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 Plants1,561
Utilities814
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 | 57.1% Nuclear | 24.7% Water | 6.3% 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

500k500k400k400k300k300k200k200k100k100k00Jul '22Jul '2220232023Jul '23Jul '2320242024Jul '24Jul '2420252025
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List of All ISO New England Power Plants

Displaying Results 1 to 100 of 1,270
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
BRNG Nicolin (CSG)Nautilus Solar SolutionsEllsworth, ME205 MWhNov 2024Dec 2024 Solar
Lebanon CSG LLCDimension Energy LLCLebanon, ME64 MWhNov 2024Dec 2024 Solar
Walden Solar Maine VWalden Solar Maine V LLCLeeds, ME76 MWhNov 2024Dec 2024 Solar
Mechanic Street (CSG)Nautilus Solar SolutionsPresque Island, ME3 MWhNov 2024Dec 2024 Solar
Raffia Road Solar ProjectNJR Clean Energy Ventures CorporationEnfield, CT11 MWhNov 2024Dec 2024 Solar
Exeter Ten (CSG)Nautilus Solar SolutionsExeter, RI10 MWhNov 2024Dec 2024 Solar
Norfolk Landfill Solar ProjectNJR Clean Energy Ventures CorporationNorfolk, CT494 MWhNov 2024Dec 2024 Solar
Limestone CSG 1 LLCLimestone CSG 1 LLCLimestone, ME5 MWhNov 2024Dec 2024 Solar
Missile Street (CSG)Nautilus Solar SolutionsPresque Island, ME4 MWhNov 2024Dec 2024 Solar
Dynamic - Norridgewock Martin Stream (CSG)Nautilus Solar SolutionsNorridgewock, ME206 MWhOct 2024Dec 2024 Solar
Mars HillGreenbacker Renewable Energy CorporationMars Hill, ME95 MWhOct 2024Dec 2024 Solar
Dynamic - Leeds Solar (CSG)Nautilus Solar SolutionsLeeds, ME473 MWhOct 2024Dec 2024 Solar
BNRG Norridgewock (CSG)Nautilus Solar SolutionsNorridgewock, ME171 MWhOct 2024Dec 2024 Solar
FedEx MiddletownVCP Realty, LLCMiddletown, CT151 MWhOct 2024Dec 2024 Solar
BNRG North Anson (CSG)Nautilus Solar SolutionsNorth Anson, ME143 MWhOct 2024Dec 2024 Solar
Limestone CSG 2 LLCLimestone CSG 2 LLCLimestone, ME62 MWhOct 2024Dec 2024 Solar
Swaggertown Solar IGreen Street Power PartnersGlenville, NY122 MWhOct 2024Dec 2024 Solar
Dairy FarmGreenbacker Renewable Energy CorporationAnson, ME542 MWhSep 2024Dec 2024 Solar
ME Novel Lighthouse - Penobscot CSGLuminace Sunbeam Development Holdings, LLCPatten, ME812 MWhAug 2024Dec 2024 Solar
Swaggertown Solar IIGreen Street Power PartnersGlenville, NY1 GWhAug 2024Dec 2024 Solar
Brewer (CSG)Nautilus Solar SolutionsBrewer, ME2 GWhJul 2024Dec 2024 Solar
Pike Road Solar (NY)RPNY Solar 6, LLCBatavia, NY2 GWhJun 2024Dec 2024 Solar
Three Corners SolarThree Corners Solar, LLCUnity, ME133 GWhJun 2024Mar 2025 Solar
Clemons Road SolarRPNY Solar 4, LLCMinoa, NY1 GWhJun 2024Dec 2024 Solar
Randall Road Solar IGreen Street Power PartnersBallston Spa, NY2 GWhJun 2024Dec 2024 Solar
Randall Road Solar IIGreen Street Power PartnersBallston Spa, NY1 GWhJun 2024Dec 2024 Solar
Alexander Road SolarRPNY Solar 7, LLCBatavia, NY943 MWhJun 2024Dec 2024 Solar
MA-Dighton-AMA CS Dighton, LLCDighton, MA2 GWhMay 2024Dec 2024 Solar
15 Glen Harris RDME Sandy River LLCNew Sharon, ME2 GWhMay 2024Dec 2024 Solar
Canton GLC Solar, LLCREA Investments, LLCCanton, ME4 GWhMar 2024Dec 2024 Solar
Enfield Solar OneEnfield Solar One, LLCHartford, CT5 GWhMar 2024Dec 2024 Solar
North Haven Solar OneNorth Haven Solar One, LLCNorth Haven, CT3 GWhFeb 2024Dec 2024 Solar
Bristol Landfill SolarNuGen Capital ManagementBristol, RI8 GWhFeb 2024Dec 2024 Solar
Skyway Avenue Solar FarmREA Investments, LLCFrenchville, ME1 GWhFeb 2024Oct 2024 Solar
