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%

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 1,201 to 1,300 of 1,367
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
ME CDG 005ME CDG 005 LLCVeazie, ME3 GWhNov 2024Dec 2025 Solar
Maine Independence StationCasco Bay Energy Co LLCVeazie, ME1 TWhApr 2000Dec 2025 Natural Gas
Vergennes 9Green Mountain Power CorpVergennes, VT8 GWhDec 1911Dec 2025 Water
Vernon DamGreat River Hydro, LLCVernon, VT119 GWhJul 1909Dec 2025 Water
Fox Island Wind LLCFox Island Wind LLCVinalhaven, ME9 GWhOct 2009Dec 2025 Wind
Goodwin HydroelectricMetropolitan Dist of HartfordW. Hartland, CT8 GWhMar 1986Oct 2025 Water
Mascoma HydroGreen Mountain Power CorpW. Lebanon, NH202 MWhNov 1988Dec 2025 Water
North Nobleboro Road, LLCREA Investments, LLCWaldoboro, ME4 GWhMay 2021Dec 2025 Solar
Dynamic - Wales Leeds Junction Road (CSG)Altus Power America Management, LLCWales, ME7 GWhOct 2024Dec 2025 Solar
Wallingford SolarWallingford Renewable Energy, LLCWallingford, CT15 GWhAug 2021Dec 2025 Solar
Wallingford EnergyWallingford Energy LLCWallingford, CT107 GWhJul 2001Dec 2025 Natural Gas
MHG WallingfordStandard SolarWallingford, VT3 GWhNov 2019Dec 2025 Solar
Walpole Solar 2Walpole Solar 2, LLCWalpole, MA4 GWhMar 2014Dec 2025 Solar
Dynamic - WalpoleAES Distributed EnergyWalpole, MA2 GWhMay 2017Dec 2025 Solar
Town of Ware - Canadian Tree(CSG)MA CS Ware West, LLCWare, MA2 GWhNov 2021Dec 2024 Solar
Ava SolarEcos Energy LLCWare, MA2 GWhNov 2023Dec 2025 Solar
Ware Palmer Road Solar LLC CSGWare Palmer Road Solar LLCWare, MA5 GWhMay 2021Dec 2024 Solar
299 Farm to Market Rd Hybrid(CSG)299F2M WHAM8 Solar, LLCWareham, MA6 GWhNov 2021Dec 2024 Solar
71 Charlotte Furnace Rd Hybrid(CSG)71CFR WHAM8 Solar, LLCWareham, MA2 GWhNov 2021Dec 2024 Solar
160 Tihonet Rd Hybrid(CSG)160TIH WHAM8 Solar, LLCWareham, MA10 GWhNov 2021Dec 2024 Solar
Cranberry Highway Solar LLCCranberry Highway Solar, LLCWareham, MA3 GWhFeb 2021Dec 2025 Solar
77 Farm to Market Rd Hybrid(CSG)77F2M WHAM8 Solar, LLCWareham, MA9 GWhNov 2021Dec 2024 Solar
Tihonet SolarRWE Clean EnergyWareham, MA2 GWhApr 2014Dec 2025 Solar
Acushnet AD MakepeaceCleanCapital HoldingsWareham, MA6 GWhJun 2012Dec 2025 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
Wareham Solar PVNSTAR Electric CompanyWareham, MA1 GWhNov 2018Dec 2025 Solar
Wareham MA 1 Community SolarNavisun LLCWareham, MA3 GWhAug 2016Dec 2025 Solar
BWC Gibbs BrookBWC Gibbs Brook, LLCWareham, MA7 GWhNov 2018Dec 2025 Solar
BWC Wareham RiverBWC Wareham River, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
Onset East Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2025 Solar
Onset West Community Solar FacilityKearsarge Onset LLCWareham, MA2 GWhMar 2016Dec 2025 Solar
BWC Harlow BrookBWC Harlow Brook, LLCWareham, MA2 GWhNov 2018Dec 2025 Solar
Morin Solar 2013 LLCCVI CleanCapital Solar 6Warren, MA5 GWhNov 2013Dec 2025 Solar
Mass Midstate Solar 1Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2025 Solar
