2. Balancing Authorities
  3. ISO New England

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

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List of All ISO New England Power Plants

Displaying Results 1 to 100 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Oak Leaf Solar XVII Community SolarNavisun LLCPittsfield, MA47 MWhNov 2025Dec 2025 Solar
Stanley Black & DeckerOnyx Asset Services GroupEast Longmeadow, MA6 MWhNov 2025Dec 2025 Solar
Oak Leaf Solar XVI Community SolarNavisun LLCPittsfield, MA10 MWhNov 2025Dec 2025 Solar
East WindsorNJR Clean Energy Ventures CorporationEast Windsor, CT869 MWhAug 2025Dec 2025 Solar
Glastonbury Solar OneNJR Clean Energy Ventures CorporationGlastonbury, CT821 MWhAug 2025Dec 2025 Solar
East Windsor Solar TwoEast Windsor Solar Two, LLCEast Windsor, CT749 MWhAug 2025Dec 2025 Solar
Pomham Islander (CSG)Nautilus Solar SolutionsNorth Smithfield, RI1 GWhJun 2025Dec 2025 Solar
CTGB Maloney and WebsterTotalEnergies Renewables USA LLCCheshire, CT3 GWhJun 2025Dec 2025 Solar
NL MA - CopicutStandard SolarFreetown, MA6 GWhMay 2025Dec 2025 Solar
MoscowGreenbacker Renewable Energy CorporationMoscow, ME112 GWhMay 2025May 2026 Wind
UplandGreenbacker Renewable Energy CorporationPlympton, MA3 GWhMay 2025Dec 2025 Solar
Ring RoadGreenbacker Renewable Energy CorporationPlympton, MA2 GWhMay 2025Dec 2025 Solar
Pine Hill WestportGreenbacker Renewable Energy CorporationWestport, MA3 GWhMay 2025Dec 2025 Solar
Dudley Landfill Solar LLCDudley Landfill Solar LLCDudley, MA1 GWhApr 2025Dec 2025 Solar
Southwick Solar, LLC Community SolarNavisun LLCSouthwick, MA4 GWhApr 2025Dec 2025 Solar
GD Richmond Beaver River I LLCGD Richmond Beaver River I LLCRichmond, RI6 GWhMar 2025Dec 2025 Solar
Benz Solar 2Ecos Energy LLCAnsonia, CT1 GWhFeb 2025Dec 2025 Solar
Benz Solar 1Ecos Energy LLCAnsonia, CT1 GWhFeb 2025Dec 2025 Solar
Gravel Pit Solar, LLCGravel Pit Solar, LLCEast Windsor, CT187 GWhJan 2025May 2026 Solar
SR LitchfieldSR Litchfield, LLCLitchfield, CT26 GWhJan 2025Dec 2025 Solar
Downeast WindDowneast Wind, LLCColumbia, ME364 GWhDec 2024May 2026 Wind
Amazon BDL4Telyon AMZ Windsor LLCWindsor, CT4 GWhDec 2024Dec 2025 Solar
Exeter Mail CSGNautilus Solar SolutionsExeter, RI9 GWhDec 2024Dec 2025 Solar
French Road SolarSoCore Energy LLCAshland, ME3 GWhNov 2024Dec 2025 Solar
376 NashMadison Energy Investments LLCNew Bedford, MA17 MWhNov 2024Dec 2025 Solar
Our KatahdinGreenbacker Renewable Energy CorporationMillenocket, ME6 GWhNov 2024Dec 2025 Solar
ISM Solar Shepherd AcresNavisun LLCSouth Paris, ME4 GWhNov 2024Dec 2025 Solar
Exeter Renewables 1AES Clean EnergyExeter, RI16 GWhNov 2024Dec 2025 Solar
BRNG Nicolin (CSG)Nautilus Solar SolutionsEllsworth, ME6 GWhNov 2024Dec 2025 Solar
Mechanic Street (CSG)Nautilus Solar SolutionsPresque Island, ME4 GWhNov 2024Dec 2025 Solar
BNRG Masardis (CSG)Nautilus Solar SolutionsMasardis, ME4 GWhNov 2024Dec 2025 Solar
Missile Street (CSG)Nautilus Solar SolutionsPresque Island, ME4 GWhNov 2024Dec 2025 Solar
Lebanon CSG LLCDimension Energy LLCLebanon, ME6 GWhNov 2024Dec 2025 Solar
ME Fort Fairfield Solar PlantME Fort Fairfield LLCPresque Isle, ME4 GWhNov 2024Dec 2025 Solar
