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%

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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 401 to 500 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
515 Main Saugus515 Main Saugus LLCSaugus, MA2 GWhAug 2017Dec 2025 Solar
Aegean Drive SolarAegean Drive Solar LLCMethuen, MA2 GWhAug 2021Dec 2025 Solar
Downing Parkway SolarDowning Parkway Solar LLCPittsfield, MA3 GWhJun 2015Dec 2025 Solar
Millbury MA #1092Millbury MA #1092 LLCMillbury, MA2 GWhMay 2019Dec 2025 Solar
Millis MA 1Millis MA 1 LLCMillis, MA2 GWhOct 2018Dec 2025 Solar
Rochester MA 2Rochester MA 2 LLCRochester, MA1 GWhNov 2018Dec 2025 Solar
Wendell MA 1Wendell MA 1 LLCWendell, MA1 GWhNov 2018Dec 2025 Solar
Walden Solar Maine VWalden Solar Maine V LLCLeeds, ME36 GWhNov 2024Dec 2025 Solar
ME - Novel (Lighthouse Ph I) Mars HillMars Hill Road Solar Farm, LLCWestfield, ME4 GWhJul 2024Dec 2025 Solar
Central Heating PlantUniversity of Massachusetts AmherstAmherst, MA80 GWhSep 2007Dec 2025 Natural Gas : 96.3% Distillate Fuel Oil : 3.7%
Stamford Health Tully Health CenterStamford Health Tully Health CenterStamford, CT5 GWhApr 2002Dec 2025 Natural Gas
OverlookWestbound Solar 3, LLCWestminster, MA7 GWhFeb 2023Dec 2025 Solar
Bates College SkowheganWestbound Solar 3, LLCSkowhegan, ME8 GWhAug 2023Dec 2025 Solar
GSPP 409 Ferris RoadGreen Street Power PartnersLawrence, NY8 GWhNov 2024Dec 2025 Solar
GSPP 641 Ferris Road EastGreen Street Power PartnersLawrence, NY6 GWhNov 2024Dec 2025 Solar
GSPP 641 Ferris Road WestGreen Street Power PartnersLawrence, NY4 GWhNov 2024Dec 2025 Solar
Randall Road Solar IGreen Street Power PartnersBallston Spa, NY5 GWhJun 2024Dec 2025 Solar
Randall Road Solar IIGreen Street Power PartnersBallston Spa, NY3 GWhJun 2024Dec 2025 Solar
Swaggertown Solar IGreen Street Power PartnersGlenville, NY4 GWhOct 2024Dec 2025 Solar
New MarlboroughSunrise on Knight Rd. LLCNew Marlborough, MA7 GWhMay 2021Dec 2025 Solar
Peru (MA)Sunrise on West Main Rd. LLCPeru, MA4 GWhOct 2020Dec 2025 Solar
Russell (MA)Sunrise on Blandford Rd. LLCRussell, MA5 GWhOct 2020Dec 2025 Solar
TollandSunrise on Clubhouse Rd. LLCTolland, MA8 GWhNov 2020Dec 2025 Solar
WesthamptonSunrise on Montague Rd. LLCWesthampton, MA7 GWhNov 2020Dec 2025 Solar
Westport (MA)Sunrise on Drift Rd. LLCWestport, MA3 GWhSep 2020Dec 2025 Solar
Swaggertown Solar IIGreen Street Power PartnersGlenville, NY7 GWhAug 2024Dec 2025 Solar
East WindsorNJR Clean Energy Ventures CorporationEast Windsor, CT869 MWhAug 2025Dec 2025 Solar
Partridge SolarSoCore Energy LLCLanesborough, MA8 GWhAug 2022Dec 2025 Solar
Saddleback SolarSoCore Energy LLCLanesborough, MA4 GWhAug 2022Dec 2025 Solar
Glastonbury Solar OneNJR Clean Energy Ventures CorporationGlastonbury, CT821 MWhAug 2025Dec 2025 Solar
Skyline SolarSoCore Energy LLCLanesborough, MA8 GWhAug 2022Dec 2025 Solar
Adams Grove SolarSoCore Energy LLCAdams, MA6 GWhAug 2022Dec 2025 Solar
