2. Balancing Authorities
  3. ISO New England

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 Jun 2025
Annual Generation 103.1 TWh
Power Plants1,487
Utilities782
Ranked #15 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 | 24.7% Water | 6.2% Other Fuel | 4.5% Wind | 3.7% Solar | 1.4% Coal | 0.3%

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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 1,176
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Nextsun Energy LittletonGreenbacker Renewable Energy CorporationLittleton, MA5 GWhSep 2013Dec 2023 Solar
RoxWindRoxWind LLCRoxbury, ME10 GWhOct 2021Dec 2023 Wind
Coventry Clean Energy CorporationWashington Electric Coop - (VT)Coventry, VT52 GWhJun 2005Dec 2023 Landfill Gas
Gardner - Otter River RoadOtter River Road Solar LLCGardner, MA4 GWhSep 2019Dec 2023 Solar
GSPP Boxborough Littleton (MA)GSPP Boxborough Littleton, LLCBoxborough, MA5 GWhDec 2018Dec 2023 Solar
Holiday Hill Community WindGreenbacker Renewable Energy CorporationRussell, MA10 GWhNov 2019Dec 2023 Wind
Town of Burrillville Solar CSGStandard SolarBurrillville, RI4 GWhSep 2020Dec 2023 Solar
Kearsarge GillKearsarge Gill LLCGill, MA3 GWhDec 2017Dec 2023 Solar
Syncarpha Tewksbury Hybrid CSGSyncarpha Tewksbury, LLCTewksbury, MA4 GWhJan 2022Dec 2023 Solar
Syncarpha Westminster Hybrid CSGSyncarpha Westminster, LLCWestminster, MA6 GWhOct 2022Dec 2023 Solar
Syncarpha Leicester Hybrid CSGSyncarpha Leicester, LLCLeicester, MA4 GWhMay 2021Dec 2023 Solar : 99.5% Electricity used for energy storage : 0.5%
Syncarpha Halifax Hybrid CSGSyncarpha Halifax, LLCHalifax, MA3 GWhNov 2020Dec 2023 Solar : 99.0%
Syncarpha Millbury Hybrid (CSG)Syncarpha Millbury, LLCMillbury, MA8 GWhSep 2022Dec 2023 Solar
Syncarpha Blandford Hybrid CSGSyncarpha Blandford, LLCBlandford, MA8 GWhNov 2019Dec 2023 Solar
Syncarpha Northampton Hybrid CSGSyncarpha Northampton, LLCNorthampton, MA5 GWhNov 2020Dec 2023 Solar
Syncarpha Northbridge I Hybrid(CSG)Syncarpha Northbridge I, LLCWhitinsville, MA9 GWhNov 2021Dec 2023 Solar
Syncarpha Northbridge II Hybrid CSGSyncarpha Northbridge II, LLCWhitinsville, MA8 GWhMar 2021Dec 2023 Solar
Goose Pond SolarLSE Dorado, LLCSouthwick, MA7 GWhDec 2019Dec 2023 Solar
Cronin Road Solar 1, LLC CSG HybridAES Distributed EnergyWarren, MA3 GWhMay 2020Dec 2023 Solar : 99.7%
Lane Ave Solar LLCAES Distributed EnergyNorth Brookfield, MA2 GWhAug 2021Dec 2023 Solar
Ryan Road Solar LLC Hybrid(CSG)AES Distributed EnergyNorth Brookfield, MA8 GWhNov 2021Dec 2023 Solar
W. Orange Rd Solar LLCAES Distributed EnergyOrange, MA7 GWhAug 2021Dec 2023 Solar
Wilbur Woods Solar LLCAES Distributed EnergyOrange, MA8 GWhAug 2021Dec 2023 Solar
West Street Solar 1 LLCAES Distributed EnergyGardner, MA8 GWhNov 2019Dec 2023 Solar
Hopkins Hill CSGNautilus Solar SolutionsWest Greenwich, RI11 GWhOct 2020Dec 2023 Solar
Hopkinton Phase 2Vista Solar, Inc.Ashaway, RI4 GWhAug 2020Dec 2023 Solar
VPPSA Project 10Vermont Public Power Supply AuthoritySwanton, VT908 MWhApr 2010Dec 2023 Distillate Fuel Oil
Battle Creek SolarEcos Energy LLCBennington, VT4 GWhSep 2018Dec 2023 Solar
Middleton Solar ParkHG Solar Development, LLCMiddleton, MA7 GWhMay 2018Dec 2023 Solar
Brookfield Wire CompanyDynamic Energy Solutions, LLCBrookfield, MA2 GWhMay 2016Dec 2023 Solar
Sherman SolarEcos Energy LLCGriswold, CT2 GWhNov 2019Dec 2023 Solar
Jackson Solar (CT)Ecos Energy LLCGriswold, CT2 GWhNov 2019Dec 2023 Solar
