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 Authority	ISO New England
States	Connecticut Maine Massachusetts New Hampshire New York Rhode Island Vermont
Last Update	Nov 2024
Annual Generation	102.8 TWh
Power Plants	1,487
Utilities	782
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 \| 57.6% Nuclear \| 25% Water \| 7.7% Other Fuel \| 4.6% Wind \| 3.3% Solar \| 1.2% Coal \| 0.1%

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Daily Net Generation for ISO New England for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Tihonet Solar	Consolidated Edison Solutions Inc.	Wareham, MA	2 GWh	Apr 2014	Dec 2023	Solar
West Tisbury Generating Facility	Vineyard Reliability LLC	West Tisbury, MA	2 GWh	Dec 1974	Dec 2023	Distillate Fuel Oil
Acushnet Hawes Reed Road	CleanCapital Holdings	Dartmouth, MA	2 GWh	Jun 2012	Dec 2023	Solar
WED Kingstown Solar I, LLC - West	CleanCapital Holdings	Richmond, RI	2 GWh	Nov 2017	Dec 2023	Solar
Onset East Community Solar Facility	Kearsarge Onset LLC	Wareham, MA	2 GWh	Mar 2016	Dec 2022	Solar
Westport MA 2 Community Solar	Navisun LLC	Westport, MA	2 GWh	Aug 2016	Dec 2023	Solar
Naples	Naples Casco Solar 1, LLC	Naples, ME	2 GWh	Nov 2021	Dec 2023	Solar
Waterside Power, LLC	Waterside Power, LLC	Stamford, CT	2 GWh	May 2003	Dec 2023	Distillate Fuel Oil
Indian River Hydro	Eagle Creek Renewable Energy, LLC	Russell, MA	2 GWh	Nov 1909	Dec 2023	Water
IKEA New Haven Rooftop PV & Fuel Cell	IKEA Property Inc	New Haven, CT	2 GWh	Jun 2012	Dec 2023	Natural Gas : 67.0% Solar : 33.0%
Oneida County- DPW	Tesla Inc.	Oriskany, NY	2 GWh	Sep 2017	Dec 2023	Solar
Williamstown Solar	CVI CleanCapital Solar 1 LLC	Williamstown, VT	2 GWh	Nov 2012	Dec 2023	Solar
Town of Norfolk MA at Medway Branch	Luminace Solar Massachusetts, LLC	Norfolk, MA	2 GWh	May 2012	Dec 2023	Solar
Onset West Community Solar Facility	Kearsarge Onset LLC	Wareham, MA	2 GWh	Mar 2016	Dec 2022	Solar
BD Solar Ellsworth LLC	BD Solar Hancock North LLC	Augusta, ME	2 GWh	May 2022	Dec 2023	Solar
BlueWave Capital - Grafton (SREC II)	TerraForm Solar XVII, LLC	Grafton, MA	2 GWh	Feb 2015	Dec 2023	Solar
Scituate Wind	Scituate Wind LLC	Scituate, MA	2 GWh	Feb 2012	Dec 2023	Wind
GD Richmond Buttonwoods I, LLC	GD Richmond Buttonwoods I, LLC	Richmond, RI	2 GWh	Nov 2019	Dec 2023	Solar
ZPD-PT Solar Project 2017-021 LLC Hybrid CSG	AES Distributed Energy	Wilbraham, MA	2 GWh	Dec 2020	Dec 2023	Solar : 99.8%
SVEP Solar Project Company	CVI CleanCapital Solar 1 LLC	Pownal, VT	2 GWh	Nov 2012	Dec 2023	Solar
East Springfield Solar PV	NSTAR Electric Company	Springfield, MA	2 GWh	Sep 2018	Dec 2023	Solar
Kearsarge Fogland	Kearsarge Fogland LLC	Tiverton, RI	2 GWh	Oct 2020	Dec 2023	Solar
Cataract Hydro	Brookfield White Pine Hydro LLC	Saco, ME	2 GWh	Dec 1936	Dec 2023	Water
