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 Nov 2025
Annual Generation 105.5 TWh
Power Plants1,577
Utilities819
Ranked #15 out of 65 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 55.8% Nuclear | 26% Water | 5% Other Fuel | 4.4% Wind | 4% Solar | 1.5% 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 401 to 500 of 1,306
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Antrim WindAntrim Wind Energy LLCAntrim, NH75 GWhNov 2019Sep 2025 Wind
Long Plain SolarLong Plain Solar, LLCWhatley, MA4 GWhNov 2019Dec 2024 Solar
Oak Street SolarCitizens Enterprises CorporationSpringfield, MA6 GWhNov 2019Dec 2024 Solar
University Solar, LLCAES Distributed EnergyWest Greenwich, RI27 GWhNov 2019Sep 2025 Solar
One PatriotBloom EnergyFoxborough, MA16 GWhNov 2019Dec 2024 Natural Gas
Founders Homestead Farms SolarAES Distributed EnergyPortsmouth, RI6 GWhNov 2019Sep 2025 Solar
GD Richmond Buttonwoods I, LLCGD Richmond Buttonwoods I, LLCRichmond, RI2 GWhNov 2019Dec 2024 Solar
GD West Greenwich Victory I, LLCGD West Greenwich Victory I, LLCWest Greenwich, RI3 GWhNov 2019Dec 2024 Solar
DWW Solar llDWW Solar ll LLCSimsbury, CT52 GWhNov 2019Sep 2025 Solar
CED Northampton Solar LLC HybridConsolidated Edison Development Inc.Northampton, MA7 GWhNov 2019Dec 2024 Solar
MHG WallingfordStandard SolarWallingford, VT4 GWhNov 2019Dec 2024 Solar
Holiday Hill Community WindGreenbacker Renewable Energy CorporationRussell, MA10 GWhNov 2019Dec 2024 Wind
Alton Road SolarRevity Energy LLCBradford, RI24 GWhNov 2019Dec 2024 Solar
Syncarpha Blandford Hybrid CSGSyncarpha Blandford, LLCBlandford, MA8 GWhNov 2019Dec 2024 Solar
West Street Solar 1 LLCAES Distributed EnergyGardner, MA9 GWhNov 2019Dec 2024 Solar
Hadley 3 Solar (South)Hadley 3 Solar, LLC (South)Hadley, MA3 GWhNov 2019Dec 2024 Solar
Sherman SolarEcos Energy LLCGriswold, CT1 GWhNov 2019Dec 2024 Solar
Jackson Solar (CT)Ecos Energy LLCGriswold, CT1 GWhNov 2019Dec 2024 Solar
Hadley 3 Solar (North)Hadley 3 Solar, LLC (North)Hadley, MA3 GWhNov 2019Dec 2024 Solar
CP Middletown Solar I LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
CP Middletown Solar II LLCGreen Street Power PartnersMiddletown, CT2 GWhNov 2019Dec 2024 Solar
Kearsarge Amesbury HybridKearsarge Amesbury LLCAmesbury, MA5 GWhNov 2019Dec 2024 Solar
Ashland SolarCitizens Enterprises CorporationAshland, MA7 GWhNov 2019Dec 2024 Solar
Hampden Solar PVNSTAR Electric CompanyHampden, MA6 GWhOct 2019Dec 2024 Solar
East Longmeadow Solar PVNSTAR Electric CompanyEast Longmeadow, MA5 GWhSep 2019Dec 2024 Solar
PalmerAES Distributed EnergyPalmer, MA6 GWhSep 2019Dec 2024 Solar
Happy Hollow CSG HybridREA Investments, LLCWinchendon, MA9 GWhSep 2019Dec 2024 Solar
Gardner - Otter River RoadOtter River Road Solar LLCGardner, MA4 GWhSep 2019Dec 2024 Solar
Amazon BDL3 Solar ProjectSolar Star Prime 1 LLCNew Haven, CT2 GWhSep 2019Dec 2024 Solar
Hope Farm Solar, LLCAdapture Renewables, Inc.Cranston, RI16 GWhAug 2019Dec 2024 Solar
GMP Solar/Storage-Milton HybridGreen Mountain Power CorpMilton, VT7 GWhAug 2019Sep 2025 Solar : 98.6% Electricity used for energy storage : 1.4%
