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 Dec 2025
Annual Generation 105.8 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 | 25.9% Water | 5% Other Fuel | 4.4% Wind | 4% Solar | 1.5% Coal | 0.3%

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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 601 to 700 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Town of Amherst SolarTown of Amherst Solar, LLCAmherst, MA4 GWhJul 2022Dec 2024 Solar
Shrewsbury SolarConsolidated Edison Development Inc.Shrewsbury, MA4 GWhSep 2012Dec 2024 Solar
BerkleyCaptona Berkley LLCBerkley, MA4 GWhMar 2017Dec 2024 Solar
Norton LLCGreenbacker Renewable Energy CorporationNorton, MA4 GWhAug 2020Apr 2024 Solar
CMEEC - Norwich Stott St Solar HybridTesla Inc.Norwich, CT4 GWhNov 2016Dec 2024 Solar
Kearsarge HaverhillKearsarge Haverhill LLCHaverhill, MA4 GWhFeb 2021Dec 2024 Solar
651 Chase Solar NGNuGen Capital ManagementLunenburg, MA4 GWhMay 2014Dec 2024 Solar
Tyngsborough SolarCitizens Enterprises CorporationTyngsborough, MA4 GWhDec 2016Dec 2024 Solar
Westport (MA)Sunrise on Drift Rd. LLCWestport, MA4 GWhSep 2020Dec 2024 Solar
Ajax Solar, LLC (MA)Green Street Power PartnersWest Bridgewater, MA4 GWhNov 2017Dec 2024 Solar
Newfound HydroelectricEagle Creek Renewable Energy, LLCBristol, NH4 GWhNov 1983Dec 2024 Water
Old Frontier Solar IIIOld Frontier Solar III PV, LLCSouth Deerfield, MA4 GWhAug 2022Dec 2024 Solar
North Nobleboro Road, LLCREA Investments, LLCWaldoboro, ME4 GWhMay 2021Dec 2024 Solar
ISM Solar Cranston CSGNautilus Solar SolutionsCranston, RI4 GWhNov 2020Dec 2024 Solar
Mt. Tom Solar Project HybridMt. Tom Solar, LLCHolyoke, MA4 GWhDec 2016Dec 2024 Solar
Gardner - Otter River RoadOtter River Road Solar LLCGardner, MA4 GWhSep 2019Dec 2024 Solar
Nautilus Goat Island Solar LLC (CSG)Nautilus Solar SolutionsBurrillville, RI4 GWhJul 2019Dec 2024 Solar
Franklin 1CD US Solar MT 2 LLCWrentham, MA4 GWhOct 2013Dec 2024 Solar
196 Tremont St(CSG)196TRE WHAM8 Solar, LLCCarver, MA4 GWhOct 2021Dec 2024 Solar
OxfordCVI CleanCapital Solar 6Oxford, MA4 GWhJun 2014Dec 2024 Solar
North BrookfieldMass Solar, LLCNorth Brookfield, MA4 GWhMay 2014Dec 2024 Solar
Syncarpha Tewksbury Hybrid CSGSyncarpha Tewksbury, LLCTewksbury, MA4 GWhJan 2022Dec 2024 Solar
Saratoga Solar IV, LLCGreen Street Power PartnersRock City Falls, NY4 GWhSep 2023Dec 2024 Solar
GSPP 126 Little Bow Rd S, LLCGreen Street Power PartnersGouverneur, NY4 GWhNov 2023Dec 2024 Solar
Rounseville SolarRounseville Solar 1, LLCRochester, MA4 GWhJan 2020Dec 2024 Solar
Millbury SolarEvergreen Wind, LLCMillbury, MA4 GWhMar 2014Dec 2024 Solar
Iron Horse Solar I CSGIron Horse Solar 1, LLCNorth Billerica, MA4 GWhNov 2016Dec 2024 Solar
Lower MiddleburyGreen Mountain Power CorpMiddlebury Lower, VT4 GWhJul 1917Dec 2024 Water
Notus Wind 1Notus Clean Energy LLCE. Falmouth, MA4 GWhJun 2010Dec 2024 Wind
WED Portsmouth One, LLCGreenbacker Renewable Energy CorporationPortsmouth, RI4 GWhJul 2016Dec 2024 Wind
Benton Falls AssociatesEssex Hydro Associates LLCBenton, ME4 GWhNov 1987Dec 2024 Water
Meadow SolarAltus Power America Management, LLCBoston, MA4 GWhNov 2016Dec 2024 Solar
