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	103.1 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 \| 57.5% Nuclear \| 25.1% Water \| 7.5% Other Fuel \| 4.5% 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
Dudley Solar CSG	Dudley Solar, LLC	Dudley, MA	3 GWh	Jul 2017	Dec 2023	Solar
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%
Dusenberry	AES Distributed Energy	Troy, NY	8 GWh	Nov 2021	Dec 2023	Solar
Dwight	Central Rivers Power MA, LLC	Chicopee, MA	10 GWh	Dec 1919	Dec 2023	Water
DWW Solar ll	DWW Solar ll LLC	Simsbury, CT	50 GWh	Nov 2019	Sep 2024	Solar
Dynamic Corinth (CSG)	MN8 Energy LLC	Corinth, ME	4 GWh	Sep 2022	Dec 2023	Solar
Dynamic Madison	MN8 Energy LLC	Madison, ME	9 GWh	Jul 2022	Dec 2023	Solar
Dynamic - Walpole	AES Distributed Energy	Walpole, MA	3 GWh	May 2017	Dec 2023	Solar
East Acres Solar NG, LLC	NuGen Capital Management	Pittsfield, MA	5 GWh	Mar 2017	Dec 2023	Solar
East Barnet	Green Mountain Power Corp	Barnet, VT	6 GWh	Aug 1984	Dec 2023	Water
East Bridgewater Solar	Altus Power America Management, LLC	East Bridgewater, MA	3 GWh	Oct 2017	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
East Brookfield Main Street Solar LLC CSG	AES Distributed Energy	East Brookfield, MA	2 GWh	Nov 2020	Dec 2023	Solar
East Longmeadow Solar PV	NSTAR Electric Company	East Longmeadow, MA	6 GWh	Sep 2019	Dec 2023	Solar
East Springfield Solar PV	NSTAR Electric Company	Springfield, MA	2 GWh	Sep 2018	Dec 2023	Solar
East Windsor Solar One	DG Connecticut III, LLC	East Windsor, CT	9 GWh	Nov 2021	Dec 2023	Solar
Eastern Maine Medical Center	Eastern Maine Medical Center	Bangor, ME	32 GWh	Sep 2006	Sep 2024	Natural Gas
Easthampton CSG	Easthampton Park Solar 1, LLC	Easthampton, MA	4 GWh	Aug 2020	Dec 2023	Solar
Easthampton Landfill-City of Easthampton	CleanCapital Holdings	Easthampton, MA	3 GWh	May 2012	Dec 2023	Solar
Eastman Falls	Central Rivers Power NH, LLC	Franklin, NH	33 GWh	Jul 1937	Dec 2023	Water
Easton Landfill	CleanCapital Holdings	Easton, MA	2 GWh	Sep 2013	Dec 2023	Solar
EBZ Solar	Citizens Enterprises Corporation	Shirley, MA	3 GWh	Dec 2012	Dec 2023	Solar
EDF Lancaster	CleanCapital Holdings	Lancaster, MA	6 GWh	Jun 2014	Dec 2023	Solar
EHC West Hopkinton	Green Mountain Power Corp	West Hopkinton, NH	4 GWh	Jun 1985	Dec 2023	Water
Electric Avenue Lunenburg Solar 1	Electric Avenue Lunenburg Solar 1, LLC	Lunenburg, MA	2 GWh	Nov 2021	Dec 2023	Solar
Elizabeth Mines Solar 1	Elizabeth Mines Solar 1, LLC	So. Strafford, VT	7 GWh	Oct 2017	Dec 2023	Solar
Ellsworth Hydro Station	Brookfield Black Bear Hydro, LLC	Ellsworth, ME	35 GWh	Jun 1924	Dec 2023	Water
Elm Street	ISM Solar Dighton 3, LLC	Dighton, MA	8 GWh	Nov 2020	Dec 2023	Solar
Emerald Gardens PKI, LLC	Emerald Gardens PKI, LLC	Shelton, CT	2 GWh	Sep 2021	Dec 2023	Solar
Emerald Marshfields, LLC	Emerald Marshfield, LLC	Marshfield, MA	2 GWh	Nov 2022	Dec 2023	Solar
ENGIE 2019 ProjectCo-MA1, LLC	ENGIE 2019 ProjectCo MA-1, LLC	Agawam, MA	5 GWh	Feb 2021	Dec 2023	Solar
Equinix - Billerica	Bloom Energy	Billerica, MA	17 GWh	Aug 2021	Dec 2023	Natural Gas
Equity Industrial Turbines	Equity Industrial Turbines	Gloucester, MA	7 GWh	Nov 2012	Dec 2022	Wind
ER Bone Hill Solar, LLC	Greenbacker Renewable Energy Corporation	Northfield, VT	2 GWh	Aug 2022	Dec 2023	Solar
ER Center Road Solar, LLC	Greenbacker Renewable Energy Corporation	Hardwick, VT	3 GWh	Apr 2022	Dec 2023	Solar
ER Salvage Yard	Greenbacker Renewable Energy Corporation	Morrisville, VT	3 GWh	Oct 2021	Dec 2023	Solar
