ISO New England

Balancing Authority Summary Information

ISO New England is ranked #15 out of 64 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 Jul 2026
Annual Generation 111.1 TWh
Power Plants1,629
Utilities833
Ranked #15 out of 64 in terms of net annual generation
Ranked #10 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 54.9% Nuclear | 25% Wind | 5.1% Water | 4.5% Other Fuel | 4.4% Solar | 1.6% 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 1,101 to 1,200 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Coolidge Solar 1, LLCCoolidge Solar I, LLCLudlow, VT25 GWhNov 2018May 2026 Solar
Connecticut CollegeBloom EnergyNew London, CT10 GWhAug 2019Dec 2025 Natural Gas
Conn Mun Electric Energy CoopTesla Inc.Norwich, CT1 GWhNov 2016Dec 2025 Solar
Concord Solar FarmKearsarge Solar LLCConcord, MA2 GWhMar 2014Dec 2025 Solar
ComerfordGreat River Hydro, LLCMonroe, NH297 GWhAug 1930Dec 2025 Water
Cold River Road SolarOnsite Partners, LLCNorth Clarendon, VT3 GWhNov 2016Dec 2025 Solar
Colchester 16Green Mountain Power CorpColchester, VT310 MWhSep 1965Dec 2025 Distillate Fuel Oil
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA1 GWhSep 2017Dec 2025 Solar
Cobble MountainCity of Holyoke Gas and Elec Dept - (MA)Granville, MA7 GWhDec 1929Dec 2025 Water
CMEEC - Rogers Rd SolarTesla Inc.Norwich, CT2 GWhJan 2017Dec 2025 Solar
CMEEC - Polaris Park Solar HybridTesla Inc.Gordon, CT4 GWhJul 2017Dec 2025 Solar : 99.9%
CMEEC - Norwich Stott St Solar HybridTesla Inc.Norwich, CT4 GWhNov 2016Dec 2025 Solar
CMEEC - Navy NE TridentTesla Inc.Groton, CT1 GWhMay 2017Dec 2025 Solar
CMEEC - BozrahTesla Inc.Bozrah, CT3 GWhNov 2016Dec 2025 Solar
Clinton SolarEcos Energy LLCGriswold, CT2 GWhApr 2021Dec 2025 Solar
Clemons Road SolarRPNY Solar 4, LLCMinoa, NY4 GWhJun 2024Dec 2025 Solar
Clement Dam Hydro LLCEagle Creek Renewable Energy, LLCTilton, NH7 GWhNov 1984Oct 2025 Water
Cleary Flood HybridCity of Taunton - (MA)Taunton, MA54 GWhMay 1966Dec 2025 Natural Gas : 94.0% Distillate Fuel Oil : 6.0%
Clark UniversityClark UniversityWorcester, MA4 GWhDec 2012Dec 2025 Natural Gas
Clark Road Solar 1, LLCClark Road Solar 1, LLCGardner, MA8 GWhNov 2020Dec 2025 Solar
Clark FallsGreen Mountain Power CorpMilton, VT14 GWhJan 1937Dec 2025 Water
Clarendon Solar FarmClarendon Solar Farm, LLCNorth Clarendon, VT3 GWhJun 2014Dec 2025 Solar
Claire Solar FarmClaire Solar Partners LLCSouth Burlington, VT4 GWhJun 2014Dec 2024 Solar
Citizens Agawam Landfill SolarCitizens Enterprises CorporationAgawam, MA3 GWhMar 2017Dec 2025 Solar
Church Hill Road Augusta Solar, LLCREA Investments, LLCAugusta, ME7 GWhJan 2022Dec 2025 Solar
Chocksett Rd Energy Storage ProjectSterling Municipal Light Department - (MA)Sterling, MA62 MWhMar 2017Dec 2025 Electricity used for energy storage
Chittenden County Solar PartnersChittenden County Solar Partners LLCSouth Burlington, VT3 GWhApr 2011Dec 2024 Solar
China Mill HydroNew Hampshire Hydro AssociatesAllenstown, NH3 GWhJun 1981Dec 2025 Water
Chicopee SolarCitizens Enterprises CorporationChicopee, MA4 GWhNov 2013Dec 2025 Solar
Chicopee River SolarCitizens Enterprises CorporationSpringfield, MA3 GWhDec 2014Dec 2025 Solar
Chicopee Granby Road SolarCitizens Enterprises CorporationChicopee, MA2 GWhDec 2014Dec 2025 Solar