ApolloSunrise on Wing Ln. LLCAcushnet, MA3 GWhAug 2021Dec 2025 Solar
ME CDG 004ME CDG 004 LLCBangor, ME3 GWhNov 2024Dec 2025 Solar
ME CDG 005ME CDG 005 LLCVeazie, ME3 GWhNov 2024Dec 2025 Solar
ME - EDF - Phase II - BelfastShining Solar Partners, LLCBelfast, ME8 GWhAug 2024Dec 2025 Solar
Marston Mills SolarSoCore Energy LLCMarstons Mills, MA6 GWhNov 2021Dec 2025 Solar
GD Richmond Beaver River I LLCGD Richmond Beaver River I LLCRichmond, RI6 GWhMar 2025Dec 2025 Solar
White Brook Renewables PVWhite Brook Renewables LLCWest Greenwich, RI7 GWhNov 2024Dec 2025 Solar
Brattleboro (Windham Landfill)Altus Power America Management, LLCBrattleboro, VT6 GWhJul 2018Dec 2025 Solar
CTGB Manson YouthTotalEnergies Renewables USA LLCCheshire, CT3 GWhNov 2024Dec 2025 Solar
CTGB OsbornTotalEnergies Renewables USA LLCSomers, CT3 GWhNov 2024Dec 2025 Solar
CTGB Maloney and WebsterTotalEnergies Renewables USA LLCCheshire, CT3 GWhJun 2025Dec 2025 Solar
MD - EDFR - Phase II - LewistonHayworth Solar Partners, LLCLewiston, ME8 GWhOct 2024Dec 2025 Solar
20 BedfordMadison Energy Investments LLCBridgewater, MA146 MWhNov 2024Dec 2025 Solar
SP-231 CliftonMadison Energy Investments LLCClifton, ME5 GWhNov 2024Dec 2025 Solar
376 NashMadison Energy Investments LLCNew Bedford, MA17 MWhNov 2024Dec 2025 Solar
Roosevelt TrailMadison Energy Investments LLCWindham, ME1 GWhNov 2024Dec 2025 Solar
SP-339 Mechanic FallsMadison Energy Investments LLCMechanic Falls, ME1 GWhNov 2024Dec 2025 Solar
1519 Crandall Road1519 Crandall Road LLCTiverton, RI6 GWhNov 2020Dec 2025 Solar
BWC Mystic RiverBWC Mystic River LLCMendon, MA2 GWhJun 2017Dec 2025 Solar
BWC Origination 19BWC Origination 19 LLCHopedale, MA2 GWhJul 2017Dec 2025 Solar
BWC Origination 8 LLC Sturbridge 1BWC Origination 8 LLC Sturbridge 1 LLCSturbridge, MA1 GWhJul 2017Dec 2025 Solar
BWC Origination 8 LLC Sturbridge 2BWC Origination 8 LLC Sturbridge 2 LLCSturbridge, MA1 GWhAug 2017Dec 2025 Solar
Dudley Landfill Solar LLCDudley Landfill Solar LLCDudley, MA1 GWhApr 2025Dec 2025 Solar
Hampden Landfill Solar LLCHampden Landfill Solar LLCHampden, MA2 GWhNov 2024Dec 2025 Solar
Manville Hill Road SolarManville Hill Road Solar LLCCumberland, RI7 GWhApr 2021Dec 2025 Solar
Penobscot Narrows Solar IPenobscot Narrows Solar I LLCBucksport, ME7 GWhMay 2024Dec 2025 Solar
MEVS Clark LLCMEVS Clark LLCBingham, ME6 GWhSep 2023Dec 2025 Solar
Danton XI Solar LLCDanton XI Solar LLCMethuen, MA2 GWhDec 2013Dec 2025 Solar
NL MA - CopicutStandard SolarFreetown, MA6 GWhMay 2025Dec 2025 Solar
Bilton SolarEcos Energy LLCSomers, CT3 GWhAug 2023Dec 2025 Solar
Ava SolarEcos Energy LLCWare, MA2 GWhNov 2023Dec 2025 Solar
Mousam River SolarWalden Renewables Development LLCSanford, ME7 GWhOct 2025Dec 2025 Solar
0 MiddleMadison Energy Investments LLCChatham, MA3 GWhAug 2022Dec 2025 Solar
15 LincolnMadison Energy Investments LLCNorfolk, MA1 GWhNov 2022Dec 2025 Solar
