2. Balancing Authorities
  3. ISO New England

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 101 to 200 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Nutting Ridge Solar, LLCREA Investments, LLCOtisfield, ME6 GWhMay 2023Dec 2024 Solar
Kearsarge 100 Sohier RdKearsarge Beverly LLCBeverly, MA5 GWhApr 2023Dec 2024 Solar
Treasure Lane Solar 1AES Clean EnergyManchester, ME7 GWhApr 2023Dec 2024 Solar
LoringAltus Power America Management, LLCLimestone, ME6 GWhApr 2023Dec 2024 Solar
ME Novel Lighthouse - Front St. Solar CSLuminace Sunbeam Development Holdings, LLCSkowhegan, ME4 GWhApr 2023Dec 2024 Solar
SidneyNautilus Solar SolutionsSidney, ME2 GWhApr 2023Dec 2024 Solar
BWC Beech Ridge Brook, LLCNavisun LLCScarborough, ME8 GWhApr 2023Dec 2024 Solar
FryeburgNautilus Solar SolutionsFryeburg, ME9 GWhApr 2023Dec 2024 Solar
GSPP 7024 Fox Rd, LLCGreen Street Power PartnersMarcy, NY8 GWhApr 2023Dec 2024 Solar
Kearsarge Smithfield LLCKearsarge Smithfield LLCBurrillville, RI14 GWhMar 2023Dec 2024 Solar
GSPP NESV, LLCGreen Street Power PartnersAttleboro, MA2 GWhFeb 2023Dec 2024 Solar
OverlookWestbound Solar 3, LLCWestminster, MA7 GWhFeb 2023Dec 2024 Solar
Kearsarge Upper UnionKearsarge Upper Union LLCFranklin, MA2 GWhFeb 2023Dec 2024 Solar
NortonMadison Energy Holdings LLCNorton, MA1 GWhFeb 2023Dec 2024 Solar
MA CS Uxbridge Community SolarMA CS Uxbridge, LLCUxbridge, MA7 GWhJan 2023Dec 2024 Solar
Old Middleboro Road SolarAgilitas Energy, Inc.Rochester, MA11 GWhDec 2022Dec 2024 Solar
Subase Microgrid ProjectConnecticut Mun Elec Engy CoopGroton, CT43 GWhNov 2022Dec 2024 Natural Gas
Naval Sub Base New London Fuel CellGroton Station Fuel Cell, LLCGroton, CT44 GWhNov 2022Dec 2024 Natural Gas
Kearsarge West Shore Solar LLCKearsarge West Shore Solar LLCPortsmouth, RI9 GWhNov 2022Dec 2024 Solar
Water Street SolarAES Distributed EnergyRandolph, ME7 GWhNov 2022Dec 2024 Solar
Huxley SolarHuxley Solar, LLCLudlow, MA10 GWhNov 2022Dec 2024 Solar
Emerald Marshfields, LLCEmerald Marshfield, LLCMarshfield, MA2 GWhNov 2022Dec 2024 Solar
White Rock Road LLCWhite Rock Road LLCWesterly, RI7 GWhNov 2022Dec 2024 Solar
Barefoot SolarMadison Energy Investments LLCFairfiled, ME7 GWhNov 2022Dec 2024 Solar
GD West Greenwich Nooseneck I, LLCGD West Greenwich Nooseneck I, LLCWest Greenwich, RI33 GWhNov 2022Dec 2024 Solar
Town HouseNautilus Solar SolutionsChelsea, ME8 GWhNov 2022Dec 2024 Solar
Freetown MA 1, LLCNavisun LLCFreetown, MA2 GWhNov 2022Dec 2024 Solar
Mainely Solar (Wyman Hill Solar LLC)Wyman Hill Solar, LLCRumford, ME5 GWhNov 2022Dec 2024 Solar
QuarryNautilus Solar SolutionsNorth Berwick, ME10 GWhNov 2022Dec 2024 Solar
Plympton Lake Street SolarREA Investments, LLCPlympton, MA2 GWhNov 2022Dec 2024 Solar
Route 3 China Solar, LLCREA Investments, LLCChina, ME8 GWhNov 2022Dec 2024 Solar
Norton Powerhouse 2Norton Powerhouse 2Worcester, MA29 GWhOct 2022Dec 2024 Natural Gas
Beacon Solar, LLCBeacon Solar, LLCEasthampton, MA9 GWhOct 2022Dec 2024 Solar
Niagara Bottling - BloomfieldWestbound Solar 3, LLCBloomfield, CT5 GWhOct 2022Dec 2024 Solar
