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 501 to 600 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Town of Lexington SolarSyncarpha Lexington, LLCLexington, MA3 GWhApr 2017Dec 2024 Solar
Orbit Energy RIAnaergiaJohnston, RI144 MWhJun 2017Dec 2024 Other Biomass Gas
Curtis Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
Depot Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
Bird Machine Solar FarmBird Machine Solar Farm, LLCSouth Walpole, MA6 GWhJul 2017Dec 2024 Solar
Iron Horse Solar I CSGIron Horse Solar 1, LLCNorth Billerica, MA4 GWhNov 2016Dec 2024 Solar
126 Grove Solar LLCAltus Power America Management, LLCFranklin, MA2 GWhMay 2012Dec 2024 Solar
VEC Alburgh ArraySoCore Energy LLCAlburgh, VT1 GWhNov 2016Dec 2024 Solar
Bashaw Solar CSG 1, LLCBashaw Solar 1, LLCNewbury, MA3 GWhMar 2017Dec 2024 Solar
Kearsarge Southwick LLCKearsarge Solar LLCSouthwick, MA4 GWhFeb 2015Dec 2024 Solar
Sutton Solar CSGSutton Solar, LLCSutton, MA3 GWhOct 2016Dec 2024 Solar
Nexamp Peak CSGNexamp Peak, LLCHancock, MA2 GWhNov 2015Dec 2024 Solar
Stafford MS Ground Mount Community SolarTown of Stafford - (CT)Stafford, CT3 GWhJun 2016Dec 2024 Solar
Mt. Tom Solar Project HybridMt. Tom Solar, LLCHolyoke, MA4 GWhDec 2016Dec 2024 Solar
Northampton Landfill Solar PVAmeresco Glendale Road Solar PV LLCNorthampton, MA4 GWhOct 2017Dec 2024 Solar
Hartford Landfill Solar EGFMaterials Innovation Recycling AuthorityHartford, CT1 GWhMay 2014Dec 2024 Solar
Cold River Road SolarAEP Onsite Partners, LLCNorth Clarendon, VT3 GWhNov 2016Dec 2024 Solar
VEC Magee Hill SolarSoCore Energy LLCHinesburgh, VT2 GWhOct 2017Dec 2024 Solar
AIS Solar ProjectTerraform ArcadiaLeominster, MA3 GWhNov 2016Dec 2024 Solar
WED Portsmouth One, LLCGreenbacker Renewable Energy CorporationPortsmouth, RI4 GWhJul 2016Dec 2024 Wind
Redbrook Community Solar 1Redbrook Solar 1, LLCPlympton, MA4 GWhSep 2017Dec 2024 Solar
Brook Street Solar 1 CSGBrook Street Solar 1, LLCPlympton, MA3 GWhJul 2017Dec 2024 Solar
Spring Street Solar 1 CSGSpring Street Solar 1, LLCCarver, MA3 GWhFeb 2017Dec 2024 Solar
Bullock Road Solar 1Bullock Road Solar 1, LLCFreetown, MA4 GWhJun 2018Dec 2024 Solar
Stafford St Solar 1 CSGStafford St Solar 1, LLCLeicester, MA4 GWhNov 2017Dec 2024 Solar
Stafford St 2 Community SolarStafford St Solar 2, LLCLecister, MA4 GWhApr 2018Dec 2024 Solar
Stafford St Solar 3 CSGStafford St Solar 3, LLCLeicester, MA2 GWhNov 2017Dec 2024 Solar
BWC Wading River One, Two, Three CSGAmeresco BWC Wading River LLCMendon, MA5 GWhOct 2017Dec 2024 Solar
Syncarpha FreetownMarie's Way Solar I, LLCFreetown, MA6 GWhOct 2016Dec 2024 Solar
Elizabeth Mines Solar 1Elizabeth Mines Solar 1, LLCSo. Strafford, VT7 GWhOct 2017Dec 2024 Solar
Nebraska Valley Solar FarmTown of Stowe- (VT)Stowe, VT1 GWhJul 2016Dec 2024 Solar
Onset East Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2024 Solar
Onset West Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2024 Solar
Boston Medical Center CHP PlantBoston Medical CenterBoston, MA14 GWhMar 2017Dec 2024 Natural Gas
