar
Gorge 18Green Mountain Power CorpSouth Burlington, VT17 GWhDec 1927Dec 2024 Water
Salmon FallsGreen Mountain Power CorpSouth Berwick, ME3 GWhJun 1986Dec 2024 Water
CoreSite - SomervilleBloom EnergySomerville, MA5 GWhAug 2020Dec 2024 Natural Gas
Somersworth Lower Great DamGreen Mountain Power CorpSomersworth, NH3 GWhJun 1985Jun 2024 Water
Somers Solar Center, LLCOnward EnergySomers, CT8 GWhNov 2013Dec 2023 Solar
Barrow SolarEcos Energy LLCSomers, CT3 GWhMay 2021Dec 2024 Solar
Few SolarEcos Energy LLCSomers, CT2 GWhDec 2020Dec 2024 Solar
Madison SolarEcos Energy LLCSomers, CT2 GWhDec 2020Dec 2024 Solar
Blair SolarEcos Energy LLCSomers, CT2 GWhDec 2020Dec 2024 Solar
Williams HydroBrookfield White Pine Hydro LLCSolon, ME80 GWhDec 1938Dec 2024 Water
Elizabeth Mines Solar 1Elizabeth Mines Solar 1, LLCSo. Strafford, VT7 GWhOct 2017Dec 2024 Solar
Smithfield Solar Farm, LLCSmithfield Solar FarmSmithfield, RI4 GWhJun 2020Dec 2023 Solar
ME Novel Lighthouse - Front St. Solar CSLuminace Sunbeam Development Holdings, LLCSkowhegan, ME4 GWhApr 2023Dec 2024 Solar
Somerset PlantSappi Fine Paper North America-SomersetSkowhegan, ME535 GWhDec 1975Apr 2025 Black Liquor : 47.3% Wood/Wood Waste Solids : 37.0% Tire-derived Fuels : 6.1% Natural Gas : 6.0% Residual Fuel Oil : 2.6% Sludge Waste : 1.0%
Weston HydroBrookfield White Pine Hydro LLCSkowhegan, ME57 GWhDec 1919Dec 2024 Water
DWW Solar llDWW Solar ll LLCSimsbury, CT53 GWhNov 2019Apr 2025 Solar
SidneyNautilus Solar SolutionsSidney, ME2 GWhApr 2023Dec 2024 Solar
Centech Gas GeneratorTown of Shrewsbury - (MA)Shrewsbury, MA537 MWhMar 2019Dec 2024 Natural Gas
Shrewsbury SolarConsolidated Edison Development Inc.Shrewsbury, MA4 GWhSep 2012Dec 2024 Solar
ShrewsburyTown of Shrewsbury - (MA)Shrewsbury, MA34 MWhOct 1969Dec 2024 Distillate Fuel Oil
SELCO Community SolarMassachusetts Mun Wholes Electric CoShrewsbury, MA5 GWhMay 2018Dec 2024 Solar
EBZ SolarCitizens Enterprises CorporationShirley, MA4 GWhDec 2012Dec 2024 Solar
Shirley LandfillAltus Power America Management, LLCShirley, MA1 GWhApr 2017Dec 2024 Solar
Shirley WaterAltus Power America Management, LLCShirley, MA3 GWhJul 2016Dec 2024 Solar
DevensAltus Power America Management, LLCShirley, MA5 GWhMay 2014Dec 2024 Solar
Derby HydroMcCallum Enterprises I LPShelton, CT24 GWhDec 1988Dec 2024 Water
Emerald Gardens PKI, LLCEmerald Gardens PKI, LLCShelton, CT2 GWhSep 2021Dec 2024 Solar
Sheldon Springs HydroelectricCentral Rivers Power US, LLCSheldon Springs, VT68 GWhJun 1988Dec 2024 Water
Sheldon SolarExcelsior Energy CapitalSheldon Springs, VT3 GWhAug 2013Dec 2024 Solar
Limerick Road Solar FarmLimerick Road Solar, LLCShelburne, VT3 GWhNov 2013Dec 2024 Solar
Sheffield WindEvergreen Wind, LLCSheffield, VT75 GWhSep 2011Apr 2025 Wind
Berkshire 1PPS Berkshire Solar LLCSheffield, MA2 GWhNov 2011Dec 2024 Solar
Seaboard Sheffield, LLCNavisun LLCSheffield, MA3 GWhMar 2021Dec 2023 Solar
ShawmutBrookfield White Pine Hydro LLCShawmut, ME17 GWhDec 1912Dec 2024 Water
SunGen Sharon 1 LLCSunGen Sharon 1 LLCSharon, VT3 GWhJul 2012Dec 2023 Solar
Woodland Avenue Solar 1Woodland Avenue Solar 1, LLCSeekonk, MA8 GWhJul 2020Dec 2024 Solar
Caterpillar HillAES Clean EnergySedgwick, ME9 GWhNov 2023Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator190.4 TWh2,051
#8Tennessee Valley Authority158.5 TWh204
#10Florida Power & Light Co.149.2 TWh187
#12New York Independent System Operator130.9 TWh1,191
#13Duke Energy Carolinas111.9 TWh565
#14ISO New England103.8 TWh1,561
#16Bonneville Power Administration81.2 TWh163
#17Duke Energy Progress East65.1 TWh558
#18Salt River Project Agricultural Improvement and Power District58.9 TWh48
#19PacifiCorp East57.8 TWh215