Westport Stone & Sand Solar (CSG)AES Clean EnergyWestport, MA6 GWhFeb 2024Dec 2024 Solar
Athens RidgeGreenbacker Renewable Energy CorporationAthens, ME4 GWhFeb 2024Dec 2024 Solar
SR North StoningtonSR North Stonington, LLCNorth Stonington, CT13 GWhFeb 2024Dec 2024 Solar
Sanford -NYNautilus Solar SolutionsSanford, ME7 GWhJan 2024Dec 2024 Solar
Easton CSG 1 LLCEaston CSG 1 LLCEaston, ME5 GWhJan 2024Dec 2024 Solar
Derby Fuel CellDerby Fuel Cell LLCDerby, CT106 GWhDec 2023Dec 2024 Natural Gas
ME Augusta 13 York Farm Rd SolarSOL ME Augusta 13 York Farm, LLCAugusta, ME1 GWhDec 2023Dec 2024 Solar
Caterpillar HillAES Clean EnergySedgwick, ME9 GWhNov 2023Dec 2024 Solar
Plympton Main Street Solar, LLCREA Investments, LLCPlympton, MA8 GWhNov 2023Dec 2024 Solar
Cenergy - KigerLuminace Sunbeam Development Holdings, LLCEmbden, ME2 GWhNov 2023Dec 2024 Solar
ME Novel Lighthouse - CarrabassettLuminace Sunbeam Development Holdings, LLCCarrabassett Valley, ME5 GWhNov 2023Dec 2024 Solar
GSPP 126 Little Bow Rd S, LLCGreen Street Power PartnersGouverneur, NY4 GWhNov 2023Dec 2024 Solar
South Street - MiddleburyGreenbacker Renewable Energy CorporationMiddlebury, VT3 GWhNov 2023Dec 2024 Solar
Robin Hollow SolarRobin Hollow Solar, LLCWest Greenwich, RI70 GWhNov 2023Mar 2025 Solar
FarmingtonMadison Energy Investments LLCFarmington, ME6 GWhNov 2023Dec 2024 Solar
Richmond HillGreenbacker Renewable Energy CorporationRichmond, ME3 GWhNov 2023Dec 2024 Solar
Acushnet MA 1Navisun LLCAcushnet, MA59 MWhNov 2023Dec 2023 Solar
ME-EDFR-Phase I-EmbdenTower Solar Partners, LLCEmbden, ME8 GWhNov 2023Dec 2024 Solar
ME - EDFR - Phase I - BristolOverlook Solar Partners, LLCBristol, ME6 GWhNov 2023Nov 2024 Solar
Pleasant StreetGreenbacker Renewable Energy CorporationWilton, ME5 GWhNov 2023Dec 2024 Solar
Park SolarEcos Energy LLCWoodbridge, CT866 MWhNov 2023Dec 2024 Solar
GSPP 126 Little Bow Rd N, LLCGreen Street Power PartnersGouverneur, NY3 GWhNov 2023Dec 2024 Solar
Rhode Island Solar Renewable Energy IV,Rhode Island Solar Renewable Energy IV, LLCTiverton, RI21 GWhNov 2023Dec 2024 Solar
Saratoga Solar III, LLCGreen Street Power PartnersMiddle Grove, NY6 GWhNov 2023Dec 2024 Solar
Dry Bridge Solar (Brown University)MN8 Energy LLCNorth Kingstown, RI67 GWhOct 2023Mar 2025 Solar
Arctaris Saddleback SolarArctaris Saddleback Solar, LLCDallas Plantation, ME5 GWhOct 2023Dec 2024 Solar
ASD Cotuit MA Solar LLCASD Cotuit MA Solar LLCSandwich, MA2 GWhOct 2023Dec 2024 Solar
Corkwood Solar (CSG)NextGrid Corkwood, LLCHowland, ME5 GWhOct 2023Dec 2024 Solar
Gorham Solar 1 (CSG)CleanCapital HoldingsGorham, ME8 GWhOct 2023Dec 2024 Solar
Sabattus SB01Nautilus Solar SolutionsSabattus, ME8 GWhSep 2023Dec 2024 Solar
StandishNautilus Solar SolutionsStandish, ME7 GWhSep 2023Dec 2024 Solar
Saratoga Solar IV, LLCGreen Street Power PartnersRock City Falls, NY4 GWhSep 2023Dec 2024 Solar
Pittsfield Solar (N. Main St)Maine DG Solar Pittsfield, LLCPittsfield, ME8 GWhSep 2023Dec 2024 Solar
Cenergy - Richards (CSG)Luminace Sunbeam Development Holdings, LLCFairfield, ME2 GWhSep 2023Dec 2024 Solar
Broadway Solar (CSG)NextGrid Bitterbush, LLCBangor, ME5 GWhAug 2023Dec 2024 Solar
ME-EDFR-Phase I-WoolwichGreen Mile Solar, LLCWoolwich, ME7 GWhAug 2023Dec 2024 Solar
5 BerryMadison Energy Investments LLCPlainsville, MA4 GWhAug 2023Dec 2024 Solar
Howard Lane SolarNJR Clean Energy Ventures CorporationGlocester, RI4 GWhAug 2023Nov 2024 Solar
