ISO New England

Balancing Authority Summary Information

ISO New England is ranked #14 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 Jun 2025
Annual Generation 103.4 TWh
Power Plants1,561
Utilities814
Ranked #14 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 | 57.1% Nuclear | 24.6% Water | 6.2% Other Fuel | 4.5% Wind | 3.7% Solar | 1.4% 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 401 to 500 of 1,270
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Fredonia Solar LLCGreenbacker Renewable Energy CorporationFredonia, NY2 GWhAug 2021Dec 2024 Solar
Freetown MA 1, LLCNavisun LLCFreetown, MA1 GWhNov 2022Dec 2023 Solar
Freetown SolarMass Solar, LLCFreetown, MA6 GWhFeb 2015Dec 2024 Solar
French King Solar LLCFrench King Solar LLCErving, MA8 GWhOct 2022Dec 2024 Solar
Frito Lay IncorporatedFrito Lay Incorporated DayvilleDayville, CT24 GWhFeb 2009Apr 2025 Natural Gas
Front StreetCity of Chicopee - (MA)Chicopee, MA497 MWhDec 1977Dec 2024 Distillate Fuel Oil
FryeburgNautilus Solar SolutionsFryeburg, ME9 GWhApr 2023Dec 2024 Solar
Fusion Solar Center LLCFusion Solar Centre, L.L.CBaltic, CT40 GWhFeb 2018Apr 2025 Solar
Future Generation WindConsolidated Edison Solutions Inc.Plymouth, MA14 GWhJul 2016Dec 2024 Wind
GardinerKEI (Maine) Power Management (III) LLCGardiner, ME4 GWhJun 1985Dec 2024 Water
Gardner - Otter River RoadOtter River Road Solar LLCGardner, MA4 GWhSep 2019Dec 2024 Solar
Gardner Solar 1Gardner Solar 1, LLCGardner, MA3 GWhApr 2014Dec 2024 Solar
Gardners FallsCentral Rivers Power MA, LLCBuckland, MA11 GWhDec 1913Dec 2024 Water
Garvins FallsCentral Rivers Power NH, LLCBow, NH31 GWhJul 1925Dec 2024 Water
Gary Court 1 & 2Connecticut Mun Elec Engy CoopGroton, CT422 MWhJun 2010Dec 2024 Distillate Fuel Oil
GD Glocester White Oak I, LLCGD Glocester White Oak I, LLCGlocester, RI3 GWhNov 2020Dec 2024 Solar
GD Hopkinton Main I, LLCGD Hopkinton Main I, LLCHopkinton, RI16 GWhOct 2020Dec 2024 Solar
GD Johnson Scituate I, LLCGD Johnson Scituate I, LLCCranston, RI6 GWhNov 2021Dec 2024 Solar
GD Richmond Buttonwoods I, LLCGD Richmond Buttonwoods I, LLCRichmond, RI2 GWhNov 2019Dec 2024 Solar
GD West Greenwich Nooseneck I, LLCGD West Greenwich Nooseneck I, LLCWest Greenwich, RI33 GWhNov 2022Dec 2024 Solar
GD West Greenwich Victory I, LLCGD West Greenwich Victory I, LLCWest Greenwich, RI3 GWhNov 2019Dec 2024 Solar
GDIM 1, LLCGDIM 1, LLCNorth Smithfield, RI14 GWhNov 2021Dec 2024 Solar
GDIM 2, LLCGDIM 2, LLCNorth Smithfield, RI13 GWhNov 2021Dec 2024 Solar
GDIM 3, LLCGDIM 3, LLCNorth Smithfield, RI15 GWhNov 2021Dec 2024 Solar
GDIM 4, LLCGDIM 4, LLCNorth Smithfield, RI14 GWhNov 2021Dec 2024 Solar
GELD Solar FarmAmeresco, Inc - GELDGroton, MA3 GWhMay 2016Dec 2024 Solar
GenConn Devon LLCGenConn Devon LLCMilford, CT2 GWhMay 2010Dec 2023 Kerosene : 96.0% Natural Gas : 4.0%
GenConn Middletown LLCGenConn Middletown LLCMiddletown, CT4 GWhMay 2011Dec 2023 Kerosene : 83.6% Natural Gas : 16.4%
General Electric Aircraft EnginesGeneral Electric Aircraft EnginesLynn, MA2 GWhDec 1947Apr 2025 Solar
Generate Colchester Fuel Cells, LLCGenerate Colchester Fuel Cells, LLCColchester, CT77 GWhSep 2021Dec 2024 Natural Gas
Georges River EnergyRobbins Lumber IncSearsmont, ME40 GWhNov 2018Dec 2023 Wood/Wood Waste Solids
