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%

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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 201 to 300 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Rolfe Canal HydroBriar-Hydro AssociatesPenacook, NH17 GWhNov 1987Dec 2024 Water
Bridgeport Energy ProjectBridgeport Energy LLCBridgeport, CT2 TWhMay 1998Sep 2025 Natural Gas
Bridgeport Fuel Cell, LLCBridgeport Fuel Cell, LLCBridgeport, CT97 GWhNov 2013Dec 2024 Natural Gas
Bridgewater Power LPBridgewater Power Co LPBridgewater, NH93 GWhJul 1987Dec 2024 Wood/Wood Waste Solids : 99.5%
Brockelman Road Solar 2Brockelman Road Solar 2, LLCLancaster, MA2 GWhJul 2021Dec 2024 Solar
Brook Street Solar 1 CSGBrook Street Solar 1, LLCPlympton, MA3 GWhJul 2017Dec 2024 Solar
Stillwater BBrookfield Black Bear Hydro, LLCOld Town, ME11 GWhAug 2013Dec 2024 Water
Ellsworth Hydro StationBrookfield Black Bear Hydro, LLCEllsworth, ME22 GWhJun 1924Dec 2024 Water
Orono BBrookfield Black Bear Hydro, LLCOrono, ME21 GWhOct 2013Dec 2024 Water
Orono Hydro StationBrookfield Black Bear Hydro, LLCOrono, ME6 GWhDec 2008Dec 2024 Water
Milford Hydro StationBrookfield Black Bear Hydro, LLCMilford, ME37 GWhJun 1941Dec 2024 Water
Medway HydroBrookfield Black Bear Hydro, LLCMedway, ME23 GWhDec 1922Dec 2024 Water
Stillwater Hydro StationBrookfield Black Bear Hydro, LLCStillwater, ME7 GWhDec 1912Dec 2024 Water
West Enfield HydroBrookfield Black Bear Hydro, LLCWest Enfield, ME77 GWhMar 1988Dec 2024 Water
Rumford Falls Hydro FacilityBrookfield Power New EnglandRumford, ME261 GWhDec 1917Dec 2024 Water
SkeltonBrookfield White Pine Hydro LLCDayton, ME58 GWhDec 1947Dec 2024 Water
Weston HydroBrookfield White Pine Hydro LLCSkowhegan, ME57 GWhDec 1919Dec 2024 Water
Deer RipsBrookfield White Pine Hydro LLCAuburn, ME58 GWhDec 1902Dec 2024 Water
West BuxtonBrookfield White Pine Hydro LLCBuxton, ME20 GWhDec 1903Dec 2024 Water
Gulf IslandBrookfield White Pine Hydro LLCLewiston, ME136 GWhDec 1925Dec 2024 Water
Harris HydroBrookfield White Pine Hydro LLCWest Forks, ME170 GWhDec 1953Dec 2024 Water
Williams HydroBrookfield White Pine Hydro LLCSolon, ME80 GWhDec 1938Dec 2024 Water
HiramBrookfield White Pine Hydro LLCHiram, ME40 GWhDec 1916Dec 2024 Water
North GorhamBrookfield White Pine Hydro LLCGorham, ME7 GWhDec 1924Dec 2024 Water
Aziscohos Hydroelectric ProjectBrookfield White Pine Hydro LLCWilson Mills, ME36 GWhMay 1988Dec 2024 Water
ShawmutBrookfield White Pine Hydro LLCShawmut, ME17 GWhDec 1912Dec 2024 Water
Brunswick HydroBrookfield White Pine Hydro LLCBrunswick, ME88 GWhFeb 1982Dec 2024 Water
Wyman HydroBrookfield White Pine Hydro LLCBingham, ME337 GWhDec 1929Dec 2024 Water
Bonny EagleBrookfield White Pine Hydro LLCHollis, ME33 GWhDec 1909Dec 2024 Water
Cataract HydroBrookfield White Pine Hydro LLCSaco, ME28 GWhDec 1936Dec 2024 Water
Charles E MontyBrookfield White Pine Hydro LLCLewiston, ME141 GWhDec 1989Dec 2024 Water