CaribouAltus Power America Management, LLCCaribou, ME6 GWhJul 2023Dec 2024 Solar
Dynamic Energy CT STAGMilford Pepes Farm Road Solar LLCMilford, CT2 GWhJul 2023Dec 2024 Solar
Gray SolarEcos Energy LLCRutland, VT3 GWhJul 2023Dec 2024 Solar
Fort FairfieldStandard SolarFort Fairfield, ME8 GWhJul 2023Dec 2024 Solar
Niagara Depot SolarNiagara Depot Solar, LLCNiagara Falls, NY5 GWhJun 2023Dec 2024 Solar
118 EchoMadison Energy Investments LLCMashpee, MA4 MWhJun 2023Dec 2024 Solar
MEVS DOT 109MEVS DOT, LLCAugusta, ME4 GWhJun 2023Dec 2024 Solar
WaterboroMadison Energy Investments LLCEast Waterboro, ME3 GWhJun 2023Dec 2024 Solar
Cenergy - Wiscasset (CSG)Luminace Sunbeam Development Holdings, LLCWiscasset, ME9 GWhJun 2023Dec 2024 Solar
Samoset SolarSamoset Solar, LLCRockport, ME4 GWhJun 2023Dec 2024 Solar
Cenergy - Waterville (CSG)Luminace Sunbeam Development Holdings, LLCWaterville, ME9 GWhJun 2023Dec 2024 Solar
3ColtonMadison Energy Holdings LLCMillbury, MA5 GWhJun 2023Dec 2024 Solar
Nutting Ridge Solar, LLCREA Investments, LLCOtisfield, ME6 GWhMay 2023Dec 2024 Solar
Douglas Pike Solar, LLCNavisun LLCBurrillville, RI2 GWhMay 2023Dec 2023 Solar
GSPP 4643 Twelve Corners Road, LLCGreen Street Power PartnersAuburn, NY8 GWhMay 2023Dec 2024 Solar
SidneyNautilus Solar SolutionsSidney, ME2 GWhApr 2023Dec 2024 Solar
ME Novel Lighthouse - Front St. Solar CSLuminace Sunbeam Development Holdings, LLCSkowhegan, ME4 GWhApr 2023Dec 2024 Solar
LoringAltus Power America Management, LLCLimestone, ME6 GWhApr 2023Dec 2024 Solar
Kearsarge 100 Sohier RdKearsarge Beverly LLCBeverly, MA3 GWhApr 2023Dec 2023 Solar
BWC Beech Ridge Brook, LLCNavisun LLCScarborough, ME5 GWhApr 2023Dec 2023 Solar
FryeburgNautilus Solar SolutionsFryeburg, ME9 GWhApr 2023Dec 2024 Solar
Treasure Lane Solar 1AES Clean EnergyManchester, ME7 GWhApr 2023Dec 2024 Solar
GSPP 7024 Fox Rd, LLCGreen Street Power PartnersMarcy, NY8 GWhApr 2023Dec 2024 Solar
Kearsarge Smithfield LLCKearsarge Smithfield LLCBurrillville, RI14 GWhMar 2023Dec 2024 Solar
Kearsarge Upper UnionKearsarge Upper Union LLCFranklin, MA2 GWhFeb 2023Dec 2024 Solar
NortonMadison Energy Holdings LLCNorton, MA1 GWhFeb 2023Dec 2024 Solar
GSPP NESV, LLCGreen Street Power PartnersAttleboro, MA2 GWhFeb 2023Dec 2024 Solar
OverlookWestbound Solar 3, LLCWestminster, MA7 GWhFeb 2023Dec 2024 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#61Alcoa Power Generating, Inc. - Yadkin Division752.1 GWh4
#25Dominion Energy South Carolina, Inc.26.0 TWh87
#13Duke Energy Carolinas111.8 TWh565
#17Duke Energy Progress East65.0 TWh558
#52Duke Energy Progress West4.1 TWh10
#24Louisville Gas and Electric Company and Kentucky Utilities Company33.6 TWh25
#12New York Independent System Operator130.3 TWh1,191
#1PJM Interconnection, LLC856.7 TWh2,429
#29South Carolina Public Service Authority19.4 TWh34
#60Southeastern Power Administration1.5 TWh11

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#7California Independent System Operator191.1 TWh2,051
#8Tennessee Valley Authority158.8 TWh204
#10Florida Power & Light Co.149.0 TWh187
#12New York Independent System Operator130.3 TWh1,191
#13Duke Energy Carolinas111.8 TWh565
#15ISO New England103.1 TWh1,561
#16Bonneville Power Administration81.7 TWh163
#17Duke Energy Progress East65.0 TWh558
#18Salt River Project Agricultural Improvement and Power District58.9 TWh48
#19PacifiCorp East57.6 TWh215