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%

Map of ISO New England

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for ISO New England.

Create Your Account Today

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

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Chicopee Granby Road Solar	Citizens Enterprises Corporation	Chicopee, MA	2 GWh	Dec 2014	Dec 2023	Solar
Front Street	City of Chicopee - (MA)	Chicopee, MA	476 MWh	Dec 1977	Dec 2023	Distillate Fuel Oil
Chicopee Solar	Citizens Enterprises Corporation	Chicopee, MA	5 GWh	Nov 2013	Dec 2023	Solar
CED Chicopee Solar	Consolidated Edison Development Inc.	Chicopee, MA	5 GWh	Jun 2017	Dec 2023	Solar
Chicopee	Captona Chicopee LLC	Chicopee, MA	2 GWh	Mar 2017	Dec 2023	Solar
Oakfield Wind Project	Onward Energy	City of Oakfield, ME	316 GWh	Sep 2015	Aug 2024	Wind
Lower Village Water Power Project	Sugar River Power LLC	Claremont, NH	6 GWh	Apr 1995	Dec 2023	Water
Sugar Hill Solar 1	Sugar Hill Solar 1, LLC	Clifton Park, NY	8 GWh	Nov 2020	Dec 2023	Solar
Silver Maple	WEB Silver Maple Wind LLC	Clifton, ME	52 GWh	Sep 2022	Dec 2023	Wind
Pisgah Mountain Wind	Pisgah Mountain, LLC	Clifton, ME	24 GWh	Nov 2016	Dec 2023	Wind
Cosgrove Intake and Power Station	Massachusetts Water Res Auth	Clinton, MA	5 GWh	Dec 1968	Dec 2023	Water
Generate Colchester Fuel Cells, LLC	Generate Colchester Fuel Cells, LLC	Colchester, CT	82 GWh	Sep 2021	Dec 2023	Natural Gas
Colchester 16	Green Mountain Power Corp	Colchester, VT	4 MWh	Sep 1965	Dec 2023	Distillate Fuel Oil
Wind Colebrook South	Wind Colebrook South	Colebrook, CT	10 GWh	Oct 2015	Aug 2024	Wind
Concord Solar Farm	Kearsarge Solar LLC	Concord, MA	2 GWh	Mar 2014	Dec 2023	Solar
Kearsarge Concord II	Kearsarge Concord II LLC	Concord, MA	7 GWh	Dec 2016	Dec 2023	Solar
Wheelabrator Concord Facility	Wheelabrator Environmental Systems	Concord, NH	94 GWh	Mar 1989	Aug 2024	Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Deerfield 2	Great River Hydro, LLC	Conway, MA	39 GWh	Jul 1913	Dec 2023	Water
Dynamic Corinth (CSG)	MN8 Energy LLC	Corinth, ME	4 GWh	Sep 2022	Dec 2023	Solar
WED Coventry Seven, LLC	WED Coventry Seven, LLC	Coventry, RI	5 GWh	Nov 2020	Dec 2023	Solar
WED Coventry 6	Greenbacker Renewable Energy Corporation	Coventry, RI	7 GWh	Jul 2016	Aug 2024	Wind
WED Coventry 1	WED Coventry One, LLC	Coventry, RI	2 GWh	Sep 2016	Dec 2023	Wind
WED Coventry 2	WED Coventry Two, LLC	Coventry, RI	6 GWh	Jul 2016	Aug 2024	Wind
WED Coventry 3	WED Coventry Three, LLC	Coventry, RI	2 GWh	Jul 2016	Dec 2023	Wind
WED Coventry 4	WED Coventry Four, LLC	Coventry, RI	2 GWh	Jul 2016	Dec 2023	Wind
WED Coventry 5	Greenbacker Renewable Energy Corporation	Coventry, RI	2 GWh	Feb 2017	Dec 2023	Wind
Coventry Photovoltaic, LLC	Coventry Photovoltaic, LLC	Coventry, VT	2 GWh	Jul 2014	Dec 2023	Solar
Coventry Clean Energy Corporation	Washington Electric Coop - (VT)	Coventry, VT	52 GWh	Jun 2005	Dec 2023	Landfill Gas
Hope Farm Solar, LLC	Adapture Renewables, Inc.	Cranston, RI	16 GWh	Aug 2019	Dec 2023	Solar
ISM Solar Cranston CSG	Nautilus Solar Solutions	Cranston, RI	4 GWh	Nov 2020	Dec 2023	Solar
Central Power Plant	State of Rhode Island	Cranston, RI	19 GWh	Jul 1958	Aug 2024	Natural Gas
Gold Meadow Farms	Captona Lippitt Ave Cranston LLC	Cranston, RI	27 GWh	Apr 2019	Dec 2023	Solar