BroadheadMadison Energy Investments LLCWaterville, ME7 GWhFeb 2023Dec 2025 Solar
TJA MA Wakeby RoadStandard SolarBarnstable, MA1 GWhAug 2025Dec 2025 Solar
MEVS WaterhouseMEVS LLCScarborogh, ME3 GWhNov 2024Dec 2025 Solar
Lisbon CSG LLCDimension Energy LLCLisbon, ME142 MWhSep 2025Dec 2025 Solar
Turner CSG LLCDimension Energy LLCTurner, ME428 MWhJul 2025Dec 2025 Solar
Water Line Solar, LLCDimension Energy LLCNorth Yarmouth, ME773 MWhMay 2025Dec 2025 Solar
Boundary Line Solar, LLCDimension Energy LLCNorth Yarmouth, ME87 MWhSep 2025Dec 2025 Solar
Stanley Black & DeckerOnyx Asset Services GroupEast Longmeadow, MA6 MWhNov 2025Dec 2025 Solar
New Britain - 142 Deming RdOnyx Asset Services GroupBerlin, CT44 MWhNov 2025Dec 2025 Solar
Lebanon West Lebanon Solar 1Lebanon West Lebanon Solar 1, LLCLebanon, ME3 GWhNov 2024Dec 2025 Solar
Berwick Hubbard Solar 1Berwick Hubbard Solar 1, LLCBerwick, ME6 GWhNov 2024Dec 2025 Solar
Sheffield HewinsNavisun LLCSheffield, MA2 GWhNov 2022Dec 2025 Solar
GSPP 9557 E Rd S, LLCGreen Street Power PartnersLowville, NY2 GWhMar 2025Dec 2025 Solar
GSPP 9605 E Rd N, LLCGreen Street Power PartnersLowville, NY2 GWhMar 2025Dec 2025 Solar
GSPP ROUTE 262, LLCGreen Street Power PartnersBergen, NY332 MWhJul 2025Dec 2025 Solar
GSPP Worcester Business Center, LLCGreen Street Power PartnersWorcester, MA300 MWhJul 2025Dec 2025 Solar
Syncarpha Northbridge II Hybrid CSGSyncarpha Northbridge II, LLCWhitinsville, MA8 GWhMar 2021Dec 2025 Solar
Brookfield Solar 2013 LLCCVI CleanCapital Solar 6North Brookfield, MA3 GWhNov 2013Dec 2025 Solar
WYM 1250 Palmer LLCCVI CleanCapital Solar 6Palmer, MA1 GWhAug 2013Dec 2025 Solar
Southern Sky Renew Energy Berkley LLCSouthern Sky Renewable Energy Berkley, LLCBerkley, MA4 GWhMay 2014Dec 2025 Solar
Worcester LandfillCity of Worcester DPW - (MA)Worcester, MA8 GWhApr 2017Dec 2025 Solar
Renew Canal 1 CSG LLCNRG Renew Canal 1 LLCSandwich, MA2 GWhMay 2017Dec 2025 Solar
Solar Mule, LLCSolar Mule, LLCOakland, ME2 GWhAug 2017Dec 2025 Solar
West Brookfield Solar, LLCCVI CleanCapital Solar 7West Brookfield, MA2 GWhDec 2015Dec 2025 Solar
BelchertownAltus Power America Management, LLCBelchertown, MA1 GWhNov 2015Dec 2025 Solar
Stone Hill Solar CSGMN8 Energy LLCNorth Easton, MA2 GWhJun 2014Dec 2025 Solar
Bridgewater Solar CSGMN8 Energy LLCBridgewater, MA4 GWhJul 2015Dec 2025 Solar
Holliston Solar CSGMN8 Energy LLCHolliston, MA1 GWhJun 2015Dec 2025 Solar
Wilmington SolarMN8 Energy LLCWilmington, MA2 GWhOct 2015Dec 2025 Solar
Fall River Solar CSGMN8 Energy LLCFall River, MA2 GWhJan 2013Dec 2025 Solar
Shirley LandfillAltus Power America Management, LLCShirley, MA1 GWhApr 2017Dec 2025 Solar
DDR Shoppers WorldAltus Power America Management, LLCFramingham, MA2 GWhOct 2017Dec 2025 Solar
Meadow SolarAltus Power America Management, LLCBoston, MA4 GWhNov 2016Dec 2025 Solar
Cedarville CSGAltus Power America Management, LLCPlymouth, MA914 MWhJun 2017Dec 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