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 May 2025
Annual Generation 103.6 TWh
Power Plants1,487
Utilities782
Ranked #15 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 | 57.4% Nuclear | 24.9% Water | 6.1% Other Fuel | 4.5% Wind | 3.5% Solar | 1.4% Coal | 0.3%

Map of ISO New England

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for ISO New England.

Create Your Account Today

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

List of All ISO New England Power Plants

Displaying Results 101 to 200 of 1,206
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Ryan Road Solar LLC Hybrid(CSG)AES Distributed EnergyNorth Brookfield, MA8 GWhNov 2021Dec 2023 Solar
Lane Ave Solar LLCAES Distributed EnergyNorth Brookfield, MA2 GWhAug 2021Dec 2023 Solar
Cronin Road Solar 1, LLC CSG HybridAES Distributed EnergyWarren, MA3 GWhMay 2020Dec 2023 Solar : 99.7%
Goose Pond SolarLSE Dorado, LLCSouthwick, MA7 GWhDec 2019Dec 2023 Solar
Syncarpha Northbridge II Hybrid CSGSyncarpha Northbridge II, LLCWhitinsville, MA8 GWhMar 2021Dec 2023 Solar
Syncarpha Northbridge I Hybrid(CSG)Syncarpha Northbridge I, LLCWhitinsville, MA9 GWhNov 2021Dec 2023 Solar
Syncarpha Northampton Hybrid CSGSyncarpha Northampton, LLCNorthampton, MA5 GWhNov 2020Dec 2023 Solar
Syncarpha Blandford Hybrid CSGSyncarpha Blandford, LLCBlandford, MA8 GWhNov 2019Dec 2023 Solar
Syncarpha Millbury Hybrid (CSG)Syncarpha Millbury, LLCMillbury, MA8 GWhSep 2022Dec 2023 Solar
Syncarpha Halifax Hybrid CSGSyncarpha Halifax, LLCHalifax, MA3 GWhNov 2020Dec 2023 Solar : 99.0%
Syncarpha Leicester Hybrid CSGSyncarpha Leicester, LLCLeicester, MA4 GWhMay 2021Dec 2023 Solar : 99.5% Electricity used for energy storage : 0.5%
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA6 GWhOct 2022Dec 2023 Solar
Syncarpha Tewksbury Hybrid CSGSyncarpha Tewksbury, LLCTewksbury, MA4 GWhJan 2022Dec 2023 Solar
Kearsarge GillKearsarge Gill LLCGill, MA3 GWhDec 2017Dec 2023 Solar
Town of Burrillville Solar CSGStandard SolarBurrillville, RI4 GWhSep 2020Dec 2023 Solar
Holiday Hill Community WindGreenbacker Renewable Energy CorporationRussell, MA10 GWhNov 2019Dec 2023 Wind
GSPP Boxborough Littleton (MA)GSPP Boxborough Littleton, LLCBoxborough, MA5 GWhDec 2018Dec 2023 Solar
Gardner - Otter River RoadOtter River Road Solar LLCGardner, MA4 GWhSep 2019Dec 2023 Solar
Coventry Clean Energy CorporationWashington Electric Coop - (VT)Coventry, VT52 GWhJun 2005Dec 2023 Landfill Gas
RoxWindRoxWind LLCRoxbury, ME10 GWhOct 2021Dec 2023 Wind
Nextsun Energy LittletonGreenbacker Renewable Energy CorporationLittleton, MA5 GWhSep 2013Dec 2023 Solar
Ajax Solar, LLC (MA)Green Street Power PartnersWest Bridgewater, MA4 GWhNov 2017Dec 2023 Solar
GSPP Raynham TMLP, LLC CSGGreen Street Power PartnersRaynham, MA4 GWhJan 2019Dec 2023 Solar
GSPP Terrawatt Westfield LLC CSGGreen Street Power PartnersWestfield, MA6 GWhJan 2019Dec 2023 Solar
GSPP Devens, LLCGreen Street Power PartnersAyer, MA3 GWhDec 2018Dec 2023 Solar
10 Briggs Solar NG, LLC (East)NuGen Capital ManagementEast Greenwich, RI8 GWhMay 2021Dec 2023 Solar
Westtown CSGAltus Power America Management, LLCWesttown, NY3 GWhApr 2019Dec 2023 Solar
Carver CSGAltus Power America Management, LLCCarver, MA2 GWhApr 2019Dec 2023 Solar
Hopkinton CSGAltus Power America Management, LLCHopkinton, MA3 GWhMar 2019Dec 2023 Solar