Sydney SolarEcos Energy LLCHampton, CT3 GWhMay 2020Dec 2023 Solar
Dickinson Solar (CT)Ecos Energy LLCHampton, CT3 GWhMay 2020Dec 2023 Solar
Becton CanaanDG Northeast 1, LLCNorth Canaan, CT3 GWhFeb 2018Dec 2023 Solar
Plainfield Solar 2Ecos Energy LLCPlainfield, CT1 GWhMar 2020Dec 2023 Solar
Partridge Hill Solar HybridAES Distributed EnergyCharlton, MA3 GWhJun 2020Dec 2023 Solar
Natick MallNatick MallNatick, MA3 GWhSep 2018Dec 2023 Solar
South Windsor Fuel CellSouth Energy Investments LLCSouth Windsor, CT39 GWhFeb 2020Dec 2023 Natural Gas
Sutton Solar 2, LLC CSGSutton Solar 2, LLCSutton, MA1 GWhNov 2020Dec 2023 Solar
Granby Solar, LLC CSGGranby Solar, LLCGranby, MA6 GWhJun 2021Dec 2023 Solar
Ticket Network South WindsorEnterSolarSouth Windsor, CT2 GWhApr 2018Dec 2023 Solar
Corbin Russwin Phase 3 BerlinEnterSolarBerlin, CT2 GWhMar 2018Dec 2023 Solar
GSPP Gilman, LLCGreen Street Power PartnersLunenburg, VT3 GWhAug 2018Dec 2023 Solar
CP Middletown Solar I LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2023 Solar
CP Middletown Solar II LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2023 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2023 Solar
UB Fuel CellUB Fuel CellBridgeport, CT10 GWhMar 2015Dec 2023 Natural Gas
Hurteau Solar Project HybridAES Distributed EnergyUxbridge, MA3 GWhFeb 2020Dec 2023 Solar : 98.8%
Alicea Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA4 GWhNov 2020Dec 2023 Solar
McDougle-Mitchell Solar Project Hybrid CSGAES Distributed EnergyCharlton, MA7 GWhJul 2020Dec 2023 Solar
Cycz Solar Project CSG HybridAES Distributed EnergySpencer, MA3 GWhMay 2020Dec 2023 Solar
West A&B Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA5 GWhNov 2020Dec 2023 Solar
Annese Solar Project Hybrid CSGAES Distributed EnergySouthbridge, MA7 GWhNov 2020Dec 2023 Solar
Randall Solar Project HybridAES Distributed EnergyBerlin, MA9 GWhJun 2021Dec 2023 Solar
Amazon BDL3 Solar ProjectSolar Star Prime 1 LLCNew Haven, CT1 GWhSep 2019Dec 2023 Solar
Samoset SolarSamoset Solar, LLCRockport, ME2 GWhJun 2023Dec 2023 Solar
St. Joseph's Solar, LLC CSG38 Degrees North, LLCCharlton, MA2 GWhNov 2017Dec 2023 Solar
Boutillier Solar, LLC CSG38 Degrees North, LLCLeicester, MA5 GWhMar 2018Dec 2023 Solar
Blair Wire Village Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2023 Solar
Barton Acres Solar, LLC CSG38 Degrees North, LLCPhillipston, MA2 GWhSep 2017Dec 2023 Solar
Cherry Valley Solar, LLC CSG38 Degrees North, LLCLeicester, MA2 GWhOct 2017Dec 2023 Solar
ISM Solar Dighton 2, LLC CSG38 Degrees North, LLCDighton, MA4 GWhNov 2017Dec 2023 Solar
Incom Solar, LLC CSG38 Degrees North, LLCCharlton, MA4 GWhOct 2017Dec 2023 Solar
JH Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA2 GWhOct 2017Dec 2023 Solar
Woodchuck Solar, LLC CSG38 Degrees North, LLCSpencer, MA2 GWhNov 2017Dec 2023 Solar
Dudley River 3 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2023 Solar
Dudley River 2 Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2023 Solar
Dudley River Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhOct 2017Dec 2023 Solar
Ledeaux Solar, LLC CSG38 Degrees North, LLCNorth Brookfield, MA1 GWhOct 2017Dec 2023 Solar
Cohasse Solar, LLC CSG38 Degrees North, LLCSouthbridge, MA2 GWhSep 2017Dec 2023 Solar
Palombo Solar, LLC CSG38 Degrees North, LLCUxbridge, MA3 GWhNov 2017Dec 2023 Solar