ChicopeeCaptona Chicopee LLCChicopee, MA2 GWhMar 2017Dec 2025 Solar
Chester Solar FarmKearsarge Solar LLCChester, MA6 GWhMay 2014Dec 2025 Solar
Chester Power PartnersAltus Power America Management, LLCNorth Chester, VT2 GWhOct 2014Dec 2025 Solar
Cherry Valley Solar, LLC CSG38 Degrees North, LLCLeicester, MA2 GWhOct 2017Dec 2025 Solar
Cherry StreetTown of Hudson - (MA)Hudson, MA320 MWhApr 1951Dec 2025 Distillate Fuel Oil : 58.5% Natural Gas : 41.5%
ChemicalCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA5 GWhDec 1934Dec 2025 Water
Chatham LandfillClean Focus Yield, LLCChatham, MA2 GWhAug 2014Dec 2025 Solar
Charlton Solar I CSGCharlton Solar I, LLCCharlton, MA5 GWhNov 2014Dec 2025 Solar
Charlotte Solar LLC VTAltus Power America Management, LLCCharlotte, VT3 GWhJun 2014Dec 2025 Solar
Charlestown Wind TurbineMWRA CharlestownCharlestown, MA1 GWhSep 2011Dec 2025 Wind
Charles E MontyBrookfield White Pine Hydro LLCLewiston, ME114 GWhDec 1989Dec 2025 Water
Charlemont AAgilitas Energy, Inc.Charlemont, MA3 GWhAug 2021Dec 2025 Solar
Chace Mill Winooski OneCity of Burlington Electric - (VT)Winooski, VT17 GWhMar 1993Dec 2025 Water
CES Sterling LLCSunEdison LLCSterling, MA3 GWhJan 2013Dec 2025 Solar
CES Agawam Tuckahoe Solar HybridCES Agawam Tuckahoe Solar LLCAgawam, MA7 GWhNov 2021Dec 2025 Solar
Central Power PlantState of Rhode IslandCranston, RI19 GWhJul 1958Mar 2026 Natural Gas : 97.5% Distillate Fuel Oil : 2.5%
Central Heating PlantUniversity of Massachusetts AmherstAmherst, MA80 GWhSep 2007Dec 2025 Natural Gas : 96.3% Distillate Fuel Oil : 3.7%
Centech Gas GeneratorTown of Shrewsbury - (MA)Shrewsbury, MA428 MWhMar 2019Dec 2025 Natural Gas
Centaurus Solar - MALSE Centaurus LLCAshland, MA3 GWhOct 2016Dec 2025 Solar
Cenergy - Wiscasset (CSG)Luminace Sunbeam Development Holdings, LLCWiscasset, ME8 GWhJun 2023Dec 2025 Solar
Cenergy - Waterville (CSG)Luminace Sunbeam Development Holdings, LLCWaterville, ME9 GWhJun 2023Dec 2025 Solar
Cenergy - Richards (CSG)Luminace Sunbeam Development Holdings, LLCFairfield, ME2 GWhSep 2023Dec 2025 Solar
Cenergy - PulkBAP Grounded 2 LLCSabattus, ME8 GWhNov 2024Dec 2025 Solar
Cenergy - KigerLuminace Sunbeam Development Holdings, LLCEmbden, ME2 GWhNov 2023Dec 2025 Solar
Cellu TissueDunn Paper East Hartford, LLCEast Hartford, CT12 GWhApr 2009May 2026 Natural Gas
Cedarville CSGAltus Power America Management, LLCPlymouth, MA914 MWhJun 2017Dec 2025 Solar
CED Westfield Solar, LLCRWE Clean EnergyWestfield, MA3 GWhJul 2016Dec 2025 Solar
CED Northampton Solar LLC HybridRWE Clean EnergyNorthampton, MA6 GWhNov 2019Dec 2025 Solar
CED FosterRWE Clean EnergyFoster, RI3 GWhNov 2017May 2026 Solar
CED Chicopee SolarRWE Clean EnergyChicopee, MA5 GWhJun 2017Dec 2025 Solar
CCSU Fuel Cell ProjectNew Britain Renewable Energy, LLCNew Britain, CT7 GWhMar 2012Dec 2025 Natural Gas
CCSU Co-Gen-STBY GenCentral Connecticut State UniversityNew Britain, CT10 MWhSep 1993Dec 2025 Natural Gas
CavendishGreen Mountain Power CorpCavendish, VT1 GWhJan 1907Dec 2025 Water
Caterpillar HillAES Clean EnergySedgwick, ME9 GWhNov 2023Dec 2025 Solar
Cataract HydroBrookfield White Pine Hydro LLCSaco, ME23 GWhDec 1936Dec 2025 Water
Carver MA 1 Community SolarNavisun LLCCarver, MA3 GWhAug 2016Dec 2025 Solar
