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
Boston Medical Center CHP Plant	Boston Medical Center	Boston, MA	12 GWh	Mar 2017	Dec 2023	Natural Gas
Gillette SBMC	The Gillette Company	Boston, MA	61 GWh	Jan 1971	Sep 2024	Natural Gas : 99.9%
Medical Area Total Energy Plant	MATEP LLC	Boston, MA	339 GWh	Dec 1979	Dec 2023	Natural Gas : 99.7%
M Street Jet	Massachusetts Bay Trans Auth	Boston, MA	275 MWh	Apr 1979	Dec 2023	Kerosene
Meadow Solar	Altus Power America Management, LLC	Boston, MA	4 GWh	Nov 2016	Dec 2023	Solar
Penacook Lower Falls	Briar-Hydro Associates	Boscawen, NH	23 GWh	Jul 1983	Dec 2023	Water
Boltonville Hydro Associates	Boltonville Hydro Associates	Boltonville, VT	3 GWh	Jun 1984	Dec 2023	Water
Bolton PV	AES Distributed Energy	Bolton, MA	7 GWh	Nov 2013	Dec 2023	Solar
Syncarpha Still River, LLC CSG	Syncarpha Still River, LLC	Bolton, MA	3 GWh	Nov 2016	Dec 2023	Solar
Pepperidge Farm Bloomfield	Pepperidge Farm, Inc.- Bloomfield	Bloomfield, CT	16 GWh	Jul 2008	Dec 2023	Natural Gas
Niagara Bottling - Bloomfield	Westbound Solar 3, LLC	Bloomfield, CT	4 GWh	Oct 2022	Dec 2023	Solar
Syncarpha Blandford Hybrid CSG	Syncarpha Blandford, LLC	Blandford, MA	8 GWh	Nov 2019	Dec 2023	Solar
ANP Blackstone Energy Project	ANP Blackstone Energy Company LLC	Blackstone, MA	2 TWh	May 2001	Sep 2024	Natural Gas
MA Blackstone	Catalyze Blackstone 83 Federal Street Microgrid, LLC	Blackstone, MA	4 GWh	Jun 2022	Dec 2023	Solar
Wyman Hydro	Brookfield White Pine Hydro LLC	Bingham, ME	502 GWh	Dec 1929	Dec 2023	Water
Bingham Wind	Onward Energy	Bingham, ME	428 GWh	Nov 2016	Sep 2024	Wind
Shaffer	CD US Solar MT3, LLC	Billerica, MA	6 GWh	Aug 2014	Dec 2023	Solar
Equinix - Billerica	Bloom Energy	Billerica, MA	17 GWh	Aug 2021	Dec 2023	Natural Gas
IXYS - Beverly	IXYS Integrated Circuits Division, LLC	Beverly, MA	23 MWh	Dec 1996	Dec 2023	Distillate Fuel Oil : 58.5% Natural Gas : 41.5%
BWC Rams Horn Channel LLC	Navisun LLC	Beverly, MA	6 GWh	Nov 2020	Dec 2023	Solar
Kearsarge 100 Sohier Rd	Kearsarge Beverly LLC	Beverly, MA	3 GWh	Apr 2023	Dec 2023	Solar
Beverly	Integrys MA Solar, LLC	Beverly, MA	3 GWh	Apr 2014	Dec 2023	Solar
Berlin 5	Green Mountain Power Corp	Berlin, VT	1 GWh	May 1972	Sep 2024	Kerosene
Burgess BioPower	Berlin Station, LLC	Berlin, NH	496 GWh	Oct 2013	Dec 2023	Wood/Wood Waste Solids : 98.3% Distillate Fuel Oil : 1.7%
Smith (NH)	Central Rivers Power NH, LLC	Berlin, NH	123 GWh	Jul 1948	Dec 2023	Water
Jericho Power	Jericho Power LLC	Berlin, NH	19 GWh	Dec 2015	Sep 2024	Wind
Berlin Gorham	Great Lakes Hydro America LLC	Berlin, NH	168 GWh	Dec 1913	Dec 2023	Water
Randall Solar Project Hybrid	AES Distributed Energy	Berlin, MA	9 GWh	Jun 2021	Dec 2023	Solar
Corbin Russwin Phase 3 Berlin	EnterSolar	Berlin, CT	2 GWh	Mar 2018	Dec 2023	Solar
Southern Sky Renew Energy Berkley LLC	Southern Sky Renewable Energy Berkley, LLC	Berkley, MA	3 GWh	May 2014	Dec 2023	Solar
Padelford Solar	Consolidated Edison Solutions Inc.	Berkley, MA	3 GWh	Nov 2012	Dec 2023	Solar
Berkley East Solar LLC	SunEdison LLC	Berkley, MA	5 GWh	Jun 2013	Dec 2023	Solar
Berkley	Captona Berkley LLC	Berkley, MA	4 GWh	Mar 2017	Dec 2023	Solar