GMP Solar/Storage-Ferrisburgh HybridGreen Mountain Power CorpFerrisburgh, VT8 GWhAug 2019Sep 2025 Solar : 98.7% Electricity used for energy storage : 1.3%
GMP Solar/Storage-Essex HybridGreen Mountain Power CorpEssex, VT7 GWhAug 2019Sep 2025 Solar : 98.6% Electricity used for energy storage : 1.4%
Connecticut CollegeBloom EnergyNew London, CT9 GWhAug 2019Dec 2024 Natural Gas
Nautilus Goat Island Solar LLC (CSG)Nautilus Solar SolutionsBurrillville, RI4 GWhJul 2019Dec 2024 Solar
Wachusett SolarWachusett Solar, LLCRutland, MA4 GWhJul 2019Dec 2024 Solar
WilliamsburgAES Distributed EnergyGoshen, MA7 GWhJun 2019Dec 2024 Solar
Pulpit HillLSE Fornax LLCAmherst, MA7 GWhJun 2019Dec 2024 Solar
Millbury MA #1092Millbury MA #1092 LLCMillbury, MA2 GWhMay 2019Dec 2024 Solar
Plainfield PikeCaptona Plainfield Pike Johnston LLCJohnston, RI4 GWhMay 2019Dec 2024 Solar
Gold Meadow FarmsCaptona Lippitt Ave Cranston LLCCranston, RI28 GWhApr 2019Dec 2024 Solar
Signature Breads ChelseaJDC 65R Owner, LLCChelsea, MA2 MWhApr 2019Dec 2023 Distillate Fuel Oil
Carver CSGAltus Power America Management, LLCCarver, MA4 GWhApr 2019Dec 2024 Solar
Westtown CSGAltus Power America Management, LLCWesttown, NY3 GWhApr 2019Dec 2024 Solar
Hopkinton CSGAltus Power America Management, LLCHopkinton, MA3 GWhMar 2019Dec 2024 Solar
Centech Gas GeneratorTown of Shrewsbury - (MA)Shrewsbury, MA537 MWhMar 2019Dec 2024 Natural Gas
Exelon West Medway II LLCConstellation Power, IncMedway, MA171 GWhFeb 2019Sep 2025 Natural Gas : 97.7% Kerosene : 2.3%
Bowden Solar LLC38DN Power Fund 1 LLCMonson, MA3 GWhFeb 2019Dec 2024 Solar
Savoy Solar PVNSTAR Electric CompanySavoy, MA3 GWhJan 2019Dec 2024 Solar
Southampton Solar PVNSTAR Electric CompanySouthampton, MA3 GWhJan 2019Dec 2024 Solar
Plainfield Community Solar LLCPlainfield Solar LLCPlainfield, MA3 GWhJan 2019Dec 2024 Solar
GSPP Raynham TMLP, LLC CSGGreen Street Power PartnersRaynham, MA4 GWhJan 2019Dec 2024 Solar
GSPP Terrawatt Westfield LLC CSGGreen Street Power PartnersWestfield, MA6 GWhJan 2019Dec 2024 Solar
Ward Solar 1, LLCREA Investments, LLCCarver, MA3 GWhJan 2019Dec 2024 Solar
Greenfield Solar PVNSTAR Electric CompanyGreenfield, MA3 GWhDec 2018Dec 2024 Solar
Hinsdale Solar PVNSTAR Electric CompanyHinsdale, MA3 GWhDec 2018Dec 2024 Solar
Springfield Solar PVNSTAR Electric CompanySpringfield, MA6 GWhDec 2018Dec 2024 Solar
Southwick Solar PVNSTAR Electric CompanySouthwick, MA8 GWhDec 2018Sep 2025 Solar
WED Green Hill, LLCWED Green Hill, LLCJohnston, RI7 GWhDec 2018Sep 2025 Wind
WED Plainfield II, LLCWED Plainfield II, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Plainfield III, LLCWED Plainfield III, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Plainfield, LLCWED Plainfield, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Shun I, LLCWED Shun I, LLCJohnston, RI8 GWhDec 2018Sep 2025 Wind
WED Shun II, LLCWED Shun II, LLCJohnston, RI6 GWhDec 2018Dec 2024 Wind
WED Shun III, LLCWED Shun III, LLCJohnston, RI7 GWhDec 2018Dec 2024 Wind
Merrimack Solar Farm, LLCMerrimack Solar FarmMerrimack, NH4 GWhDec 2018Dec 2024 Solar
WED GW Solar, LLCCleanCapital HoldingsLincoln, RI4 GWhDec 2018Dec 2024 Solar
