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 Oct 2025
Annual Generation 104.5 TWh
Power Plants1,577
Utilities819
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 | 56.4% Nuclear | 25.5% Water | 5% Other Fuel | 4.5% Wind | 3.9% Solar | 1.5% Coal | 0.4%

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Daily Net Generation for ISO New England for the past 3 Years

500k500k400k400k300k300k200k200k100k100k0020232023Jul '23Jul '2320242024Jul '24Jul '2420252025Jul '25Jul '25
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List of All ISO New England Power Plants

Displaying Results 501 to 600 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Claire Solar FarmClaire Solar Partners LLCSouth Burlington, VT4 GWhJun 2014Dec 2024 Solar
Hadley Solar NG, LLCNuGen Capital ManagementHadley, MA3 GWhJun 2014Dec 2024 Solar
265 Pleasant Solar NG, LLCNuGen Capital ManagementLunenburg, MA1 GWhJun 2014Dec 2024 Solar
Tisbury Landfill SolarClean Focus Yield, LLCTisbury, MA2 GWhJun 2014Dec 2024 Solar
Future Generation WindConsolidated Edison Solutions Inc.Plymouth, MA14 GWhJul 2016Dec 2024 Wind
Twiss Street SolarCitizens Enterprises CorporationWestfield, MA2 GWhDec 2014Dec 2024 Solar
Chicopee River SolarCitizens Enterprises CorporationSpringfield, MA3 GWhDec 2014Dec 2024 Solar
Chicopee Granby Road SolarCitizens Enterprises CorporationChicopee, MA2 GWhDec 2014Dec 2024 Solar
Charlton Solar I CSGCharlton Solar I, LLCCharlton, MA5 GWhNov 2014Dec 2024 Solar
Main Street Solar ProjectGreenbacker Renewable Energy CorporationRutland, VT2 GWhNov 2014Dec 2024 Solar
Subase Microgrid ProjectConnecticut Mun Elec Engy CoopGroton, CT43 GWhNov 2022Dec 2024 Natural Gas
Charlotte Solar LLC VTAltus Power America Management, LLCCharlotte, VT3 GWhJun 2014Dec 2024 Solar
Scituate WindScituate Wind LLCScituate, MA2 GWhFeb 2012Dec 2024 Wind
Fairhaven WindFairhaven Wind LLCFairhaven, MA4 GWhMar 2012Dec 2024 Wind
TempletonSunny Templeton, LLCTempleton, MA5 GWhNov 2014Dec 2024 Solar
Barton Solar FarmBarton Solar, LLCBarton, VT2 GWhOct 2014Dec 2024 Solar
Leominster (MA)-South Street-R&DSouth Street Solar, LLCTewksbury, MA3 GWhNov 2013Dec 2024 Solar
Bourne (MA) - Holliston INVT LICENSES, LLCHolliston, MA4 GWhNov 2014Dec 2024 Solar
BlueWave Capital - Grafton (SREC II)TerraForm Solar XVII, LLCGrafton, MA2 GWhFeb 2015Dec 2024 Solar
Chester Power PartnersAltus Power America Management, LLCNorth Chester, VT3 GWhOct 2014Dec 2024 Solar
Stetson Road Solar - Barre IKearsarge Solar LLCBarre, MA3 GWhApr 2014Dec 2024 Solar
Barre II Solar ProjectKearsarge Solar LLCBarre, MA2 GWhMar 2014Dec 2024 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2024 Solar
Concord Solar FarmKearsarge Solar LLCConcord, MA2 GWhMar 2014Dec 2024 Solar
Adams Farm SolarAltus Power America Management, LLCAthol, MA3 GWhSep 2013Dec 2024 Solar
RGS-Rutland VNM SREC II Project (MA)TerraForm Solar XVII, LLCRutland, MA2 GWhOct 2015Dec 2024 Solar
New Bedford (MA) PlymouthBWC Origination 4, LLCPlymouth, MA7 GWhJun 2014Dec 2024 Solar
Upper Blackstone (MA) Treasure ValleyNexamp Treasure Valley Solar, LLCRutland, MA7 GWhJun 2014Dec 2024 Solar
Advance Stores Company, IncTesla Inc.Enfield, CT1 GWhOct 2014Dec 2024 Solar
