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%

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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 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
160 Tihonet Rd Hybrid(CSG)160TIH WHAM8 Solar, LLCWareham, MA10 GWhNov 2021Dec 2024 Solar
77 Farm to Market Rd Hybrid(CSG)77F2M WHAM8 Solar, LLCWareham, MA9 GWhNov 2021Dec 2024 Solar
71 Charlotte Furnace Rd Hybrid(CSG)71CFR WHAM8 Solar, LLCWareham, MA2 GWhNov 2021Dec 2024 Solar
Enfield Solar OneEnfield Solar One, LLCHartford, CT5 GWhMar 2024Dec 2024 Solar
FedEx MiddletownVCP Realty, LLCMiddletown, CT151 MWhOct 2024Dec 2024 Solar
ASD Wallum MA Solar LLC(CSG)ASD Wallum MA Solar LLCDouglas, MA9 GWhDec 2021Dec 2024 Solar
ASD Cotuit MA Solar LLCASD Cotuit MA Solar LLCSandwich, MA2 GWhOct 2023Dec 2024 Solar
UMass BostonMSS Energy Holdings, LLC (d.b.a. Calibrant Energy)Dorchester, MA1 GWhDec 1971Dec 2024 Solar
Watertown Solar One, LLCDG Connecticut III, LLCWatertown, CT3 GWhMay 2021Dec 2024 Solar
Bristol Solar One, LLCDG Connecticut III, LLCBristol, CT5 GWhApr 2021Dec 2024 Solar
Torrington Solar One, LLCDG Connecticut III, LLCTorrington, CT3 GWhFeb 2021Dec 2024 Solar
Park StGreenbacker Renewable Energy CorporationRutland, VT2 GWhNov 2014Dec 2024 Solar
59 Federal Rd(CSG)59FED WHAM8 Solar, LLCCarver, MA11 GWhOct 2021Dec 2024 Solar
0 Hammond St CSG0HAM WHAM8 Solar, LLCCarver, MA14 GWhSep 2021Dec 2024 Solar
276 Federal Rd(CSG)276FED WHAM8 Solar, LLCCarver, MA10 GWhOct 2021Dec 2024 Solar
ER Salvage YardGreenbacker Renewable Energy CorporationMorrisville, VT3 GWhOct 2021Dec 2024 Solar
Billings RoadGreenbacker Renewable Energy CorporationHardwick, VT2 GWhOct 2021Dec 2024 Solar
Three Rivers Solar LLCASD Three Rivers Road MA Solar LLCWilbraham, MA154 MWhOct 2024Dec 2024 Solar
Kearsarge East ProvidenceKearsarge East Providence LLCEast Providence, RI3 GWhNov 2020Dec 2024 Solar
Kearsarge FoglandKearsarge Fogland LLCTiverton, RI3 GWhOct 2020Dec 2024 Solar
Kearsarge WesterlyKearsarge Westerly LLCWesterly, RI7 GWhNov 2020Dec 2024 Solar
Old Middleboro Road SolarAgilitas Energy, Inc.Rochester, MA11 GWhDec 2022Dec 2024 Solar
FDX010.0 FedEx Fuel Cell2016 ESA Project Company, LLCMiddletown, CT8 GWhAug 2018Dec 2024 Natural Gas
Maple(CSG)Maple Street Solar 1, LLCBellingham, MA7 GWhOct 2021Dec 2024 Solar
Brookwood Drive Community SolarAES Distributed EnergyWestport, MA7 GWhJul 2022Dec 2024 Solar
West Haydenville PJ Community SolarAES Distributed EnergyWilliamsburg, MA9 GWhAug 2022Dec 2024 Solar
Williams RdAES Distributed EnergyRansomville, NY6 GWhAug 2021Dec 2024 Solar
Townline Community SolarAES Distributed EnergyBatavia, NY7 GWhJan 2022Dec 2024 Solar
Alton Road SolarRevity Energy LLCBradford, RI24 GWhNov 2019Dec 2024 Solar
Redman South Community SolarAES Distributed EnergyBrockport, NY10 GWhJan 2022Dec 2024 Solar
