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
Lepomis PV Energy LLC	CleanCapital Holdings	Plymouth, MA	8 GWh	May 2014	Dec 2023	Solar
Golden Hills Solar	Golden Hills Solar, LLC	Rutland, MA	8 GWh	Aug 2017	Dec 2023	Solar
28 Livermore Hill Road Solar	28 Livermore Hill Road Solar, LLC	Westminster, MA	8 GWh	May 2020	Dec 2023	Solar
Middleton Solar Park	HG Solar Development, LLC	Middleton, MA	7 GWh	May 2018	Dec 2023	Solar
ZPD-PT Solar Project 2017-038 Hybrid LLC	AES Distributed Energy	Lancaster, MA	7 GWh	Mar 2021	Dec 2023	Solar
GMP Solar - Hartford	Green Mountain Power Corp	Hartford, VT	7 GWh	Nov 2016	Aug 2024	Solar
GMP Solar/Storage-Essex Hybrid	Green Mountain Power Corp	Essex, VT	7 GWh	Aug 2019	Aug 2024	Solar : 90.9% Electricity used for energy storage : 9.1%
BWC Origination 18	BWC Origination 18, LLC	Mattapoisett, MA	7 GWh	Nov 2018	Dec 2023	Solar
Dennis Landfill	Clean Focus Yield, LLC	Dennis, MA	7 GWh	Aug 2014	Dec 2023	Solar
Iron Horse Solar 4, LLC	Iron Horse Solar 4, LLC	North Billerica, MA	7 GWh	May 2017	Dec 2023	Solar
Chemical	City of Holyoke Gas and Electric Dept.	Holyoke, MA	7 GWh	Dec 1934	Dec 2023	Water
East Brookfield Adams Road Solar LLC CSG	East Brookfield Adams Road Solar LLC	East Brookfield, MA	7 GWh	May 2021	Dec 2023	Solar
Bashaw Solar CSG 1, LLC	Bashaw Solar 1, LLC	Newbury, MA	7 GWh	Mar 2017	Dec 2023	Solar
French King Solar LLC	French King Solar LLC	Erving, MA	7 GWh	Oct 2022	Dec 2023	Solar
Canaan	Central Rivers Power NH, LLC	Canaan, VT	7 GWh	Jul 1927	Dec 2023	Water
Mass Midstate Solar 1	Evergreen Wind, LLC	Warren, MA	7 GWh	Apr 2014	Dec 2023	Solar
SCS Harpswell 012903 Brunswick, LLC	Sol Systems	Brunswick, ME	7 GWh	Oct 2022	Dec 2023	Solar
Settlers Solar	Settlers Solar, LLC	Lunenberg, MA	7 GWh	Nov 2020	Dec 2023	Solar
McDougle-Mitchell Solar Project Hybrid CSG	AES Distributed Energy	Charlton, MA	7 GWh	Jul 2020	Dec 2023	Solar
Tanglewood Circle Solar 1 LLC	Tanglewood Circle Solar 1 LLC	Becket, MA	7 GWh	Oct 2018	Dec 2023	Solar
Messalonskee 3	Messalonskee Stream Hydro LLC	Oakland, ME	7 GWh	Dec 1917	Dec 2023	Water
Unity Solar	Madison Energy Holdings LLC	Unity, ME	7 GWh	Nov 2021	Dec 2023	Solar
Kearsarge William Way	Kearsarge William Way LLC	Bellingham, MA	7 GWh	Nov 2021	Dec 2023	Solar
1639 RT 29 Solar 1	1639 RT 29 Solar 1, LLC	Gloversville, NY	7 GWh	Nov 2020	Dec 2023	Solar
Knapp East (CSG)	AES Distributed Energy	Akron, NY	7 GWh	Nov 2021	Dec 2023	Solar
Kearsarge West Shore Solar LLC	Kearsarge West Shore Solar LLC	Portsmouth, RI	7 GWh	Nov 2022	Dec 2023	Solar
W. Orange Rd Solar LLC	AES Distributed Energy	Orange, MA	7 GWh	Aug 2021	Dec 2023	Solar
Pendleton Solar 1	Pendleton Solar 1, LLC	Lockport, NY	7 GWh	Sep 2020	Dec 2023	Solar
FDX010.0 FedEx Fuel Cell	2016 ESA Project Company, LLC	Middletown, CT	7 GWh	Aug 2018	Dec 2023	Natural Gas
Westport B Community Solar Garden	BWC Hamilton Brook LLC	Westport, MA	7 GWh	Oct 2018	Dec 2023	Solar
International Paper Jay Hydro	Eagle Creek Renewable Energy, LLC	Jay, ME	7 GWh	Dec 1911	Sep 2023	Water
Amaterasu LLC	AES Distributed Energy	Lancaster, MA	7 GWh	May 2021	Dec 2023	Solar
