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 Apr 2026
Annual Generation 111.1 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 | 55.8% Nuclear | 24.9% Wind | 4.6% Water | 4.5% Other Fuel | 4.4% 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 1,201 to 1,300 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
FarmingtonMadison Energy Investments LLCFarmington, ME6 GWhNov 2023Dec 2024 Solar
1 CommercialMadison Energy Investments LLCSharon, MA770 MWhAug 2023Dec 2024 Solar
GSPP 7024 Fox Rd, LLCGreen Street Power PartnersMarcy, NY8 GWhApr 2023Dec 2024 Solar
GSPP NESV, LLCGreen Street Power PartnersAttleboro, MA2 GWhFeb 2023Dec 2024 Solar
GSPP 4643 Twelve Corners Road, LLCGreen Street Power PartnersAuburn, NY8 GWhMay 2023Dec 2024 Solar
GSPP 126 Little Bow Rd N, LLCGreen Street Power PartnersGouverneur, NY3 GWhNov 2023Dec 2024 Solar
GSPP 126 Little Bow Rd S, LLCGreen Street Power PartnersGouverneur, NY4 GWhNov 2023Dec 2024 Solar
Saratoga Solar III, LLCGreen Street Power PartnersMiddle Grove, NY6 GWhNov 2023Dec 2024 Solar
Saratoga Solar IV, LLCGreen Street Power PartnersRock City Falls, NY4 GWhSep 2023Dec 2024 Solar
Pulpit HillLSE Fornax LLCAmherst, MA7 GWhJun 2019Dec 2024 Solar
Sand RoadLSE Phoenix LLCNorth Canaan, CT4 GWhOct 2021Dec 2024 Solar
Norfolk Landfill Solar ProjectNJR Clean Energy Ventures CorporationNorfolk, CT494 MWhNov 2024Dec 2024 Solar
Raffia Road Solar ProjectNJR Clean Energy Ventures CorporationEnfield, CT11 MWhNov 2024Dec 2024 Solar
Brewer (CSG)Nautilus Solar SolutionsBrewer, ME2 GWhJul 2024Dec 2024 Solar
Sturbridge BarnLSE Ara LLCCharlton, MA2 GWhMay 2018Dec 2024 Solar
BunceLSE Indus LLCNorth Canaan, CT3 GWhMar 2022Dec 2024 Solar
Monument ValleyLSE Lepus LLCGreat Barrington, MA3 GWhDec 2021Dec 2024 Solar
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
Charlemont ACharlemont MA, LLCCharlemont, MA4 GWhAug 2021Nov 2024 Solar
Howard Lane SolarNJR Clean Energy Ventures CorporationGlocester, RI4 GWhAug 2023Nov 2024 Solar
ME - EDFR - Phase I - BristolOverlook Solar Partners, LLCBristol, ME6 GWhNov 2023Nov 2024 Solar
Waters RiverCity of Peabody - (MA)Peabody, MA5 GWhNov 1971Nov 2024 Natural Gas : 78.8% Distillate Fuel Oil : 21.2%
Wrightsville Hydro PlantWashington Electric Coop - (VT)Montpelier, VT2 GWhAug 1985Nov 2024 Water
Acton Solar LandfillHeliovaas LLCActon, MA2 GWhNov 2013Nov 2024 Solar
BrooksideTerraform ArcadiaNorth Smithfield, RI2 GWhOct 2015Nov 2024 Solar
East Brookfield Main Street Solar LLC CSAES Distributed EnergyEast Brookfield, MA2 GWhNov 2020Nov 2024 Solar
Blackhorse Farm Solar, LLC CSGAES Distributed EnergyWarren, RI6 GWhNov 2020Nov 2024 Solar
Fife BrookBear Swamp Power Company LLCFlorida, MA29 GWhSep 1974Oct 2024 Water
Plainfield Renewable Energy LLCPlainfield Renewable Energy, LLCPlainfield, CT247 GWhNov 2013Oct 2024 Wood/Wood Waste Solids : 99.5% Other Biomass Liquids : 0.5%
VenturaVentura Drive Dartmouth Solar 1, LLCDartmouth, MA2 GWhMay 2022Oct 2024 Solar
Skyway Avenue Solar FarmREA Investments, LLCFrenchville, ME1 GWhFeb 2024Oct 2024 Solar
Tenth StreetCity of Norwich - (CT)Norwich, CT3 GWhApr 1967Sep 2024 Water
Redman North Community SolarAES Distributed EnergyBrockport, NY2 GWhJan 2022Aug 2024 Solar
EHC West HopkintonGreen Mountain Power CorpWest Hopkinton, NH3 GWhJun 1985Jul 2024 Water
Somersworth Lower Great DamGreen Mountain Power CorpSomersworth, NH3 GWhJun 1985Jun 2024 Water
Digital FairfieldBloom EnergyTrumbull, CT10 GWhMay 2018Jun 2024 Natural Gas
Lee Site 31 SolarNSTAR Electric CompanyLee, MA2 GWhJul 2018Apr 2024 Solar
Norton LLCGreenbacker Renewable Energy CorporationNorton, MA4 GWhAug 2020Apr 2024 Solar
Mystic Generating StationConstellation Mystic Power LLCCharlestown, MA2 TWhMay 1969Mar 2024 Natural Gas
RutlandGreen Mountain Power CorpRutland City, VT84 MWhNov 1962Mar 2024 Distillate Fuel Oil
Norwich WWTPCity of Norwich - (CT)Norwich, CT1 MWhApr 2006Mar 2024 Distillate Fuel Oil
Robbins LumberRobbins Lumber IncSearsmont, ME97 MWhDec 1980Dec 2023 Distillate Fuel Oil
S D Warren WestbrookRelevate Power Management LLCWestbrook, ME33 GWhDec 1902Dec 2023 Water
Moretown Generating StationMoretown Hydroelectric LLCMoretown, VT3 GWhDec 1988Dec 2023 Water
Collins FacilityRelevate Power Management LLCWilbraham, MA7 GWhFeb 1985Dec 2023 Water
MoretownNextEra Renewable Fuels, LLCWaterbury, VT5 GWhNov 2008Dec 2023 Landfill Gas

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator176.8 TWh2,075
#9Tennessee Valley Authority163.1 TWh204
#10Florida Power & Light Co.150.9 TWh187
#12New York Independent System Operator134.4 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England111.1 TWh1,577
#16Bonneville Power Administration88.3 TWh163
#17Duke Energy Progress East64.8 TWh559
#18PacifiCorp East61.1 TWh216
#19Salt River Project Agricultural Improvement and Power District60.0 TWh48