Rowe (CSG)AES Distributed EnergyOlean, NY8 GWhOct 2021Dec 2024 Solar
Knapp West(CSG)AES Distributed EnergyAkron, NY7 GWhNov 2021Dec 2024 Solar
Glenmere LakeAES Distributed EnergyGoshen, NY4 GWhMay 2021Dec 2024 Solar
Main Rd Community SolarAES Distributed EnergyNewstead, NY8 GWhJun 2022Dec 2024 Solar
Knapp East (CSG)AES Distributed EnergyAkron, NY7 GWhNov 2021Dec 2024 Solar
DusenberryAES Distributed EnergyTroy, NY8 GWhNov 2021Dec 2024 Solar
Acushnet MA 2 (CSG)Navisun LLCAcushnet, MA1 GWhFeb 2024Dec 2024 Solar
Acushnet MA 1Navisun LLCAcushnet, MA2 GWhNov 2023Dec 2024 Solar
Fairhaven MA 2Consolidated Edison Development Inc.Fairhaven, MA4 GWhAug 2021Dec 2024 Solar
Dunstable Solar 1, LLCAES Distributed EnergyDunstable, MA11 GWhMar 2021Dec 2024 Solar
Fredonia Solar LLCGreenbacker Renewable Energy CorporationFredonia, NY2 GWhAug 2021Dec 2024 Solar
NaplesNaples Casco Solar 1, LLCNaples, ME3 GWhNov 2021Dec 2024 Solar
ActonActon H Road Solar 1, LLCActon, ME5 GWhNov 2021Dec 2024 Solar
Clark Road Solar 1, LLCClark Road Solar 1, LLCGardner, MA9 GWhNov 2020Dec 2024 Solar
Blodgett Solar CSGBlodgett Street Solar 1, LLCTyngsboro, MA10 GWhJul 2021Dec 2024 Solar
Kearsarge Montague BD(CSG)Kearsarge Montague BD LLCMontague, MA3 GWhOct 2021Dec 2024 Solar
Kearsarge Upper UnionKearsarge Upper Union LLCFranklin, MA2 GWhFeb 2023Dec 2024 Solar
Kearsarge HaverhillKearsarge Haverhill LLCHaverhill, MA4 GWhFeb 2021Dec 2024 Solar
Kearsarge William WayKearsarge William Way LLCBellingham, MA7 GWhNov 2021Dec 2024 Solar
TPE King Solar Holdings1, LLC (CSG)Nautilus Solar SolutionsNorth Smithfield, RI18 GWhMar 2022Dec 2024 Solar
Westport B Community Solar GardenBWC Hamilton Brook LLCWestport, MA7 GWhOct 2018Dec 2024 Solar
Adirondack A+B Community Solar GardenBWC Connecticut River LLCWestport, MA8 GWhNov 2018Dec 2024 Solar
Dover (MA)BWC Buckmaster Pond LLCDover, MA2 GWhJul 2017Dec 2024 Solar
MendonBWC Box Pond LLCMendon, MA4 GWhNov 2017Dec 2024 Solar
Westport Community Solar GardenBWC Bass River LLCWestport, MA4 GWhJun 2017Dec 2024 Solar
Joe JennyAMP MA Joe JennyOxford, MA2 GWhApr 2018Dec 2024 Solar
DudleyAMP MA DudleyDudley, MA4 GWhJun 2018Dec 2024 Solar
Wallingford SolarWallingford Renewable Energy, LLCWallingford, CT21 GWhAug 2021Dec 2024 Solar
Smithfield Solar Farm, LLCSmithfield Solar FarmSmithfield, RI4 GWhJun 2020Dec 2024 Solar
NortonMadison Energy Holdings LLCNorton, MA1 GWhFeb 2023Dec 2024 Solar
Raboth - Marion DriveMadison Energy Holdings LLCKingston, MA5 GWhFeb 2021Dec 2024 Solar
Merrimack Solar Farm, LLCMerrimack Solar FarmMerrimack, NH4 GWhDec 2018Dec 2024 Solar
Golden SolarCardinal RenewablesSt. Johnsbury, VT4 GWhOct 2021Dec 2024 Solar
Dresser Hill CSGDresser Hill Solar, LLCSouthbridge, MA6 GWhDec 2020Dec 2024 Solar
Wilmarth SolarWilmarth Lane Solar 1, LLCPlainville, MA8 GWhJan 2020Dec 2024 Solar
Town of Ware - Canadian Tree(CSG)MA CS Ware West, LLCWare, MA2 GWhNov 2021Dec 2024 Solar