Brockelman Road Solar 2	Brockelman Road Solar 2, LLC	Lancaster, MA	2 GWh	Jul 2021	Dec 2023	Solar
Woburn	Greenbacker Renewable Energy Corporation	Woburn, MA	2 GWh	Nov 2020	Dec 2023	Solar
Brookfield Wire Company	Dynamic Energy Solutions, LLC	Brookfield, MA	2 GWh	May 2016	Dec 2023	Solar
Deweys Mill	Green Mountain Power Corp	White River Jct., VT	2 GWh	May 1989	Dec 2023	Water
Town of Foxborough - Landfill (SREC II) CSG	Town of Foxborough - Landfill (SREC II)	Foxborough, MA	2 GWh	Jul 2017	Dec 2023	Solar
Williams College - Campus CHP	President & Trustees of Williams College	Williamstown, MA	2 GWh	Feb 2003	Dec 2023	Natural Gas : 93.7% Distillate Fuel Oil : 6.3%
A Street 1	Captona A Street 1 Johnston LLC	Johnston, RI	2 GWh	Nov 2018	Dec 2023	Solar
Lane Ave Solar LLC	AES Distributed Energy	North Brookfield, MA	2 GWh	Aug 2021	Dec 2023	Solar
Agawam Solar	Citizens Enterprises Corporation	Agawam, MA	2 GWh	Feb 2012	Dec 2023	Solar
Brookfield Solar 2013 LLC	CVI CleanCapital Solar 6	North Brookfield, MA	2 GWh	Nov 2013	Dec 2023	Solar
DG Webster LLC CSG	DG Webster, LLC	Webster, MA	2 GWh	Nov 2017	Dec 2023	Solar
Solar Mule, LLC	Solar Mule, LLC	Oakland, ME	2 GWh	Aug 2017	Dec 2023	Solar
Carver	Captona Carver LLC	North Carver, MA	2 GWh	Apr 2017	Dec 2023	Solar
Sullivan Solar	Altus Power America Management, LLC	New Bedford, MA	2 GWh	Jul 2014	Dec 2023	Solar
Concord Solar Farm	Kearsarge Solar LLC	Concord, MA	2 GWh	Mar 2014	Dec 2023	Solar
Holliston LLC	Greenbacker Renewable Energy Corporation	Holliston, MA	2 GWh	Sep 2020	Dec 2023	Solar
Pittsfield Solar (N. Main St)	Maine DG Solar Pittsfield, LLC	Pittsfield, ME	2 GWh	Sep 2023	Dec 2023	Solar
Kearsarge Wilmington	Kearsarge Wilmington LLC	Wilmington, MA	2 GWh	Nov 2017	Dec 2023	Solar
BWC Harlow Brook	BWC Harlow Brook, LLC	Wareham, MA	2 GWh	Nov 2018	Dec 2023	Solar
Nexamp Peak CSG	Nexamp Peak, LLC	Hancock, MA	2 GWh	Nov 2015	Dec 2023	Solar
Main Street Solar Project	Greenbacker Renewable Energy Corporation	Rutland, VT	2 GWh	Nov 2014	Dec 2023	Solar
126 Grove Solar LLC	Altus Power America Management, LLC	Franklin, MA	2 GWh	May 2012	Dec 2023	Solar
Emerald Marshfields, LLC	Emerald Marshfield, LLC	Marshfield, MA	2 GWh	Nov 2022	Dec 2023	Solar
Billings Road	Greenbacker Renewable Energy Corporation	Hardwick, VT	2 GWh	Oct 2021	Dec 2023	Solar
Grafton Solar	CD US Solar MT 2 LLC	Grafton, MA	2 GWh	Sep 2013	Dec 2023	Solar
Route 57 Solar	Citizens Enterprises Corporation	Agawam, MA	2 GWh	Feb 2013	Dec 2023	Solar
Axio Green LLC	Altus Power America Management, LLC	Greenfield Township, MA	2 GWh	May 2012	Dec 2023	Solar
Ventura	Ventura Drive Dartmouth Solar 1, LLC	Dartmouth, MA	2 GWh	May 2022	Dec 2023	Solar
