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 101 to 200 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Syncarpha Hancock I CSGSyncarpha Hancock I, LLCHancock, MA3 GWhOct 2017Dec 2024 Solar
East Acres Solar NG, LLCNuGen Capital ManagementPittsfield, MA5 GWhMar 2017Dec 2024 Solar
Naval Sub Base New London Fuel CellGroton Station Fuel Cell, LLCGroton, CT44 GWhNov 2022Dec 2024 Natural Gas
RandolphAltus Power America Management, LLCRandolph, MA6 GWhOct 2017Dec 2024 Solar
Solten Plainville 6000, LLCAltus Power America Management, LLCPlainville, MA7 GWhJul 2017Dec 2024 Solar
MA Solar Storage 1 HybridOrigis Energy USA, IncSterling, MA1 GWhFeb 2018Dec 2024 Solar
Barrett Farm Solar - Phase IOnyx Asset Services GroupThompson, CT3 GWhSep 2017Dec 2024 Solar
Onyx - Brockton Thatcher Landfill SolarOnyx Asset Services GroupBrockton, MA5 GWhOct 2017Dec 2024 Solar
Onyx - Pembroke Landfill SolarOnyx Asset Services GroupPembroke, MA3 GWhNov 2017Dec 2024 Solar
Sikorsky Aircraft CHPSikorsky Aircraft CorporationStratford, CT53 GWhMay 2010Dec 2024 Natural Gas : 99.8%
Greater New Bedford LFG Utiliz. FacilityCommonWealth New Bedford Energy LLCNew Bedford, MA17 GWhSep 2005Dec 2024 Landfill Gas
Texon Hydroelectric ProjectHitchcock Hydro, LLCRussell, MA4 GWhDec 1981Dec 2024 Water
DG Webster LLC CSGDG Webster, LLCWebster, MA2 GWhNov 2017Dec 2024 Solar
DG Tufts Knoll LLC CSGDG Tufts Knoll, LLCNorth Grafton, MA3 GWhJul 2017Dec 2024 Solar
DG Dighton LLC CSGDG Dighton, LLCDighton, MA5 GWhJun 2017Dec 2024 Solar
DG Tufts Science LLC CSGDG Tufts Science, LLCNorth Grafton, MA1 GWhJan 2017Dec 2024 Solar
West Brookfield Solar - Gilbertsville RdNautilus Solar SolutionsWest Brookfield, MA6 GWhMay 2017Dec 2024 Solar
WED Kingstown Solar I - East ArrayCleanCapital HoldingsWashington, RI5 GWhNov 2017Dec 2024 Solar
WED Stilson SolarCleanCapital HoldingsRichmond, RI3 GWhNov 2017Dec 2024 Solar
WED Kingstown Solar I, LLC - WestCleanCapital HoldingsRichmond, RI2 GWhNov 2017Dec 2024 Solar
UMASSConsolidated Edison Development Inc.Amherst, MA6 GWhSep 2016Dec 2024 Solar
CED Chicopee SolarConsolidated Edison Development Inc.Chicopee, MA5 GWhJun 2017Dec 2024 Solar
Tyngsborough SolarCitizens Enterprises CorporationTyngsborough, MA4 GWhDec 2016Dec 2024 Solar
Norton Landfill SolarCitizens Enterprises CorporationNorton, MA2 GWhDec 2016Dec 2024 Solar
Citizens Agawam Landfill SolarCitizens Enterprises CorporationAgawam, MA3 GWhMar 2017Dec 2024 Solar
Town of Foxborough - Landfill (SREC II)Town of Foxborough - Landfill (SREC II)Foxborough, MA2 GWhJul 2017Dec 2024 Solar
DG Foxborough Elm CSGDG Foxborough Elm LLCFoxborough, MA3 GWhJul 2017Dec 2024 Solar
Falmouth Landfill SolarCitizens Enterprises CorporationFalmouth, MA5 GWhMar 2017Dec 2024 Solar
DG Crystal Spring CSGDG Crystal Spring LLCMattapoisett, MA7 GWhJun 2017Dec 2024 Solar
DG Haverhill CSGDG Haverhill LLCHaverhill, MA2 GWhAug 2017Dec 2024 Solar
Town of Rocky Hill PV CSGTesla Inc.Rocky Hill, CT5 GWhFeb 2018Dec 2024 Solar
GELD Solar FarmAmeresco, Inc - GELDGroton, MA3 GWhMay 2016Dec 2024 Solar
Braintree Landfill SolarAmeresco, Inc - BraintreeBraintree, MA1 GWhNov 2014Dec 2024 Solar
Weston Landfill SolarAmeresco, Inc - WestonWeston, MA3 GWhFeb 2016Dec 2024 Solar
Antanavica SolarCypress Creek RenewablesLeicester, MA1 GWhJul 2018Dec 2024 Solar
301 Chestnut Solar NGNuGen Capital ManagementEast Longmeadow, MA2 GWhMar 2017Dec 2024 Solar
North Smithfield Solar Power 1AEP Onsite Partners, LLCNorth Smithfield, RI1 GWhNov 2018Dec 2024 Solar
IOS - MEW Phase 1Madison Energy Holdings LLCMadison, ME1 GWhDec 2016Dec 2024 Solar
Big George PV CSGAltus Power America Management, LLCPlymouth, MA1 GWhAug 2018Dec 2024 Solar
West Boylston Community Shared SolarTown of West Boylston - (MA)West Boylston, MA2 GWhNov 2016Dec 2024 Solar
Ashby Duffy CSG Solar FarmLSE Cassiopeia LLCAshby, MA3 GWhNov 2017Dec 2024 Solar