SP-339 Mechanic FallsMadison Energy Investments LLCMechanic Falls, ME1 GWhNov 2024Dec 2025 Solar
Norfolk Landfill Solar ProjectNJR Clean Energy Ventures CorporationNorfolk, CT6 GWhNov 2024Dec 2025 Solar
20 BedfordMadison Energy Investments LLCBridgewater, MA146 MWhNov 2024Dec 2025 Solar
Walden Solar Maine VWalden Solar Maine V LLCLeeds, ME36 GWhNov 2024Dec 2025 Solar
White Brook Renewables PVWhite Brook Renewables LLCWest Greenwich, RI7 GWhNov 2024Dec 2025 Solar
Caribou SolarSoCore Energy LLCCaribou, ME6 GWhNov 2024Dec 2025 Solar
GSPP 409 Ferris RoadGreen Street Power PartnersLawrence, NY8 GWhNov 2024Dec 2025 Solar
GSPP 641 Ferris Road WestGreen Street Power PartnersLawrence, NY4 GWhNov 2024Dec 2025 Solar
Valley Sun SolarValley Sun Solar LLCGrand Isle, ME3 GWhNov 2024Dec 2025 Solar
SP-231 CliftonMadison Energy Investments LLCClifton, ME5 GWhNov 2024Dec 2025 Solar
Houlton Road Solar Farm (CSG)REA Investments, LLCFort Fairfield, ME2 GWhNov 2024Dec 2025 Solar
ME CDG 005ME CDG 005 LLCVeazie, ME3 GWhNov 2024Dec 2025 Solar
Raffia Road Solar ProjectNJR Clean Energy Ventures CorporationEnfield, CT7 GWhNov 2024Dec 2025 Solar
Exeter Ten (CSG)Nautilus Solar SolutionsExeter, RI5 GWhNov 2024Dec 2025 Solar
CTGB OsbornTotalEnergies Renewables USA LLCSomers, CT3 GWhNov 2024Dec 2025 Solar
Berwick Hubbard Solar 1Berwick Hubbard Solar 1, LLCBerwick, ME6 GWhNov 2024Dec 2025 Solar
Roosevelt TrailMadison Energy Investments LLCWindham, ME1 GWhNov 2024Dec 2025 Solar
BWC Jimmie PondNavisun LLCHampden, ME3 GWhNov 2024Dec 2025 Solar
Madawaska SolarSoCore Energy LLCSaint David, ME4 GWhNov 2024Dec 2025 Solar
ME CDG 004ME CDG 004 LLCBangor, ME3 GWhNov 2024Dec 2025 Solar
Hampden Landfill Solar LLCHampden Landfill Solar LLCHampden, MA2 GWhNov 2024Dec 2025 Solar
MEVS WaterhouseMEVS LLCScarborogh, ME3 GWhNov 2024Dec 2025 Solar
Limestone CSG 1 LLCLimestone CSG 1 LLCLimestone, ME6 GWhNov 2024Dec 2025 Solar
Lebanon West Lebanon Solar 1Lebanon West Lebanon Solar 1, LLCLebanon, ME3 GWhNov 2024Dec 2025 Solar
Dynamic - Gray SolarAltus Power America Management, LLCGray, ME5 GWhNov 2024Dec 2025 Solar
Cenergy - PulkBAP Grounded 2 LLCSabattus, ME8 GWhNov 2024Dec 2025 Solar
Dynamic - Glenburn Broadway One (CSG)Altus Power America Management, LLCGlenburn, ME6 GWhOct 2024Dec 2025 Solar
BNRG North Anson (CSG)Nautilus Solar SolutionsNorth Anson, ME3 GWhOct 2024Dec 2025 Solar
BNRG Norridgewock (CSG)Nautilus Solar SolutionsNorridgewock, ME3 GWhOct 2024Dec 2025 Solar
Dynamic - Wales Leeds Junction Road (CSG)Altus Power America Management, LLCWales, ME7 GWhOct 2024Dec 2025 Solar
Dynamic - Norridgewock Martin Stream (CSG)Nautilus Solar SolutionsNorridgewock, ME9 GWhOct 2024Dec 2025 Solar
FedEx MiddletownVCP Realty, LLCMiddletown, CT2 GWhOct 2024Dec 2025 Solar
MD - EDFR - Phase II - LewistonHayworth Solar Partners, LLCLewiston, ME8 GWhOct 2024Dec 2025 Solar
Limestone CSG 2 LLCLimestone CSG 2 LLCLimestone, ME5 GWhOct 2024Dec 2025 Solar
Dynamic - Leeds Solar (CSG)Nautilus Solar SolutionsLeeds, ME9 GWhOct 2024Dec 2025 Solar
Three Rivers Solar LLCASD Three Rivers Road MA Solar LLCWilbraham, MA154 MWhOct 2024Dec 2024 Solar
Mars HillGreenbacker Renewable Energy CorporationMars Hill, ME4 GWhOct 2024Dec 2025 Solar