ER Sand Hill	Greenbacker Renewable Energy Corporation	Castleton, VT	4 GWh	Oct 2022	Dec 2023	Solar
Errol Hydroelectric Project	Errol Hydroelectric Co LLC	Errol, NH	16 GWh	Oct 1986	Dec 2023	Water
Erving CSG	Erving Poplar Mountain Solar 1, LLC	Erving, MA	1 GWh	Aug 2020	Dec 2023	Solar
Erving Paper Mills	Erving Paper Mills Inc	Erving, MA	42 GWh	Nov 2013	Sep 2024	Natural Gas : 98.1% Distillate Fuel Oil : 1.9%
Essex Junction 19	Green Mountain Power Corp	Essex Junction, VT	47 GWh	Dec 1916	Sep 2024	Water : 99.5% Distillate Fuel Oil : 0.5%
Exelon Framingham LLC	Constellation Power, Inc	Framingham, MA	792 MWh	Aug 1969	Dec 2023	Distillate Fuel Oil
Exelon Medway LLC	Constellation Power, Inc	Medway, MA	4 GWh	Jun 1970	Dec 2023	Distillate Fuel Oil
Exelon West Medway II LLC	Constellation Power, Inc	Medway, MA	197 GWh	Feb 2019	Sep 2024	Natural Gas : 99.6%
Fairfax Falls	Green Mountain Power Corp	Fairfax, VT	23 GWh	Jan 1919	Dec 2023	Water
Fairfield PV - BD Solar Fairfield LLC	BD Solar Fairfield LLC	Fairfield, ME	8 GWh	May 2021	Dec 2023	Solar
Fairfield University CHP Plant	Fairfield University	Fairfield, CT	25 GWh	Sep 2007	Dec 2023	Natural Gas
Fairhaven C CSG	MN8 Energy LLC	Fairhaven, MA	3 GWh	Apr 2017	Dec 2023	Solar
Fairhaven E	Fairhaven MA 1, LLC	Fairhaven, MA	4 GWh	Jul 2021	Dec 2023	Solar
Fairhaven MA 2	Consolidated Edison Development Inc.	Fairhaven, MA	5 GWh	Aug 2021	Dec 2023	Solar
Fairhaven Wind	Fairhaven Wind LLC	Fairhaven, MA	3 GWh	Mar 2012	Dec 2023	Wind
Fairview Farms Solar	NuGen Capital Management	Whately, MA	3 GWh	May 2014	Dec 2023	Solar
Fall River Solar CSG	MN8 Energy LLC	Fall River, MA	3 GWh	Jan 2013	Dec 2023	Solar
Falls Village	FirstLight Power Resources Services LLC	Falls Village, CT	52 GWh	Dec 1913	Dec 2023	Water
Falmouth 2 Solar	Citizens Enterprises Corporation	Falmouth, MA	3 GWh	Aug 2021	Dec 2023	Solar
Falmouth Landfill Solar	Citizens Enterprises Corporation	Falmouth, MA	5 GWh	Mar 2017	Dec 2023	Solar
Farley Road Community Solar	Farley Road Solar, LLC	Dudley, MA	2 GWh	Jul 2017	Dec 2023	Solar
Farmingdale FA01	Nautilus Solar Solutions	Farmingdale, ME	8 GWh	May 2022	Dec 2023	Solar
Farmington Solar	Farmington Solar, LLC	Farmington, ME	126 GWh	Sep 2021	Sep 2024	Solar
Faunce Corner Community Solar	Faunce Corner Road Dartmouth Solar 1, LLC	Dartmouth, MA	4 GWh	Jun 2022	Dec 2023	Solar
FDX010.0 FedEx Fuel Cell	2016 ESA Project Company, LLC	Middletown, CT	7 GWh	Aug 2018	Dec 2023	Natural Gas
Federal Road Solar 1, LLC CSG	Federal Road Solar 1, LLC	South Carver, MA	16 GWh	Nov 2015	Dec 2023	Solar
Few Solar	Ecos Energy LLC	Somers, CT	2 GWh	Dec 2020	Dec 2023	Solar
Fife Brook	Bear Swamp Power Company LLC	Florida, MA	33 GWh	Sep 1974	Dec 2023	Water
Fisher Road Solar	Fisher Road Solar I, LLC	Dartmouth, MA	8 GWh	Apr 2015	Dec 2023	Solar
Fishers Island 1	Connecticut Mun Elec Engy Coop	Fisher's Island, NY	119 MWh	Nov 2010	Dec 2023	Distillate Fuel Oil
Fitchburg Gas Recovery	WM Renewable Energy LLC	Westminster, MA	31 GWh	Sep 2007	Dec 2023	Landfill Gas
Fitchburg Renewables	Fitchburg Renewables, LLC	Fitchburg, MA	6 GWh	Feb 2020	Dec 2023	Solar
Forbes Street Solar	Altus Power America Management, LLC	East Providence, RI	3 GWh	Nov 2013	Dec 2023	Solar
Fore River Generating Station	Calpine Fore River Energy Center, LLC	North Weymouth, MA	3 TWh	Jul 2003	Sep 2024	Natural Gas : 99.8%
Fort Fairfield	Standard Solar	Fairfield, ME	1 GWh	Jul 2023	Dec 2023	Solar
