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 401 to 500 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Water Street SolarAES Distributed EnergyRandolph, ME7 GWhNov 2022Dec 2025 Solar
Boston Scientific SolarRWE Clean EnergyQuincy, MA1 GWhNov 2012Dec 2025 Solar
Thundermist HydroCity of Woonsocket - (RI)Providence, RI3 GWhMay 1981Jul 2025 Water
Manchester StreetManchester Street, LLC.Providence, RI2 TWhAug 1995May 2026 Natural Gas : 92.2% Distillate Fuel Oil : 7.8%
Little BayAltus Power America Management, LLCProvidence, RI1 GWhFeb 2014Dec 2025 Solar
Rhode Island HospitalRhode Island HospitalProvidence, RI53 GWhSep 1974May 2026 Natural Gas : 87.3% Residual Fuel Oil : 12.7%
NBC Field's Point Wind FarmNarragansett Bay CommissionProvidence, RI7 GWhSep 2012May 2026 Wind
Green Providence Wind II, LLCGreen Providence Wind II, LLCProvidence, RI5 GWhNov 2021Dec 2025 Wind
Green Providence Wind I, LLCGreen Providence Wind I, LLCProvidence, RI2 GWhNov 2021Dec 2025 Wind
ProctorGreen Mountain Power CorpProctor, VT28 GWhJul 1905Dec 2025 Water
Princeton Wind FarmTown of Princeton - (MA)Princeton, MA4 GWhDec 2009Dec 2025 Wind
TunnelFirstLight Power Resources Services LLCPreston, CT6 GWhDec 1918Dec 2025 Water
Covanta Southeastern Connecticut CompanyCovanta Southeastern Connecticut CompanyPreston, CT108 GWhNov 1991May 2026 Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Distillate Fuel Oil : 2.1%
ME Fort Fairfield Solar PlantME Fort Fairfield LLCPresque Isle, ME4 GWhNov 2024Dec 2025 Solar
Mechanic Street (CSG)Nautilus Solar SolutionsPresque Island, ME4 GWhNov 2024Dec 2025 Solar
Missile Street (CSG)Nautilus Solar SolutionsPresque Island, ME4 GWhNov 2024Dec 2025 Solar
SVEP Solar Project CompanyCVI CleanCapital Solar 1 LLCPownal, VT2 GWhNov 2012Dec 2025 Solar
Founders Homestead Farms SolarAES Distributed EnergyPortsmouth, RI6 GWhNov 2019May 2026 Solar
WED Portsmouth One, LLCGreenbacker Renewable Energy CorporationPortsmouth, RI5 GWhJul 2016Dec 2025 Wind
Kearsarge West Shore Solar LLCKearsarge West Shore Solar LLCPortsmouth, RI9 GWhNov 2022Dec 2025 Solar
Tank Farm 4Solar Breakers LLCPortsmouth, RI13 GWhSep 2022Dec 2025 Solar
McAllister LandfillSolar Breakers LLCPortsmouth, RI2 GWhSep 2022Dec 2025 Solar
Roger Williams - Melville at PortsmouthLuminace Solar Rhode Island, LLCPortsmouth, RI5 GWhFeb 2021Dec 2025 Solar
SchillerGranite Shore PowerPortsmouth, NH888 MWhSep 1952May 2026 Jet Fuel
Cape Gas TurbineFPL Energy Cape LLCPortland, ME752 MWhDec 1969Dec 2025 Distillate Fuel Oil
Regional Waste SystemsEcomainePortland, ME87 GWhMay 1988May 2026 Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.7%
Woods Hill SolarWoods Hill Solar, LLCPomfret, CT22 GWhNov 2018May 2026 Solar
Lewiston Junction Road SolarNextGrid Peppertree, LLCPoland, ME7 GWhDec 2021Dec 2025 Solar
Plympton Main Street Solar, LLCREA Investments, LLCPlympton, MA7 GWhNov 2023Dec 2025 Solar
Plympton Lake Street SolarREA Investments, LLCPlympton, MA2 GWhNov 2022Dec 2025 Solar