Palombo B Solar, LLC CSG38 Degrees North, LLCUxbridge, MA2 GWhNov 2017Dec 2023 Solar
Nutmeg SolarNutmeg Solar LLCEnfield, CT33 GWhNov 2020Dec 2023 Solar
One PatriotBloom EnergyFoxborough, MA13 GWhNov 2019Dec 2023 Natural Gas
Bowden Solar LLC38DN Power Fund 1 LLCMonson, MA3 GWhFeb 2019Dec 2023 Solar
Lakeville SolarC2 MA Lakeville, LLCLakeville, MA3 GWhNov 2018Dec 2023 Solar
Oak Street SolarCitizens Enterprises CorporationSpringfield, MA5 GWhNov 2019Dec 2023 Solar
Cranberry SolarGWE Cranberry Solar RT, LLCMiddleborough, MA2 GWhNov 2016Dec 2023 Solar
ISM Solar Cranston CSGNautilus Solar SolutionsCranston, RI4 GWhNov 2020Dec 2023 Solar
CES Agawam Tuckahoe Solar HybridCES Agawam Tuckahoe Solar LLCAgawam, MA7 GWhNov 2021Dec 2023 Solar
Partridgeville Hybrid CSGPartridgeville Road Solar 1, LLCAthol, MA6 GWhDec 2019Dec 2023 Solar
Williamsville Hybrid CSGWilliamsville Road LLCHubbardston, MA7 GWhAug 2021Dec 2023 Solar
East Brookfield Main Street Solar LLC CSGAES Distributed EnergyEast Brookfield, MA2 GWhNov 2020Dec 2023 Solar
GD Hopkinton Main I, LLCGD Hopkinton Main I, LLCHopkinton, RI16 GWhOct 2020Dec 2023 Solar
Milo PV - BD Solar 1 LLCBD Solar 1 LLCMilo, ME25 GWhMay 2021Dec 2023 Solar
Augusta PV - BD Solar Augusta LLCBD Solar Augusta LLCAugusta, ME7 GWhMay 2021Dec 2023 Solar
Fairfield PV - BD Solar Fairfield LLCBD Solar Fairfield LLCFairfield, ME8 GWhMay 2021Dec 2023 Solar
Oxford PV - BD Solar Oxford LLCBD Solar Oxford LLCOxford, ME11 GWhMay 2021Dec 2023 Solar
Blackhorse Farm Solar, LLC CSGAES Distributed EnergyWarren, RI6 GWhNov 2020Dec 2023 Solar
Dynamic Corinth (CSG)MN8 Energy LLCCorinth, ME4 GWhSep 2022Dec 2023 Solar
3104 Batavia Solar3104 Batavia Solar, LLCBatavia, NY5 GWhFeb 2021Dec 2023 Solar
Sugar Hill Solar 1Sugar Hill Solar 1, LLCClifton Park, NY8 GWhNov 2020Dec 2023 Solar
Norton Powerhouse 2Norton Powerhouse 2Worcester, MA29 GWhOct 2022Dec 2023 Natural Gas
Harmony SolarMaine DG Solar Harmony, LLCHarmony, ME9 GWhJul 2022Dec 2023 Solar
Kearsarge West Shore Solar LLCKearsarge West Shore Solar LLCPortsmouth, RI7 GWhNov 2022Dec 2023 Solar
Kearsarge 100 Sohier RdKearsarge Beverly LLCBeverly, MA3 GWhApr 2023Dec 2023 Solar
Kearsarge Smithfield LLCKearsarge Smithfield LLCBurrillville, RI11 GWhMar 2023Dec 2023 Solar
Dynamic MadisonMN8 Energy LLCMadison, ME9 GWhJul 2022Dec 2023 Solar
Centech Gas GeneratorTown of Shrewsbury - (MA)Shrewsbury, MA340 MWhMar 2019Dec 2023 Natural Gas

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#61Alcoa Power Generating, Inc. - Yadkin Division734.7 GWh4
#25Dominion Energy South Carolina, Inc.26.1 TWh85
#13Duke Energy Carolinas111.4 TWh556
#17Duke Energy Progress East65.0 TWh554
#52Duke Energy Progress West4.1 TWh10
#24Louisville Gas and Electric Company and Kentucky Utilities Company33.8 TWh20
#12New York Independent System Operator130.6 TWh1,100
#1PJM Interconnection, LLC858.1 TWh2,305
#29South Carolina Public Service Authority19.2 TWh33
#60Southeastern Power Administration1.4 TWh11

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator190.4 TWh1,943
#8Tennessee Valley Authority158.8 TWh170
#10Florida Power & Light Co.148.6 TWh159
#12New York Independent System Operator130.6 TWh1,100
#13Duke Energy Carolinas111.4 TWh556
#15ISO New England103.1 TWh1,487
#16Bonneville Power Administration82.1 TWh158
#17Duke Energy Progress East65.0 TWh554
#18Salt River Project Agricultural Improvement and Power District58.7 TWh45
#19PacifiCorp East57.3 TWh204