SCS Harpswell 012903 Brunswick, LLCArevon Energy, Inc.Brunswick, ME7 GWhOct 2022Dec 2024 Solar
French King Solar LLCFrench King Solar LLCErving, MA8 GWhOct 2022Dec 2024 Solar
North BridgtonNautilus Solar SolutionsOakland, ME8 GWhOct 2022Dec 2024 Solar
ER Sand HillGreenbacker Renewable Energy CorporationCastleton, VT4 GWhOct 2022Dec 2024 Solar
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA7 GWhOct 2022Dec 2024 Solar
North Stonington Solar Center, LLCAdapture Renewables, Inc.North Stonington, CT30 GWhSep 2022Dec 2024 Solar
Syncarpha Millbury Hybrid (CSG)Syncarpha Millbury, LLCMillbury, MA8 GWhSep 2022Dec 2024 Solar
Dynamic Corinth (CSG)MN8 Energy LLCCorinth, ME9 GWhSep 2022Dec 2024 Solar
Silver MapleWEB Silver Maple Wind LLCClifton, ME59 GWhSep 2022Dec 2024 Wind
McAllister LandfillSolar Breakers LLCPortsmouth, RI1 GWhSep 2022Dec 2024 Solar
Tank Farm 4Solar Breakers LLCPortsmouth, RI10 GWhSep 2022Dec 2024 Solar
Webb Road SolarNextGrid Mastic, LLCWaterville, ME6 GWhAug 2022Dec 2024 Solar
Yale New Haven - New LondonBloom EnergyNew London, CT15 GWhAug 2022Dec 2024 Natural Gas
North Kingstown Solar LLCNorth Kingstown Solar LLCNorth Kingstown, RI3 GWhAug 2022Dec 2024 Solar
OaklandNautilus Solar SolutionsOakland, ME9 GWhAug 2022Dec 2024 Solar
700 BinnewaterMadison Energy Investments LLCRosendale, NY2 GWhAug 2022Dec 2024 Solar
Old Frontier Solar IIIOld Frontier Solar III PV, LLCSouth Deerfield, MA4 GWhAug 2022Dec 2024 Solar
Partridge SolarSoCore Energy LLCLanesborough, MA8 GWhAug 2022Dec 2024 Solar
Saddleback SolarSoCore Energy LLCLanesborough, MA4 GWhAug 2022Dec 2024 Solar
Skyline SolarSoCore Energy LLCLanesborough, MA7 GWhAug 2022Dec 2024 Solar
Adams Grove SolarSoCore Energy LLCAdams, MA6 GWhAug 2022Dec 2024 Solar
UMass PV Lot 22Consolidated Edison Development Inc.Amherst, MA3 GWhAug 2022Dec 2024 Solar
ER Bone Hill Solar, LLCGreenbacker Renewable Energy CorporationNorthfield, VT2 GWhAug 2022Dec 2024 Solar
West Haydenville PJ Community SolarAES Distributed EnergyWilliamsburg, MA9 GWhAug 2022Dec 2024 Solar
Brookwood Drive Community SolarAES Distributed EnergyWestport, MA7 GWhJul 2022Dec 2024 Solar
Dynamic Madison (CSG)MN8 Energy LLCMadison, ME10 GWhJul 2022Dec 2024 Solar
Harmony Solar (ME)Maine DG Solar Harmony, LLCHarmony, ME9 GWhJul 2022Dec 2024 Solar
Town of Amherst SolarTown of Amherst Solar, LLCAmherst, MA4 GWhJul 2022Dec 2024 Solar
MA BlackstoneCatalyze Blackstone 83 Federal Street Microgrid, LLCBlackstone, MA4 GWhJun 2022Dec 2024 Solar
Wells (ME)Nautilus Solar SolutionsWells, ME6 GWhJun 2022Dec 2024 Solar
ShakerNautilus Solar SolutionsGray, ME6 GWhJun 2022Dec 2024 Solar
Market Street Gardiner Solar, LLCREA Investments, LLCGardiner, ME6 GWhJun 2022Dec 2024 Solar
Faunce Corner Community SolarFaunce Corner Road Dartmouth Solar 1, LLCDartmouth, MA2 GWhJun 2022Dec 2024 Solar
Main Rd Community SolarAES Distributed EnergyNewstead, NY8 GWhJun 2022Dec 2024 Solar
Winslow PV - BD Solar 2 LLCBD Solar 2 LLCWinslow, ME13 GWhJun 2022Dec 2024 Solar
VenturaVentura Drive Dartmouth Solar 1, LLCDartmouth, MA2 GWhMay 2022Oct 2024 Solar
BD Solar Ellsworth LLCBD Solar Hancock North LLCAugusta, ME6 GWhMay 2022Dec 2024 Solar
