ISO New England

Balancing Authority Summary Information

ISO New England is ranked #15 out of 64 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 Jun 2026
Annual Generation 111.3 TWh
Power Plants1,577
Utilities819
Ranked #15 out of 64 in terms of net annual generation
Ranked #11 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 55.6% Nuclear | 24.8% Wind | 4.8% Water | 4.4% Other Fuel | 4.3% Solar | 1.5% 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 201 to 300 of 1,286
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
SandwichLSE Ophiuchus LLCSandwich, MA5 GWhJun 2023Dec 2024 Solar
Dynamic Energy CT STAGMilford Pepes Farm Road Solar LLCMilford, CT2 GWhJul 2023Dec 2024 Solar
Jericho Gravel Solar FarmSoCore Energy LLCJerico, VT2 GWhDec 2020Dec 2024 Solar
Jericho Landfill Solar FarmSoCore Energy LLCJerico, VT2 GWhDec 2020Dec 2024 Solar
Ellington - 277 Sadds MillOnyx Asset Services GroupEllington, CT3 GWhFeb 2024Dec 2024 Solar
ISM Solar Shepherd AcresNavisun LLCSouth Paris, ME65 MWhNov 2024Dec 2024 Solar
Augusta Road Bowdoin Solar, LLCREA Investments, LLCBowdoin, ME5 GWhJan 2022Dec 2024 Solar
Canton GLC Solar, LLCREA Investments, LLCCanton, ME4 GWhMar 2024Dec 2024 Solar
Church Hill Road Augusta Solar, LLCREA Investments, LLCAugusta, ME6 GWhJan 2022Dec 2024 Solar
Plympton Lake Street SolarREA Investments, LLCPlympton, MA2 GWhNov 2022Dec 2024 Solar
Mariaville Road Elsworth Solar, LLCREA Investments, LLCEllsworth, ME3 GWhApr 2022Dec 2024 Solar
Plympton Main Street Solar, LLCREA Investments, LLCPlympton, MA8 GWhNov 2023Dec 2024 Solar
Market Street Gardiner Solar, LLCREA Investments, LLCGardiner, ME6 GWhJun 2022Dec 2024 Solar
North Nobleboro Road, LLCREA Investments, LLCWaldoboro, ME4 GWhMay 2021Dec 2024 Solar
Nutting Ridge Solar, LLCREA Investments, LLCOtisfield, ME6 GWhMay 2023Dec 2024 Solar
Perkins Road Belfast Solar, LLCREA Investments, LLCBelfast, ME9 GWhMay 2021Dec 2024 Solar
Route 3 China Solar, LLCREA Investments, LLCChina, ME8 GWhNov 2022Dec 2024 Solar
Ward Solar 1, LLCREA Investments, LLCCarver, MA3 GWhJan 2019Dec 2024 Solar
Dairy FarmGreenbacker Renewable Energy CorporationAnson, ME542 MWhSep 2024Dec 2024 Solar
Old Frontier Solar IIIOld Frontier Solar III PV, LLCSouth Deerfield, MA4 GWhAug 2022Dec 2024 Solar
CP East Hampton I & II SolarNJR Clean Energy Ventures CorporationEast Hampton, CT3 GWhJan 2021Dec 2024 Solar
118 EchoMadison Energy Investments LLCMashpee, MA4 MWhJun 2023Dec 2024 Solar
WaterboroMadison Energy Investments LLCEast Waterboro, ME3 GWhJun 2023Dec 2024 Solar
Lebanon CSG LLCDimension Energy LLCLebanon, ME64 MWhNov 2024Dec 2024 Solar
515 Main Saugus515 Main Saugus LLCSaugus, MA2 GWhAug 2017Dec 2024 Solar
Aegean Drive SolarAegean Drive Solar LLCMethuen, MA3 GWhAug 2021Dec 2024 Solar
Downing Parkway SolarDowning Parkway Solar LLCPittsfield, MA3 GWhJun 2015Dec 2024 Solar
Millbury MA #1092Millbury MA #1092 LLCMillbury, MA2 GWhMay 2019Dec 2024 Solar
Millis MA 1Millis MA 1 LLCMillis, MA2 GWhOct 2018Dec 2024 Solar
