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 2025
Annual Generation 105.5 TWh
Power Plants1,577
Utilities819
Ranked #15 out of 65 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 55.8% Nuclear | 26% Water | 5% Other Fuel | 4.4% Wind | 4% Solar | 1.5% 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 401 to 500 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
WED Portsmouth One, LLCGreenbacker Renewable Energy CorporationPortsmouth, RI4 GWhJul 2016Dec 2024 Wind
Founders Homestead Farms SolarAES Distributed EnergyPortsmouth, RI6 GWhNov 2019Sep 2025 Solar
Tank Farm 4Solar Breakers LLCPortsmouth, RI10 GWhSep 2022Dec 2024 Solar
Kearsarge West Shore Solar LLCKearsarge West Shore Solar LLCPortsmouth, RI9 GWhNov 2022Dec 2024 Solar
McAllister LandfillSolar Breakers LLCPortsmouth, RI1 GWhSep 2022Dec 2024 Solar
Roger Williams - Melville at PortsmouthLuminace Solar Rhode Island, LLCPortsmouth, RI5 GWhFeb 2021Dec 2024 Solar
SchillerGranite Shore PowerPortsmouth, NH590 MWhSep 1952Sep 2025 Jet Fuel
Cape Gas TurbineFPL Energy Cape LLCPortland, ME111 MWhDec 1969Dec 2024 Distillate Fuel Oil
Regional Waste SystemsEcomainePortland, ME90 GWhMay 1988Sep 2025 Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.7%
Woods Hill SolarWoods Hill Solar, LLCPomfret, CT25 GWhNov 2018Sep 2025 Solar
Lewiston Junction Road SolarNextGrid Peppertree, LLCPoland, ME7 GWhDec 2021Dec 2024 Solar
Plympton Lake Street SolarREA Investments, LLCPlympton, MA2 GWhNov 2022Dec 2024 Solar
Plympton Main Street Solar, LLCREA Investments, LLCPlympton, MA8 GWhNov 2023Dec 2024 Solar
Brook Street Solar 1 CSGBrook Street Solar 1, LLCPlympton, MA3 GWhJul 2017Dec 2024 Solar
Redbrook Community Solar 1Redbrook Solar 1, LLCPlympton, MA4 GWhSep 2017Dec 2024 Solar
Plymouth Site 1CleanCapital HoldingsPlympton, MA7 GWhSep 2013Dec 2024 Solar
Big George PV CSGAltus Power America Management, LLCPlymouth, MA1 GWhAug 2018Dec 2024 Solar
Camelot Wind LLCCamelot Wind LLCPlymouth, MA2 GWhSep 2012Dec 2024 Wind
Lepomis PV Energy LLCCleanCapital HoldingsPlymouth, MA8 GWhMay 2014Dec 2024 Solar
Future Generation WindConsolidated Edison Solutions Inc.Plymouth, MA14 GWhJul 2016Dec 2024 Wind
Plymouth SolarNSTAR Electric CompanyPlymouth, MA1 GWhMay 2018Dec 2024 Solar
Cedarville CSGAltus Power America Management, LLCPlymouth, MA4 GWhJun 2017Dec 2024 Solar
New Bedford (MA) PlymouthBWC Origination 4, LLCPlymouth, MA7 GWhJun 2014Dec 2024 Solar
Solten Plainville 6000, LLCAltus Power America Management, LLCPlainville, MA7 GWhJul 2017Dec 2024 Solar
Wilmarth SolarWilmarth Lane Solar 1, LLCPlainville, MA8 GWhJan 2020Dec 2024 Solar
5 BerryMadison Energy Investments LLCPlainsville, MA4 GWhAug 2023Dec 2024 Solar
Plainfield Community Solar LLCPlainfield Solar LLCPlainfield, MA3 GWhJan 2019Dec 2024 Solar
Plainfield Renewable Energy LLCPlainfield Renewable Energy, LLCPlainfield, CT247 GWhNov 2013Oct 2024 Wood/Wood Waste Solids : 99.5% Other Biomass Liquids : 0.5%
Plainfield Solar 1Ecos Energy LLCPlainfield, CT1 GWhDec 2019Dec 2024 Solar
Plainfield Solar 2Ecos Energy LLCPlainfield, CT1 GWhMar 2020Dec 2024 Solar
PittsfordGreen Mountain Power CorpPittsford, VT8 GWhJan 1914Dec 2024 Water