Bridgewater Complex Co-Generation PlantMassachusetts Department of CorrectionBridgewater, MA9 GWhOct 2015Dec 2023 Natural Gas
MHG WallingfordStandard SolarWallingford, VT4 GWhNov 2019Dec 2023 Solar
CED Northampton Solar LLC HybridConsolidated Edison Development Inc.Northampton, MA6 GWhNov 2019Dec 2023 Solar
Nautilus Goat Island Solar LLC (CSG)Nautilus Solar SolutionsBurrillville, RI4 GWhJul 2019Dec 2023 Solar
Happy Hollow CSG HybridREA Investments, LLCWinchendon, MA8 GWhSep 2019Dec 2023 Solar
Washburn Road SolarREA Investments, LLCFreetown, MA3 GWhNov 2018Dec 2023 Solar
Manchester Community College NorthOnyx Asset Services GroupGreat Path, CT2 GWhSep 2018Dec 2023 Solar
Manchester Community College EastOnyx Asset Services GroupManchester, CT1 GWhSep 2018Dec 2023 Solar
West Water StreetCity of TauntonTaunton, MA1 GWhDec 2017Dec 2023 Distillate Fuel Oil
ALDI DC 2EnterSolarSouth Windsor, CT2 GWhJan 2018Dec 2023 Solar
Derby Fuel CellDerby Fuel Cell LLCDerby, CT8 GWh-Dec 2023 Natural Gas
Tanglewood Circle Solar 1 LLCTanglewood Circle Solar 1 LLCBecket, MA7 GWhOct 2018Dec 2023 Solar
Tolland Solar NG LLCNuGen Capital ManagementTolland, MA5 GWhSep 2014Dec 2023 Solar
Plainfield Community Solar LLCPlainfield Solar LLCPlainfield, MA3 GWhJan 2019Dec 2023 Solar
GD West Greenwich Victory I, LLCGD West Greenwich Victory I, LLCWest Greenwich, RI3 GWhNov 2019Dec 2023 Solar
GD Richmond Buttonwoods I, LLCGD Richmond Buttonwoods I, LLCRichmond, RI2 GWhNov 2019Dec 2023 Solar
Kearsarge WilmingtonKearsarge Wilmington LLCWilmington, MA2 GWhNov 2017Dec 2023 Solar
Kearsarge SKSC2 LLCKearsarge SKSC2 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2023 Solar
Kearsarge MontagueKearsarge Montague LLCMontague, MA7 GWhMay 2018Dec 2023 Solar
Kearsarge UxbridgeKearsarge Uxbridge LLCUxbridge, MA3 GWhAug 2018Dec 2023 Solar
Kearsarge SKSC1 LLCKearsarge SKSC1 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2023 Solar
Kearsarge GBKearsarge GB LLCGreat Barrington, MA3 GWhJul 2018Dec 2023 Solar
Winchendon Landfill SolarOnyx Asset Services GroupWinchendon, MA3 GWhSep 2018Dec 2023 Solar
Digital FairfieldBloom EnergyTrumbull, CT13 GWhMay 2018Dec 2023 Natural Gas
WestminsterMN8 Energy LLCWestminster, VT3 GWhNov 2016Dec 2023 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2023 Solar
BWC Harlow BrookBWC Harlow Brook, LLCWareham, MA2 GWhNov 2018Dec 2023 Solar
BWC Wareham RiverBWC Wareham River, LLCWareham, MA2 GWhNov 2018Dec 2023 Solar
BWC Gibbs BrookBWC Gibbs Brook, LLCWareham, MA7 GWhNov 2018Dec 2023 Solar
BWC Origination 18BWC Origination 18, LLCMattapoisett, MA7 GWhNov 2018Dec 2023 Solar
Barre Solar III LLCAES Distributed EnergyBarre, MA1 GWhFeb 2018Dec 2023 Solar
Dynamic - WalpoleAES Distributed EnergyWalpole, MA3 GWhMay 2017Dec 2023 Solar
Nebraska Valley Solar FarmTown of Stowe- (VT)Stowe, VT1 GWhJul 2016Dec 2023 Solar
Falmouth Landfill SolarCitizens Enterprises CorporationFalmouth, MA5 GWhMar 2017Dec 2023 Solar
DG Crystal Spring CSGDG Crystal Spring CSGMattapoisett, MA7 GWhJun 2017Dec 2023 Solar
DG Haverhill CSGDG HaverhillHaverhill, MA2 GWhAug 2017Dec 2023 Solar
Town of Rocky Hill PV CSGTesla Inc.Rocky Hill, CT5 GWhFeb 2018Dec 2023 Solar
GELD Solar FarmAmeresco, Inc - GELDGroton, MA3 GWhMay 2016Dec 2023 Solar