GSPP Boxborough Littleton (MA)GSPP Boxborough Littleton, LLCBoxborough, MA6 GWhDec 2018Dec 2024 Solar
GSPP Devens, LLCGreen Street Power PartnersAyer, MA3 GWhDec 2018Dec 2024 Solar
A Street 1Captona A Street 1 Johnston LLCJohnston, RI2 GWhNov 2018Dec 2024 Solar
North Smithfield Solar Power 1AEP Onsite Partners, LLCNorth Smithfield, RI1 GWhNov 2018Dec 2024 Solar
Woods Hill SolarWoods Hill Solar, LLCPomfret, CT25 GWhNov 2018Sep 2025 Solar
Coolidge Solar 1, LLCCoolidge Solar I, LLCLudlow, VT24 GWhNov 2018Sep 2025 Solar
Wareham Solar PVNSTAR Electric CompanyWareham, MA1 GWhNov 2018Dec 2024 Solar
Lakeville SolarC2 MA Lakeville, LLCLakeville, MA4 GWhNov 2018Dec 2024 Solar
Hatfield Solar PVNSTAR Electric CompanyHatfield, MA6 GWhNov 2018Dec 2024 Solar
Richmond NMCAAES Distributed EnergyWood River Junction, RI6 GWhNov 2018Sep 2025 Solar
BWC Origination 18BWC Origination 18, LLCMattapoisett, MA8 GWhNov 2018Dec 2024 Solar
BWC Gibbs BrookBWC Gibbs Brook, LLCWareham, MA6 GWhNov 2018Dec 2024 Solar
BWC Wareham RiverBWC Wareham River, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
BWC Harlow BrookBWC Harlow Brook, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
BWC Pocasset RiverBWC Pocasset River, LLCWareham, MA2 GWhNov 2018Dec 2024 Solar
Washburn Road SolarREA Investments, LLCFreetown, MA3 GWhNov 2018Dec 2024 Solar
Adirondack A+B Community Solar GardenBWC Connecticut River LLCWestport, MA8 GWhNov 2018Dec 2024 Solar
Georges River EnergyRobbins Lumber IncSearsmont, ME52 GWhNov 2018Dec 2024 Wood/Wood Waste Solids
A Street 2Captona A Street 2 Johnston LLCJohnston, RI3 GWhNov 2018Dec 2024 Solar
KilvertCaptona Kilvert Street Warwick LLCWarwick, RI8 GWhNov 2018Dec 2024 Solar
Rochester MA 2Rochester MA 2 LLCRochester, MA2 GWhNov 2018Dec 2024 Solar
Wendell MA 1Wendell MA 1 LLCWendell, MA1 GWhNov 2018Dec 2024 Solar
Millis MA 1Millis MA 1 LLCMillis, MA2 GWhOct 2018Dec 2024 Solar
Tanglewood Circle Solar 1 LLCTanglewood Circle Solar 1 LLCBecket, MA8 GWhOct 2018Dec 2024 Solar
Westport B Community Solar GardenBWC Hamilton Brook LLCWestport, MA7 GWhOct 2018Dec 2024 Solar
Manchester Community College NorthOnyx Asset Services GroupGreat Path, CT1 GWhSep 2018Dec 2024 Solar
Manchester Community College EastOnyx Asset Services GroupManchester, CT2 GWhSep 2018Dec 2024 Solar
Kearsarge SKSC2 LLCKearsarge SKSC2 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2024 Solar
Kearsarge SKSC1 LLCKearsarge SKSC1 LLCSouth Kingstown, RI6 GWhSep 2018Dec 2024 Solar
Winchendon Landfill SolarOnyx Asset Services GroupWinchendon, MA3 GWhSep 2018Dec 2024 Solar
North ProvidenceCaptona N.P. LLCNorth Providence, RI3 GWhSep 2018Dec 2024 Solar
Westminster Renewables, LLC CSGWestminster Renewables, LLCWestminster, MA2 GWhSep 2018Dec 2024 Solar
Battle Creek SolarEcos Energy LLCBennington, VT3 GWhSep 2018Dec 2024 Solar

Surrounding Balancing Authorities

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England105.5 TWh1,577
#16Bonneville Power Administration80.5 TWh163
#17Duke Energy Progress East64.3 TWh559
#18PacifiCorp East61.1 TWh216
#19Salt River Project Agricultural Improvement and Power District60.0 TWh48