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 Oct 2026
Annual Generation 112.2 TWh
Power Plants1,667
Utilities846
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% Nuclear | 25.3% Wind | 5.7% Water | 4.6% Other Fuel | 4.5% Solar | 1.6% Coal | 0%

Map of ISO New England

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for ISO New England.

Create Your Account Today

Daily Net Generation for ISO New England for the past 3 Years

List of All ISO New England Power Plants

Displaying Results 1,301 to 1,387 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Princeton Wind FarmTown of Princeton - (MA)Princeton, MA4 GWhDec 2009Dec 2025 Wind
ShrewsburyTown of Shrewsbury - (MA)Shrewsbury, MA2 GWhOct 1969Dec 2025 Distillate Fuel Oil
Centech Gas GeneratorTown of Shrewsbury - (MA)Shrewsbury, MA428 MWhMar 2019Dec 2025 Natural Gas
Stafford MS Ground Mount Community SolarTown of Stafford - (CT)Stafford, CT3 GWhJun 2016Dec 2025 Solar
Nebraska Valley Solar FarmTown of Stowe - (VT)Stowe, VT1 GWhJul 2016Dec 2025 Solar
West Boylston Community Shared SolarTown of West Boylston - (MA)West Boylston, MA447 MWhNov 2016Dec 2025 Solar
TPE RI WA1 SolarTPE RI WA1, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
TPE RI WA2 SolarTPE RI WA2, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
UB Fuel CellUB Fuel CellBridgeport, CT10 GWhMar 2015Dec 2025 Natural Gas
UDR Glastonbury Fuel CellUIL Distributed Resources, LLCGlastonbury, CT16 GWhJan 2016Dec 2025 Natural Gas
UI RCP Woodbridge FCUnited Illuminating CoWoodbridge, CT17 GWhNov 2016Dec 2025 Natural Gas
UI RCP Bridgeport SeasideUnited Illuminating CoBridgeport, CT18 GWhOct 2015Jul 2026 Natural Gas : 85.3% Solar : 14.7%
UI RCP New Haven Fuel CellUnited Illuminating CoNew Haven, CT21 GWhJul 2015Jul 2026 Natural Gas
Pratt & WhitneyUnited TechnologiesEast Hartford, CT96 GWhDec 1991Jul 2026 Natural Gas
UCONN Cogen FacilityUniversity of ConnecticutStorrs, CT111 GWhFeb 2006Jul 2026 Natural Gas : 95.1% Distillate Fuel Oil : 4.9%
Central Heating PlantUniversity of Massachusetts AmherstAmherst, MA80 GWhSep 2007Dec 2025 Natural Gas : 96.3% Distillate Fuel Oil : 3.7%
Univ of Massachusetts Medical CenterUniversity of Massachusetts MedicalWorcester, MA63 GWhMar 1974Dec 2025 Natural Gas : 99.3% Distillate Fuel Oil : 0.6%
Upton Community SolarUpton Solar, LLCUpton, MA3 GWhAug 2017Dec 2025 Solar
Cape Cod Air Force Station - 6 SWSUS Space ForceSagamore, MA6 GWhDec 2013Jul 2026 Wind
Valley Sun SolarValley Sun Solar LLCGrand Isle, ME3 GWhNov 2024Dec 2025 Solar
FedEx MiddletownVCP Realty, LLCMiddletown, CT2 GWhOct 2024Dec 2025 Solar
VenturaVentura Drive Dartmouth Solar 1, LLCDartmouth, MA2 GWhMay 2022Dec 2025 Solar
VPPSA Project 10Vermont Public Power Supply AuthoritySwanton, VT1 GWhApr 2010Dec 2025 Distillate Fuel Oil
MorrisvilleVillage of Morrisville - (VT)Morrisville, VT5 GWhJul 1924Dec 2025 Water
W K SandersVillage of Morrisville - (VT)Hyde Park, VT716 MWhJun 1983Nov 2025 Water
Cadys FallsVillage of Morrisville - (VT)Morrisville, VT2 GWhJul 1914Dec 2025 Water