Bucksport Generation LLCBucksport Generation LLCBucksport, ME10 GWhJun 1965Aug 2025 Natural Gas : 97.3% Distillate Fuel Oil : 2.7%
Bullock Road Solar 1Bullock Road Solar 1, LLCFreetown, MA4 GWhJun 2018Dec 2024 Solar
Westport Community Solar GardenBWC Bass River LLCWestport, MA4 GWhJun 2017Dec 2024 Solar
MendonBWC Box Pond LLCMendon, MA4 GWhNov 2017Dec 2024 Solar
Dover (MA)BWC Buckmaster Pond LLCDover, MA2 GWhJul 2017Dec 2024 Solar
Adirondack A+B Community Solar GardenBWC Connecticut River LLCWestport, MA8 GWhNov 2018Dec 2024 Solar
WilbrahamBWC East Brook, LLCWilbraham, MA5 GWhNov 2020Dec 2024 Solar
BWC Gibbs BrookBWC Gibbs Brook, LLCWareham, MA6 GWhNov 2018Dec 2024 Solar
Westport B Community Solar GardenBWC Hamilton Brook LLCWestport, MA7 GWhOct 2018Dec 2024 Solar
BWC Harlow BrookBWC Harlow Brook, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
BWC Origination 18BWC Origination 18, LLCMattapoisett, MA8 GWhNov 2018Dec 2024 Solar
New Bedford (MA) PlymouthBWC Origination 4, LLCPlymouth, MA7 GWhJun 2014Dec 2024 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
BWC Swan Pond River CSGBWC Swan Pond River, LLCRehoboth, MA3 GWhNov 2015Dec 2024 Solar
BWC Wareham RiverBWC Wareham River, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
Lakeville SolarC2 MA Lakeville, LLCLakeville, MA4 GWhNov 2018Dec 2024 Solar
Fore River Generating StationCalpine Fore River Energy Center, LLCNorth Weymouth, MA3 TWhJul 2003Sep 2025 Natural Gas : 95.1% Distillate Fuel Oil : 4.9%
Camelot Wind LLCCamelot Wind LLCPlymouth, MA2 GWhSep 2012Dec 2024 Wind
CanalCanal Generating LLCSandwich, MA352 GWhMay 1968Sep 2025 Natural Gas : 59.2% Residual Fuel Oil : 37.0% Distillate Fuel Oil : 3.8%
A Street 1Captona A Street 1 Johnston LLCJohnston, RI2 GWhNov 2018Dec 2024 Solar
A Street 2Captona A Street 2 Johnston LLCJohnston, RI3 GWhNov 2018Dec 2024 Solar
BerkleyCaptona Berkley LLCBerkley, MA4 GWhMar 2017Dec 2024 Solar
CantonCaptona Canton LLCCanton, MA6 GWhJul 2012Dec 2024 Solar
CarverCaptona Carver LLCNorth Carver, MA2 GWhApr 2017Dec 2024 Solar
ChicopeeCaptona Chicopee LLCChicopee, MA3 GWhMar 2017Dec 2024 Solar
HudsonCaptona Hudson LLCHudson, MA6 GWhApr 2017Dec 2024 Solar
KilvertCaptona Kilvert Street Warwick LLCWarwick, RI8 GWhNov 2018Dec 2024 Solar
Gold Meadow FarmsCaptona Lippitt Ave Cranston LLCCranston, RI28 GWhApr 2019Dec 2024 Solar
North ProvidenceCaptona N.P. LLCNorth Providence, RI3 GWhSep 2018Dec 2024 Solar
Plainfield PikeCaptona Plainfield Pike Johnston LLCJohnston, RI4 GWhMay 2019Dec 2024 Solar
RavenbrookCaptona Ravenbrook LLCCarver, MA7 GWhNov 2013Dec 2024 Solar
Golden SolarCardinal RenewablesSt. Johnsbury, VT4 GWhOct 2021Dec 2024 Solar
Hartford Hospital CogenerationCartier Energy, LLCHartford, CT39 GWhJun 1988Dec 2024 Natural Gas
HSCo CHPCartier Energy, LLCHartford, CT27 GWhSep 2009Dec 2024 Natural Gas
Maine Independence StationCasco Bay Energy Co LLCVeazie, ME3 TWhApr 2000Dec 2024 Natural Gas
