ISO New England

Balancing Authority Summary Information

ISO New England is ranked #14 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 Jul 2025
Annual Generation 103.8 TWh
Power Plants1,561
Utilities814
Ranked #14 out of 65 in terms of net annual generation
Ranked #11 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 57.2% Nuclear | 24.5% Water | 6.2% Other Fuel | 4.5% Wind | 3.7% Solar | 1.4% 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 301 to 400 of 1,270
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Southwick Solar PVNSTAR Electric CompanySouthwick, MA8 GWhDec 2018Apr 2025 Solar
Greenfield Solar PVNSTAR Electric CompanyGreenfield, MA3 GWhDec 2018Dec 2024 Solar
Hinsdale Solar PVNSTAR Electric CompanyHinsdale, MA3 GWhDec 2018Dec 2024 Solar
Savoy Solar PVNSTAR Electric CompanySavoy, MA3 GWhJan 2019Dec 2024 Solar
Renew Canal 1 CSG LLCNRG Renew Canal 1 LLCSandwich, MA2 GWhMay 2017Dec 2024 Solar
Notus Wind 1Notus Clean Energy LLCE. Falmouth, MA4 GWhJun 2010Dec 2024 Wind
Norton Powerhouse 2Norton Powerhouse 2Worcester, MA29 GWhOct 2022Dec 2024 Natural Gas
Bellingham Cogeneration FacilityNortheast Energy Associates LPBellingham, MA368 GWhAug 1991Dec 2024 Natural Gas : 99.9%
North Kingstown Solar LLCNorth Kingstown Solar LLCNorth Kingstown, RI3 GWhAug 2022Dec 2024 Solar
North Haven Solar OneNorth Haven Solar One, LLCNorth Haven, CT3 GWhFeb 2024Dec 2024 Solar
River RoadNorridgewock River Road Solar, LLCNorridgewock, ME8 GWhFeb 2022Dec 2024 Solar
Howard Lane SolarNJR Clean Energy Ventures CorporationGlocester, RI4 GWhAug 2023Nov 2024 Solar
Norfolk Landfill Solar ProjectNJR Clean Energy Ventures CorporationNorfolk, CT494 MWhNov 2024Dec 2024 Solar
Raffia Road Solar ProjectNJR Clean Energy Ventures CorporationEnfield, CT11 MWhNov 2024Dec 2024 Solar
CP East Hampton I & II SolarNJR Clean Energy Ventures CorporationEast Hampton, CT3 GWhJan 2021Dec 2024 Solar
Niagara Depot SolarNiagara Depot Solar, LLCNiagara Falls, NY5 GWhJun 2023Dec 2024 Solar
Lewiston Junction Road SolarNextGrid Peppertree, LLCPoland, ME7 GWhDec 2021Dec 2024 Solar
Webb Road SolarNextGrid Mastic, LLCWaterville, ME6 GWhAug 2022Dec 2024 Solar
Merrill Road SolarNextGrid Mangrove, LLCLewiston, ME7 GWhFeb 2022Dec 2024 Solar
Corkwood Solar (CSG)NextGrid Corkwood, LLCHowland, ME5 GWhOct 2023Dec 2024 Solar
Lisbon Street SolarNextGrid Cliffrose, LLCLewiston, ME3 GWhMar 2022Dec 2024 Solar
Broadway Solar (CSG)NextGrid Bitterbush, LLCBangor, ME5 GWhAug 2023Dec 2024 Solar
Granite Reliable PowerNexteraEnergyDummer, NH197 GWhJan 2012Apr 2025 Wind
Nashua PlantNextEra Renewable Fuels, LLCNashua, NH13 GWhMar 1996Dec 2024 Landfill Gas
MoretownNextEra Renewable Fuels, LLCWaterbury, VT5 GWhNov 2008Dec 2023 Landfill Gas
SeabrookNextEra Energy Seabrook LLCSeabrook, NH10 TWhJul 1990Apr 2025 Nuclear
Upper Blackstone (MA) Treasure ValleyNexamp Treasure Valley Solar, LLCRutland, MA7 GWhJun 2014Dec 2024 Solar
Nexamp Peak CSGNexamp Peak, LLCHancock, MA2 GWhNov 2015Dec 2024 Solar
Newton Rumford LandfillNewton Municipal Solar LLC - RumfordNewton, MA3 GWhJun 2017Dec 2024 Solar
China Mill HydroNew Hampshire Hydro AssociatesAllenstown, NH3 GWhJun 1981Dec 2024 Water
CCSU Fuel Cell ProjectNew Britain Renewable Energy, LLCNew Britain, CT10 GWhMar 2012Dec 2023 Natural Gas