Canis Major Solar FarmLSE Canis Major LLCSuffield, CT4 GWhNov 2016Dec 2024 Solar
Kearsarge Bellingham PVKearsarge Bellingham LLCBellingham, MA5 GWhNov 2016Dec 2024 Solar
Centaurus Solar - MALSE Centaurus LLCAshland, MA3 GWhOct 2016Dec 2024 Solar
Coventry Photovoltaic, LLCCoventry Photovoltaic, LLCCoventry, VT2 GWhJul 2014Dec 2024 Solar
Stone Hill Solar CSGMN8 Energy LLCNorth Easton, MA3 GWhJun 2014Dec 2024 Solar
BelchertownAltus Power America Management, LLCBelchertown, MA1 GWhNov 2015Dec 2024 Solar
West Brookfield Solar, LLCCVI CleanCapital Solar 7West Brookfield, MA2 GWhDec 2015Dec 2024 Solar
Solar Mule, LLCSolar Mule, LLCOakland, ME2 GWhAug 2017Dec 2024 Solar
Renew Canal 1 CSG LLCNRG Renew Canal 1 LLCSandwich, MA2 GWhMay 2017Dec 2024 Solar
Worcester LandfillCity of Worcester DPWWorcester, MA8 GWhApr 2017Dec 2024 Solar
Southern Sky Renew Energy Berkley LLCSouthern Sky Renewable Energy Berkley, LLCBerkley, MA3 GWhMay 2014Dec 2024 Solar
WYM 1250 Palmer LLCCVI CleanCapital Solar 6Palmer, MA1 GWhAug 2013Dec 2024 Solar
Brookfield Solar 2013 LLCCVI CleanCapital Solar 6North Brookfield, MA2 GWhNov 2013Dec 2024 Solar
Morin Solar 2013 LLCCVI CleanCapital Solar 6Warren, MA5 GWhNov 2013Dec 2024 Solar
CMEEC - Norwich Stott St Solar HybridTesla Inc.Norwich, CT4 GWhNov 2016Dec 2024 Solar
CMEEC - Navy NE TridentTesla Inc.Groton, CT1 GWhMay 2017Dec 2024 Solar
CMEEC - Polaris Park Solar HybridTesla Inc.Gordon, CT5 GWhJul 2017Dec 2024 Solar
CMEEC - Rogers Rd SolarTesla Inc.Norwich, CT875 MWhJan 2017Dec 2024 Solar
UI RCP Woodbridge FCUnited Illuminating CoWoodbridge, CT18 GWhNov 2016Dec 2024 Natural Gas
Limerick Road Solar FarmLimerick Road Solar, LLCShelburne, VT3 GWhNov 2013Dec 2024 Solar
Shirley WaterAltus Power America Management, LLCShirley, MA3 GWhJul 2016Dec 2024 Solar
Little BayAltus Power America Management, LLCProvidence, RI2 GWhFeb 2014Dec 2024 Solar
HampdenAltus Power America Management, LLCHampden, MA5 GWhJun 2015Dec 2024 Solar
Rising PaperAltus Power America Management, LLCGreat Barrington, MA4 GWhApr 2016Dec 2024 Solar
Rail TrailAltus Power America Management, LLCGreat Barrington, MA3 GWhApr 2016Dec 2024 Solar
Westport MA 2 Community SolarNavisun LLCWestport, MA2 GWhAug 2016Dec 2024 Solar
Westport MA 1 Community SolarNavisun LLCWestport, MA2 GWhAug 2016Dec 2024 Solar
Greene County Meter #1Tesla Inc.Cairo, NY2 GWhJan 2018Dec 2024 Solar
Onondaga County- ClearwaterTesla Inc.Oswego, NY3 GWhJun 2017Dec 2024 Solar
Hardwick-Athol & Eagle HillSEC CRSD Solar One, LLCHardwick, MA3 GWhJun 2015Dec 2024 Solar
Athens EnergyAthens Energy, LLCAthens, ME58 GWhSep 2016Dec 2024 Wood/Wood Waste Solids
Wareham MA 1 Community SolarNavisun LLCWareham, MA3 GWhAug 2016Dec 2024 Solar
Carver MA 1 Community SolarNavisun LLCCarver, MA3 GWhAug 2016Dec 2024 Solar
West Bridgewater AB CSGMN8 Energy LLCWest Bridgewater, MA3 GWhMay 2017Dec 2024 Solar
Fairhaven C CSGMN8 Energy LLCFairhaven, MA3 GWhApr 2017Dec 2024 Solar
UDR Glastonbury Fuel CellUIL Distributed Resources, LLCGlastonbury, CT18 GWhJan 2016Dec 2024 Natural Gas
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
BranfordConnecticut Jet Power LLCBranford, CT109 MWhOct 1967Dec 2024 Kerosene
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
Conn Mun Electric Energy CoopTesla Inc.Norwich, CT1 GWhNov 2016Dec 2024 Solar
Pisgah Mountain WindPisgah Mountain, LLCClifton, ME25 GWhNov 2016Dec 2024 Wind
Pfizer Groton Fuel CellGroton Fuel Cell 1 LLCGroton, CT30 GWhSep 2016Dec 2024 Natural Gas
SJA Solar LLC-Solterra Monastery CSGSJA Solar, LLCSpencer, MA27 GWhNov 2016Dec 2024 Solar
Sudbury SolarEcos Energy LLCSudbury, VT2 GWhApr 2016Dec 2024 Solar
West Groton CHPHollingsworth & Vose Co West GrotonGroton, MA22 GWhNov 2015Dec 2024 Natural Gas
CED Westfield Solar, LLCConsolidated Edison Development Inc.Westfield, MA3 GWhJul 2016Dec 2024 Solar
Orange County Solar Farm (NY)Tesla Inc.Goshen, NY2 GWhApr 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