Georgia Mountain Community Wind FarmGreenbacker Renewable Energy CorporationMilton, VT30 GWhNov 2012Apr 2025 Wind
Gillette SBMCThe Gillette CompanyBoston, MA60 GWhJan 1971Apr 2025 Natural Gas : 99.9%
Gilman MillAmpersand Gilman Hydro LPGilman, VT4 GWhDec 1940Dec 2024 Water
GlenGreen Mountain Power CorpRutland, VT6 GWhJul 1920Dec 2024 Water
Glenmere LakeAES Distributed EnergyGoshen, NY4 GWhMay 2021Dec 2024 Solar
GMP Solar - HartfordGreen Mountain Power CorpHartford, VT8 GWhNov 2016Apr 2025 Solar
GMP Solar - Panton HybridGreen Mountain Power CorpPanton, VT9 GWhNov 2016Apr 2025 Solar : 96.3% Electricity used for energy storage : 3.7%
GMP Solar - RichmondGreen Mountain Power CorpRichmond, VT3 GWhSep 2016Apr 2025 Solar
GMP Solar/Storage-Essex HybridGreen Mountain Power CorpEssex, VT8 GWhAug 2019Apr 2025 Solar : 93.2% Electricity used for energy storage : 6.8%
GMP Solar/Storage-Ferrisburgh HybridGreen Mountain Power CorpFerrisburgh, VT9 GWhAug 2019Apr 2025 Solar : 93.2% Electricity used for energy storage : 6.8%
GMP Solar/Storage-Milton HybridGreen Mountain Power CorpMilton, VT8 GWhAug 2019Apr 2025 Solar : 94.0% Electricity used for energy storage : 6.0%
GMP Solar - WilliamstownGreen Mountain Power CorpWilliamstown, VT7 GWhNov 2016Apr 2025 Solar
GMP Solar - WillistonGreen Mountain Power CorpWilliston, VT7 GWhOct 2016Apr 2025 Solar
Gold Meadow FarmsCaptona Lippitt Ave Cranston LLCCranston, RI28 GWhApr 2019Dec 2024 Solar
Golden Hills SolarGolden Hills Solar, LLCRutland, MA8 GWhAug 2017Dec 2024 Solar
Golden SolarCardinal RenewablesSt. Johnsbury, VT4 GWhOct 2021Dec 2024 Solar
Goodwin HydroelectricMetropolitan Dist of HartfordW. Hartland, CT9 GWhMar 1986Dec 2024 Water
Goose Pond SolarLSE Dorado, LLCSouthwick, MA7 GWhDec 2019Dec 2024 Solar
Gorge 18Green Mountain Power CorpSouth Burlington, VT17 GWhDec 1927Dec 2024 Water
GorhamCentral Rivers Power NH, LLCGorham, NH11 GWhJul 1917Dec 2024 Water
Gorham Solar 1 (CSG)CleanCapital HoldingsGorham, ME8 GWhOct 2023Dec 2024 Solar
Grafton PVMN8 Energy LLCGrafton, MA4 GWhSep 2016Dec 2024 Solar
Grafton SolarCD US Solar MT 2 LLCGrafton, MA2 GWhSep 2013Dec 2024 Solar
Granby LFGIndustrial Power Services Corp.Granby, MA3 GWhAug 2001Dec 2024 Landfill Gas
Granby Solar, LLC CSGGranby Solar, LLCGranby, MA6 GWhJun 2021Dec 2024 Solar
Granite Reliable PowerNexteraEnergyDummer, NH197 GWhJan 2012Apr 2025 Wind
Granite RidgeGranite Ridge Energy LLCLondonderry, NH3 TWhFeb 2003Apr 2025 Natural Gas
Gravel Pit Solar, LLCGravel Pit Solar, LLCEast Windsor, CT20 GWh-Apr 2025 Solar
Gray SolarEcos Energy LLCRutland, VT3 GWhJul 2023Dec 2024 Solar
Great Falls (VT)The Town of Lyndon Electric DepartmentLyndon, VT3 GWhJul 1915Dec 2024 Water
Great Lakes Hydro America - MEGreat Lakes Hydro America LLCMillinocket, ME571 GWhJun 1917Dec 2024 Water
Greater New Bedford LFG Utiliz. FacilityCommonWealth New Bedford Energy LLCNew Bedford, MA17 GWhSep 2005Dec 2024 Landfill Gas
Green MeadowsAltus Power America Management, LLCSandwich, MA5 GWhApr 2014Dec 2024 Solar
Green Providence Wind I, LLCGreen Providence Wind I, LLCProvidence, RI2 GWhNov 2021Dec 2024 Wind
Green Providence Wind II, LLCGreen Providence Wind II, LLCProvidence, RI4 GWhNov 2021Dec 2024 Wind