Mass Midstate Solar 3Evergreen Wind, LLCWarren, MA6 GWhApr 2014Dec 2025 Solar
Mass Midstate Solar 2Evergreen Wind, LLCWarren, MA7 GWhApr 2014Dec 2025 Solar
ZPD-PT Solar Project 2017-006 LLC HybridAES Distributed EnergyWarren, MA6 GWhJun 2021Dec 2025 Solar
Cronin Road Solar 1, LLC CSG HybridAES Distributed EnergyWarren, MA3 GWhMay 2020Dec 2025 Solar
Blackhorse Farm Solar, LLC CSGAES Distributed EnergyWarren, RI6 GWhNov 2020Dec 2025 Solar
TPE RI WA2 SolarTPE RI WA2, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
TPE RI WA1 SolarTPE RI WA1, LLCWarren, RI6 GWhMay 2024Dec 2025 Solar
KilvertCaptona Kilvert Street Warwick LLCWarwick, RI8 GWhNov 2018Dec 2025 Solar
Washington WS01Nautilus Solar SolutionsWashington, ME5 GWhMay 2022Dec 2025 Solar
WED Kingstown Solar I - East ArrayCleanCapital HoldingsWashington, RI5 GWhNov 2017Dec 2025 Solar
Waterbury GenerationEngie North AmericaWaterbury, CT55 GWhMay 2009Dec 2025 Natural Gas : 99.1% Kerosene : 0.9%
Waterbury 22Green Mountain Power CorpWaterbury, VT11 GWhMay 1953Dec 2025 Water
MillstoneDominion Energy Nuclear Conn IncWaterford, CT17 TWhNov 1975May 2026 Nuclear
Town of HalfmoonTesla Inc.Waterford, NY1 GWhMay 2017Dec 2024 Solar
Watertown Solar One, LLCDG Connecticut III, LLCWatertown, CT3 GWhMay 2021Dec 2025 Solar
Cenergy - Waterville (CSG)Luminace Sunbeam Development Holdings, LLCWaterville, ME9 GWhJun 2023Dec 2025 Solar
BroadheadMadison Energy Investments LLCWaterville, ME7 GWhFeb 2023Dec 2025 Solar
Webb Road SolarNextGrid Mastic, LLCWaterville, ME5 GWhAug 2022Dec 2025 Solar
Messalonskee 5Messalonskee Stream Hydro LLCWaterville, ME4 GWhDec 1934Dec 2025 Water
Lockwood Hydroelectric FacilityMerimil Ltd PartnershipWaterville, ME13 GWhSep 1985Dec 2025 Water
AscutneyGreen Mountain Power CorpWeatherfield, VT437 MWhJul 1961May 2026 Distillate Fuel Oil
DG Webster LLC CSGDG Webster, LLCWebster, MA2 GWhNov 2017Dec 2025 Solar
Webster SolarWebster Solar, LLCWebster, MA1 GWhNov 2017Dec 2025 Solar
Wellesley College Central Utility PlantWellesley CollegeWellesley, MA10 GWhMay 1985Dec 2025 Natural Gas
Wells (ME)Nautilus Solar SolutionsWells, ME8 GWhJun 2022Dec 2025 Solar
Wendell MA 1Wendell MA 1 LLCWendell, MA1 GWhNov 2018Dec 2025 Solar
Baldwin (ME)Maine DG Solar Baldwin, LLCWest Baldwin, ME10 GWhFeb 2022Dec 2025 Solar
West Boylston Community Shared SolarTown of West Boylston - (MA)West Boylston, MA447 MWhNov 2016Dec 2025 Solar
Oakdale Power StationMassachusetts Water Res AuthWest Boylston, MA1 GWhApr 1951Dec 2025 Water
West Bridgewater AB CSGMN8 Energy LLCWest Bridgewater, MA3 GWhMay 2017Dec 2025 Solar
Ajax Solar, LLC (MA)Green Street Power PartnersWest Bridgewater, MA4 GWhNov 2017Dec 2025 Solar
West Brookfield Solar - Gilbertsville RdNautilus Solar SolutionsWest Brookfield, MA5 GWhMay 2017Dec 2025 Solar
West Brookfield Solar, LLCCVI CleanCapital Solar 7West Brookfield, MA2 GWhDec 2015Dec 2025 Solar
West CharlestonBarton Village, IncWest Charleston, VT6 GWhJun 1931Jul 2025 Water