433 Purchase Solar NG, LLCNuGen Capital ManagementSwansea, MA4 GWhMar 2012Dec 2024 Solar
Old Wardour SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2024 Solar
Shuman SolarNuGen Capital ManagementStoughton, MA2 GWhMar 2016Dec 2024 Solar
Vuelta SolarNuGen Capital ManagementEast Brookfield, MA7 GWhDec 2015Dec 2024 Solar
Farley Road Community SolarFarley Road Solar, LLCDudley, MA2 GWhJul 2017Dec 2024 Solar
Belchertown Renewables Community SolarBelchertown Renewables, LLCBelchertown, MA6 GWhFeb 2018Dec 2024 Solar
Theodore Drive Community SolarTheodore Drive Solar, LLCWestminster, MA2 GWhFeb 2018Dec 2024 Solar
Upton Community SolarUpton Solar, LLCUpton, MA3 GWhAug 2017Dec 2024 Solar
Pleasantdale Road Community SolarPleasantdale Road Solar, LLCRutland, MA1 GWhAug 2017Dec 2024 Solar
Hatfield Renewables Community SolarHatfield Renewables, LLCHatfield, MA3 GWhAug 2017Dec 2024 Solar
Peterson Road SolarPeterson Road Solar, LLCPalmer, MA4 GWhMar 2017Dec 2024 Solar
Sampson Road Community SolarSampson Road Solar, LLCCharlton, MA3 GWhNov 2017Dec 2024 Solar
Golden Hills SolarGolden Hills Solar, LLCRutland, MA8 GWhAug 2017Dec 2024 Solar
Next Generation Solar FarmCypress Creek RenewablesNew Haven, VT4 GWhNov 2017Dec 2024 Solar
Grafton PVMN8 Energy LLCGrafton, MA4 GWhSep 2016Dec 2024 Solar
Barrett PVMN8 Energy LLCOxford, MA20 GWhOct 2016Dec 2024 Solar
MDFA Devens-SaratogaTerraform ArcadiaDevens, MA3 GWhFeb 2016Dec 2024 Solar
Smith & Wesson at Springfield MA PVLuminace Solar Massachusetts, LLCSpringfield, MA2 GWhJun 2017Dec 2024 Solar
Centaurus Solar - MALSE Centaurus LLCAshland, MA3 GWhOct 2016Dec 2024 Solar
Kearsarge Bellingham PVKearsarge Bellingham LLCBellingham, MA5 GWhNov 2016Dec 2024 Solar
Canis Major Solar FarmLSE Canis Major LLCSuffield, CT4 GWhNov 2016Dec 2024 Solar
Ashby Duffy CSG Solar FarmLSE Cassiopeia LLCAshby, MA3 GWhNov 2017Dec 2024 Solar
West Boylston Community Shared SolarTown of West Boylston - (MA)West Boylston, MA2 GWhNov 2016Dec 2024 Solar
Big George PV CSGAltus Power America Management, LLCPlymouth, MA1 GWhAug 2018Dec 2024 Solar
IOS - MEW Phase 1Madison Energy Holdings LLCMadison, ME1 GWhDec 2016Dec 2024 Solar
North Smithfield Solar Power 1AEP Onsite Partners, LLCNorth Smithfield, RI1 GWhNov 2018Dec 2024 Solar
301 Chestnut Solar NGNuGen Capital ManagementEast Longmeadow, MA2 GWhMar 2017Dec 2024 Solar
Antanavica SolarCypress Creek RenewablesLeicester, MA1 GWhJul 2018Dec 2024 Solar
Weston Landfill SolarAmeresco, Inc - WestonWeston, MA3 GWhFeb 2016Dec 2024 Solar
Braintree Landfill SolarAmeresco, Inc - BraintreeBraintree, MA1 GWhNov 2014Dec 2024 Solar
GELD Solar FarmAmeresco, Inc - GELDGroton, MA3 GWhMay 2016Dec 2024 Solar
Town of Rocky Hill PV CSGTesla Inc.Rocky Hill, CT5 GWhFeb 2018Dec 2024 Solar
DG Haverhill CSGDG Haverhill LLCHaverhill, MA2 GWhAug 2017Dec 2024 Solar
DG Crystal Spring CSGDG Crystal Spring LLCMattapoisett, MA7 GWhJun 2017Dec 2024 Solar
Falmouth Landfill SolarCitizens Enterprises CorporationFalmouth, MA5 GWhMar 2017Dec 2024 Solar
