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%

Map of ISO New England

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for ISO New England.

Create Your Account Today

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 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Fort FairfieldStandard SolarFort Fairfield, ME8 GWhJul 2023Dec 2024 Solar
Fort Hill 1, 2, 3 & 4Connecticut Mun Elec Engy CoopUncasville, CT618 MWhJul 2010Sep 2025 Distillate Fuel Oil
Foster SolarFoster Solar, LLCNorth Scituate, RI2 GWhJul 2016Dec 2024 Solar
Founders Homestead Farms SolarAES Distributed EnergyPortsmouth, RI6 GWhNov 2019Sep 2025 Solar
Fox Island Wind LLCFox Island Wind LLCVinalhaven, ME8 GWhOct 2009Dec 2024 Wind
Foxwoods CoGenFoxwoods Resort CasinoMashantucket, CT11 GWhMay 2010Dec 2024 Natural Gas
Framingham State University PlantFramingham State UniversityFramingham, MA41 MWhMay 1974Sep 2025 Solar : 78.0% Distillate Fuel Oil : 22.0%
Franklin 1CD US Solar MT 2 LLCWrentham, MA4 GWhOct 2013Dec 2024 Solar
Franklin 2CD US Solar MT 2 LLCFranklin, MA5 GWhNov 2013Dec 2024 Solar
Franklin DriveConnecticut Jet Power LLCTorrington, CT118 MWhOct 1968Dec 2024 Kerosene
Franklin Solar (CT)Ecos Energy LLCLebanon, CT2 GWhFeb 2018Dec 2024 Solar
Fredonia Solar LLCGreenbacker Renewable Energy CorporationFredonia, NY2 GWhAug 2021Dec 2024 Solar
Freetown MA 1, LLCNavisun LLCFreetown, MA2 GWhNov 2022Dec 2024 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 2009Sep 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 2018Sep 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, CT4 GWhMay 2010Dec 2024 Kerosene : 90.3% Natural Gas : 9.7%
GenConn Middletown LLCGenConn Middletown LLCMiddletown, CT6 GWhMay 2011Dec 2024 Kerosene : 57.4% Natural Gas : 42.6%
General Electric Aircraft EnginesGeneral Electric Aircraft EnginesLynn, MA2 GWhDec 1947Sep 2025 Solar
Generate Colchester Fuel Cells, LLCGenerate Colchester Fuel Cells, LLCColchester, CT77 GWhSep 2021Dec 2024 Natural Gas
Georges River EnergyRobbins Lumber IncSearsmont, ME52 GWhNov 2018Dec 2024 Wood/Wood Waste Solids
Georgia Mountain Community Wind FarmGreenbacker Renewable Energy CorporationMilton, VT30 GWhNov 2012Sep 2025 Wind
Gillette SBMCThe Gillette CompanyBoston, MA55 GWhJan 1971Sep 2025 Natural Gas
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, VT7 GWhNov 2016Sep 2025 Solar
GMP Solar - Panton HybridGreen Mountain Power CorpPanton, VT9 GWhNov 2016Sep 2025 Solar : 99.1% Electricity used for energy storage : 0.9%
GMP Solar - RichmondGreen Mountain Power CorpRichmond, VT3 GWhSep 2016Sep 2025 Solar
GMP Solar/Storage-Essex HybridGreen Mountain Power CorpEssex, VT7 GWhAug 2019Sep 2025 Solar : 98.6% Electricity used for energy storage : 1.4%
GMP Solar/Storage-Ferrisburgh HybridGreen Mountain Power CorpFerrisburgh, VT8 GWhAug 2019Sep 2025 Solar : 98.7% Electricity used for energy storage : 1.3%
GMP Solar/Storage-Milton HybridGreen Mountain Power CorpMilton, VT7 GWhAug 2019Sep 2025 Solar : 98.6% Electricity used for energy storage : 1.4%
GMP Solar - WilliamstownGreen Mountain Power CorpWilliamstown, VT7 GWhNov 2016Sep 2025 Solar
GMP Solar - WillistonGreen Mountain Power CorpWilliston, VT6 GWhOct 2016Sep 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, NH195 GWhJan 2012Sep 2025 Wind
Granite RidgeGranite Ridge Energy LLCLondonderry, NH3 TWhFeb 2003Sep 2025 Natural Gas
Gravel Pit Solar, LLCGravel Pit Solar, LLCEast Windsor, CT113 GWh-Sep 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, NY2 GWhJan 2018Dec 2024 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, NH115 GWhNov 2012Sep 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

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