UplandGreenbacker Renewable Energy CorporationPlympton, MA3 GWhMay 2025Dec 2025 Solar
Ring RoadGreenbacker Renewable Energy CorporationPlympton, MA2 GWhMay 2025Dec 2025 Solar
Plymouth Site 1CleanCapital HoldingsPlympton, MA7 GWhSep 2013Dec 2025 Solar
Redbrook Community Solar 1Redbrook Solar 1, LLCPlympton, MA1 GWhSep 2017Dec 2025 Solar
Brook Street Solar 1 CSGBrook Street Solar 1, LLCPlympton, MA3 GWhJul 2017Dec 2025 Solar
Future Generation WindRWE Clean EnergyPlymouth, MA12 GWhJul 2016Nov 2025 Wind
New Bedford (MA) PlymouthBWC Origination 4, LLCPlymouth, MA7 GWhJun 2014Dec 2025 Solar
Camelot Wind LLCCamelot Wind LLCPlymouth, MA2 GWhSep 2012Dec 2024 Wind
Plymouth SolarNSTAR Electric CompanyPlymouth, MA2 GWhMay 2018Dec 2025 Solar
Cedarville CSGAltus Power America Management, LLCPlymouth, MA914 MWhJun 2017Dec 2025 Solar
Big George PV CSGAltus Power America Management, LLCPlymouth, MA1 GWhAug 2018Dec 2025 Solar
Lepomis PV Energy LLCCleanCapital HoldingsPlymouth, MA8 GWhMay 2014Dec 2025 Solar
Solten Plainville 6000, LLCAltus Power America Management, LLCPlainville, MA7 GWhJul 2017Dec 2025 Solar
Wilmarth SolarWilmarth Lane Solar 1, LLCPlainville, MA8 GWhJan 2020Dec 2024 Solar
5 BerryMadison Energy Investments LLCPlainsville, MA8 GWhAug 2023Dec 2025 Solar
Plainfield Community Solar LLCPlainfield Solar LLCPlainfield, MA3 GWhJan 2019Dec 2025 Solar
Plainfield Solar 2Ecos Energy LLCPlainfield, CT2 GWhMar 2020Dec 2025 Solar
Plainfield Solar 1Ecos Energy LLCPlainfield, CT2 GWhDec 2019Dec 2025 Solar
Plainfield Renewable Energy LLCPlainfield Renewable Energy, LLCPlainfield, CT245 GWhNov 2013Dec 2025 Wood/Wood Waste Solids : 99.3% Other Biomass Liquids : 0.7%
PittsfordGreen Mountain Power CorpPittsford, VT8 GWhJan 1914Dec 2025 Water
East Acres Solar NG, LLCNuGen Capital ManagementPittsfield, MA5 GWhMar 2017Dec 2025 Solar
Pittsfield Generating LPPittsfield Generating Company, LPPittsfield, MA136 GWhJun 1990May 2026 Natural Gas : 96.9% Distillate Fuel Oil : 3.1%
Pittsfield 44 - M&W PVNSTAR Electric CompanyPittsfield, MA2 GWhJul 2018Dec 2025 Solar
Silver Lake Solar Photovoltaic FacilityWestern Massachusetts Electric CompanyPittsfield, MA2 GWhNov 2010Dec 2025 Solar
Syncarpha Hancock III CSGSyncarpha Hancock III, LLCPittsfield, MA1 GWhOct 2017Dec 2025 Solar
Oak Leaf Solar XVII Community SolarNavisun LLCPittsfield, MA47 MWhNov 2025Dec 2025 Solar
Oak Leaf Solar XVI Community SolarNavisun LLCPittsfield, MA10 MWhNov 2025Dec 2025 Solar
Downing Parkway SolarDowning Parkway Solar LLCPittsfield, MA3 GWhJun 2015Dec 2025 Solar
Pittsfield Solar LLCPittsfiled Solar LLCPittsfield, ME15 GWhNov 2017Dec 2025 Solar
Pittsfield Solar (N. Main St)Maine DG Solar Pittsfield, LLCPittsfield, ME8 GWhSep 2023Dec 2025 Solar
Barton Acres Solar, LLC CSG38 Degrees North, LLCPhillipston, MA2 GWhSep 2017Dec 2025 Solar
Peru (MA)Sunrise on West Main Rd. LLCPeru, MA5 GWhOct 2020Dec 2024 Solar
Pepperell Hydro Power PlantEagle Creek Renewable Energy, LLCPepperell, MA2 GWhDec 1919May 2026 Water
Rolfe Canal HydroBriar-Hydro AssociatesPenacook, NH16 GWhNov 1987Dec 2025 Water