Rochester MA 2Rochester MA 2 LLCRochester, MA2 GWhNov 2018Dec 2024 Solar
Wendell MA 1Wendell MA 1 LLCWendell, MA1 GWhNov 2018Dec 2024 Solar
Walden Solar Maine VWalden Solar Maine V LLCLeeds, ME76 MWhNov 2024Dec 2024 Solar
ME - Novel (Lighthouse Ph I) Mars HillMars Hill Road Solar Farm, LLCWestfield, ME22 MWhJul 2024Dec 2024 Solar
Central Heating PlantUniversity of Massachusetts AmherstAmherst, MA104 GWhSep 2007Dec 2024 Natural Gas : 98.5% Distillate Fuel Oil : 1.5%
Stamford Health Tully Health CenterStamford Health Tully Health CenterStamford, CT5 GWhApr 2002Dec 2024 Natural Gas
OverlookWestbound Solar 3, LLCWestminster, MA7 GWhFeb 2023Dec 2024 Solar
Bates College SkowheganWestbound Solar 3, LLCSkowhegan, ME8 GWhAug 2023Dec 2024 Solar
Randall Road Solar IGreen Street Power PartnersBallston Spa, NY2 GWhJun 2024Dec 2024 Solar
Randall Road Solar IIGreen Street Power PartnersBallston Spa, NY1 GWhJun 2024Dec 2024 Solar
Swaggertown Solar IGreen Street Power PartnersGlenville, NY122 MWhOct 2024Dec 2024 Solar
New MarlboroughSunrise on Knight Rd. LLCNew Marlborough, MA7 GWhMay 2021Dec 2024 Solar
Peru (MA)Sunrise on West Main Rd. LLCPeru, MA5 GWhOct 2020Dec 2024 Solar
Russell (MA)Sunrise on Blandford Rd. LLCRussell, MA5 GWhOct 2020Dec 2024 Solar
TollandSunrise on Clubhouse Rd. LLCTolland, MA8 GWhNov 2020Dec 2024 Solar
WesthamptonSunrise on Montague Rd. LLCWesthampton, MA7 GWhNov 2020Dec 2024 Solar
Westport (MA)Sunrise on Drift Rd. LLCWestport, MA4 GWhSep 2020Dec 2024 Solar
Swaggertown Solar IIGreen Street Power PartnersGlenville, NY1 GWhAug 2024Dec 2024 Solar
Partridge SolarSoCore Energy LLCLanesborough, MA8 GWhAug 2022Dec 2024 Solar
Saddleback SolarSoCore Energy LLCLanesborough, MA4 GWhAug 2022Dec 2024 Solar
Skyline SolarSoCore Energy LLCLanesborough, MA7 GWhAug 2022Dec 2024 Solar
Adams Grove SolarSoCore Energy LLCAdams, MA6 GWhAug 2022Dec 2024 Solar
ApolloSunrise on Wing Ln. LLCAcushnet, MA2 GWhAug 2021Dec 2024 Solar
ME - EDF - Phase II - BelfastShining Solar Partners, LLCBelfast, ME427 MWhAug 2024Dec 2024 Solar
Marston Mills SolarSoCore Energy LLCMarstons Mills, MA6 GWhNov 2021Dec 2024 Solar
Brattleboro (Windham Landfill)Greenbacker Renewable Energy CorporationBrattleboro, VT7 GWhJul 2018Dec 2024 Solar
Ajax Solar, LLC (MA)Green Street Power PartnersWest Bridgewater, MA4 GWhNov 2017Dec 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
BranfordConnecticut Jet Power LLCBranford, CT109 MWhOct 1967Dec 2024 Kerosene
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

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator173.0 TWh2,075
#9Tennessee Valley Authority163.7 TWh204
#10Florida Power & Light Co.151.0 TWh187
#12New York Independent System Operator134.9 TWh1,211
#13Duke Energy Carolinas112.2 TWh565
#15ISO New England111.3 TWh1,577
#16Bonneville Power Administration90.2 TWh163
#17Duke Energy Progress East64.7 TWh559
#18PacifiCorp East61.1 TWh216
#19Salt River Project Agricultural Improvement and Power District60.1 TWh48