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 to 100 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
ActonActon H Road Solar 1, LLCActon, ME5 GWhNov 2021Dec 2025 Solar
Acton Solar LandfillHeliovaas LLCActon, MA475 MWhNov 2013Dec 2025 Solar
Kearsarge AcushnetKearsarge Acushnet LLCAcushnet, MA3 GWhJan 2020Dec 2025 Solar
ApolloSunrise on Wing Ln. LLCAcushnet, MA2 GWhAug 2021Dec 2024 Solar
Acushnet MA 2 (CSG)Navisun LLCAcushnet, MA1 GWhFeb 2024Dec 2025 Solar
Acushnet MA 1Navisun LLCAcushnet, MA1 GWhNov 2023Dec 2025 Solar
Adams Grove SolarSoCore Energy LLCAdams, MA6 GWhAug 2022Dec 2024 Solar
CES Agawam Tuckahoe Solar HybridCES Agawam Tuckahoe Solar LLCAgawam, MA7 GWhNov 2021Dec 2025 Solar
ENGIE 2019 ProjectCo-MA1, LLCENGIE 2019 ProjectCo MA-1, LLCAgawam, MA5 GWhFeb 2021Jul 2025 Solar
Route 57 SolarCitizens Enterprises CorporationAgawam, MA2 GWhFeb 2013Dec 2025 Solar
Agawam SolarCitizens Enterprises CorporationAgawam, MA2 GWhFeb 2012Dec 2025 Solar
Berkshire PowerBerkshire Power Co LLCAgawam, MA810 GWhAug 1999Dec 2025 Natural Gas
Citizens Agawam Landfill SolarCitizens Enterprises CorporationAgawam, MA3 GWhMar 2017Dec 2025 Solar
Knapp West(CSG)AES Distributed EnergyAkron, NY6 GWhNov 2021Dec 2025 Solar
Knapp East (CSG)AES Distributed EnergyAkron, NY7 GWhNov 2021Dec 2025 Solar
RT405 Westerlo Solar 2RT405 Westerlo Solar 2, LLCAlbany, NY8 GWhFeb 2020Dec 2025 Solar
VEC Alburgh ArraySoCore Energy LLCAlburgh, VT1 GWhNov 2016Dec 2025 Solar
China Mill HydroNew Hampshire Hydro AssociatesAllenstown, NH3 GWhJun 1981Dec 2025 Water
Hunt Road SolarCitizens Enterprises CorporationAmesbury, MA7 GWhNov 2016Dec 2025 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2025 Solar
Montague Road SolarMontague Road Solar, LLCAmherst, MA4 GWhNov 2019Dec 2025 Solar
Town of Amherst SolarAgilitas Energy, Inc.Amherst, MA4 GWhJul 2022Dec 2025 Solar
Central Heating PlantUniversity of Massachusetts AmherstAmherst, MA80 GWhSep 2007Dec 2025 Natural Gas : 96.3% Distillate Fuel Oil : 3.7%
Pulpit HillLSE Fornax LLCAmherst, MA7 GWhJun 2019Dec 2025 Solar
UMass PV Lot 22RWE Clean EnergyAmherst, MA3 GWhAug 2022Dec 2025 Solar
Amherst College Co GenAmherst CollegeAmherst, MA8 GWhOct 2006Dec 2025 Natural Gas
Hampshire College HybridTesla Inc.Amherst, MA3 GWhApr 2017Dec 2025 Solar
UMASSRWE Clean EnergyAmherst, MA5 GWhSep 2016Dec 2025 Solar
Hewlett-Packard (HP) - Andover, MATesla Inc.Andover, MA2 GWhMay 2017Dec 2025 Solar
Dairy FarmGreenbacker Renewable Energy CorporationAnson, ME6 GWhSep 2024Dec 2025 Solar
Benz Solar 2Ecos Energy LLCAnsonia, CT1 GWhFeb 2025Dec 2025 Solar
Benz Solar 1Ecos Energy LLCAnsonia, CT1 GWhFeb 2025Dec 2025 Solar
Antrim WindAntrim Wind Energy LLCAntrim, NH76 GWhNov 2019May 2026 Wind
Hopkinton Phase 2Vista Solar, Inc.Ashaway, RI4 GWhAug 2020Dec 2025 Solar