DudleyAMP MA DudleyDudley, MA4 GWhJun 2018Dec 2024 Solar
Mt Wachusett Community CollegeMt Wachusett Community CollegeGardner, MA4 GWhFeb 2011Sep 2025 Wind
GardinerKEI (Maine) Power Management (III) LLCGardiner, ME4 GWhJun 1985Dec 2024 Water
Texon Hydroelectric ProjectHitchcock Hydro, LLCRussell, MA4 GWhDec 1981Dec 2024 Water
Bellingham PVTerraform ArcadiaDouglas, MA4 GWhSep 2013Dec 2024 Solar
GenConn Devon LLCGenConn Devon LLCMilford, CT4 GWhMay 2010Dec 2024 Kerosene : 90.3% Natural Gas : 9.7%
Clark UniversityClark UniversityWorcester, MA4 GWhDec 2012Dec 2024 Natural Gas
Cedarville CSGAltus Power America Management, LLCPlymouth, MA4 GWhJun 2017Dec 2024 Solar
Peterson Road SolarPeterson Road Solar, LLCPalmer, MA4 GWhMar 2017Dec 2024 Solar
Southbridge PVTerraform ArcadiaSouthbridge, MA4 GWhDec 2013Dec 2024 Solar
WED GW Solar, LLCCleanCapital HoldingsLincoln, RI4 GWhDec 2018Dec 2024 Solar
Smithfield Solar Farm, LLCSmithfield Solar FarmSmithfield, RI4 GWhJun 2020Dec 2024 Solar
Cabot HolyokeCity of Holyoke Gas and Electric Dept.Holyoke, MA4 GWhDec 1892Dec 2024 Water
Groveland SolarConsolidated Edison Development Inc.Groveland, MA4 GWhNov 2012Dec 2024 Solar
Grafton PVMN8 Energy LLCGrafton, MA4 GWhSep 2016Dec 2024 Solar
Kearsarge Southwick LLCKearsarge Solar LLCSouthwick, MA4 GWhFeb 2015Dec 2024 Solar
Fairhaven MA 2Consolidated Edison Development Inc.Fairhaven, MA4 GWhAug 2021Dec 2024 Solar
CoreSite - SomervilleBloom EnergySomerville, MA5 GWhAug 2020Dec 2024 Natural Gas
Niagara Bottling - BloomfieldWestbound Solar 3, LLCBloomfield, CT5 GWhOct 2022Dec 2024 Solar
SandwichLSE Ophiuchus LLCSandwich, MA5 GWhJun 2023Dec 2024 Solar
ActonActon H Road Solar 1, LLCActon, ME5 GWhNov 2021Dec 2024 Solar
Silver Lake (VT)Green Mountain Power CorpSalisbury, VT5 GWhJan 1917Dec 2024 Water
DG Dighton LLC CSGDG Dighton, LLCDighton, MA5 GWhJun 2017Dec 2024 Solar
Chicopee SolarCitizens Enterprises CorporationChicopee, MA5 GWhNov 2013Dec 2024 Solar
Cape Cod Air Force Station - 6 SWSUS Air ForceSagamore, MA5 GWhDec 2013Sep 2025 Wind
Syncarpha Leicester Hybrid CSGSyncarpha Leicester, LLCLeicester, MA5 GWhMay 2021Dec 2024 Solar
Westford Solar ParkMN8 Energy LLCWestford, MA5 GWhMar 2012Dec 2024 Solar
Upper BarkerKEI (Maine) Power Management (III) LLCAuburn, ME5 GWhApr 1987Dec 2024 Water
Roger Williams - Melville at PortsmouthLuminace Solar Rhode Island, LLCPortsmouth, RI5 GWhFeb 2021Dec 2024 Solar
580 River SolarNuGen Capital ManagementWinchendon, MA5 GWhAug 2018Dec 2024 Solar
Boutillier Solar, LLC CSG38 Degrees North, LLCLeicester, MA5 GWhMar 2018Dec 2024 Solar
AugustaMaine DG Solar Augusta, LLCAugusta, ME5 GWhFeb 2022Dec 2024 Solar
Berkley East Solar LLCSunEdison LLCBerkley, MA5 GWhJun 2013Dec 2024 Solar
1639 RT 29 Solar 21639 RT 29 Solar 2, LLCGloversville, NY5 GWhNov 2020Dec 2024 Solar
WED Kingstown Solar I - East ArrayCleanCapital HoldingsWashington, RI5 GWhNov 2017Dec 2024 Solar
TempletonSunny Templeton, LLCTempleton, MA5 GWhNov 2014Dec 2024 Solar
New Milford Gas RecoveryWM Renewable Energy LLCNew Milford, CT5 GWhApr 2008Dec 2024 Landfill Gas
West A&B Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA5 GWhNov 2020Dec 2024 Solar
