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 1,001 to 1,100 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Adirondack A+B Community Solar GardenBWC Connecticut River LLCWestport, MA8 GWhNov 2018Dec 2024 Solar
Federal Road Solar 1, LLC CSGFederal Road Solar 1, LLCSouth Carver, MA8 GWhNov 2015Dec 2025 Solar
TollandSunrise on Clubhouse Rd. LLCTolland, MA8 GWhNov 2020Dec 2024 Solar
BWC Lake Lashaway, LLC HybridAES Distributed EnergyNorth Brookfield, MA8 GWhApr 2021Dec 2025 Solar : 99.4% Electricity used for energy storage : 0.6%
Pittsfield Solar (N. Main St)Maine DG Solar Pittsfield, LLCPittsfield, ME8 GWhSep 2023Dec 2025 Solar
KilvertCaptona Kilvert Street Warwick LLCWarwick, RI8 GWhNov 2018Dec 2025 Solar
MMWEC Simple Cycle Gas TurbineMassachusetts Mun Wholes Electric CoPeabody, MA8 GWhJun 2024Dec 2025 Distillate Fuel Oil : 69.0% Natural Gas : 31.0%
Redman South Community SolarAES Distributed EnergyBrockport, NY8 GWhJan 2022Jun 2025 Solar
JackmanCentral Rivers Power NH, LLCHillsborough, NH8 GWhJan 1926Aug 2025 Water
GorhamCentral Rivers Power NH, LLCGorham, NH8 GWhJul 1917Dec 2025 Water
Wells (ME)Nautilus Solar SolutionsWells, ME8 GWhJun 2022Dec 2025 Solar
Old Middleboro Road SolarAgilitas Energy, Inc.Rochester, MA8 GWhDec 2022Dec 2025 Solar
LR Wheatfield Solar 1LR Wheatfield Solar 1, LLCWheatfield, NY8 GWhSep 2020Dec 2025 Solar
Dunstable Solar 1, LLCAES Distributed EnergyDunstable, MA8 GWhMar 2021Dec 2025 Solar
Syncarpha Puddon I Hybrid CSGSyncarpha Puddon I, LLCNorthbridge, MA8 GWhFeb 2021Dec 2025 Solar
East Longmeadow Solar PVNSTAR Electric CompanyEast Longmeadow, MA8 GWhSep 2019Dec 2025 Solar
Bates College SkowheganWestbound Solar 3, LLCSkowhegan, ME8 GWhAug 2023Dec 2025 Solar
Cenergy - Wiscasset (CSG)Luminace Sunbeam Development Holdings, LLCWiscasset, ME8 GWhJun 2023Dec 2025 Solar
GMP Solar - Panton HybridGreen Mountain Power CorpPanton, VT8 GWhNov 2016May 2026 Solar
Syncarpha Puddon II Hybrid CSGSyncarpha Puddon II, LLCNorthbridge, MA8 GWhFeb 2021Dec 2025 Solar
Syncarpha Northbridge I Hybrid(CSG)Syncarpha Northbridge I, LLCWhitinsville, MA8 GWhNov 2021Dec 2025 Solar
ME - EDFR - Phase I - BristolOverlook Solar Partners, LLCBristol, ME9 GWhNov 2023Dec 2025 Solar
Blacksmith Road Solar 1Blacksmith Road Solar 1, LLCFalmouth, MA9 GWhNov 2021Dec 2025 Solar
Randall Solar Project HybridAES Distributed EnergyBerlin, MA9 GWhJun 2021Dec 2025 Solar
Happy Hollow CSG HybridREA Investments, LLCWinchendon, MA9 GWhSep 2019Dec 2024 Solar
Dynamic - Enfield Hammett Road CSGAltus Power America Management, LLCEnfield, ME9 GWhAug 2024Dec 2025 Solar
West Haydenville PJ Community SolarAES Distributed EnergyWilliamsburg, MA9 GWhAug 2022Dec 2025 Solar : 99.8%
Perkins Road Belfast Solar, LLCREA Investments, LLCBelfast, ME9 GWhMay 2021Dec 2025 Solar
OaklandNautilus Solar SolutionsOakland, ME9 GWhAug 2022Dec 2025 Solar
Woodland Avenue Solar 1Woodland Avenue Solar 1, LLCSeekonk, MA9 GWhJul 2020Dec 2025 Solar
Fairfield PV - BD Solar Fairfield LLCBD Solar Fairfield LLCFairfield, ME9 GWhMay 2021Dec 2025 Solar