Integrys MA Solar, LLC - Ashburnham SiteIntegrys MA Solar, LLCAshburnham, MA3 GWhNov 2013Dec 2025 Solar
Ashby Duffy CSG Solar FarmLSE Cassiopeia LLCAshby, MA3 GWhNov 2017Dec 2025 Solar
Sheridan Road Solar FarmREA Investments, LLCAshland, ME4 GWhJul 2024Dec 2025 Solar
French Road SolarSoCore Energy LLCAshland, ME3 GWhNov 2024Dec 2025 Solar
Ashland SolarCitizens Enterprises CorporationAshland, MA6 GWhNov 2019Dec 2025 Solar
Centaurus Solar - MALSE Centaurus LLCAshland, MA3 GWhOct 2016Dec 2025 Solar
Athens EnergyAthens Energy, LLCAthens, ME56 GWhSep 2016Dec 2025 Wood/Wood Waste Solids
Athens AT01Nautilus Solar SolutionsAthens, ME7 GWhMay 2022Dec 2025 Solar
Athens RidgeGreenbacker Renewable Energy CorporationAthens, ME5 GWhFeb 2024Dec 2025 Solar
Partridgeville Hybrid CSGPartridgeville Road Solar 1, LLCAthol, MA6 GWhDec 2019Dec 2024 Solar
Adams Farm SolarAltus Power America Management, LLCAthol, MA4 GWhSep 2013Dec 2025 Solar
GSPP NESV, LLCGreen Street Power PartnersAttleboro, MA2 GWhFeb 2023Dec 2025 Solar
Upper BarkerKEI (Maine) Power Management (III) LLCAuburn, ME4 GWhApr 1987Dec 2025 Water
Barker LowerKEI (Maine) Power Management (III) LLCAuburn, ME4 GWhMar 1986Dec 2025 Water
Deer RipsBrookfield White Pine Hydro LLCAuburn, ME51 GWhDec 1902Dec 2025 Water
MMWAC Resource Recovery FacilityMaine Waste to EnergyAuburn, ME8 GWhMay 1992May 2026 Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.8%
Auburn Solar ProjectAgilitas Energy, Inc.Auburn, MA8 GWhApr 2022Dec 2025 Solar
GSPP 4643 Twelve Corners Road, LLCGreen Street Power PartnersAuburn, NY8 GWhMay 2023Dec 2025 Solar
Augusta PV - BD Solar Augusta LLCBD Solar Augusta LLCAugusta, ME9 GWhMay 2021Dec 2025 Solar
Church Hill Road Augusta Solar, LLCREA Investments, LLCAugusta, ME7 GWhJan 2022Dec 2025 Solar
ME Augusta 13 York Farm Rd SolarSOL ME Augusta 13 York Farm, LLCAugusta, ME1 GWhDec 2023Dec 2025 Solar
BD Solar Hancock LLCBD Solar Hancock LLCAugusta, ME11 GWhMay 2022Dec 2025 Solar
AugustaMaine DG Solar Augusta, LLCAugusta, ME5 GWhFeb 2022Dec 2025 Solar
BD Solar Ellsworth LLCBD Solar Hancock North LLCAugusta, ME9 GWhMay 2022Dec 2025 Solar
MEVS DOT 109MEVS DOT, LLCAugusta, ME4 GWhJun 2023Dec 2025 Solar
GSPP Devens, LLCGreen Street Power PartnersAyer, MA3 GWhDec 2018Dec 2025 Solar
Randall Road Solar IIGreen Street Power PartnersBallston Spa, NY3 GWhJun 2024Dec 2025 Solar
Randall Road Solar IGreen Street Power PartnersBallston Spa, NY5 GWhJun 2024Dec 2025 Solar
Fusion Solar Center LLCFusion Solar Centre, L.L.CBaltic, CT38 GWhFeb 2018May 2026 Solar
Eastern Maine Medical CenterEastern Maine Medical CenterBangor, ME28 GWhSep 2006May 2026 Natural Gas
ME CDG 004ME CDG 004 LLCBangor, ME3 GWhNov 2024Dec 2025 Solar
Broadway Solar (CSG)NextGrid Bitterbush, LLCBangor, ME6 GWhAug 2023Dec 2025 Solar
East BarnetGreen Mountain Power CorpBarnet, VT5 GWhAug 1984Dec 2025 Water