Granby LFGIndustrial Power Services Corp.Granby, MA3 GWhAug 2001Dec 2024 Landfill Gas
Hunt Farm SolarAltus Power America Management, LLCOrange, MA3 GWhAug 2013Dec 2024 Solar
205 Sturbridge AAltus Power America Management, LLCBrimfield, MA3 GWhMay 2014Dec 2024 Solar
201 Sturbridge BAltus Power America Management, LLCBrimfield, MA2 GWhMay 2014Dec 2024 Solar
Johnston SolarConcord New EnergyTown of Johnston, RI2 GWhJun 2015Dec 2024 Solar
Lowell Solar LandfillHeliovaas LLCLowell, MA1 GWhNov 2013Dec 2024 Solar
Hunt Road SolarCitizens Enterprises CorporationAmesbury, MA7 GWhNov 2016Dec 2024 Solar
Pepperidge Farm BloomfieldPepperidge Farm, Inc.- BloomfieldBloomfield, CT15 GWhJul 2008Dec 2024 Natural Gas
Mashpee Landfill SolarNautilus Solar SolutionsMashpee, MA2 GWhAug 2014Dec 2024 Solar
OxfordCVI CleanCapital Solar 6Oxford, MA4 GWhJun 2014Dec 2024 Solar
Syncarpha Palmer, LLCSyncarpha Palmer, LLCPalmer, MA7 GWhNov 2015Dec 2024 Solar
Federal Road Solar 1, LLC CSGFederal Road Solar 1, LLCSouth Carver, MA8 GWhNov 2015Dec 2024 Solar
BWC Swan Pond River CSGBWC Swan Pond River, LLCRehoboth, MA3 GWhNov 2015Dec 2024 Solar
LeominsterSyncarpha Massachusetts, LLCLeominster, MA3 GWhApr 2015Dec 2024 Solar
North Adams LandfillSyncarpha North Adams, LLCNorth Adams, MA3 GWhSep 2015Dec 2024 Solar
Fisher Road SolarFisher Road Solar I, LLCDartmouth, MA8 GWhApr 2015Dec 2024 Solar
Palmer LandfillSyncarpha Bondsville, LLCPalmer, MA6 GWhNov 2016Dec 2024 Solar
Hewlett-Packard (HP) - Andover, MATesla Inc.Andover, MA2 GWhMay 2017Dec 2024 Solar
UDR Glastonbury Fuel CellUIL Distributed Resources, LLCGlastonbury, CT18 GWhJan 2016Dec 2024 Natural Gas
Town of Needham VNEM CSGTesla Inc.Needham, MA3 GWhJan 2016Dec 2024 Solar
Williamsburg Solar LLC VNEM CSGTesla Inc.Haydenville, MA3 GWhJan 2016Dec 2024 Solar
Oneida County- DPWTesla Inc.Oriskany, NY2 GWhSep 2017Dec 2024 Solar
Town of HalfmoonTesla Inc.Waterford, NY1 GWhMay 2017Dec 2024 Solar
BJ's Wholesale Club, Inc- UxbridgeTesla Inc.Uxbridge, MA270 MWhJun 2017Dec 2024 Solar
CMEEC - BozrahTesla Inc.Bozrah, CT3 GWhNov 2016Dec 2024 Solar
Conn Mun Electric Energy CoopTesla Inc.Norwich, CT1 GWhNov 2016Dec 2024 Solar
Orange County Solar Farm (NY)Tesla Inc.Goshen, NY2 GWhApr 2017Dec 2024 Solar
CED Westfield Solar, LLCConsolidated Edison Development Inc.Westfield, MA3 GWhJul 2016Dec 2024 Solar
West Groton CHPHollingsworth & Vose Co West GrotonGroton, MA22 GWhNov 2015Dec 2024 Natural Gas
Sudbury SolarEcos Energy LLCSudbury, VT2 GWhApr 2016Dec 2024 Solar
SJA Solar LLC-Solterra Monastery CSGSJA Solar, LLCSpencer, MA27 GWhNov 2016Dec 2024 Solar
Pfizer Groton Fuel CellGroton Fuel Cell 1 LLCGroton, CT30 GWhSep 2016Dec 2024 Natural Gas
Pisgah Mountain WindPisgah Mountain, LLCClifton, ME25 GWhNov 2016Dec 2024 Wind
Coventry Photovoltaic, LLCCoventry Photovoltaic, LLCCoventry, VT2 GWhJul 2014Dec 2024 Solar
Fairhaven C CSGMN8 Energy LLCFairhaven, MA3 GWhApr 2017Dec 2024 Solar
West Bridgewater AB CSGMN8 Energy LLCWest Bridgewater, MA3 GWhMay 2017Dec 2024 Solar
Carver MA 1 Community SolarNavisun LLCCarver, MA3 GWhAug 2016Dec 2024 Solar
Wareham MA 1 Community SolarNavisun LLCWareham, MA3 GWhAug 2016Dec 2024 Solar