Fort Hill 1, 2, 3 & 4	Connecticut Mun Elec Engy Coop	Uncasville, CT	701 MWh	Jul 2010	Sep 2024	Distillate Fuel Oil
Foster Solar	Foster Solar, LLC	North Scituate, RI	2 GWh	Jul 2016	Dec 2023	Solar
Founders Homestead Farms Solar	AES Distributed Energy	Portsmouth, RI	7 GWh	Nov 2019	Sep 2024	Solar
Fox Island Wind LLC	Fox Island Wind LLC	Vinalhaven, ME	6 GWh	Oct 2009	Dec 2023	Wind
Foxwoods CoGen	Foxwoods Resort Casino	Mashantucket, CT	11 GWh	May 2010	Dec 2023	Natural Gas
Framingham State University Plant	Framingham State University	Framingham, MA	82 MWh	May 1974	Sep 2024	Solar : 73.2% Distillate Fuel Oil : 26.8%
Franklin 1	CD US Solar MT 2 LLC	Wrentham, MA	4 GWh	Oct 2013	Dec 2023	Solar
Franklin 2	CD US Solar MT 2 LLC	Franklin, MA	5 GWh	Nov 2013	Dec 2023	Solar
Franklin Drive	Connecticut Jet Power LLC	Torrington, CT	100 MWh	Oct 1968	Dec 2023	Kerosene
Franklin Solar	Ecos Energy LLC	Lebanon, CT	2 GWh	Feb 2018	Dec 2023	Solar
Fredonia Solar LLC	Greenbacker Renewable Energy Corporation	Fredonia, NY	2 GWh	Aug 2021	Dec 2023	Solar
Freetown MA 1, LLC	Navisun LLC	Freetown, MA	1 GWh	Nov 2022	Dec 2023	Solar
Freetown Solar	Mass Solar, LLC	Freetown, MA	7 GWh	Feb 2015	Dec 2023	Solar
French King Solar LLC	French King Solar LLC	Erving, MA	7 GWh	Oct 2022	Dec 2023	Solar
Frito Lay Incorporated	Frito Lay Incorporated Dayville	Dayville, CT	24 GWh	Feb 2009	Sep 2024	Natural Gas
Front Street	City of Chicopee - (MA)	Chicopee, MA	476 MWh	Dec 1977	Dec 2023	Distillate Fuel Oil
Fryeburg	Nautilus Solar Solutions	Fryeburg, ME	6 GWh	Apr 2023	Dec 2023	Solar
Fusion Solar Center LLC	Fusion Solar Centre, L.L.C	Baltic, CT	38 GWh	Feb 2018	Sep 2024	Solar
Future Generation Wind	Consolidated Edison Solutions Inc.	Plymouth, MA	12 GWh	Jul 2016	Dec 2023	Wind
Gardiner	KEI (Maine) Power Management (III) LLC	Gardiner, ME	7 GWh	Jun 1985	Dec 2023	Water
Gardner - Otter River Road	Otter River Road Solar LLC	Gardner, MA	4 GWh	Sep 2019	Dec 2023	Solar
Gardner Solar 1	Gardner Solar 1, LLC	Gardner, MA	3 GWh	Apr 2014	Dec 2023	Solar
Gardners Falls	Central Rivers Power MA, LLC	Buckland, MA	18 GWh	Dec 1913	Dec 2023	Water
Garvins Falls	Central Rivers Power NH, LLC	Bow, NH	44 GWh	Jul 1925	Dec 2023	Water
Gary Court 1 & 2	Connecticut Mun Elec Engy Coop	Groton, CT	466 MWh	Jun 2010	Dec 2023	Distillate Fuel Oil
GD Glocester White Oak I, LLC	GD Glocester White Oak I, LLC	Glocester, RI	2 GWh	Nov 2020	Dec 2023	Solar
GD Hopkinton Main I, LLC	GD Hopkinton Main I, LLC	Hopkinton, RI	16 GWh	Oct 2020	Dec 2023	Solar
GD Johnson Scituate I, LLC	GD Johnson Scituate I, LLC	Cranston, RI	6 GWh	Nov 2021	Dec 2023	Solar
GD Richmond Buttonwoods I, LLC	GD Richmond Buttonwoods I, LLC	Richmond, RI	2 GWh	Nov 2019	Dec 2023	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	903.4 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	63.2 TWh	554
#51	Duke Energy Progress West	4.1 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.1 TWh	20
#12	New York Independent System Operator	129.8 TWh	1,100
#1	PJM Interconnection, LLC	843.4 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	192.0 TWh	1,943
#9	Tennessee Valley Authority	157.6 TWh	170
#10	Florida Power & Light Co.	147.6 TWh	159
#12	New York Independent System Operator	129.8 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556
#15	ISO New England	103.1 TWh	1,487
#16	Bonneville Power Administration	80.0 TWh	158
#17	Duke Energy Progress East	63.2 TWh	554
#18	Salt River Project Agricultural Improvement and Power District	58.9 TWh	45
#19	PacifiCorp East	52.7 TWh	204