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
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
Breckenridge SolarBreckenridge Street Solar 1, LLCPalmer, MA7 GWhOct 2020Dec 2024 Solar
Bowden Solar LLC38DN Power Fund 1 LLCMonson, MA3 GWhFeb 2019Dec 2024 Solar
Syncarpha Halifax Hybrid CSGSyncarpha Halifax, LLCHalifax, MA3 GWhNov 2020Dec 2024 Solar
Syncarpha Millbury Hybrid (CSG)Syncarpha Millbury, LLCMillbury, MA8 GWhSep 2022Dec 2024 Solar
Syncarpha Blandford Hybrid CSGSyncarpha Blandford, LLCBlandford, MA8 GWhNov 2019Dec 2024 Solar
Syncarpha Northampton Hybrid CSGSyncarpha Northampton, LLCNorthampton, MA5 GWhNov 2020Dec 2024 Solar
Syncarpha Northbridge I Hybrid(CSG)Syncarpha Northbridge I, LLCWhitinsville, MA9 GWhNov 2021Dec 2024 Solar
Syncarpha Northbridge II Hybrid CSGSyncarpha Northbridge II, LLCWhitinsville, MA8 GWhMar 2021Dec 2024 Solar
Goose Pond SolarLSE Dorado, LLCSouthwick, MA7 GWhDec 2019Dec 2024 Solar
Cronin Road Solar 1, LLC CSG HybridAES Distributed EnergyWarren, MA3 GWhMay 2020Dec 2024 Solar
Lane Ave Solar LLCAES Distributed EnergyNorth Brookfield, MA2 GWhAug 2021Dec 2024 Solar
Ryan Road Solar LLC Hybrid(CSG)AES Distributed EnergyNorth Brookfield, MA9 GWhNov 2021Dec 2024 Solar
Bulls BridgeFirstLight Power Resources Services LLCNew Milford, CT31 GWhDec 1902Dec 2024 Water
Wilbur Woods Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2024 Solar
West Street Solar 1 LLCAES Distributed EnergyGardner, MA9 GWhNov 2019Dec 2024 Solar
Hopkins Hill CSGNautilus Solar SolutionsWest Greenwich, RI9 GWhOct 2020Dec 2024 Solar
Hopkinton Phase 2Vista Solar, Inc.Ashaway, RI4 GWhAug 2020Dec 2024 Solar
VPPSA Project 10Vermont Public Power Supply AuthoritySwanton, VT1 GWhApr 2010Dec 2024 Distillate Fuel Oil
Battle Creek SolarEcos Energy LLCBennington, VT3 GWhSep 2018Dec 2024 Solar
Middleton Solar ParkHG Solar Development, LLCMiddleton, MA7 GWhMay 2018Dec 2024 Solar
Brookfield Wire CompanyDynamic Energy Solutions, LLCBrookfield, MA2 GWhMay 2016Dec 2024 Solar
Sherman SolarEcos Energy LLCGriswold, CT1 GWhNov 2019Dec 2024 Solar
Jackson Solar (CT)Ecos Energy LLCGriswold, CT1 GWhNov 2019Dec 2024 Solar
Sydney SolarEcos Energy LLCHampton, CT3 GWhMay 2020Dec 2024 Solar
Dickinson Solar (CT)Ecos Energy LLCHampton, CT3 GWhMay 2020Dec 2024 Solar
Becton CanaanDG Northeast 1, LLCNorth Canaan, CT3 GWhFeb 2018Dec 2024 Solar
Plainfield Solar 2Ecos Energy LLCPlainfield, CT1 GWhMar 2020Dec 2024 Solar
Partridge Hill Solar HybridAES Distributed EnergyCharlton, MA3 GWhJun 2020Dec 2024 Solar
Natick MallNatick MallNatick, MA4 GWhSep 2018Dec 2024 Solar
South Windsor Fuel CellSouth Energy Investments LLCSouth Windsor, CT39 GWhFeb 2020Dec 2024 Natural Gas
Sutton Solar 2, LLC CSGSutton Solar 2, LLCSutton, MA1 GWhNov 2020Dec 2024 Solar
Granby Solar, LLC CSGGranby Solar, LLCGranby, MA6 GWhJun 2021Dec 2024 Solar
Ticket Network South WindsorPowerflexSouth Windsor, CT2 GWhApr 2018Dec 2024 Solar
Corbin Russwin Phase 3 BerlinPowerflexBerlin, CT2 GWhMar 2018Dec 2024 Solar
GSPP Gilman, LLCGreen Street Power PartnersLunenburg, VT3 GWhAug 2018Dec 2024 Solar
CP Middletown Solar I LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
CP Middletown Solar II LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2024 Solar
Hurteau Solar Project HybridAES Distributed EnergyUxbridge, MA3 GWhFeb 2020Dec 2024 Solar
Alicea Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA4 GWhNov 2020Dec 2024 Solar
McDougle-Mitchell Solar Project Hybrid CAES Distributed EnergyCharlton, MA7 GWhJul 2020Dec 2024 Solar
Cycz Solar Project CSG HybridAES Distributed EnergySpencer, MA3 GWhMay 2020Dec 2024 Solar
West A&B Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA5 GWhNov 2020Dec 2024 Solar
Annese Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA8 GWhNov 2020Dec 2024 Solar
Randall Solar Project HybridAES Distributed EnergyBerlin, MA8 GWhJun 2021Dec 2024 Solar
Amazon BDL3 Solar ProjectSolar Star Prime 1 LLCNew Haven, CT2 GWhSep 2019Dec 2024 Solar
