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 Mar 2026
Annual Generation 110.5 TWh
Power Plants1,577
Utilities819
Ranked #15 out of 65 in terms of net annual generation
Ranked #11 out of 54 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 55.9% Nuclear | 25.1% Water | 4.6% Other Fuel | 4.3% Wind | 4.3% Solar | 1.4% 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 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Nautilus Goat Island Solar LLC (CSG)Nautilus Solar SolutionsBurrillville, RI4 GWhJul 2019Dec 2024 Solar
CED Northampton Solar LLC HybridConsolidated Edison Development Inc.Northampton, MA7 GWhNov 2019Dec 2024 Solar
Mashpee Landfill SolarNautilus Solar SolutionsMashpee, MA2 GWhAug 2014Dec 2024 Solar
Bridgewater Complex Co-Generation PlantMassachusetts Department of CorrectionBridgewater, MA1 GWhOct 2015Dec 2024 Natural Gas
Hopkinton CSGAltus Power America Management, LLCHopkinton, MA3 GWhMar 2019Dec 2024 Solar
Carver CSGAltus Power America Management, LLCCarver, MA4 GWhApr 2019Dec 2024 Solar
Westtown CSGAltus Power America Management, LLCWesttown, NY3 GWhApr 2019Dec 2024 Solar
10 Briggs Solar NG, LLC (East)NuGen Capital ManagementEast Greenwich, RI7 GWhMay 2021Dec 2024 Solar
GSPP Devens, LLCGreen Street Power PartnersAyer, MA3 GWhDec 2018Dec 2024 Solar
GSPP Terrawatt Westfield LLC CSGGreen Street Power PartnersWestfield, MA6 GWhJan 2019Dec 2024 Solar
GSPP Raynham TMLP, LLC CSGGreen Street Power PartnersRaynham, MA4 GWhJan 2019Dec 2024 Solar
Ajax Solar, LLC (MA)Green Street Power PartnersWest Bridgewater, MA4 GWhNov 2017Dec 2024 Solar
Nextsun Energy LittletonGreenbacker Renewable Energy CorporationLittleton, MA5 GWhSep 2013Dec 2024 Solar
RoxWindRoxWind LLCRoxbury, ME36 GWhOct 2021Dec 2024 Wind
Coventry Clean Energy CorporationWashington Electric Coop - (VT)Coventry, VT49 GWhJun 2005Dec 2024 Landfill Gas
Gardner - Otter River RoadOtter River Road Solar LLCGardner, MA4 GWhSep 2019Dec 2024 Solar
GSPP Boxborough Littleton (MA)GSPP Boxborough Littleton, LLCBoxborough, MA6 GWhDec 2018Dec 2024 Solar
Holiday Hill Community WindGreenbacker Renewable Energy CorporationRussell, MA10 GWhNov 2019Dec 2024 Wind
Town of Burrillville Solar CSGStandard SolarBurrillville, RI5 GWhSep 2020Dec 2024 Solar
Kearsarge GillKearsarge Gill LLCGill, MA3 GWhDec 2017Dec 2024 Solar
Syncarpha Tewksbury Hybrid CSGSyncarpha Tewksbury, LLCTewksbury, MA4 GWhJan 2022Dec 2024 Solar
Syncarpha Puddon I Hybrid CSGSyncarpha Puddon I, LLCNorthbridge, MA9 GWhFeb 2021Dec 2024 Solar
Syncarpha Puddon II Hybrid CSGSyncarpha Puddon II, LLCNorthbridge, MA9 GWhFeb 2021Dec 2024 Solar
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA7 GWhOct 2022Dec 2024 Solar
Syncarpha Leicester Hybrid CSGSyncarpha Leicester, LLCLeicester, MA5 GWhMay 2021Dec 2024 Solar
Syncarpha Halifax Hybrid CSGSyncarpha Halifax, LLCHalifax, MA3 GWhNov 2020Dec 2024 Solar
Syncarpha Millbury Hybrid (CSG)Syncarpha Millbury, LLCMillbury, MA8 GWhSep 2022Dec 2024 Solar
Syncarpha Blandford Hybrid CSGSyncarpha Blandford, LLCBlandford, MA8 GWhNov 2019Dec 2024 Solar
Syncarpha Northampton Hybrid CSGSyncarpha Northampton, LLCNorthampton, MA5 GWhNov 2020Dec 2024 Solar