Benton Falls Associates	Essex Hydro Associates LLC	Benton, ME	17 GWh	Nov 1987	Dec 2023	Water
Battle Creek Solar	Ecos Energy LLC	Bennington, VT	4 GWh	Sep 2018	Dec 2023	Solar
Bellows Falls	Great River Hydro, LLC	Bellow Falls, VT	305 GWh	Feb 1928	Dec 2023	Water
Kearsarge Bellingham PV	Kearsarge Bellingham LLC	Bellingham, MA	5 GWh	Nov 2016	Dec 2023	Solar
Bellingham Cogeneration Facility	Northeast Energy Associates LP	Bellingham, MA	102 GWh	Aug 1991	Nov 2023	Natural Gas : 88.2% Distillate Fuel Oil : 11.8%
ANP Bellingham Energy Project	Bellingham Power Generation LLC	Bellingham, MA	3 TWh	Oct 2002	Sep 2024	Natural Gas
Kearsarge William Way	Kearsarge William Way LLC	Bellingham, MA	7 GWh	Nov 2021	Dec 2023	Solar
Maple(CSG)	Maple Street Solar 1, LLC	Bellingham, MA	6 GWh	Oct 2021	Dec 2023	Solar
Belchertown	Altus Power America Management, LLC	Belchertown, MA	1 GWh	Nov 2015	Dec 2023	Solar
Belchertown Renewables Community Solar	Belchertown Renewables, LLC	Belchertown, MA	6 GWh	Feb 2018	Dec 2023	Solar
Tanglewood Circle Solar 1 LLC	Tanglewood Circle Solar 1 LLC	Becket, MA	7 GWh	Oct 2018	Dec 2023	Solar
Dodge Falls Associates	Dodge Falls Associates LP	Bath, NH	32 GWh	Nov 1990	Dec 2023	Water
Townline Community Solar	AES Distributed Energy	Batavia, NY	7 GWh	Jan 2022	Dec 2023	Solar
3232 Batavia Solar	3232 Batavia Solar, LLC	Batavia, NY	7 GWh	Feb 2021	Dec 2023	Solar
3104 Batavia Solar	3104 Batavia Solar, LLC	Batavia, NY	5 GWh	Feb 2021	Dec 2023	Solar
Barton Solar Farm	Barton Solar, LLC	Barton, VT	2 GWh	Oct 2014	Dec 2023	Solar
Barre II Solar Project	Kearsarge Solar LLC	Barre, MA	2 GWh	Mar 2014	Dec 2023	Solar
Spring Hill Road	AES Distributed Energy	Barre, MA	3 GWh	Nov 2015	Mar 2024	Solar
Barre Solar III LLC	AES Distributed Energy	Barre, MA	1 GWh	Feb 2018	Dec 2023	Solar
Stetson Road Solar - Barre I	Kearsarge Solar LLC	Barre, MA	3 GWh	Apr 2014	Dec 2023	Solar
Mcindoes	Great River Hydro, LLC	Barnet, VT	56 GWh	Dec 1930	Dec 2023	Water
East Barnet	Green Mountain Power Corp	Barnet, VT	6 GWh	Aug 1984	Dec 2023	Water
Canis Minor Solar Farm	LSE Canis Minor LLC	Barkhamsted, CT	2 GWh	Nov 2016	Dec 2023	Solar
Eastern Maine Medical Center	Eastern Maine Medical Center	Bangor, ME	32 GWh	Sep 2006	Sep 2024	Natural Gas
Broadway Solar (CSG)	NextGrid Bitterbush, LLC	Bangor, ME	1 GWh	Aug 2023	Dec 2023	Solar
Fusion Solar Center LLC	Fusion Solar Centre, L.L.C	Baltic, CT	38 GWh	Feb 2018	Sep 2024	Solar
GSPP Devens, LLC	Green Street Power Partners	Ayer, MA	3 GWh	Dec 2018	Dec 2023	Solar
Augusta PV - BD Solar Augusta LLC	BD Solar Augusta LLC	Augusta, ME	7 GWh	May 2021	Dec 2023	Solar
MEVS DOT 109	MEVS DOT, LLC	Augusta, ME	1 GWh	Jun 2023	Dec 2023	Solar
Augusta	Maine DG Solar Augusta, LLC	Augusta, ME	5 GWh	Feb 2022	Dec 2023	Solar
BD Solar Hancock LLC	BD Solar Hancock LLC	Augusta, ME	6 GWh	May 2022	Mar 2023	Solar
BD Solar Ellsworth LLC	BD Solar Hancock North LLC	Augusta, ME	2 GWh	May 2022	Dec 2023	Solar
Auburn Solar Project	Agilitas Energy, Inc.	Auburn, MA	8 GWh	Apr 2022	Dec 2023	Solar
MMWAC Resource Recovery Facility	Maine Waste to Energy	Auburn, ME	10 GWh	May 1992	Sep 2024	Non-biogenic Municipal Solid Waste : 54.3% Biogenic Municipal Solid Waste : 44.4% Natural Gas : 1.3%