Rounseville SolarRounseville Solar 1, LLCRochester, MA4 GWhJan 2020Dec 2024 Solar
CP Middletown Solar I LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
Lakeville SolarC2 MA Lakeville, LLCLakeville, MA4 GWhNov 2018Dec 2024 Solar
Bowden Solar LLC38DN Power Fund 1 LLCMonson, MA3 GWhFeb 2019Dec 2024 Solar
One PatriotBloom EnergyFoxborough, MA16 GWhNov 2019Dec 2024 Natural Gas
Nutmeg SolarNutmeg Solar LLCEnfield, CT34 GWhNov 2020Dec 2024 Solar
Palombo B Solar, LLC CSG38 Degrees North, LLCUxbridge, MA2 GWhNov 2017Dec 2024 Solar
Palombo Solar, LLC CSG38 Degrees North, LLCUxbridge, MA3 GWhNov 2017Dec 2024 Solar
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhSep 2017Dec 2024 Solar
Ledeaux Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA1 GWhOct 2017Dec 2024 Solar
Dudley River Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2024 Solar
Dudley River 2 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2024 Solar
Dudley River 3 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2024 Solar
Woodchuck Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2024 Solar
JH Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA2 GWhOct 2017Dec 2024 Solar
Incom Solar, LLC CSG38 Degrees North, LLCCharlton, MA4 GWhOct 2017Dec 2024 Solar
ISM Solar Dighton 2, LLC CSG38 Degrees North, LLCDighton, MA4 GWhNov 2017Dec 2024 Solar
Cherry Valley Solar, LLC CSG38 Degrees North, LLCLeicester, MA2 GWhOct 2017Dec 2024 Solar
Barton Acres Solar, LLC CSG38 Degrees North, LLCPhillipston, MA2 GWhSep 2017Dec 2024 Solar
Blair Wire Village Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2024 Solar
Boutillier Solar, LLC CSG38 Degrees North, LLCLeicester, MA5 GWhMar 2018Dec 2024 Solar
St. Joseph's Solar, LLC CSG38 Degrees North, LLCCharlton, MA2 GWhNov 2017Dec 2024 Solar
Samoset SolarSamoset Solar, LLCRockport, ME4 GWhJun 2023Dec 2024 Solar
Amazon BDL3 Solar ProjectSolar Star Prime 1 LLCNew Haven, CT2 GWhSep 2019Dec 2024 Solar
Randall Solar Project HybridAES Distributed EnergyBerlin, MA8 GWhJun 2021Dec 2024 Solar
Annese Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA8 GWhNov 2020Dec 2024 Solar
West A&B Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA5 GWhNov 2020Dec 2024 Solar
Cycz Solar Project CSG HybridAES Distributed EnergySpencer, MA3 GWhMay 2020Dec 2024 Solar
McDougle-Mitchell Solar Project Hybrid CAES Distributed EnergyCharlton, MA7 GWhJul 2020Dec 2024 Solar
Alicea Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA4 GWhNov 2020Dec 2024 Solar
Hurteau Solar Project HybridAES Distributed EnergyUxbridge, MA3 GWhFeb 2020Dec 2024 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2024 Solar
CP Middletown Solar II LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
Hopkins Hill CSGNautilus Solar SolutionsWest Greenwich, RI9 GWhOct 2020Dec 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