Syncarpha Northbridge I Hybrid(CSG)Syncarpha Northbridge I, LLCWhitinsville, MA9 GWhNov 2021Dec 2024 Solar
Syncarpha Northbridge II Hybrid CSGSyncarpha Northbridge II, LLCWhitinsville, MA8 GWhMar 2021Dec 2024 Solar
Goose Pond SolarLSE Dorado, LLCSouthwick, MA7 GWhDec 2019Dec 2024 Solar
Cronin Road Solar 1, LLC CSG HybridAES Distributed EnergyWarren, MA3 GWhMay 2020Dec 2024 Solar
Lane Ave Solar LLCAES Distributed EnergyNorth Brookfield, MA2 GWhAug 2021Dec 2024 Solar
Ryan Road Solar LLC Hybrid(CSG)AES Distributed EnergyNorth Brookfield, MA9 GWhNov 2021Dec 2024 Solar
W. Orange Rd Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2024 Solar
Wilbur Woods Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2024 Solar
West Street Solar 1 LLCAES Distributed EnergyGardner, MA9 GWhNov 2019Dec 2024 Solar
Hopkins Hill CSGNautilus Solar SolutionsWest Greenwich, RI9 GWhOct 2020Dec 2024 Solar
Hopkinton Phase 2Vista Solar, Inc.Ashaway, RI4 GWhAug 2020Dec 2024 Solar
VPPSA Project 10Vermont Public Power Supply AuthoritySwanton, VT1 GWhApr 2010Dec 2024 Distillate Fuel Oil
Battle Creek SolarEcos Energy LLCBennington, VT3 GWhSep 2018Dec 2024 Solar
Middleton Solar ParkHG Solar Development, LLCMiddleton, MA7 GWhMay 2018Dec 2024 Solar
Brookfield Wire CompanyDynamic Energy Solutions, LLCBrookfield, MA2 GWhMay 2016Dec 2024 Solar
Sherman SolarEcos Energy LLCGriswold, CT1 GWhNov 2019Dec 2024 Solar
Jackson Solar (CT)Ecos Energy LLCGriswold, CT1 GWhNov 2019Dec 2024 Solar
Sydney SolarEcos Energy LLCHampton, CT3 GWhMay 2020Dec 2024 Solar
Dickinson Solar (CT)Ecos Energy LLCHampton, CT3 GWhMay 2020Dec 2024 Solar
Becton CanaanDG Northeast 1, LLCNorth Canaan, CT3 GWhFeb 2018Dec 2024 Solar
Plainfield Solar 2Ecos Energy LLCPlainfield, CT1 GWhMar 2020Dec 2024 Solar
Partridge Hill Solar HybridAES Distributed EnergyCharlton, MA3 GWhJun 2020Dec 2024 Solar
Natick MallNatick MallNatick, MA4 GWhSep 2018Dec 2024 Solar
South Windsor Fuel CellSouth Energy Investments LLCSouth Windsor, CT39 GWhFeb 2020Dec 2024 Natural Gas
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhSep 2017Dec 2024 Solar
BD Solar Ellsworth LLCBD Solar Hancock North LLCAugusta, ME6 GWhMay 2022Dec 2024 Solar
Winslow PV - BD Solar 2 LLCBD Solar 2 LLCWinslow, ME13 GWhJun 2022Dec 2024 Solar
BD Solar Hancock LLCBD Solar Hancock LLCAugusta, ME7 GWhMay 2022Dec 2024 Solar
Palmyra PV - BD Solar Palmyra LLCBD Solar Palmyra LLCPalmyra, ME8 GWhMay 2022Dec 2024 Solar
SELCO Community SolarMassachusetts Mun Wholes Electric CoShrewsbury, MA5 GWhMay 2018Dec 2024 Solar
Fitchburg RenewablesFitchburg Renewables, LLCFitchburg, MA6 GWhFeb 2020Dec 2024 Solar
Montague Road SolarMontague Road Solar, LLCAmherst, MA5 GWhNov 2019Dec 2024 Solar
28 Livermore Hill Road Solar28 Livermore Hill Road Solar, LLCWestminster, MA8 GWhMay 2020Dec 2024 Solar
Amaterasu LLCAES Distributed EnergyLancaster, MA7 GWhMay 2021Dec 2024 Solar
Pine HillAEP Onsite Partners, LLCJohnston, RI8 GWhJul 2020Dec 2024 Solar
Easthampton CSGEasthampton Park Solar 1, LLCEasthampton, MA4 GWhAug 2020Dec 2024 Solar
Erving CSGErving Poplar Mountain Solar 1, LLCErving, MA1 GWhAug 2020Dec 2024 Solar
Sunpin BlandfordBlandford Sun, LLCSouthwick, MA6 GWhMay 2020Dec 2024 Solar