BD Solar Hancock LLCBD Solar Hancock LLCAugusta, ME7 GWhMay 2022Dec 2024 Solar
Palmyra PV - BD Solar Palmyra LLCBD Solar Palmyra LLCPalmyra, ME8 GWhMay 2022Dec 2024 Solar
Athens AT01Nautilus Solar SolutionsAthens, ME7 GWhMay 2022Dec 2024 Solar
Washington WS01Nautilus Solar SolutionsWashington, ME6 GWhMay 2022Dec 2024 Solar
Farmingdale FA01Nautilus Solar SolutionsFarmingdale, ME8 GWhMay 2022Dec 2024 Solar
Ryans RanchNautilus Solar SolutionsParis, ME3 GWhMay 2022Dec 2024 Solar
Sanford CGANautilus Solar SolutionsSanford, ME230 MWhMay 2022Dec 2024 Solar
Livermore Falls CSGLivermore Falls CSG, LLCLivermore Falls, ME5 GWhApr 2022Dec 2024 Solar
Mariaville Road Elsworth Solar, LLCREA Investments, LLCEllsworth, ME3 GWhApr 2022Dec 2024 Solar
ER Center Road Solar, LLCGreenbacker Renewable Energy CorporationHardwick, VT3 GWhApr 2022Dec 2024 Solar
Auburn Solar ProjectAgilitas Energy, Inc.Auburn, MA8 GWhApr 2022Dec 2024 Solar
TPE King Solar Holdings1, LLC (CSG)Nautilus Solar SolutionsNorth Smithfield, RI18 GWhMar 2022Dec 2024 Solar
Lisbon Street SolarNextGrid Cliffrose, LLCLewiston, ME3 GWhMar 2022Dec 2024 Solar
BunceLSE Indus LLCNorth Canaan, CT3 GWhMar 2022Dec 2024 Solar
Merrill Road SolarNextGrid Mangrove, LLCLewiston, ME7 GWhFeb 2022Dec 2024 Solar
CVEC Round 4 Brewster Captn Golf CourseFreemans Way Solar Project 2019, LLCBrewster, MA1 GWhFeb 2022Dec 2024 Solar
MonmouthMaine DG Solar Monmouth, LLCMonmouth, ME9 GWhFeb 2022Dec 2024 Solar
AugustaMaine DG Solar Augusta, LLCAugusta, ME5 GWhFeb 2022Dec 2024 Solar
Baldwin (ME)Maine DG Solar Baldwin, LLCWest Baldwin, ME10 GWhFeb 2022Dec 2024 Solar
River RoadNorridgewock River Road Solar, LLCNorridgewock, ME8 GWhFeb 2022Dec 2024 Solar
Southington Solar OneDG Connecticut III, LLCSouthington, CT9 GWhJan 2022Dec 2024 Solar
Syncarpha Tewksbury Hybrid CSGSyncarpha Tewksbury, LLCTewksbury, MA4 GWhJan 2022Dec 2024 Solar
Townline Community SolarAES Distributed EnergyBatavia, NY7 GWhJan 2022Dec 2024 Solar
Redman South Community SolarAES Distributed EnergyBrockport, NY10 GWhJan 2022Dec 2024 Solar
Redman North Community SolarAES Distributed EnergyBrockport, NY2 GWhJan 2022Aug 2024 Solar
Burlington Solar 1DG Connecticut III, LLCBurlington, CT6 GWhJan 2022Dec 2024 Solar
Milo CSGMilo CSG, LLCMilo, ME7 GWhJan 2022Dec 2024 Solar
Augusta Road Bowdoin Solar, LLCREA Investments, LLCBowdoin, ME5 GWhJan 2022Dec 2024 Solar
Church Hill Road Augusta Solar, LLCREA Investments, LLCAugusta, ME6 GWhJan 2022Dec 2024 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#61Alcoa Power Generating, Inc. - Yadkin Division696.7 GWh4
#25Dominion Energy South Carolina, Inc.25.7 TWh87
#13Duke Energy Carolinas112.5 TWh565
#17Duke Energy Progress East64.3 TWh559
#52Duke Energy Progress West4.3 TWh10
#24Louisville Gas and Electric Company and Kentucky Utilities Company34.4 TWh25
#12New York Independent System Operator131.6 TWh1,211
#1PJM Interconnection, LLC870.7 TWh2,465
#30South Carolina Public Service Authority18.9 TWh34
#59Southeastern Power Administration1.5 TWh11

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