DG Foxborough Elm CSGDG Foxborough Elm LLCFoxborough, MA3 GWhJul 2017Dec 2024 Solar
Town of Foxborough - Landfill (SREC II)Town of Foxborough - Landfill (SREC II)Foxborough, MA2 GWhJul 2017Dec 2024 Solar
Citizens Agawam Landfill SolarCitizens Enterprises CorporationAgawam, MA3 GWhMar 2017Dec 2024 Solar
Norton Landfill SolarCitizens Enterprises CorporationNorton, MA2 GWhDec 2016Dec 2024 Solar
Tyngsborough SolarCitizens Enterprises CorporationTyngsborough, MA4 GWhDec 2016Dec 2024 Solar
CED Chicopee SolarConsolidated Edison Development Inc.Chicopee, MA5 GWhJun 2017Dec 2024 Solar
UMASSConsolidated Edison Development Inc.Amherst, MA6 GWhSep 2016Dec 2024 Solar
WED Kingstown Solar I, LLC - WestCleanCapital HoldingsRichmond, RI2 GWhNov 2017Dec 2024 Solar
WED Stilson SolarCleanCapital HoldingsRichmond, RI3 GWhNov 2017Dec 2024 Solar
WED Kingstown Solar I - East ArrayCleanCapital HoldingsWashington, RI5 GWhNov 2017Dec 2024 Solar
West Brookfield Solar - Gilbertsville RdNautilus Solar SolutionsWest Brookfield, MA6 GWhMay 2017Dec 2024 Solar
DG Tufts Science LLC CSGDG Tufts Science, LLCNorth Grafton, MA1 GWhJan 2017Dec 2024 Solar
DG Dighton LLC CSGDG Dighton, LLCDighton, MA5 GWhJun 2017Dec 2024 Solar
DG Tufts Knoll LLC CSGDG Tufts Knoll, LLCNorth Grafton, MA3 GWhJul 2017Dec 2024 Solar
DG Webster LLC CSGDG Webster, LLCWebster, MA2 GWhNov 2017Dec 2024 Solar
Texon Hydroelectric ProjectHitchcock Hydro, LLCRussell, MA4 GWhDec 1981Dec 2024 Water
Greater New Bedford LFG Utiliz. FacilityCommonWealth New Bedford Energy LLCNew Bedford, MA17 GWhSep 2005Dec 2024 Landfill Gas
Sikorsky Aircraft CHPSikorsky Aircraft CorporationStratford, CT53 GWhMay 2010Dec 2024 Natural Gas : 99.8%
Onyx - Pembroke Landfill SolarOnyx Asset Services GroupPembroke, MA3 GWhNov 2017Dec 2024 Solar
Onyx - Brockton Thatcher Landfill SolarOnyx Asset Services GroupBrockton, MA5 GWhOct 2017Dec 2024 Solar
Barrett Farm Solar - Phase IOnyx Asset Services GroupThompson, CT3 GWhSep 2017Dec 2024 Solar
MA Solar Storage 1 HybridOrigis Energy USA, IncSterling, MA1 GWhFeb 2018Dec 2024 Solar
Solten Plainville 6000, LLCAltus Power America Management, LLCPlainville, MA7 GWhJul 2017Dec 2024 Solar
RandolphAltus Power America Management, LLCRandolph, MA6 GWhOct 2017Dec 2024 Solar
Naval Sub Base New London Fuel CellGroton Station Fuel Cell, LLCGroton, CT44 GWhNov 2022Dec 2024 Natural Gas
East Acres Solar NG, LLCNuGen Capital ManagementPittsfield, MA5 GWhMar 2017Dec 2024 Solar
Syncarpha Hancock I CSGSyncarpha Hancock I, LLCHancock, MA3 GWhOct 2017Dec 2024 Solar
Syncarpha Hancock II CSGSyncarpha Hancock II, LLCHancock, MA3 GWhOct 2017Dec 2024 Solar
Syncarpha Hancock III CSGSyncarpha Hancock III, LLCPittsfield, MA2 GWhOct 2017Dec 2024 Solar
Syncarpha Still River, LLC CSGSyncarpha Still River, LLCBolton, MA4 GWhNov 2016Dec 2024 Solar
Trinity College Fuel CellAEP Onsite Partners, LLCHartford, CT12 GWhJul 2018Dec 2024 Natural Gas

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