Oxford PV - BD Solar Oxford LLCBD Solar Oxford LLCOxford, ME15 GWhMay 2021Dec 2024 Solar
Fairfield PV - BD Solar Fairfield LLCBD Solar Fairfield LLCFairfield, ME8 GWhMay 2021Dec 2024 Solar
Augusta PV - BD Solar Augusta LLCBD Solar Augusta LLCAugusta, ME10 GWhMay 2021Dec 2024 Solar
Milo PV - BD Solar 1 LLCBD Solar 1 LLCMilo, ME31 GWhMay 2021Dec 2024 Solar
GD Hopkinton Main I, LLCGD Hopkinton Main I, LLCHopkinton, RI16 GWhOct 2020Dec 2024 Solar
Williamsville Hybrid CSG147 Williamsville Solar 1, LLCHubbardston, MA9 GWhAug 2021Dec 2024 Solar
Partridgeville Hybrid CSGPartridgeville Road Solar 1, LLCAthol, MA6 GWhDec 2019Dec 2024 Solar
CES Agawam Tuckahoe Solar HybridCES Agawam Tuckahoe Solar LLCAgawam, MA7 GWhNov 2021Dec 2024 Solar
ISM Solar Cranston CSGNautilus Solar SolutionsCranston, RI4 GWhNov 2020Dec 2024 Solar
Cranberry SolarGWE Cranberry Solar RT, LLCMiddleborough, MA1 GWhNov 2016Dec 2024 Solar
Oak Street SolarCitizens Enterprises CorporationSpringfield, MA6 GWhNov 2019Dec 2024 Solar
Lakeville SolarC2 MA Lakeville, LLCLakeville, MA4 GWhNov 2018Dec 2024 Solar
Bowden Solar LLC38DN Power Fund 1 LLCMonson, MA3 GWhFeb 2019Dec 2024 Solar
One PatriotBloom EnergyFoxborough, MA16 GWhNov 2019Dec 2024 Natural Gas
Nutmeg SolarNutmeg Solar LLCEnfield, CT34 GWhNov 2020Dec 2024 Solar
Palombo B Solar, LLC CSG38 Degrees North, LLCUxbridge, MA2 GWhNov 2017Dec 2024 Solar
Palombo Solar, LLC CSG38 Degrees North, LLCUxbridge, MA3 GWhNov 2017Dec 2024 Solar
Amazon BDL3 Solar ProjectSolar Star Prime 1 LLCNew Haven, CT2 GWhSep 2019Dec 2024 Solar
Granby Solar, LLC CSGGranby Solar, LLCGranby, MA6 GWhJun 2021Dec 2024 Solar
Ticket Network South WindsorPowerflexSouth Windsor, CT2 GWhApr 2018Dec 2024 Solar
Corbin Russwin Phase 3 BerlinPowerflexBerlin, CT2 GWhMar 2018Dec 2024 Solar
GSPP Gilman, LLCGreen Street Power PartnersLunenburg, VT3 GWhAug 2018Dec 2024 Solar
CP Middletown Solar I LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
CP Middletown Solar II LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2024 Solar
Hurteau Solar Project HybridAES Distributed EnergyUxbridge, MA3 GWhFeb 2020Dec 2024 Solar
Alicea Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA4 GWhNov 2020Dec 2024 Solar
McDougle-Mitchell Solar Project Hybrid CAES Distributed EnergyCharlton, MA7 GWhJul 2020Dec 2024 Solar
Cycz Solar Project CSG HybridAES Distributed EnergySpencer, MA3 GWhMay 2020Dec 2024 Solar
West A&B Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA5 GWhNov 2020Dec 2024 Solar
Annese Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA8 GWhNov 2020Dec 2024 Solar
Randall Solar Project HybridAES Distributed EnergyBerlin, MA8 GWhJun 2021Dec 2024 Solar
Dudley River 3 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator179.9 TWh2,075
#9Tennessee Valley Authority162.4 TWh204
#10Florida Power & Light Co.150.5 TWh187
#12New York Independent System Operator134.0 TWh1,211
#13Duke Energy Carolinas112.4 TWh565
#15ISO New England110.5 TWh1,577
#16Bonneville Power Administration85.9 TWh163
#17Duke Energy Progress East64.5 TWh559
#18PacifiCorp East60.9 TWh216
#19Salt River Project Agricultural Improvement and Power District60.3 TWh48