Athens EnergyAthens Energy, LLCAthens, ME58 GWhSep 2016Dec 2024 Wood/Wood Waste Solids
Hardwick-Athol & Eagle HillSEC CRSD Solar One, LLCHardwick, MA3 GWhJun 2015Dec 2024 Solar
Onondaga County- ClearwaterTesla Inc.Oswego, NY3 GWhJun 2017Dec 2024 Solar
Greene County Meter #1Tesla Inc.Cairo, NY2 GWhJan 2018Dec 2024 Solar
Westport MA 1 Community SolarNavisun LLCWestport, MA2 GWhAug 2016Dec 2024 Solar
Westport MA 2 Community SolarNavisun LLCWestport, MA2 GWhAug 2016Dec 2024 Solar
Rail TrailAltus Power America Management, LLCGreat Barrington, MA3 GWhApr 2016Dec 2024 Solar
Rising PaperAltus Power America Management, LLCGreat Barrington, MA4 GWhApr 2016Dec 2024 Solar
HampdenAltus Power America Management, LLCHampden, MA5 GWhJun 2015Dec 2024 Solar
Little BayAltus Power America Management, LLCProvidence, RI2 GWhFeb 2014Dec 2024 Solar
Shirley WaterAltus Power America Management, LLCShirley, MA3 GWhJul 2016Dec 2024 Solar
Limerick Road Solar FarmLimerick Road Solar, LLCShelburne, VT3 GWhNov 2013Dec 2024 Solar
UI RCP Woodbridge FCUnited Illuminating CoWoodbridge, CT18 GWhNov 2016Dec 2024 Natural Gas
CMEEC - Rogers Rd SolarTesla Inc.Norwich, CT875 MWhJan 2017Dec 2024 Solar
CMEEC - Polaris Park Solar HybridTesla Inc.Gordon, CT5 GWhJul 2017Dec 2024 Solar
CMEEC - Navy NE TridentTesla Inc.Groton, CT1 GWhMay 2017Dec 2024 Solar
CMEEC - Norwich Stott St Solar HybridTesla Inc.Norwich, CT4 GWhNov 2016Dec 2024 Solar
Morin Solar 2013 LLCCVI CleanCapital Solar 6Warren, MA5 GWhNov 2013Dec 2024 Solar
Brookfield Solar 2013 LLCCVI CleanCapital Solar 6North Brookfield, MA2 GWhNov 2013Dec 2024 Solar
WYM 1250 Palmer LLCCVI CleanCapital Solar 6Palmer, MA1 GWhAug 2013Dec 2024 Solar
Southern Sky Renew Energy Berkley LLCSouthern Sky Renewable Energy Berkley, LLCBerkley, MA3 GWhMay 2014Dec 2024 Solar
Worcester LandfillCity of Worcester DPWWorcester, MA8 GWhApr 2017Dec 2024 Solar
Renew Canal 1 CSG LLCNRG Renew Canal 1 LLCSandwich, MA2 GWhMay 2017Dec 2024 Solar
Solar Mule, LLCSolar Mule, LLCOakland, ME2 GWhAug 2017Dec 2024 Solar
West Brookfield Solar, LLCCVI CleanCapital Solar 7West Brookfield, MA2 GWhDec 2015Dec 2024 Solar
BelchertownAltus Power America Management, LLCBelchertown, MA1 GWhNov 2015Dec 2024 Solar
Stone Hill Solar CSGMN8 Energy LLCNorth Easton, MA3 GWhJun 2014Dec 2024 Solar
Bridgewater Solar CSGMN8 Energy LLCBridgewater, MA4 GWhJul 2015Dec 2024 Solar
Holliston Solar CSGMN8 Energy LLCHolliston, MA1 GWhJun 2015Dec 2024 Solar
Wilmington SolarMN8 Energy LLCWilmington, MA3 GWhOct 2015Dec 2024 Solar
Fall River Solar CSGMN8 Energy LLCFall River, MA2 GWhJan 2013Dec 2024 Solar
Shirley LandfillAltus Power America Management, LLCShirley, MA1 GWhApr 2017Dec 2024 Solar
DDR Shoppers WorldAltus Power America Management, LLCFramingham, MA2 GWhOct 2017Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator187.5 TWh2,075
#8Tennessee Valley Authority160.9 TWh204
#10Florida Power & Light Co.149.7 TWh187
#12New York Independent System Operator131.5 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#14ISO New England104.5 TWh1,577
#16Bonneville Power Administration80.6 TWh163
#17Duke Energy Progress East64.1 TWh559
#18PacifiCorp East60.3 TWh216
#19Salt River Project Agricultural Improvement and Power District60.3 TWh48