NE Renewable Whitefield, LLCNE Renewable Whitefield, LLCWhitefield, NH54 GWhFeb 1988Dec 2024 Wood/Wood Waste Solids
NE Renewable Springfield, LLCNE Renewable Springfield, LLCSpringfield, NH33 GWhNov 1987Dec 2024 Wood/Wood Waste Solids
NE Renewable Fitchburg, LLCNE Renewable Fitchburg, LLCWestminster, MA36 GWhJul 1992Dec 2023 Wood/Wood Waste Solids : 97.6% Natural Gas : 2.4%
Rumford CogenerationND Paper, Inc.Rumford, ME437 GWhDec 1989Apr 2025 Black Liquor : 53.6% Tire-derived Fuels : 22.6% Wood/Wood Waste Solids : 12.3% Bituminous Coal : 7.3% Residual Fuel Oil : 3.1% Sludge Waste : 1.0%
BWC Maces Pond LLCNavisun LLCRockport, ME4 GWhNov 2021Dec 2023 Solar
Acushnet MA 1Navisun LLCAcushnet, MA59 MWhNov 2023Dec 2023 Solar
Westport MA 2 Community SolarNavisun LLCWestport, MA2 GWhAug 2016Dec 2023 Solar
Carver MA 1 Community SolarNavisun LLCCarver, MA3 GWhAug 2016Dec 2023 Solar
Westport MA 1 Community SolarNavisun LLCWestport, MA2 GWhAug 2016Dec 2023 Solar
Wareham MA 1 Community SolarNavisun LLCWareham, MA3 GWhAug 2016Dec 2023 Solar
Seaboard Sheffield, LLCNavisun LLCSheffield, MA3 GWhMar 2021Dec 2023 Solar
Douglas Pike Solar, LLCNavisun LLCBurrillville, RI2 GWhMay 2023Dec 2023 Solar
BWC Rams Horn Channel LLCNavisun LLCBeverly, MA6 GWhNov 2020Dec 2023 Solar
BWC Beech Ridge Brook, LLCNavisun LLCScarborough, ME5 GWhApr 2023Dec 2023 Solar
Seaboard Oxford, LLCNavisun LLCOxford, MA3 GWhJul 2020Dec 2023 Solar
Seaboard Charlton, LLCNavisun LLCCharlton, MA3 GWhNov 2020Dec 2023 Solar
OSG Solar 1 LLCNavisun LLCOrange, MA3 GWhJun 2012Dec 2023 Solar
Freetown MA 1, LLCNavisun LLCFreetown, MA1 GWhNov 2022Dec 2023 Solar
Exeter Ten (CSG)Nautilus Solar SolutionsExeter, RI10 MWhNov 2024Dec 2024 Solar
Athens AT01Nautilus Solar SolutionsAthens, ME7 GWhMay 2022Dec 2024 Solar
SidneyNautilus Solar SolutionsSidney, ME2 GWhApr 2023Dec 2024 Solar
StandishNautilus Solar SolutionsStandish, ME7 GWhSep 2023Dec 2024 Solar
Town HouseNautilus Solar SolutionsChelsea, ME8 GWhNov 2022Dec 2024 Solar
Washington WS01Nautilus Solar SolutionsWashington, ME6 GWhMay 2022Dec 2024 Solar
Wells (ME)Nautilus Solar SolutionsWells, ME6 GWhJun 2022Dec 2024 Solar
Farmingdale FA01Nautilus Solar SolutionsFarmingdale, ME8 GWhMay 2022Dec 2024 Solar
FryeburgNautilus Solar SolutionsFryeburg, ME9 GWhApr 2023Dec 2024 Solar
Mechanic Street (CSG)Nautilus Solar SolutionsPresque Island, ME3 MWhNov 2024Dec 2024 Solar
Missile Street (CSG)Nautilus Solar SolutionsPresque Island, ME4 MWhNov 2024Dec 2024 Solar
North BridgtonNautilus Solar SolutionsOakland, ME8 GWhOct 2022Dec 2024 Solar
Brewer (CSG)Nautilus Solar SolutionsBrewer, ME2 GWhJul 2024Dec 2024 Solar
BRNG Nicolin (CSG)Nautilus Solar SolutionsEllsworth, ME205 MWhNov 2024Dec 2024 Solar
BNRG Norridgewock (CSG)Nautilus Solar SolutionsNorridgewock, ME171 MWhOct 2024Dec 2024 Solar
BNRG North Anson (CSG)Nautilus Solar SolutionsNorth Anson, ME143 MWhOct 2024Dec 2024 Solar
OaklandNautilus Solar SolutionsOakland, ME9 GWhAug 2022Dec 2024 Solar
QuarryNautilus Solar SolutionsNorth Berwick, ME10 GWhNov 2022Dec 2024 Solar
Ryans RanchNautilus Solar SolutionsParis, ME3 GWhMay 2022Dec 2024 Solar
Sabattus SB01Nautilus Solar SolutionsSabattus, ME8 GWhSep 2023Dec 2024 Solar