Barre II Solar Project	Kearsarge Solar LLC	Barre, MA	2 GWh	Mar 2014	Dec 2023	Solar
WED Coventry 4	WED Coventry Four, LLC	Coventry, RI	2 GWh	Jul 2016	Dec 2023	Wind
WED NK Green	WED NK Green LLC	North Kingstown, RI	2 GWh	Feb 2012	Dec 2023	Wind
West Boylston Community Shared Solar	Town of West Boylston - (MA)	West Boylston, MA	2 GWh	Nov 2016	Dec 2023	Solar
Merrimac Solar	Consolidated Edison Development Inc.	Merrimac, MA	2 GWh	Nov 2013	Dec 2023	Solar
Westport MA 1 Community Solar	Navisun LLC	Westport, MA	2 GWh	Aug 2016	Dec 2023	Solar
Emerald Gardens PKI, LLC	Emerald Gardens PKI, LLC	Shelton, CT	2 GWh	Sep 2021	Dec 2023	Solar
Whately Solar	Citizens Enterprises Corporation	Whately, MA	2 GWh	Feb 2013	Dec 2023	Solar
Shuman Solar	NuGen Capital Management	Stoughton, MA	2 GWh	Mar 2016	Dec 2023	Solar
Chester Power Partners	Altus Power America Management, LLC	North Chester, VT	2 GWh	Oct 2014	Dec 2023	Solar
Twiss Street Solar	Citizens Enterprises Corporation	Westfield, MA	2 GWh	Dec 2014	Dec 2023	Solar
Easton Landfill	CleanCapital Holdings	Easton, MA	2 GWh	Sep 2013	Dec 2023	Solar
Dartmouth II Solar	Consolidated Edison Development Inc.	Dartmouth, MA	2 GWh	May 2012	Dec 2023	Solar
Griffin Road Solar 2	Griffin Road Solar 2, LLC	Charlton, MA	2 GWh	May 2020	Dec 2023	Solar
General Electric Aircraft Engines	General Electric Aircraft Engines	Lynn, MA	2 GWh	Dec 1947	Aug 2024	Solar
Stow PV	AES Distributed Energy	Stow, MA	2 GWh	Nov 2013	Dec 2023	Solar
Kenmare - Mansfield Branch Street	MN8 Energy LLC	Mansfield, MA	2 GWh	May 2017	Dec 2023	Solar
Ball Mountain Hydro	Eagle Creek Renewable Energy, LLC	Jamaica, VT	2 GWh	Mar 2016	Nov 2023	Water
Southbridge Solar	AES Distributed Energy	Southbridge, MA	2 GWh	Feb 2016	Aug 2024	Solar
Electric Avenue Lunenburg Solar 1	Electric Avenue Lunenburg Solar 1, LLC	Lunenburg, MA	2 GWh	Nov 2021	Dec 2023	Solar
Chatham Landfill	Clean Focus Yield, LLC	Chatham, MA	2 GWh	Aug 2014	Dec 2023	Solar
Westborough Solar LLC	SunRay Power LLC	Westborough, MA	2 GWh	Mar 2014	Dec 2023	Solar
Ludlow Site 72 - Conti	NSTAR Electric Company	Ludlow, MA	2 GWh	Jul 2018	Dec 2023	Solar
Smith & Wesson at Springfield MA PV	Luminace Solar Massachusetts, LLC	Springfield, MA	2 GWh	Jun 2017	Dec 2023	Solar
Lee Site 31 Solar	NSTAR Electric Company	Lee, MA	2 GWh	Jul 2018	Dec 2023	Solar
Orange County Solar Farm (NY)	Tesla Inc.	Goshen, NY	2 GWh	Apr 2017	Dec 2023	Solar
St. Albans SPEED Project	St. Albans Solar Partners, LLC	St. Albans, VT	2 GWh	Nov 2013	Dec 2023	Solar
Orange PV	Terraform Arcadia	Orange, MA	2 GWh	Jun 2013	Dec 2023	Solar
Wrightsville Hydro Plant	Washington Electric Coop - (VT)	Montpelier, VT	2 GWh	Aug 1985	Dec 2023	Water
Winchendon Solar	Altus Power America Management, LLC	Winchendon, MA	2 GWh	Mar 2014	Dec 2023	Solar