GD Johnson Scituate I, LLC	GD Johnson Scituate I, LLC	Cranston, RI	6 GWh	Nov 2021	Dec 2023	Solar
Arctaris Saddleback Solar	Arctaris Saddleback Solar, LLC	Dallas Plantation, ME	201 MWh	Oct 2023	Dec 2023	Solar
Danbury Hospital Cogen Plant	Danbury Hospital	Danbury, CT	26 GWh	Oct 2011	Dec 2023	Natural Gas
Stetson Wind II	Evergreen Wind, LLC	Danforth, ME	46 GWh	Feb 2010	Dec 2023	Wind
Stetson Wind I	Evergreen Wind, LLC	Danforth, ME	107 GWh	Dec 2008	Dec 2023	Wind
West Danville 15	Green Mountain Power Corp	Danville, VT	4 GWh	Dec 1916	Dec 2023	Water
Dartmouth II Solar	Consolidated Edison Development Inc.	Dartmouth, MA	2 GWh	May 2012	Dec 2023	Solar
Acushnet- High Hill	CleanCapital Holdings	Dartmouth, MA	4 GWh	Feb 2013	Dec 2023	Solar
Dartmouth Landfill	CleanCapital Holdings	Dartmouth, MA	2 GWh	Jan 2013	Dec 2023	Solar
Dartmouth Solar	Consolidated Edison Development Inc.	Dartmouth, MA	3 GWh	Feb 2011	Dec 2023	Solar
Dartmouth	Mass Solar, LLC	Dartmouth, MA	9 GWh	Mar 2014	Dec 2023	Solar
Dartmouth Power Associates LP	Morris Energy Operations Company, LLC	Dartmouth, MA	35 GWh	Feb 1992	Dec 2023	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Acushnet Hawes Reed Road	CleanCapital Holdings	Dartmouth, MA	2 GWh	Jun 2012	Dec 2023	Solar
Fisher Road Solar	Fisher Road Solar I, LLC	Dartmouth, MA	8 GWh	Apr 2015	Dec 2023	Solar
Ventura	Ventura Drive Dartmouth Solar 1, LLC	Dartmouth, MA	2 GWh	May 2022	Dec 2023	Solar
Faunce Corner Community Solar	Faunce Corner Road Dartmouth Solar 1, LLC	Dartmouth, MA	4 GWh	Jun 2022	Dec 2023	Solar
Dartmouth Farms Solar	Dartmouth Farms Solar, LLC	Dartmouth, MA	4 GWh	Oct 2017	Dec 2023	Solar
Skelton	Brookfield White Pine Hydro LLC	Dayton, ME	137 GWh	Dec 1947	Dec 2023	Water
Lake Road Generating Plant	Lake Road Generating Co LP	Dayville, CT	6 TWh	Feb 2002	Aug 2024	Natural Gas
Frito Lay Incorporated	Frito Lay Incorporated Dayville	Dayville, CT	24 GWh	Feb 2009	Aug 2024	Natural Gas
Deerfield CSG Solar	MN8 Energy LLC	Deerfield, MA	6 GWh	Nov 2017	Dec 2023	Solar
Dennis Landfill	Clean Focus Yield, LLC	Dennis, MA	7 GWh	Aug 2014	Dec 2023	Solar
Derby Fuel Cell	Derby Fuel Cell LLC	Derby, CT	8 GWh	-	Dec 2023	Natural Gas
MDFA Devens-Saratoga	Terraform Arcadia	Devens, MA	3 GWh	Feb 2016	Dec 2023	Solar
Dighton Power Plant	Dighton Power, LLC	Dighton, MA	358 GWh	Apr 1999	Dec 2023	Natural Gas
ISM Solar Dighton 2, LLC CSG	38 Degrees North, LLC	Dighton, MA	4 GWh	Nov 2017	Dec 2023	Solar
DG Dighton LLC CSG	DG Dighton, LLC	Dighton, MA	6 GWh	Jun 2017	Dec 2023	Solar
Elm Street	ISM Solar Dighton 3, LLC	Dighton, MA	8 GWh	Nov 2020	Dec 2023	Solar
UMass Boston	UMass Boston	Dorchester, MA	659 MWh	Dec 1971	Dec 2023	Solar : 91.2% Distillate Fuel Oil : 8.8%
Dorchester Solar Site	Massachusetts Electric Co	Dorchester, MA	181 MWh	Dec 2011	Dec 2023	Solar
Bellingham PV	Terraform Arcadia	Douglas, MA	4 GWh	Sep 2013	Dec 2023	Solar
Douglas Solar	Consolidated Edison Development Inc.	Douglas, MA	7 GWh	Nov 2012	Dec 2023	Solar
ASD Wallum MA Solar LLC(CSG)	ASD Wallum MA Solar LLC	Douglas, MA	7 GWh	Dec 2021	Dec 2023	Solar
Dover	BWC Buckmaster Pond LLC	Dover, MA	2 GWh	Jul 2017	Dec 2023	Solar
Dudley	AMP MA Dudley	Dudley, MA	5 GWh	Jun 2018	Dec 2023	Solar