Sanford CGANautilus Solar SolutionsSanford, ME230 MWhMay 2022Dec 2024 Solar
Sanford -NYNautilus Solar SolutionsSanford, ME7 GWhJan 2024Dec 2024 Solar
ShakerNautilus Solar SolutionsGray, ME6 GWhJun 2022Dec 2024 Solar
Dynamic - Norridgewock Martin Stream (CSG)Nautilus Solar SolutionsNorridgewock, ME206 MWhOct 2024Dec 2024 Solar
Dynamic - Leeds Solar (CSG)Nautilus Solar SolutionsLeeds, ME473 MWhOct 2024Dec 2024 Solar
ISM Solar Cranston CSGNautilus Solar SolutionsCranston, RI4 GWhNov 2020Dec 2024 Solar
Mashpee Landfill SolarNautilus Solar SolutionsMashpee, MA2 GWhAug 2014Dec 2024 Solar
Hopkins Hill CSGNautilus Solar SolutionsWest Greenwich, RI9 GWhOct 2020Dec 2024 Solar
TPE King Solar Holdings1, LLC (CSG)Nautilus Solar SolutionsNorth Smithfield, RI18 GWhMar 2022Dec 2024 Solar
Nautilus Goat Island Solar LLC (CSG)Nautilus Solar SolutionsBurrillville, RI4 GWhJul 2019Dec 2024 Solar
West Brookfield Solar - Gilbertsville RdNautilus Solar SolutionsWest Brookfield, MA6 GWhMay 2017Dec 2024 Solar
NationwideNationwide Solar Energy LLCLancaster, MA5 GWhMay 2021Dec 2024 Solar
Natick MallNatick MallNatick, MA4 GWhSep 2018Dec 2024 Solar
NBC Field's Point Wind FarmNarragansett Bay CommissionProvidence, RI7 GWhSep 2012Apr 2025 Wind
NaplesNaples Casco Solar 1, LLCNaples, ME3 GWhNov 2021Dec 2024 Solar
Charlestown Wind TurbineMWRA CharlestownCharlestown, MA1 GWhSep 2011Dec 2024 Wind
Mt. Tom Solar Project HybridMt. Tom Solar, LLCHolyoke, MA5 GWhDec 2016Dec 2023 Solar
Mt Wachusett Community CollegeMt Wachusett Community CollegeGardner, MA5 GWhFeb 2011Apr 2025 Wind
UMass BostonMSS Energy Holdings, LLC (d.b.a. Calibrant Energy)Dorchester, MA659 MWhDec 1971Dec 2023 Solar : 91.2% Distillate Fuel Oil : 8.8%
Dartmouth Power Associates LPMorris Energy Operations Company, LLCDartmouth, MA63 GWhFeb 1992Dec 2024 Natural Gas : 99.7%
Moretown Generating StationMoretown Hydroelectric LLCMoretown, VT3 GWhDec 1988Dec 2023 Water
Montville StationMontville Power LLCUncasville, CT28 GWhDec 1953Dec 2024 Natural Gas : 52.4% Residual Fuel Oil : 46.4% Distillate Fuel Oil : 1.2%
Montague Road SolarMontague Road Solar, LLCAmherst, MA5 GWhNov 2019Dec 2024 Solar
Monson Solar, LLCMonson Solar, LLCMonson, MA3 GWhJul 2017Dec 2024 Solar
Fall River Solar CSGMN8 Energy LLCFall River, MA2 GWhJan 2013Dec 2024 Solar
Grafton PVMN8 Energy LLCGrafton, MA4 GWhSep 2016Dec 2024 Solar
Antares-GRE 314 East Lyme LLCMN8 Energy LLCEast Lyme, CT4 GWhMay 2014Apr 2025 Solar
Wilmington SolarMN8 Energy LLCWilmington, MA3 GWhOct 2015Dec 2024 Solar
West Bridgewater AB CSGMN8 Energy LLCWest Bridgewater, MA3 GWhMay 2017Dec 2024 Solar
Westford Solar ParkMN8 Energy LLCWestford, MA5 GWhMar 2012Dec 2024 Solar
Holliston Solar CSGMN8 Energy LLCHolliston, MA1 GWhJun 2015Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator190.4 TWh2,051
#8Tennessee Valley Authority158.5 TWh204
#10Florida Power & Light Co.149.2 TWh187
#12New York Independent System Operator130.9 TWh1,191
#13Duke Energy Carolinas111.9 TWh565
#14ISO New England103.8 TWh1,561
#16Bonneville Power Administration81.2 TWh163
#17Duke Energy Progress East65.1 TWh558
#18Salt River Project Agricultural Improvement and Power District58.9 TWh48
#19PacifiCorp East57.8 TWh215