Silver Lake Solar Photovoltaic FacilityWestern Massachusetts Electric CompanyPittsfield, MA805 MWhNov 2010Dec 2024 Solar
Pittsfield 44 - M&W PVNSTAR Electric CompanyPittsfield, MA2 GWhJul 2018Dec 2024 Solar
Pittsfield Generating LPPittsfield Generating Company, LPPittsfield, MA123 GWhJun 1990Sep 2025 Natural Gas : 98.6% Distillate Fuel Oil : 1.4%
Syncarpha Hancock III CSGSyncarpha Hancock III, LLCPittsfield, MA2 GWhOct 2017Dec 2024 Solar
East Acres Solar NG, LLCNuGen Capital ManagementPittsfield, MA5 GWhMar 2017Dec 2024 Solar
Downing Parkway SolarDowning Parkway Solar LLCPittsfield, MA3 GWhJun 2015Dec 2024 Solar
Pittsfield Solar LLCPittsfiled Solar LLCPittsfield, ME17 GWhNov 2017Dec 2024 Solar
Pittsfield Solar (N. Main St)Maine DG Solar Pittsfield, LLCPittsfield, ME8 GWhSep 2023Dec 2024 Solar
Barton Acres Solar, LLC CSG38 Degrees North, LLCPhillipston, MA2 GWhSep 2017Dec 2024 Solar
Peru (MA)Sunrise on West Main Rd. LLCPeru, MA5 GWhOct 2020Dec 2024 Solar
Pepperell Hydro Power PlantEagle Creek Renewable Energy, LLCPepperell, MA4 GWhDec 1919Sep 2025 Water
Penacook Upper Falls HydroBriar-Hydro AssociatesPenacook, NH12 GWhNov 1986Dec 2024 Water
Rolfe Canal HydroBriar-Hydro AssociatesPenacook, NH17 GWhNov 1987Dec 2024 Water
Onyx - Pembroke Landfill SolarOnyx Asset Services GroupPembroke, MA3 GWhNov 2017Dec 2024 Solar
Waters RiverCity of Peabody - (MA)Peabody, MA5 GWhNov 1971Nov 2024 Natural Gas : 78.8% Distillate Fuel Oil : 21.2%
ME Novel Lighthouse - Penobscot CSGLuminace Sunbeam Development Holdings, LLCPatten, ME812 MWhAug 2024Dec 2024 Solar
Ryans RanchNautilus Solar SolutionsParis, ME3 GWhMay 2022Dec 2024 Solar
GMP Solar - Panton HybridGreen Mountain Power CorpPanton, VT9 GWhNov 2016Sep 2025 Solar : 99.1% Electricity used for energy storage : 0.9%
Palmyra PV - BD Solar Palmyra LLCBD Solar Palmyra LLCPalmyra, ME8 GWhMay 2022Dec 2024 Solar
Breckenridge SolarBreckenridge Street Solar 1, LLCPalmer, MA7 GWhOct 2020Dec 2024 Solar
WYM 1250 Palmer LLCCVI CleanCapital Solar 6Palmer, MA1 GWhAug 2013Dec 2024 Solar
Palmer LandfillSyncarpha Bondsville, LLCPalmer, MA6 GWhNov 2016Dec 2024 Solar
Syncarpha Palmer, LLCSyncarpha Palmer, LLCPalmer, MA7 GWhNov 2015Dec 2024 Solar
Peterson Road SolarPeterson Road Solar, LLCPalmer, MA4 GWhMar 2017Dec 2024 Solar
Browne Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2024 Solar
State Street Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA1 GWhMar 2014Dec 2024 Solar
PalmerAES Distributed EnergyPalmer, MA6 GWhSep 2019Dec 2024 Solar
Indian Hill Solar LLCCVI CleanCapital Solar 1 LLCPalmer, MA2 GWhMar 2014Dec 2024 Solar
Barrett PVMN8 Energy LLCOxford, MA20 GWhOct 2016Dec 2024 Solar
OxfordCVI CleanCapital Solar 6Oxford, MA4 GWhJun 2014Dec 2024 Solar
Joe JennyAMP MA Joe JennyOxford, MA2 GWhApr 2018Dec 2024 Solar
Seaboard Oxford, LLCNavisun LLCOxford, MA3 GWhJul 2020Dec 2024 Solar
Oxford SolarCitizens Enterprises CorporationOxford, MA6 GWhJan 2020Dec 2024 Solar
Oxford PV - BD Solar Oxford LLCBD Solar Oxford LLCOxford, ME15 GWhMay 2021Dec 2024 Solar
CPV Towantic Energy CenterCPV Towantic, LLCOxford, CT5 TWhApr 2018Sep 2025 Natural Gas