Fox Island Wind LLCFox Island Wind LLCVinalhaven, ME9 GWhOct 2009Dec 2025 Wind
Dynamic - Leeds Solar (CSG)Nautilus Solar SolutionsLeeds, ME9 GWhOct 2024Dec 2025 Solar
Kearsarge West Shore Solar LLCKearsarge West Shore Solar LLCPortsmouth, RI9 GWhNov 2022Dec 2025 Solar
Cenergy - Waterville (CSG)Luminace Sunbeam Development Holdings, LLCWaterville, ME9 GWhJun 2023Dec 2025 Solar
Dynamic - Norridgewock Martin Stream (CSG)Nautilus Solar SolutionsNorridgewock, ME9 GWhOct 2024Dec 2025 Solar
Exeter Mail CSGNautilus Solar SolutionsExeter, RI9 GWhDec 2024Dec 2025 Solar
Somers Solar Center, LLCOnward EnergySomers, CT9 GWhNov 2013Dec 2025 Solar
Caterpillar HillAES Clean EnergySedgwick, ME9 GWhNov 2023Dec 2025 Solar
Williamsville Hybrid CSG147 Williamsville Solar 1, LLCHubbardston, MA9 GWhAug 2021Dec 2024 Solar
South Street - MiddleburyGreenbacker Renewable Energy CorporationMiddlebury, VT9 GWhNov 2023Dec 2025 Solar
BD Solar Ellsworth LLCBD Solar Hancock North LLCAugusta, ME9 GWhMay 2022Dec 2025 Solar
Harmony Solar (ME)Maine DG Solar Harmony, LLCHarmony, ME9 GWhJul 2022Dec 2025 Solar
WED Coventry 2WED Coventry Two, LLCCoventry, RI9 GWhJul 2016May 2026 Wind
Mine Falls Generating StationCity of Nashua - (NH)Nashua, NH9 GWhNov 1985Dec 2025 Water
Southington Solar OneDG Connecticut III, LLCSouthington, CT9 GWhJan 2022Dec 2025 Solar
Bristol Landfill SolarNuGen Capital ManagementBristol, RI9 GWhFeb 2024Dec 2025 Solar
FryeburgNautilus Solar SolutionsFryeburg, ME9 GWhApr 2023Dec 2025 Solar
Augusta PV - BD Solar Augusta LLCBD Solar Augusta LLCAugusta, ME9 GWhMay 2021Dec 2025 Solar
77 Farm to Market Rd Hybrid(CSG)77F2M WHAM8 Solar, LLCWareham, MA9 GWhNov 2021Dec 2024 Solar
Stillwater BBrookfield Black Bear Hydro, LLCOld Town, ME9 GWhAug 2013Dec 2025 Water
ASD Wallum MA Solar LLC(CSG)ASD Wallum MA Solar LLCDouglas, MA9 GWhDec 2021Dec 2024 Solar
MonmouthMaine DG Solar Monmouth, LLCMonmouth, ME9 GWhFeb 2022Dec 2025 Solar
Dynamic Madison (CSG)MN8 Energy LLCMadison, ME10 GWhJul 2022Dec 2025 Solar
Hopkins Hill CSGNautilus Solar SolutionsWest Greenwich, RI10 GWhOct 2020Dec 2025 Solar
Ryan Road Solar LLC Hybrid(CSG)AES Distributed EnergyNorth Brookfield, MA10 GWhNov 2021Dec 2025 Solar
Baldwin (ME)Maine DG Solar Baldwin, LLCWest Baldwin, ME10 GWhFeb 2022Dec 2025 Solar
Wellesley College Central Utility PlantWellesley CollegeWellesley, MA10 GWhMay 1985Dec 2025 Natural Gas
Southbridge Landfill Gas-to-EnergySouthbridge Recycling and Disposal ParkSouthbridge, MA10 GWhSep 2011Dec 2025 Landfill Gas
TES RowtierSkyHigh 2 SolarWestminster, MA10 GWhMar 2021Dec 2025 Solar
WeybridgeGreen Mountain Power CorpWeybridge, VT10 GWhJan 1951Dec 2025 Water
160 Tihonet Rd Hybrid(CSG)160TIH WHAM8 Solar, LLCWareham, MA10 GWhNov 2021Dec 2024 Solar
Blodgett Solar CSGBlodgett Street Solar 1, LLCTyngsboro, MA10 GWhJul 2021Dec 2024 Solar
Dynamic Corinth (CSG)MN8 Energy LLCCorinth, ME10 GWhSep 2022Dec 2025 Solar
Searsburg Wind TurbineGreen Mountain Power CorpSearsburg, VT10 GWhMay 1997May 2026 Wind