Penacook Upper Falls HydroBriar-Hydro AssociatesPenacook, NH11 GWhNov 1986Dec 2025 Water
Onyx - Pembroke Landfill SolarOnyx Asset Services GroupPembroke, MA3 GWhNov 2017Dec 2025 Solar
Waters RiverCity of Peabody - (MA)Peabody, MA6 GWhNov 1971Dec 2025 Natural Gas : 71.3% Distillate Fuel Oil : 28.7%
MMWEC Simple Cycle Gas TurbineMassachusetts Mun Wholes Electric CoPeabody, MA8 GWhJun 2024Dec 2025 Distillate Fuel Oil : 69.0% Natural Gas : 31.0%
ME Novel Lighthouse - Penobscot CSGLuminace Sunbeam Development Holdings, LLCPatten, ME4 GWhAug 2024Dec 2025 Solar
Ryans RanchNautilus Solar SolutionsParis, ME5 GWhMay 2022Dec 2025 Solar
GMP Solar - Panton HybridGreen Mountain Power CorpPanton, VT8 GWhNov 2016May 2026 Solar
Palmyra PV - BD Solar Palmyra LLCBD Solar Palmyra LLCPalmyra, ME8 GWhMay 2022Dec 2025 Solar
Breckenridge SolarBreckenridge Street Solar 1, LLCPalmer, MA7 GWhOct 2020Dec 2024 Solar
Peterson Road SolarPeterson Road Solar, LLCPalmer, MA4 GWhMar 2017Dec 2025 Solar
WYM 1250 Palmer LLCCVI CleanCapital Solar 6Palmer, MA1 GWhAug 2013Dec 2025 Solar
Palmer LandfillSyncarpha Bondsville, LLCPalmer, MA6 GWhNov 2016Dec 2025 Solar
Syncarpha Palmer, LLCSyncarpha Palmer, LLCPalmer, MA7 GWhNov 2015Dec 2025 Solar
PalmerAES Distributed EnergyPalmer, MA6 GWhSep 2019Dec 2025 Solar
Browne Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2025 Solar
State Street Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2025 Solar
Indian Hill Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2025 Solar
OxfordCVI CleanCapital Solar 6Oxford, MA3 GWhJun 2014Dec 2025 Solar
Barrett PVMN8 Energy LLCOxford, MA17 GWhOct 2016Dec 2025 Solar
Seaboard Oxford, LLCNavisun LLCOxford, MA3 GWhJul 2020Dec 2025 Solar
Oxford SolarCitizens Enterprises CorporationOxford, MA5 GWhJan 2020Dec 2025 Solar
Joe JennyAMP MA Joe JennyOxford, MA2 GWhApr 2018Dec 2024 Solar
Oxford PV - BD Solar Oxford LLCBD Solar Oxford LLCOxford, ME13 GWhMay 2021Dec 2025 Solar
CPV Towantic Energy CenterCPV Towantic, LLCOxford, CT6 TWhApr 2018May 2026 Natural Gas
Nutting Ridge Solar, LLCREA Investments, LLCOtisfield, ME7 GWhMay 2023Dec 2025 Solar
MA Military Reservation Wind ProjectAir Force Civil Engineer CenterOtis ANG Base Bourne, MA5 GWhNov 2009Dec 2025 Wind
Onondaga County- ClearwaterTesla Inc.Oswego, NY3 GWhJun 2017Dec 2025 Solar
Orono BBrookfield Black Bear Hydro, LLCOrono, ME17 GWhOct 2013Dec 2025 Water
Orono Hydro StationBrookfield Black Bear Hydro, LLCOrono, ME6 GWhDec 2008Dec 2025 Water
Oneida County- DPWTesla Inc.Oriskany, NY1 GWhSep 2017Dec 2025 Solar
Hunt Farm SolarAltus Power America Management, LLCOrange, MA3 GWhAug 2013Dec 2025 Solar
Orange PVTerraform ArcadiaOrange, MA3 GWhJun 2013Dec 2025 Solar
OSG Solar 1 LLCNavisun LLCOrange, MA3 GWhJun 2012Dec 2025 Solar
Wilbur Woods Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2025 Solar
W. Orange Rd Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2025 Solar
Rowe (CSG)AES Distributed EnergyOlean, NY8 GWhOct 2021Dec 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