Nutting Ridge Solar, LLCREA Investments, LLCOtisfield, ME6 GWhMay 2023Dec 2024 Solar
Town of Otis Wind Energy ProjectTown of OtisOtis, MA3 GWhFeb 2018Dec 2023 Wind
MA Military Reservation Wind ProjectAir Force Civil Engineer CenterOtis ANG Base Bourne, MA10 GWhNov 2009Dec 2024 Wind
Onondaga County- ClearwaterTesla Inc.Oswego, NY3 GWhJun 2017Dec 2024 Solar
Orono BBrookfield Black Bear Hydro, LLCOrono, ME21 GWhOct 2013Dec 2024 Water
Orono Hydro StationBrookfield Black Bear Hydro, LLCOrono, ME6 GWhDec 2008Dec 2024 Water
Oneida County- DPWTesla Inc.Oriskany, NY2 GWhSep 2017Dec 2024 Solar
Hunt Farm SolarAltus Power America Management, LLCOrange, MA3 GWhAug 2013Dec 2024 Solar
Orange PVTerraform ArcadiaOrange, MA3 GWhJun 2013Dec 2024 Solar
OSG Solar 1 LLCNavisun LLCOrange, MA3 GWhJun 2012Dec 2024 Solar
Wilbur Woods Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2024 Solar
W. Orange Rd Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2024 Solar
Rowe (CSG)AES Distributed EnergyOlean, NY8 GWhOct 2021Dec 2024 Solar
Stillwater BBrookfield Black Bear Hydro, LLCOld Town, ME11 GWhAug 2013Dec 2024 Water
Messalonskee 3Messalonskee Stream Hydro LLCOakland, ME7 GWhDec 1917Dec 2024 Water
Messalonskee 2 (Oakland)Messalonskee Stream Hydro LLCOakland, ME11 GWhDec 1923Dec 2024 Water
Solar Mule, LLCSolar Mule, LLCOakland, ME2 GWhAug 2017Dec 2024 Solar
North BridgtonNautilus Solar SolutionsOakland, ME8 GWhOct 2022Dec 2024 Solar
OaklandNautilus Solar SolutionsOakland, ME9 GWhAug 2022Dec 2024 Solar
Oak Bluffs Diesel Generating FacilityVineyard Reliability LLCOak Bluffs, MA2 GWhDec 1968Dec 2024 Distillate Fuel Oil
Norwich WWTPCity of Norwich - (CT)Norwich, CT1 MWhApr 2006Mar 2024 Distillate Fuel Oil
Tenth StreetCity of Norwich - (CT)Norwich, CT3 GWhApr 1967Sep 2024 Water
Conn Mun Electric Energy CoopTesla Inc.Norwich, CT1 GWhNov 2016Dec 2024 Solar
LNG 1 & 2Connecticut Mun Elec Engy CoopNorwich, CT494 MWhMar 2010Dec 2024 Distillate Fuel Oil
CMEEC - Rogers Rd SolarTesla Inc.Norwich, CT875 MWhJan 2017Dec 2024 Solar
CMEEC - Norwich Stott St Solar HybridTesla Inc.Norwich, CT4 GWhNov 2016Dec 2024 Solar
Backus Microgrid ProjectConnecticut Mun Elec Engy CoopNorwich, CT789 MWhJul 2014Sep 2025 Distillate Fuel Oil
Norton Landfill SolarCitizens Enterprises CorporationNorton, MA2 GWhDec 2016Dec 2024 Solar
Norton LLCGreenbacker Renewable Energy CorporationNorton, MA4 GWhAug 2020Apr 2024 Solar
NortonMadison Energy Holdings LLCNorton, MA1 GWhFeb 2023Dec 2024 Solar
ER Bone Hill Solar, LLCGreenbacker Renewable Energy CorporationNorthfield, VT2 GWhAug 2022Dec 2024 Solar
NFM Solar Power LLCFirstLight Power Resources, Inc. - MANorthfield, MA2 GWhFeb 2012Dec 2024 Solar
Syncarpha Puddon II Hybrid CSGSyncarpha Puddon II, LLCNorthbridge, MA9 GWhFeb 2021Dec 2024 Solar
Syncarpha Puddon I Hybrid CSGSyncarpha Puddon I, LLCNorthbridge, MA9 GWhFeb 2021Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England105.5 TWh1,577
#16Bonneville Power Administration80.5 TWh163
#17Duke Energy Progress East64.3 TWh559
#18PacifiCorp East61.1 TWh216
#19Salt River Project Agricultural Improvement and Power District60.0 TWh48