McindoesGreat River Hydro, LLCBarnet, VT39 GWhDec 1930Dec 2025 Water
Barre Solar III LLCAES Distributed EnergyBarre, MA1 GWhFeb 2018Dec 2025 Solar
Barre II Solar ProjectKearsarge Solar LLCBarre, MA2 GWhMar 2014Dec 2025 Solar
Spring Hill RoadAES Distributed EnergyBarre, MA243 MWhNov 2015May 2026 Solar
Stetson Road Solar - Barre IKearsarge Solar LLCBarre, MA2 GWhApr 2014Dec 2025 Solar
Barton Solar FarmBarton Solar, LLCBarton, VT2 GWhOct 2014Dec 2025 Solar
Pike Road Solar (NY)RPNY Solar 6, LLCBatavia, NY5 GWhJun 2024Dec 2025 Solar
Townline Community SolarAES Distributed EnergyBatavia, NY7 GWhJan 2022Dec 2025 Solar
3232 Batavia Solar3232 Batavia Solar, LLCBatavia, NY7 GWhFeb 2021Dec 2025 Solar
3104 Batavia Solar3104 Batavia Solar, LLCBatavia, NY5 GWhFeb 2021Dec 2025 Solar
Alexander Road SolarRPNY Solar 7, LLCBatavia, NY3 GWhJun 2024Dec 2025 Solar
Dodge Falls AssociatesDodge Falls Associates LPBath, NH22 GWhNov 1990Dec 2025 Water
Tanglewood Circle Solar 1 LLCTanglewood Circle Solar 1 LLCBecket, MA7 GWhOct 2018Dec 2025 Solar
Belchertown Renewables Community SolarBelchertown Renewables, LLCBelchertown, MA6 GWhFeb 2018Dec 2025 Solar
BelchertownAltus Power America Management, LLCBelchertown, MA1 GWhNov 2015Dec 2025 Solar
ME - EDF - Phase II - BelfastShining Solar Partners, LLCBelfast, ME8 GWhAug 2024Dec 2025 Solar
Perkins Road Belfast Solar, LLCREA Investments, LLCBelfast, ME9 GWhMay 2021Dec 2025 Solar
Maple(CSG)Maple Street Solar 1, LLCBellingham, MA7 GWhOct 2021Dec 2024 Solar
Kearsarge William WayKearsarge William Way LLCBellingham, MA7 GWhNov 2021Dec 2025 Solar
Kearsarge Bellingham PVKearsarge Bellingham LLCBellingham, MA5 GWhNov 2016Dec 2025 Solar
Bellingham Cogeneration FacilityNortheast Energy Associates LPBellingham, MA368 GWhAug 1991Dec 2024 Natural Gas : 99.9%
ANP Bellingham Energy ProjectBellingham Power Generation LLCBellingham, MA3 TWhOct 2002May 2026 Natural Gas
Bellows FallsGreat River Hydro, LLCBellow Falls, VT194 GWhFeb 1928Dec 2025 Water
Battle Creek SolarEcos Energy LLCBennington, VT3 GWhSep 2018Dec 2025 Solar
BWC Unity Pond LLCNavisun LLCBenton, ME7 GWhNov 2023Dec 2025 Solar
Benton Falls AssociatesEssex Hydro Associates LLCBenton, ME10 GWhNov 1987Dec 2025 Water
Padelford SolarRWE Clean EnergyBerkley, MA4 GWhNov 2012Dec 2025 Solar
Berkley East Solar LLCSunEdison LLCBerkley, MA5 GWhJun 2013Dec 2025 Solar
Southern Sky Renew Energy Berkley LLCSouthern Sky Renewable Energy Berkley, LLCBerkley, MA4 GWhMay 2014Dec 2025 Solar
BerkleyCaptona Berkley LLCBerkley, MA4 GWhMar 2017Dec 2025 Solar
Corbin Russwin Phase 3 BerlinPowerflexBerlin, CT2 GWhMar 2018Dec 2025 Solar
Randall Solar Project HybridAES Distributed EnergyBerlin, MA9 GWhJun 2021Dec 2025 Solar
Burgess BioPowerBerlin Station, LLCBerlin, NH390 GWhOct 2013Dec 2025 Wood/Wood Waste Solids

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