Greene County Meter #1Tesla Inc.Cairo, NY1 GWhJan 2018Dec 2023 Solar
Greenfield Solar PVNSTAR Electric CompanyGreenfield, MA3 GWhDec 2018Dec 2024 Solar
Gregg FallsEagle Creek Renewable Energy, LLCGoffstown, NH9 GWhNov 1985Dec 2024 Water
Griffin Road Solar 2Griffin Road Solar 2, LLCCharlton, MA2 GWhMay 2020Dec 2024 Solar
Griffin Road Solar, LLC CSGGriffin Road Solar, LLCCharlton, MA3 GWhFeb 2018Dec 2024 Solar
Groton Wind LLCAvangrid Power LLCGroton, NH112 GWhNov 2012Apr 2025 Wind
Groveland SolarConsolidated Edison Development Inc.Groveland, MA4 GWhNov 2012Dec 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
GSPP 4643 Twelve Corners Road, LLCGreen Street Power PartnersAuburn, NY8 GWhMay 2023Dec 2024 Solar
GSPP 7024 Fox Rd, LLCGreen Street Power PartnersMarcy, NY8 GWhApr 2023Dec 2024 Solar
GSPP Boxborough Littleton (MA)GSPP Boxborough Littleton, LLCBoxborough, MA6 GWhDec 2018Dec 2024 Solar
GSPP Devens, LLCGreen Street Power PartnersAyer, MA3 GWhDec 2018Dec 2024 Solar
GSPP Gilman, LLCGreen Street Power PartnersLunenburg, VT3 GWhAug 2018Dec 2024 Solar
GSPP NESV, LLCGreen Street Power PartnersAttleboro, MA2 GWhFeb 2023Dec 2024 Solar
GSPP Raynham TMLP, LLC CSGGreen Street Power PartnersRaynham, MA4 GWhJan 2019Dec 2024 Solar
GSPP Terrawatt Westfield LLC CSGGreen Street Power PartnersWestfield, MA6 GWhJan 2019Dec 2024 Solar
Gulf IslandBrookfield White Pine Hydro LLCLewiston, ME136 GWhDec 1925Dec 2024 Water
Hadley 2 Solar, LLC CSGHadley 2 Solar, LLCHadley, MA3 GWhNov 2016Dec 2024 Solar
Hadley 3 Solar (North)Hadley 3 Solar, LLC (North)Hadley, MA3 GWhNov 2019Dec 2024 Solar
Hadley 3 Solar (South)Hadley 3 Solar, LLC (South)Hadley, MA3 GWhNov 2019Dec 2024 Solar
Hadley FallsCity of Holyoke Gas and Electric Dept.Holyoke, MA151 GWhDec 1951Dec 2024 Water
Hadley Solar NG, LLCNuGen Capital ManagementHadley, MA3 GWhJun 2014Dec 2024 Solar
Halifax SolarNuGen Capital ManagementHalifax, MA4 GWhJul 2015Dec 2024 Solar
Hamilton SolarEcos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
HampdenAltus Power America Management, LLCHampden, MA5 GWhJun 2015Dec 2024 Solar
Hampden Solar PVNSTAR Electric CompanyHampden, MA6 GWhOct 2019Dec 2024 Solar
Hampshire College HybridTesla Inc.Amherst, MA5 GWhApr 2017Dec 2024 Solar
Hampton FacilityFoss Manufacturing Company LLCHampton, NH21 GWhSep 1978Apr 2025 Natural Gas
Hancock Wind PlantOnward EnergyT22 MD, ME116 GWhNov 2016Apr 2025 Wind
Happy Hollow CSG HybridREA Investments, LLCWinchendon, MA8 GWhSep 2019Dec 2023 Solar
Harbor Road Solar 1Harbor Road Solar 1, LLCCheshire, MA3 GWhNov 2021Dec 2024 Solar
Hardwick-Athol & Eagle HillSEC CRSD Solar One, LLCHardwick, MA3 GWhJun 2015Dec 2024 Solar
Harmony SolarMaine DG Solar Harmony, LLCHarmony, ME9 GWhJul 2022Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator190.5 TWh2,051
#8Tennessee Valley Authority158.7 TWh204
#10Florida Power & Light Co.149.5 TWh187
#12New York Independent System Operator130.5 TWh1,191
#13Duke Energy Carolinas111.8 TWh565
#14ISO New England103.4 TWh1,561
#16Bonneville Power Administration81.4 TWh163
#17Duke Energy Progress East65.0 TWh558
#18Salt River Project Agricultural Improvement and Power District58.8 TWh48
#19PacifiCorp East57.6 TWh215