NE Renewable Power West EnfieldStored Solar J&WEWest Enfield, ME43 GWhNov 1987Dec 2025 Wood/Wood Waste Solids
West Enfield HydroBrookfield Black Bear Hydro, LLCWest Enfield, ME70 GWhMar 1988Dec 2025 Water
Harris HydroBrookfield White Pine Hydro LLCWest Forks, ME151 GWhDec 1953Dec 2025 Water
GD West Greenwich Victory I, LLCCleanCapital HoldingsWest Greenwich, RI3 GWhNov 2019Dec 2025 Solar
West Greenwich SolarRWE Clean EnergyWest Greenwich, RI2 GWhApr 2013May 2026 Solar
White Brook Renewables PVWhite Brook Renewables LLCWest Greenwich, RI7 GWhNov 2024Dec 2025 Solar
University Solar, LLCAES Distributed EnergyWest Greenwich, RI27 GWhNov 2019May 2026 Solar
Robin Hollow SolarRobin Hollow Solar, LLCWest Greenwich, RI69 GWhNov 2023May 2026 Solar
Hopkins Hill CSGNautilus Solar SolutionsWest Greenwich, RI10 GWhOct 2020Dec 2025 Solar
GD West Greenwich Nooseneck I, LLCGD West Greenwich Nooseneck I, LLCWest Greenwich, RI31 GWhNov 2022Dec 2025 Solar
EHC West HopkintonGreen Mountain Power CorpWest Hopkinton, NH1 GWhJun 1985Dec 2025 Water
Truck StopLSE Corona Austrina LLCWest Stockridge, MA3 GWhOct 2017Dec 2024 Solar
West Tisbury Generating FacilityVineyard Reliability LLCWest Tisbury, MA5 GWhDec 1974Sep 2025 Distillate Fuel Oil
SEMASS Resource RecoverySEMASS PartnershipWest Wareham, MA553 GWhJun 1988May 2026 Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.7%
Westborough Solar LLCSunRay Power LLCWestborough, MA2 GWhMar 2014Dec 2024 Solar
S D Warren WestbrookRelevate Power Management LLCWestbrook, ME15 GWhDec 1902Dec 2025 Water
Westbrook Energy Center Power PlantWestbrook Energy CenterWestbrook, ME4 TWhApr 2001May 2026 Natural Gas
Kearsarge WesterlyKearsarge Westerly LLCWesterly, RI7 GWhNov 2020Dec 2025 Solar
White Rock Road LLCWhite Rock Road LLCWesterly, RI11 GWhNov 2022Dec 2025 Solar
ME - Novel (Lighthouse Ph I) Mars HillMars Hill Road Solar Farm, LLCWestfield, ME4 GWhJul 2024Dec 2025 Solar
GSPP Terrawatt Westfield LLC CSGGreen Street Power PartnersWestfield, MA6 GWhJan 2019Dec 2025 Solar
CED Westfield Solar, LLCRWE Clean EnergyWestfield, MA3 GWhJul 2016Dec 2025 Solar
Twiss Street SolarCitizens Enterprises CorporationWestfield, MA2 GWhDec 2014Mar 2025 Solar
Westford Solar ParkMN8 Energy LLCWestford, MA4 GWhMar 2012Dec 2025 Solar
WesthamptonSunrise on Montague Rd. LLCWesthampton, MA7 GWhNov 2020Dec 2024 Solar
TES RowtierSkyHigh 2 SolarWestminster, MA10 GWhMar 2021Dec 2025 Solar
OverlookWestbound Solar 3, LLCWestminster, MA7 GWhFeb 2023Dec 2025 Solar
28 Livermore Hill Road Solar28 Livermore Hill Road Solar, LLCWestminster, MA7 GWhMay 2020Dec 2025 Solar
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA6 GWhOct 2022Dec 2025 Solar
Westminster Renewables, LLC CSGWestminster Renewables, LLCWestminster, MA2 GWhSep 2018Dec 2025 Solar
Fitchburg Gas RecoveryWM Renewable Energy LLCWestminster, MA32 GWhSep 2007Dec 2025 Landfill Gas
Theodore Drive Community SolarTheodore Drive Solar, LLCWestminster, MA2 GWhFeb 2018Dec 2025 Solar

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