MA BlackstoneCatalyze Blackstone 83 Federal Street Microgrid, LLCBlackstone, MA4 GWhJun 2022Dec 2024 Solar
Depot Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
Curtis Hill Solar CSGCCC Solar Holdings LLCCharlton, MA3 GWhSep 2016Dec 2024 Solar
Franklin 1CD US Solar MT 2 LLCWrentham, MA4 GWhOct 2013Dec 2024 Solar
Grafton SolarCD US Solar MT 2 LLCGrafton, MA2 GWhSep 2013Dec 2024 Solar
Franklin 2CD US Solar MT 2 LLCFranklin, MA5 GWhNov 2013Dec 2024 Solar
True NorthCD US Solar MT1 LLCSalisbury, MA6 GWhJul 2012Dec 2024 Solar
ShafferCD US Solar MT3, LLCBillerica, MA7 GWhAug 2014Dec 2024 Solar
CCSU Co-Gen-STBY GenCentral Connecticut State UniversityNew Britain, CT90 MWhSep 1993Dec 2024 Natural Gas
Gardners FallsCentral Rivers Power MA, LLCBuckland, MA11 GWhDec 1913Dec 2024 Water
Indian OrchardCentral Rivers Power MA, LLCIndian Orchard, MA6 GWhDec 1927Dec 2024 Water
Putts BridgeCentral Rivers Power MA, LLCLudlow, MA16 GWhDec 1917Dec 2024 Water
DwightCentral Rivers Power MA, LLCChicopee, MA6 GWhDec 1919Dec 2024 Water
AmoskeagCentral Rivers Power NH, LLCManchester, NH77 GWhJul 1922Dec 2024 Water
JackmanCentral Rivers Power NH, LLCHillsborough, NH9 GWhJan 1926Dec 2024 Water
Ayers IslandCentral Rivers Power NH, LLCBristol, NH40 GWhJul 1925Dec 2024 Water
Eastman FallsCentral Rivers Power NH, LLCFranklin, NH24 GWhJul 1937Dec 2024 Water
Garvins FallsCentral Rivers Power NH, LLCBow, NH31 GWhJul 1925Dec 2024 Water
GorhamCentral Rivers Power NH, LLCGorham, NH11 GWhJul 1917Dec 2024 Water
HooksettCentral Rivers Power NH, LLCHooksett, NH5 GWhJul 1927Dec 2024 Water
Smith (NH)Central Rivers Power NH, LLCBerlin, NH112 GWhJul 1948Dec 2024 Water
CanaanCentral Rivers Power NH, LLCCanaan, VT6 GWhJul 1927Dec 2024 Water
Lawrence Hydroelectric AssociatesCentral Rivers Power US, LLCLawrence, MA65 GWhJun 1981Dec 2024 Water
Sheldon Springs HydroelectricCentral Rivers Power US, LLCSheldon Springs, VT68 GWhJun 1988Dec 2024 Water
CES Agawam Tuckahoe Solar HybridCES Agawam Tuckahoe Solar LLCAgawam, MA7 GWhNov 2021Dec 2024 Solar
Charlemont ACharlemont MA, LLCCharlemont, MA4 GWhAug 2021Nov 2024 Solar
Charlton Solar I CSGCharlton Solar I, LLCCharlton, MA5 GWhNov 2014Dec 2024 Solar
Chittenden County Solar PartnersChittenden County Solar Partners LLCSouth Burlington, VT3 GWhApr 2011Dec 2024 Solar
Twiss Street SolarCitizens Enterprises CorporationWestfield, MA2 GWhDec 2014Dec 2024 Solar
Rehoboth SolarCitizens Enterprises CorporationRehoboth, MA3 GWhNov 2013Dec 2024 Solar
Agawam SolarCitizens Enterprises CorporationAgawam, MA2 GWhFeb 2012Dec 2024 Solar
Falmouth Landfill SolarCitizens Enterprises CorporationFalmouth, MA5 GWhMar 2017Dec 2024 Solar
Citizens Agawam Landfill SolarCitizens Enterprises CorporationAgawam, MA3 GWhMar 2017Dec 2024 Solar
Norton Landfill SolarCitizens Enterprises CorporationNorton, MA2 GWhDec 2016Dec 2024 Solar

Surrounding Balancing Authorities

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