Benton Falls AssociatesEssex Hydro Associates LLCBenton, ME10 GWhNov 1987Dec 2025 Water
UB Fuel CellUB Fuel CellBridgeport, CT10 GWhMar 2015Dec 2025 Natural Gas
276 Federal Rd(CSG)276FED WHAM8 Solar, LLCCarver, MA10 GWhOct 2021Dec 2024 Solar
Connecticut CollegeBloom EnergyNew London, CT10 GWhAug 2019Dec 2025 Natural Gas
Huxley SolarAgilitas Energy, Inc.Ludlow, MA10 GWhNov 2022Dec 2025 Solar
Winslow PV - BD Solar 2 LLCBD Solar 2 LLCWinslow, ME10 GWhJun 2022Dec 2025 Solar
QuarryNautilus Solar SolutionsNorth Berwick, ME10 GWhNov 2022Dec 2025 Solar
Wind Colebrook SouthWind Colebrook SouthColebrook, CT11 GWhOct 2015May 2026 Wind
Dartmouth College Heating PlantDartmouth CollegeHanover, NH11 GWhDec 1969May 2026 Residual Fuel Oil
Putts BridgeCentral Rivers Power MA, LLCLudlow, MA11 GWhDec 1917Dec 2025 Water
Foxwoods CoGenFoxwoods Resort CasinoMashantucket, CT11 GWhMay 2010Dec 2025 Natural Gas
Beaver Ridge WindCPV Beaver Ridge Wind LLCFreedom, ME11 GWhOct 2008Dec 2025 Wind
Penacook Upper Falls HydroBriar-Hydro AssociatesPenacook, NH11 GWhNov 1986Dec 2025 Water
Bradley Energy CenterAmeresco Select IncWindsor Locks, CT11 GWhOct 2002Dec 2025 Natural Gas
59 Federal Rd(CSG)59FED WHAM8 Solar, LLCCarver, MA11 GWhOct 2021Dec 2024 Solar
BD Solar Hancock LLCBD Solar Hancock LLCAugusta, ME11 GWhMay 2022Dec 2025 Solar
Waterbury 22Green Mountain Power CorpWaterbury, VT11 GWhMay 1953Dec 2025 Water
Gardners FallsCentral Rivers Power MA, LLCBuckland, MA11 GWhDec 1913Dec 2025 Water
White Rock Road LLCWhite Rock Road LLCWesterly, RI11 GWhNov 2022Dec 2025 Solar
Trinity College Fuel CellOnsite Partners, LLCHartford, CT12 GWhJul 2018Dec 2024 Natural Gas
Holiday Hill Community WindGreenbacker Renewable Energy CorporationRussell, MA12 GWhNov 2019Dec 2025 Wind
BoatlockCity of Holyoke Gas and Elec Dept - (MA)Holyoke, MA12 GWhDec 1920Dec 2025 Water
Cellu TissueDunn Paper East Hartford, LLCEast Hartford, CT12 GWhApr 2009May 2026 Natural Gas
International Paper Jay HydroEagle Creek Renewable Energy, LLCJay, ME12 GWhDec 1911Dec 2025 Water
Turners FallsFirstLight Power Resources, Inc. - MAMontague, MA12 GWhDec 1904Dec 2025 Water
Huntington FallsGreen Mountain Power CorpWeybridge, VT12 GWhSep 1988Dec 2025 Water
Future Generation WindRWE Clean EnergyPlymouth, MA12 GWhJul 2016Nov 2025 Wind
Brassua Hydroelectric ProjectBrassua Hydroelectric LPRockwood, ME13 GWhAug 1989Aug 2025 Water
GDIM 2, LLCGDIM 2, LLCNorth Smithfield, RI13 GWhNov 2021Dec 2025 Solar
Oxford PV - BD Solar Oxford LLCBD Solar Oxford LLCOxford, ME13 GWhMay 2021Dec 2025 Solar
NewportGreat Bay Hydro CorpNewport, VT13 GWhDec 1935Dec 2025 Water
Lockwood Hydroelectric FacilityMerimil Ltd PartnershipWaterville, ME13 GWhSep 1985Dec 2025 Water
Tank Farm 4Solar Breakers LLCPortsmouth, RI13 GWhSep 2022Dec 2025 Solar
Nashua PlantNextEra Renewable Fuels, LLCNashua, NH13 GWhMar 1996Dec 2025 Landfill Gas
Greater New Bedford LFG Utiliz. FacilityCommonWealth New Bedford Energy LLCNew Bedford, MA13 GWhSep 2005Dec 2025 Landfill Gas

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