Braintree Landfill SolarAmeresco, Inc - BraintreeBraintree, MA1 GWhNov 2014Dec 2023 Solar
Weston Landfill SolarAmeresco, Inc - WestonWeston, MA3 GWhFeb 2016Dec 2023 Solar
Antanavica SolarCypress Creek RenewablesLeicester, MA1 GWhJul 2018Dec 2023 Solar
301 Chestnut Solar NGNuGen Capital ManagementEast Longmeadow, MA2 GWhMar 2017Dec 2023 Solar
North Smithfield Solar Power 1AEP Onsite Partners, LLCNorth Smithfield, RI919 MWhNov 2018Dec 2023 Solar
IOS - MEW Phase 1IGS ORIX Solar I, LLCMadison, ME5 GWhDec 2016Dec 2023 Solar
Big George PV CSGAltus Power America Management, LLCPlymouth, MA1 GWhAug 2018Dec 2023 Solar
West Boylston Community Shared SolarTown of West Boylston - (MA)West Boylston, MA2 GWhNov 2016Dec 2023 Solar
Canis Minor Solar FarmLSE Canis Minor LLCBarkhamsted, CT2 GWhNov 2016Dec 2023 Solar
Ashby Duffy CSG Solar FarmLSE Cassiopeia LLCAshby, MA3 GWhNov 2017Dec 2023 Solar
Canis Major Solar FarmLSE Canis Major LLCSuffield, CT4 GWhNov 2016Dec 2023 Solar
Kearsarge Bellingham PVKearsarge Bellingham LLCBellingham, MA5 GWhNov 2016Dec 2023 Solar
Centaurus Solar - MALSE Centaurus LLCAshland, MA4 GWhOct 2016Dec 2023 Solar
Smith & Wesson at Springfield MA PVLuminace Solar Massachusetts, LLCSpringfield, MA2 GWhJun 2017Dec 2023 Solar
MDFA Devens-SaratogaTerraform ArcadiaDevens, MA3 GWhFeb 2016Dec 2023 Solar
Barrett PVMN8 Energy LLCOxford, MA17 GWhOct 2016Dec 2023 Solar
Grafton PVMN8 Energy LLCGrafton, MA4 GWhSep 2016Dec 2023 Solar
Next Generation Solar FarmCypress Creek RenewablesNew Haven, VT4 GWhNov 2017Dec 2023 Solar
Golden Hills SolarGolden Hills Solar, LLCRutland, MA8 GWhAug 2017Dec 2023 Solar
Sampson Road Community SolarSampson Road Solar, LLCCharlton, MA3 GWhNov 2017Dec 2023 Solar
Peterson Road SolarPeterson Road Solar, LLCPalmer, MA4 GWhMar 2017Dec 2023 Solar
Hatfield Renewables Community SolarHatfield Renewables, LLCHatfield, MA3 GWhAug 2017Dec 2023 Solar
Pleasantdale Road Community SolarPleasantdale Road Solar, LLCRutland, MA1 GWhAug 2017Dec 2023 Solar
Upton Community SolarUpton Solar, LLCUpton, MA3 GWhAug 2017Dec 2023 Solar
Theodore Drive Community SolarTheodore Drive Solar, LLCWestminster, MA2 GWhFeb 2018Dec 2023 Solar
Belchertown Renewables Community SolarBelchertown Renewables, LLCBelchertown, MA6 GWhFeb 2018Dec 2023 Solar
Farley Road Community SolarFarley Road Solar, LLCDudley, MA2 GWhJul 2017Dec 2023 Solar
Vuelta SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2023 Solar
Shuman SolarNuGen Capital ManagementStoughton, MA2 GWhMar 2016Dec 2023 Solar
Old Wardour SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2023 Solar
433 Purchase Solar NG, LLCNuGen Capital ManagementSwansea, MA4 GWhMar 2012Dec 2023 Solar
Boston Medical Center CHP PlantBoston Medical CenterBoston, MA12 GWhMar 2017Dec 2023 Natural Gas
Bird Machine Solar FarmBird Machine Solar Farm, LLCSouth Walpole, MA6 GWhJul 2017Dec 2023 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator189.5 TWh1,943
#8Tennessee Valley Authority158.9 TWh170
#10Florida Power & Light Co.148.5 TWh159
#12New York Independent System Operator130.9 TWh1,100
#13Duke Energy Carolinas111.3 TWh556
#15ISO New England103.6 TWh1,487
#16Bonneville Power Administration83.0 TWh158
#17Duke Energy Progress East65.3 TWh554
#18Salt River Project Agricultural Improvement and Power District58.5 TWh45
#19PacifiCorp East57.0 TWh204