Samoset SolarSamoset Solar, LLCRockport, ME4 GWhJun 2023Dec 2024 Solar
St. Joseph's Solar, LLC CSG38 Degrees North, LLCCharlton, MA2 GWhNov 2017Dec 2024 Solar
Boutillier Solar, LLC CSG38 Degrees North, LLCLeicester, MA5 GWhMar 2018Dec 2024 Solar
Blair Wire Village Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2024 Solar
Barton Acres Solar, LLC CSG38 Degrees North, LLCPhillipston, MA2 GWhSep 2017Dec 2024 Solar
Cherry Valley Solar, LLC CSG38 Degrees North, LLCLeicester, MA2 GWhOct 2017Dec 2024 Solar
ISM Solar Dighton 2, LLC CSG38 Degrees North, LLCDighton, MA4 GWhNov 2017Dec 2024 Solar
Incom Solar, LLC CSG38 Degrees North, LLCCharlton, MA4 GWhOct 2017Dec 2024 Solar
JH Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA2 GWhOct 2017Dec 2024 Solar
Woodchuck Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2024 Solar
Dudley River 3 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 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2024 Solar
Ledeaux Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA1 GWhOct 2017Dec 2024 Solar
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhSep 2017Dec 2024 Solar
Palombo Solar, LLC CSG38 Degrees North, LLCUxbridge, MA3 GWhNov 2017Dec 2024 Solar
Palombo B Solar, LLC CSG38 Degrees North, LLCUxbridge, MA2 GWhNov 2017Dec 2024 Solar
Nutmeg SolarNutmeg Solar LLCEnfield, CT34 GWhNov 2020Dec 2024 Solar
One PatriotBloom EnergyFoxborough, MA16 GWhNov 2019Dec 2024 Natural Gas
ZPD-PT Solar Project 2017-023 LLC HybridAES Distributed EnergySouthbridge, MA4 GWhDec 2020Dec 2024 Solar
BerkleyCaptona Berkley LLCBerkley, MA4 GWhMar 2017Dec 2024 Solar
KilvertCaptona Kilvert Street Warwick LLCWarwick, RI8 GWhNov 2018Dec 2024 Solar
A Street 1Captona A Street 1 Johnston LLCJohnston, RI2 GWhNov 2018Dec 2024 Solar
CarverCaptona Carver LLCNorth Carver, MA2 GWhApr 2017Dec 2024 Solar
Plainfield PikeCaptona Plainfield Pike Johnston LLCJohnston, RI4 GWhMay 2019Dec 2024 Solar
ChicopeeCaptona Chicopee LLCChicopee, MA3 GWhMar 2017Dec 2024 Solar
Ware Palmer Road Solar LLC CSGWare Palmer Road Solar LLCWare, MA5 GWhMay 2021Dec 2024 Solar
Kenmare - Mansfield Branch StreetMN8 Energy LLCMansfield, MA2 GWhMay 2017Dec 2024 Solar
BWC Stony Brook, LLC HybridAES Distributed EnergyChelmsford, MA2 GWhJun 2021Dec 2024 Solar
ZPD-PT Solar Project 2017-038 Hybrid LLCAES Distributed EnergyLancaster, MA7 GWhMar 2021Dec 2024 Solar
SR North StoningtonSR North Stonington, LLCNorth Stonington, CT13 GWhFeb 2024Dec 2024 Solar
Newton Rumford LandfillNewton Municipal Solar LLC - RumfordNewton, MA3 GWhJun 2017Dec 2024 Solar
BWC Muddy Brook, LLC HybridAES Distributed EnergyMendon, MA2 GWhAug 2021Dec 2024 Solar
BWC Lake Lashaway, LLC HybridAES Distributed EnergyNorth Brookfield, MA8 GWhApr 2021Dec 2024 Solar
ZPD-PT Solar Project 2017-044 LLC CSGAES Distributed EnergySpencer, MA1 GWhSep 2021Dec 2024 Solar
Lawrence BrookGreenbacker Renewable Energy CorporationMorristown, VT3 GWhNov 2020Dec 2024 Solar
WilbrahamBWC East Brook, LLCWilbraham, MA5 GWhNov 2020Dec 2024 Solar
Georges River EnergyRobbins Lumber IncSearsmont, ME52 GWhNov 2018Dec 2024 Wood/Wood Waste Solids
ZPD-PT Solar Project 2017-006 LLC HybridAES Distributed EnergyWarren, MA5 GWhJun 2021Dec 2024 Solar
Plainfield Solar 1Ecos Energy LLCPlainfield, CT1 GWhDec 2019Dec 2024 Solar
GD Glocester White Oak I, LLCGD Glocester White Oak I, LLCGlocester, RI3 GWhNov 2020Dec 2024 Solar
WED Coventry Seven, LLCWED Coventry Seven, LLCCoventry, RI5 GWhNov 2020Dec 2024 Solar
Roger Williams - Melville at PortsmouthLuminace Solar Rhode Island, LLCPortsmouth, RI5 GWhFeb 2021Dec 2024 Solar
Madison Solar (CT)Ecos Energy LLCSomers, CT2 GWhDec 2020Dec 2024 Solar
ZPD-PT Solar Project 2017-021 LLC HybridAES Distributed EnergyWilbraham, MA2 GWhDec 2020Dec 2024 Solar
Auburn Solar ProjectAgilitas Energy, Inc.Auburn, MA8 GWhApr 2022Dec 2024 Solar
Blair SolarEcos Energy LLCSomers, CT2 GWhDec 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