Highgate FallsVillage of Swanton - (VT)Highgate, VT32 GWhJul 1923Dec 2025 Water
Oak Bluffs Diesel Generating FacilityVineyard Reliability LLCOak Bluffs, MA3 GWhDec 1968Sep 2025 Distillate Fuel Oil
West Tisbury Generating FacilityVineyard Reliability LLCWest Tisbury, MA5 GWhDec 1974Sep 2025 Distillate Fuel Oil
Vineyard Wind 1Vineyard Wind 1 LLCEdgartown, MA564 GWh-Jul 2026 Wind
Hopkinton Phase 2Vista Solar, Inc.Ashaway, RI4 GWhAug 2020Dec 2025 Solar
Wachusett SolarWachusett Solar, LLCRutland, MA3 GWhJul 2019Dec 2025 Solar
Mousam River SolarWalden Renewables Development LLCSanford, ME7 GWhOct 2025Dec 2025 Solar
Walden Solar Maine VWalden Solar Maine V LLCLeeds, ME36 GWhNov 2024Dec 2025 Solar
Wallingford EnergyWallingford Energy LLCWallingford, CT107 GWhJul 2001Dec 2025 Natural Gas
Wallingford SolarWallingford Renewable Energy, LLCWallingford, CT15 GWhAug 2021Dec 2025 Solar
Walpole Solar 2Walpole Solar 2, LLCWalpole, MA4 GWhMar 2014Dec 2025 Solar
Ware Palmer Road Solar LLC CSGWare Palmer Road Solar LLCWare, MA5 GWhMay 2021Dec 2025 Solar
Coventry Clean Energy CorporationWashington Electric Coop - (VT)Coventry, VT57 GWhJun 2005Dec 2025 Landfill Gas
Wrightsville Hydro PlantWashington Electric Coop - (VT)Montpelier, VT374 MWhAug 1985Dec 2025 Water
Waterside Power, LLCWaterside Power, LLCStamford, CT2 GWhMay 2003Dec 2025 Distillate Fuel Oil
BrimfieldWEB Brimfield Solar LLCBrimfield, MA3 GWhNov 2021Dec 2025 Solar
WEB BrookfieldWEB Brookfield Solar LLCBrookfield, MA6 GWhNov 2021Dec 2025 Solar
Silver MapleWEB Silver Maple Wind LLCClifton, ME64 GWhSep 2022Dec 2025 Wind
Webster SolarWebster Solar, LLCWebster, MA1 GWhNov 2017Dec 2025 Solar
WED Coventry 4WED Coventry Four, LLCCoventry, RI3 GWhJul 2016Dec 2025 Wind
WED Coventry 1WED Coventry One, LLCCoventry, RI3 GWhSep 2016Dec 2025 Wind
WED Coventry Seven, LLCWED Coventry Seven, LLCCoventry, RI5 GWhNov 2020Dec 2025 Solar
WED Coventry 3WED Coventry Three, LLCCoventry, RI3 GWhJul 2016Dec 2025 Wind
WED Coventry 2WED Coventry Two, LLCCoventry, RI9 GWhJul 2016Jun 2026 Wind
WED Green Hill, LLCWED Green Hill, LLCJohnston, RI6 GWhDec 2018Jun 2026 Wind
WED NK GreenWED NK Green LLCNorth Kingstown, RI3 GWhFeb 2012Dec 2025 Wind
WED Plainfield II, LLCWED Plainfield II, LLCJohnston, RI8 GWhDec 2018Dec 2025 Wind
WED Plainfield III, LLCWED Plainfield III, LLCJohnston, RI7 GWhDec 2018Dec 2025 Wind
WED Plainfield, LLCWED Plainfield, LLCJohnston, RI7 GWhDec 2018Dec 2025 Wind
WED Shun I, LLCWED Shun I, LLCJohnston, RI7 GWhDec 2018Jun 2026 Wind
WED Shun II, LLCWED Shun II, LLCJohnston, RI7 GWhDec 2018Dec 2025 Wind
WED Shun III, LLCWED Shun III, LLCJohnston, RI8 GWhDec 2018Dec 2025 Wind
Wellesley College Central Utility PlantWellesley CollegeWellesley, MA10 GWhMay 1985Dec 2025 Natural Gas
Wendell MA 1Wendell MA 1 LLCWendell, MA1 GWhNov 2018Dec 2025 Solar
Wesleyan University Cogen 1Wesleyan UniversityMiddletown, CT4 GWhJan 2009Dec 2025 Natural Gas
Niagara Bottling - BloomfieldWestbound Solar 3, LLCBloomfield, CT4 GWhOct 2022Dec 2025 Solar
Bates College SkowheganWestbound Solar 3, LLCSkowhegan, ME8 GWhAug 2023Dec 2025 Solar