Swaggertown Solar IGreen Street Power PartnersGlenville, NY4 GWhOct 2024Dec 2025 Solar
Dairy FarmGreenbacker Renewable Energy CorporationAnson, ME6 GWhSep 2024Dec 2025 Solar
Swaggertown Solar IIGreen Street Power PartnersGlenville, NY7 GWhAug 2024Dec 2025 Solar
Dynamic - Enfield Hammett Road CSGAltus Power America Management, LLCEnfield, ME9 GWhAug 2024Dec 2025 Solar
ME Novel Lighthouse - Penobscot CSGLuminace Sunbeam Development Holdings, LLCPatten, ME4 GWhAug 2024Dec 2025 Solar
Dynamic - Exeter Solar CSGAltus Power America Management, LLCExeter, ME6 GWhAug 2024Dec 2025 Solar
ME - EDF - Phase II - BelfastShining Solar Partners, LLCBelfast, ME8 GWhAug 2024Dec 2025 Solar
Sheridan Road Solar FarmREA Investments, LLCAshland, ME4 GWhJul 2024Dec 2025 Solar
ME - Novel (Lighthouse Ph I) Mars HillMars Hill Road Solar Farm, LLCWestfield, ME4 GWhJul 2024Dec 2025 Solar
Brewer (CSG)Nautilus Solar SolutionsBrewer, ME7 GWhJul 2024Dec 2025 Solar
Pike Road Solar (NY)RPNY Solar 6, LLCBatavia, NY5 GWhJun 2024Dec 2025 Solar
Three Corners SolarThree Corners Solar, LLCUnity, ME197 GWhJun 2024May 2026 Solar
Alexander Road SolarRPNY Solar 7, LLCBatavia, NY3 GWhJun 2024Dec 2025 Solar
Randall Road Solar IGreen Street Power PartnersBallston Spa, NY5 GWhJun 2024Dec 2025 Solar
Randall Road Solar IIGreen Street Power PartnersBallston Spa, NY3 GWhJun 2024Dec 2025 Solar
MMWEC Simple Cycle Gas TurbineMassachusetts Mun Wholes Electric CoPeabody, MA8 GWhJun 2024Dec 2025 Distillate Fuel Oil : 69.0% Natural Gas : 31.0%
Clemons Road SolarRPNY Solar 4, LLCMinoa, NY4 GWhJun 2024Dec 2025 Solar
15 Glen Harris RDME Sandy River LLCNew Sharon, ME5 GWhMay 2024Dec 2025 Solar
MA-Dighton-AMA CS Dighton, LLCDighton, MA6 GWhMay 2024Dec 2025 Solar
TPE RI WA2 SolarTPE RI WA2, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
Penobscot Narrows Solar IPenobscot Narrows Solar I LLCBucksport, ME7 GWhMay 2024Dec 2025 Solar
TPE RI WA1 SolarTPE RI WA1, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
Canton GLC Solar, LLCREA Investments, LLCCanton, ME5 GWhMar 2024Dec 2025 Solar
Enfield Solar OneEnfield Solar One, LLCHartford, CT8 GWhMar 2024Dec 2025 Solar
Westport Stone & Sand Solar (CSG)AES Clean EnergyWestport, MA7 GWhFeb 2024Dec 2025 Solar
Acushnet MA 2 (CSG)Navisun LLCAcushnet, MA1 GWhFeb 2024Dec 2025 Solar
Skyway Avenue Solar FarmREA Investments, LLCFrenchville, ME3 GWhFeb 2024Dec 2025 Solar
Athens RidgeGreenbacker Renewable Energy CorporationAthens, ME5 GWhFeb 2024Dec 2025 Solar
North Haven Solar OneNorth Haven Solar One, LLCNorth Haven, CT3 GWhFeb 2024Dec 2025 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#61Alcoa Power Generating, Inc. - Yadkin Division442.5 GWh4
#24Dominion Energy South Carolina, Inc.25.3 TWh83
#13Duke Energy Carolinas112.6 TWh577
#17Duke Energy Progress East64.5 TWh565
#50Duke Energy Progress West4.5 TWh15
#23Louisville Gas and Electric Company and Kentucky Utilities Company33.9 TWh25
#12New York Independent System Operator134.3 TWh1,299
#1PJM Interconnection, LLC882.8 TWh2,652
#31South Carolina Public Service Authority18.5 TWh35
#59Southeastern Power Administration1.3 TWh11

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