Dudley Solar CSG	Dudley Solar, LLC	Dudley, MA	3 GWh	Jul 2017	Dec 2023	Solar
Farley Road Community Solar	Farley Road Solar, LLC	Dudley, MA	2 GWh	Jul 2017	Dec 2023	Solar
Pontook Hydro Facility	Pontook Operating LP	Dummer, NH	58 GWh	Nov 1986	Dec 2023	Water
Granite Reliable Power	NexteraEnergy	Dummer, NH	176 GWh	Jan 2012	Aug 2024	Wind
Dunstable Solar 1, LLC	AES Distributed Energy	Dunstable, MA	10 GWh	Mar 2021	Dec 2023	Solar : 98.9% Electricity used for energy storage : 1.1%
UNH 7.9 MW Plant	Emcor Energy Services	Durham, NH	48 GWh	Aug 2006	Aug 2024	Landfill Gas : 70.9% Natural Gas : 27.3% Distillate Fuel Oil : 1.8%
Notus Wind 1	Notus Clean Energy LLC	E. Falmouth, MA	4 GWh	Jun 2010	Dec 2023	Wind
East Bridgewater Solar	Altus Power America Management, LLC	East Bridgewater, MA	3 GWh	Oct 2017	Dec 2023	Solar
Town of East Bridgewater CSG	Tesla Inc.	East Bridgewater, MA	1 GWh	May 2013	Dec 2023	Solar
Old Wardour Solar	NuGen Capital Management	East Brookfield, MA	7 GWh	Dec 2015	Dec 2023	Solar
Vuelta Solar	NuGen Capital Management	East Brookfield, MA	7 GWh	Dec 2015	Dec 2023	Solar
East Brookfield Main Street Solar LLC CSG	AES Distributed Energy	East Brookfield, MA	2 GWh	Nov 2020	Dec 2023	Solar
East Brookfield Adams Road Solar LLC CSG	East Brookfield Adams Road Solar LLC	East Brookfield, MA	7 GWh	May 2021	Dec 2023	Solar
10 Briggs Solar NG, LLC (East)	NuGen Capital Management	East Greenwich, RI	8 GWh	May 2021	Dec 2023	Solar
Pratt & Whitney	United Technologies	East Hartford, CT	129 GWh	Dec 1991	Aug 2024	Natural Gas : 99.8%
Cellu Tissue	Dunn Paper East Hartford, LLC	East Hartford, CT	12 GWh	Apr 2009	Aug 2024	Natural Gas
301 Chestnut Solar NG	NuGen Capital Management	East Longmeadow, MA	2 GWh	Mar 2017	Dec 2023	Solar
East Longmeadow Solar PV	NSTAR Electric Company	East Longmeadow, MA	6 GWh	Sep 2019	Dec 2023	Solar
Antares-GRE 314 East Lyme LLC	MN8 Energy LLC	East Lyme, CT	4 GWh	May 2014	Aug 2024	Solar
Forbes Street Solar	Altus Power America Management, LLC	East Providence, RI	3 GWh	Nov 2013	Dec 2023	Solar
Kearsarge East Providence	Kearsarge East Providence LLC	East Providence, RI	3 GWh	Nov 2020	Dec 2023	Solar
Ryegate Associates, LLC	Ryegate Associates, LLC	East Ryegate, VT	161 GWh	Aug 1992	Dec 2023	Wood/Wood Waste Solids
East Windsor Solar One	DG Connecticut III, LLC	East Windsor, CT	9 GWh	Nov 2021	Dec 2023	Solar
Norcap North	LSE Canes Venatici LLC	East Windsor, CT	3 GWh	Nov 2017	Dec 2023	Solar
Norcap South	LSE Coma Berenices LLC	East Windsor, CT	3 GWh	Nov 2017	Dec 2023	Solar
Bull Hill Wind Project	Evergreen Wind, LLC	Eastbrook, ME	82 GWh	Sep 2012	Dec 2023	Wind
Easthampton Landfill-City of Easthampton	CleanCapital Holdings	Easthampton, MA	3 GWh	May 2012	Dec 2023	Solar
Easthampton CSG	Easthampton Park Solar 1, LLC	Easthampton, MA	4 GWh	Aug 2020	Dec 2023	Solar
Beacon Solar, LLC	Beacon Solar, LLC	Easthampton, MA	4 GWh	Oct 2022	Dec 2023	Solar
Easton Landfill	CleanCapital Holdings	Easton, MA	2 GWh	Sep 2013	Dec 2023	Solar
Katama Farm	Clean Focus Yield, LLC	Edgartown, MA	2 GWh	May 2014	Dec 2023	Solar
Nunnepog	Clean Focus Yield, LLC	Edgartown, MA	2 GWh	May 2014	Dec 2023	Solar
Ellsworth Hydro Station	Brookfield Black Bear Hydro, LLC	Ellsworth, ME	35 GWh	Jun 1924	Dec 2023	Water

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