Montague Road SolarMontague Road Solar, LLCAmherst, MA5 GWhNov 2019Dec 2024 Solar
MoretownNextEra Renewable Fuels, LLCWaterbury, VT5 GWhNov 2008Dec 2023 Landfill Gas
Mainely Solar (Wyman Hill Solar LLC)Wyman Hill Solar, LLCRumford, ME5 GWhNov 2022Dec 2024 Solar
Kearsarge 100 Sohier RdKearsarge Beverly LLCBeverly, MA5 GWhApr 2023Dec 2024 Solar
Kearsarge Bellingham PVKearsarge Bellingham LLCBellingham, MA5 GWhNov 2016Dec 2024 Solar
Waters RiverCity of Peabody - (MA)Peabody, MA5 GWhNov 1971Nov 2024 Natural Gas : 78.8% Distillate Fuel Oil : 21.2%
CED Chicopee SolarConsolidated Edison Development Inc.Chicopee, MA5 GWhJun 2017Dec 2024 Solar
ZPD-PT Solar Project 2017-006 LLC HybridAES Distributed EnergyWarren, MA5 GWhJun 2021Dec 2024 Solar
Syncarpha Northampton Hybrid CSGSyncarpha Northampton, LLCNorthampton, MA5 GWhNov 2020Dec 2024 Solar
Bristol Solar One, LLCDG Connecticut III, LLCBristol, CT5 GWhApr 2021Dec 2024 Solar
DevensAltus Power America Management, LLCShirley, MA5 GWhMay 2014Dec 2024 Solar
SELCO Community SolarMassachusetts Mun Wholes Electric CoShrewsbury, MA5 GWhMay 2018Dec 2024 Solar
East Acres Solar NG, LLCNuGen Capital ManagementPittsfield, MA5 GWhMar 2017Dec 2024 Solar
MorrisvilleVillage of Morrisville - (VT)Morrisville, VT5 GWhJul 1924Dec 2024 Water
Town of Burrillville Solar CSGStandard SolarBurrillville, RI5 GWhSep 2020Dec 2024 Solar
Ware Palmer Road Solar LLC CSGWare Palmer Road Solar LLCWare, MA5 GWhMay 2021Dec 2024 Solar
Pleasant StreetGreenbacker Renewable Energy CorporationWilton, ME5 GWhNov 2023Dec 2024 Solar
WED Coventry Seven, LLCWED Coventry Seven, LLCCoventry, RI5 GWhNov 2020Dec 2024 Solar
Falmouth Landfill SolarCitizens Enterprises CorporationFalmouth, MA5 GWhMar 2017Dec 2024 Solar
Morin Solar 2013 LLCCVI CleanCapital Solar 6Warren, MA5 GWhNov 2013Dec 2024 Solar
CMEEC - Polaris Park Solar HybridTesla Inc.Gordon, CT5 GWhJul 2017Dec 2024 Solar
Tolland Solar NG LLCNuGen Capital ManagementTolland, MA5 GWhSep 2014Dec 2024 Solar
Russell (MA)Sunrise on Blandford Rd. LLCRussell, MA5 GWhOct 2020Dec 2024 Solar
Stamford Health Tully Health CenterStamford Health Tully Health CenterStamford, CT5 GWhApr 2002Dec 2024 Natural Gas
BWC Maces Pond LLCNavisun LLCRockport, ME5 GWhNov 2021Dec 2024 Solar
BWC Wading River One, Two, Three CSGAmeresco BWC Wading River LLCMendon, MA5 GWhOct 2017Dec 2024 Solar
Niagara Depot SolarNiagara Depot Solar, LLCNiagara Falls, NY5 GWhJun 2023Dec 2024 Solar
Elm StreetISM Solar Dighton 3, LLCDighton, MA5 GWhNov 2020Dec 2024 Solar
3ColtonMadison Energy Holdings LLCMillbury, MA5 GWhJun 2023Dec 2024 Solar
TES RowtierSkyHigh 2 SolarWestminster, MA5 GWhMar 2021Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator188.2 TWh2,075
#9Tennessee Valley Authority161.7 TWh204
#10Florida Power & Light Co.149.1 TWh187
#12New York Independent System Operator131.9 TWh1,211
#13Duke Energy Carolinas112.3 TWh565
#15ISO New England105.8 TWh1,577
#16Bonneville Power Administration80.6 TWh163
#17Duke Energy Progress East64.4 TWh559
#18PacifiCorp East61.1 TWh216
#19Salt River Project Agricultural Improvement and Power District59.9 TWh48