Carver FallsGreen Mountain Power CorpHampton, NY4 GWhJan 1922Dec 2025 Water
Carver CSGAltus Power America Management, LLCCarver, MA3 GWhApr 2019Dec 2025 Solar
CarverCaptona Carver LLCNorth Carver, MA2 GWhApr 2017Dec 2025 Solar
Caribou SolarSoCore Energy LLCCaribou, ME6 GWhNov 2024Dec 2025 Solar
CaribouAltus Power America Management, LLCCaribou, ME6 GWhJul 2023Dec 2025 Solar
Cape Gas TurbineFPL Energy Cape LLCPortland, ME752 MWhDec 1969Dec 2025 Distillate Fuel Oil
Cape Cod Air Force Station - 6 SWSUS Space ForceSagamore, MA6 GWhDec 2013May 2026 Wind
Canton Mountain WindCPV Canton Mountain Wind LLCCanton, ME56 GWhOct 2017Dec 2025 Wind
Canton GLC Solar, LLCREA Investments, LLCCanton, ME5 GWhMar 2024Dec 2025 Solar
CantonCaptona Canton LLCCanton, MA6 GWhJul 2012Dec 2025 Solar
Canis Major Solar FarmLSE Canis Major LLCSuffield, CT3 GWhNov 2016Dec 2025 Solar
CanalCanal Generating LLCSandwich, MA546 GWhMay 1968May 2026 Residual Fuel Oil : 55.3% Natural Gas : 34.6% Distillate Fuel Oil : 10.1%
CanaanCentral Rivers Power NH, LLCCanaan, VT6 GWhJul 1927Dec 2025 Water
Camelot Wind LLCCamelot Wind LLCPlymouth, MA2 GWhSep 2012Dec 2024 Wind
Cadys FallsVillage of Morrisville - (VT)Morrisville, VT2 GWhJul 1914Dec 2025 Water
Cabot HolyokeCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA3 GWhDec 1892Dec 2025 Water
CabotFirstLight Power Resources, Inc. - MAMontague, MA239 GWhDec 1914Dec 2025 Water
BWC Wareham RiverBWC Wareham River, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
BWC Wading River One, Two, Three CSGAmeresco BWC Wading River LLCMendon, MA2 GWhOct 2017Dec 2025 Solar
BWC Unity Pond LLCNavisun LLCBenton, ME7 GWhNov 2023Dec 2025 Solar
BWC Swan Pond River CSGBWC Swan Pond River, LLCRehoboth, MA3 GWhNov 2015Dec 2025 Solar
BWC Stony Brook, LLC HybridAES Distributed EnergyChelmsford, MA2 GWhJun 2021Dec 2025 Solar
BWC Rams Horn Channel LLCNavisun LLCBeverly, MA6 GWhNov 2020Dec 2025 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
BWC Origination 8 LLC Sturbridge 2BWC Origination 8 LLC Sturbridge 2 LLCSturbridge, MA1 GWhAug 2017Dec 2025 Solar
BWC Origination 8 LLC Sturbridge 1BWC Origination 8 LLC Sturbridge 1 LLCSturbridge, MA1 GWhJul 2017Dec 2025 Solar
BWC Origination 19BWC Origination 19 LLCHopedale, MA2 GWhJul 2017Dec 2025 Solar
BWC Origination 18BWC Origination 18, LLCMattapoisett, MA7 GWhNov 2018Dec 2025 Solar
BWC Mystic RiverBWC Mystic River LLCMendon, MA2 GWhJun 2017Dec 2025 Solar
BWC Muddy Brook, LLC HybridAES Distributed EnergyMendon, MA2 GWhAug 2021Dec 2025 Solar : 99.8%
BWC Maces Pond LLCNavisun LLCRockport, ME4 GWhNov 2021Dec 2025 Solar
BWC Lake Lashaway, LLC HybridAES Distributed EnergyNorth Brookfield, MA8 GWhApr 2021Dec 2025 Solar : 99.4% Electricity used for energy storage : 0.6%
BWC Jimmie PondNavisun LLCHampden, ME3 GWhNov 2024Dec 2025 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator169.4 TWh2,135
#9Tennessee Valley Authority163.4 TWh207
#10Florida Power & Light Co.152.2 TWh187
#12New York Independent System Operator134.3 TWh1,299
#13Duke Energy Carolinas112.6 TWh577
#15ISO New England111.1 TWh1,629
#16Bonneville Power Administration91.6 TWh167
#17Duke Energy Progress East64.5 TWh565
#18PacifiCorp East60.9 TWh222
#19Salt River Project Agricultural Improvement and Power District60.3 TWh49