OverlookWestbound Solar 3, LLCWestminster, MA7 GWhFeb 2023Dec 2025 Solar
Westbrook Energy Center Power PlantWestbrook Energy CenterWestbrook, ME3 TWhApr 2001Jul 2026 Natural Gas
Cottage Street Solar FacilityWestern Massachusetts Electric CompanySpringfield, MA4 GWhApr 2014Jul 2026 Solar
Silver Lake Solar Photovoltaic FacilityWestern Massachusetts Electric CompanyPittsfield, MA2 GWhNov 2010Dec 2025 Solar
Indian Orchard PV FacilityWestern Massachusetts Electric CompanySpringfield, MA2 GWhNov 2011Dec 2025 Solar
Westminster Renewables, LLC CSGWestminster Renewables, LLCWestminster, MA2 GWhSep 2018Dec 2025 Solar
Whatley RenewablesWhatley Renewables, LLCWhatley, MA2 GWhSep 2020Dec 2025 Solar
Wheelabrator Concord FacilityWheelabrator Environmental SystemsConcord, NH93 GWhMar 1989Jul 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Wheelabrator North AndoverWheelabrator Environmental SystemsNorth Andover, MA247 GWhApr 1985Jul 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Wheelabrator LisbonWheelabrator Environmental SystemsLisbon, CT101 GWhSep 1995Jul 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Wheelabrator BridgeportWheelabrator Environmental SystemsBridgeport, CT429 GWhJun 1988Jul 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Wheelabrator SaugusWheelabrator Environmental SystemsSaugus, MA182 GWhJul 1985Jul 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Wheelabrator Millbury FacilityWheelabrator Environmental SystemsMillbury, MA288 GWhAug 1987Jul 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
White Brook Renewables PVWhite Brook Renewables LLCWest Greenwich, RI7 GWhNov 2024Dec 2025 Solar
White Rock Road LLCWhite Rock Road LLCWesterly, RI11 GWhNov 2022Dec 2025 Solar
Wilmarth SolarWilmarth Lane Solar 1, LLCPlainville, MA8 GWhJan 2020Dec 2025 Solar
Wind Colebrook SouthWind Colebrook SouthColebrook, CT11 GWhOct 2015Jun 2026 Wind
New Milford Gas RecoveryWM Renewable Energy LLCNew Milford, CT4 GWhApr 2008Dec 2025 Landfill Gas
Fitchburg Gas RecoveryWM Renewable Energy LLCWestminster, MA32 GWhSep 2007Dec 2025 Landfill Gas
Waste Management Crossroads LFGTEWM Renewable Energy LLCNorridgewock, ME22 GWhFeb 2009Dec 2025 Landfill Gas
Turnkey Landfill Gas RecoveryWM Renewable Energy LLCRochester, NH39 GWhJan 1992Dec 2025 Landfill Gas
Woodland Avenue Solar 1Woodland Avenue Solar 1, LLCSeekonk, MA9 GWhJul 2020Dec 2025 Solar
Woods Hill SolarWoods Hill Solar, LLCPomfret, CT22 GWhNov 2018Jul 2026 Solar
Mainely Solar (Wyman Hill Solar LLC)Wyman Hill Solar, LLCRumford, ME6 GWhNov 2022Dec 2025 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator168.7 TWh2,170
#9Tennessee Valley Authority166.2 TWh209
#10Florida Power & Light Co.153.0 TWh188
#12New York Independent System Operator134.1 TWh1,334
#13Duke Energy Carolinas113.4 TWh578
#15ISO New England112.2 TWh1,667
#16Bonneville Power Administration91.1 TWh170
#17Duke Energy Progress East66.2 TWh574
#18PacifiCorp East61.4 TWh223
#19Salt River Project Agricultural Improvement and Power District60.5 TWh51