Berkshire 1	PPS Berkshire Solar LLC	Sheffield, MA	2 GWh	Nov 2011	Dec 2023	Solar
GenConn Devon LLC	GenConn Devon LLC	Milford, CT	2 GWh	May 2010	Dec 2023	Kerosene : 96.0% Natural Gas : 4.0%
WED Coventry 1	WED Coventry One, LLC	Coventry, RI	2 GWh	Sep 2016	Dec 2023	Wind
Douglas Pike Solar, LLC	Navisun LLC	Burrillville, RI	2 GWh	May 2023	Dec 2023	Solar
WED Coventry 3	WED Coventry Three, LLC	Coventry, RI	2 GWh	Jul 2016	Dec 2023	Wind
BWC Pocasset River	BWC Pocasset River, LLC	Wareham, MA	2 GWh	Nov 2018	Dec 2023	Solar
CMEEC - Norwich Stott St Solar Hybrid	Tesla Inc.	Norwich, CT	2 GWh	Nov 2016	Dec 2023	Solar
Theodore Drive Community Solar	Theodore Drive Solar, LLC	Westminster, MA	2 GWh	Feb 2018	Dec 2023	Solar
Town of Ware - Canadian Tree(CSG)	MA CS Ware West, LLC	Ware, MA	2 GWh	Nov 2021	Dec 2023	Solar
Mashpee Landfill Solar	Nautilus Solar Solutions	Mashpee, MA	2 GWh	Aug 2014	Dec 2023	Solar
Niagara Depot Solar	Niagara Depot Solar, LLC	Niagara Falls, NY	2 GWh	Jun 2023	Dec 2023	Solar
WED Coventry 5	Greenbacker Renewable Energy Corporation	Coventry, RI	2 GWh	Feb 2017	Dec 2023	Wind
Norton Landfill Solar	Citizens Enterprises Corporation	Norton, MA	2 GWh	Dec 2016	Dec 2023	Solar
Hillsborough Hosiery	Silverstreet Hydro	Hillsboro, NH	2 GWh	Nov 1989	Dec 2023	Water
Town of Lexington Solar	Syncarpha Lexington, LLC	Lexington, MA	2 GWh	Apr 2017	Dec 2023	Solar
Barton Solar Farm	Barton Solar, LLC	Barton, VT	2 GWh	Oct 2014	Dec 2023	Solar
Coventry Photovoltaic, LLC	Coventry Photovoltaic, LLC	Coventry, VT	2 GWh	Jul 2014	Dec 2023	Solar
BWC Swan Pond River CSG	BWC Swan Pond River, LLC	Rehoboth, MA	2 GWh	Nov 2015	Dec 2023	Solar
301 Chestnut Solar NG	NuGen Capital Management	East Longmeadow, MA	2 GWh	Mar 2017	Dec 2023	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	894.0 GWh	4
#25	Dominion Energy South Carolina, Inc.	26.0 TWh	85
#13	Duke Energy Carolinas	110.9 TWh	556
#17	Duke Energy Progress East	63.3 TWh	554
#51	Duke Energy Progress West	4.1 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.2 TWh	20
#12	New York Independent System Operator	130.0 TWh	1,100
#1	PJM Interconnection, LLC	843.8 TWh	2,305
#31	South Carolina Public Service Authority	17.9 TWh	33
#60	Southeastern Power Administration	1.6 TWh	11

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#7	California Independent System Operator	191.5 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.7 TWh	159
#12	New York Independent System Operator	130.0 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556
#15	ISO New England	102.8 TWh	1,487
#16	Bonneville Power Administration	80.0 TWh	158
#17	Duke Energy Progress East	63.3 TWh	554
#18	Salt River Project Agricultural Improvement and Power District	59.0 TWh	45
#19	PacifiCorp East	52.6 TWh	204