Upper Barker	KEI (Maine) Power Management (III) LLC	Auburn, ME	7 GWh	Apr 1987	Dec 2023	Water
Barker Lower	KEI (Maine) Power Management (III) LLC	Auburn, ME	8 GWh	Mar 1986	Dec 2023	Water
Deer Rips	Brookfield White Pine Hydro LLC	Auburn, ME	69 GWh	Dec 1902	Dec 2023	Water
Partridgeville Hybrid CSG	Partridgeville Road Solar 1, LLC	Athol, MA	6 GWh	Dec 2019	Dec 2023	Solar
Adams Farm Solar	Altus Power America Management, LLC	Athol, MA	4 GWh	Sep 2013	Dec 2023	Solar
Athens Energy	Athens Energy, LLC	Athens, ME	60 GWh	Sep 2016	Dec 2023	Wood/Wood Waste Solids
Athens AT01	Nautilus Solar Solutions	Athens, ME	7 GWh	May 2022	Dec 2023	Solar
Ashland Solar	Citizens Enterprises Corporation	Ashland, MA	7 GWh	Nov 2019	Dec 2023	Solar
Centaurus Solar - MA	LSE Centaurus LLC	Ashland, MA	4 GWh	Oct 2016	Dec 2023	Solar
Ashby Duffy CSG Solar Farm	LSE Cassiopeia LLC	Ashby, MA	3 GWh	Nov 2017	Dec 2023	Solar
Integrys MA Solar, LLC - Ashburnham Site	Integrys MA Solar, LLC	Ashburnham, MA	3 GWh	Nov 2013	Dec 2023	Solar
Hopkinton Phase 2	Vista Solar, Inc.	Ashaway, RI	4 GWh	Aug 2020	Dec 2023	Solar
Antrim Wind	Antrim Wind Energy LLC	Antrim, NH	66 GWh	Nov 2019	Sep 2024	Wind
Hewlett-Packard (HP) - Andover, MA	Tesla Inc.	Andover, MA	1 GWh	May 2017	Dec 2023	Solar
UMASS	Consolidated Edison Development Inc.	Amherst, MA	941 MWh	Sep 2016	Dec 2023	Solar
Hampshire College Hybrid	Tesla Inc.	Amherst, MA	5 GWh	Apr 2017	Dec 2023	Solar
Amherst College Co Gen	Amherst College	Amherst, MA	5 GWh	Oct 2006	Dec 2023	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
UMass PV Lot 22	Consolidated Edison Development Inc.	Amherst, MA	3 GWh	Aug 2022	Dec 2023	Solar
Montague Road Solar	Montague Road Solar, LLC	Amherst, MA	4 GWh	Nov 2019	Dec 2023	Solar
Town of Amherst Solar	Town of Amherst Solar, LLC	Amherst, MA	4 GWh	Jul 2022	Dec 2023	Solar
Hunt Road Solar	Citizens Enterprises Corporation	Amesbury, MA	7 GWh	Nov 2016	Dec 2023	Solar
Kearsarge Amesbury Hybrid	Kearsarge Amesbury LLC	Amesbury, MA	5 GWh	Nov 2019	Dec 2023	Solar
China Mill Hydro	New Hampshire Hydro Associates	Allenstown, NH	4 GWh	Jun 1981	Dec 2023	Water
VEC Alburgh Array	SoCore Energy LLC	Alburgh, VT	1 GWh	Nov 2016	Dec 2023	Solar
RT405 Westerlo Solar 2	RT405 Westerlo Solar 2, LLC	Albany, NY	8 GWh	Feb 2020	Dec 2023	Solar
Knapp West(CSG)	AES Distributed Energy	Akron, NY	6 GWh	Nov 2021	Dec 2023	Solar
Knapp East (CSG)	AES Distributed Energy	Akron, NY	7 GWh	Nov 2021	Dec 2023	Solar
ENGIE 2019 ProjectCo-MA1, LLC	ENGIE 2019 ProjectCo MA-1, LLC	Agawam, MA	5 GWh	Feb 2021	Dec 2023	Solar
CES Agawam Tuckahoe Solar Hybrid	CES Agawam Tuckahoe Solar LLC	Agawam, MA	7 GWh	Nov 2021	Dec 2023	Solar
Route 57 Solar	Citizens Enterprises Corporation	Agawam, MA	2 GWh	Feb 2013	Dec 2023	Solar
Agawam Solar	Citizens Enterprises Corporation	Agawam, MA	2 GWh	Feb 2012	Dec 2023	Solar
Citizens Agawam Landfill Solar	Citizens Enterprises Corporation	Agawam, MA	3 GWh	Mar 2017	Dec 2023	Solar
Berkshire Power	Berkshire Power Co LLC	Agawam, MA	70 GWh	Aug 1999	Dec 2023	Natural Gas

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