Goose Pond Solar	LSE Dorado, LLC	Southwick, MA	7 GWh	Dec 2019	Dec 2023	Solar
0 Hammond St CSG	0HAM WHAM8 Solar, LLC	Carver, MA	7 GWh	Sep 2021	Dec 2023	Solar : 99.3%
Annese Solar Project Hybrid CSG	AES Distributed Energy	Southbridge, MA	7 GWh	Nov 2020	Dec 2023	Solar
ASD Wallum MA Solar LLC(CSG)	ASD Wallum MA Solar LLC	Douglas, MA	7 GWh	Dec 2021	Dec 2023	Solar
GMP Solar - Williamstown	Green Mountain Power Corp	Williamstown, VT	7 GWh	Nov 2016	Aug 2024	Solar
CES Agawam Tuckahoe Solar Hybrid	CES Agawam Tuckahoe Solar LLC	Agawam, MA	7 GWh	Nov 2021	Dec 2023	Solar
Williamsville Hybrid CSG	Williamsville Road LLC	Hubbardston, MA	7 GWh	Aug 2021	Dec 2023	Solar
Saint Albans Solar	Cypress Creek Renewables	Georgia, VT	7 GWh	Sep 2018	Dec 2023	Solar
Mass Midstate Solar 2	Evergreen Wind, LLC	Warren, MA	7 GWh	Apr 2014	Dec 2023	Solar
Solten Plainville 6000, LLC	Altus Power America Management, LLC	Plainville, MA	7 GWh	Jul 2017	Dec 2023	Solar
Hunt Road Solar	Citizens Enterprises Corporation	Amesbury, MA	7 GWh	Nov 2016	Dec 2023	Solar
Bradford Solar	Strata Manager, LLC	Haverhill, MA	7 GWh	Mar 2017	Dec 2023	Solar
Vuelta Solar	NuGen Capital Management	East Brookfield, MA	7 GWh	Dec 2015	Dec 2023	Solar
Old Wardour Solar	NuGen Capital Management	East Brookfield, MA	7 GWh	Dec 2015	Dec 2023	Solar
Breckenridge Solar	Breckenridge Street Solar 1, LLC	Palmer, MA	7 GWh	Oct 2020	Dec 2023	Solar
Townline Community Solar	AES Distributed Energy	Batavia, NY	7 GWh	Jan 2022	Dec 2023	Solar
Ravenbrook	Captona Ravenbrook LLC	Carver, MA	7 GWh	Nov 2013	Dec 2023	Solar
True North	CD US Solar MT1 LLC	Salisbury, MA	7 GWh	Jul 2012	Dec 2023	Solar
Cape Cod Air Force Station - 6 SWS	US Air Force	Sagamore, MA	7 GWh	Dec 2013	Aug 2024	Wind
Upper Blackstone (MA) Treasure Valley	Nexamp Treasure Valley Solar, LLC	Rutland, MA	7 GWh	Jun 2014	Dec 2023	Solar
Elizabeth Mines Solar 1	Elizabeth Mines Solar 1, LLC	So. Strafford, VT	7 GWh	Oct 2017	Dec 2023	Solar
Athens AT01	Nautilus Solar Solutions	Athens, ME	7 GWh	May 2022	Dec 2023	Solar
3232 Batavia Solar	3232 Batavia Solar, LLC	Batavia, NY	7 GWh	Feb 2021	Dec 2023	Solar
Kearsarge Concord II	Kearsarge Concord II LLC	Concord, MA	7 GWh	Dec 2016	Dec 2023	Solar
Bolton PV	AES Distributed Energy	Bolton, MA	7 GWh	Nov 2013	Dec 2023	Solar
Collins Facility	Elevate Power Management LLC	Wilbraham, MA	7 GWh	Feb 1985	Dec 2023	Water
71 Charlotte Furnace Rd Hybrid(CSG)	71CFR WHAM8 Solar, LLC	Wareham, MA	7 GWh	Nov 2021	Dec 2023	Solar
Ashland Solar	Citizens Enterprises Corporation	Ashland, MA	7 GWh	Nov 2019	Dec 2023	Solar
Kearsarge Montague	Kearsarge Montague LLC	Montague, MA	7 GWh	May 2018	Dec 2023	Solar
Augusta PV - BD Solar Augusta LLC	BD Solar Augusta LLC	Augusta, ME	7 GWh	May 2021	Dec 2023	Solar
New Bedford (MA) Plymouth	BWC Origination 4, LLC	Plymouth, MA	7 GWh	Jun 2014	Dec 2023	Solar
Freetown Solar	Mass Solar, LLC	Freetown, MA	7 GWh	Feb 2015	Dec 2023	Solar
DG Crystal Spring CSG	DG Crystal Spring CSG	Mattapoisett, MA	7 GWh	Jun 2017	Dec 2023	Solar
Douglas Solar	Consolidated Edison Development Inc.	Douglas, MA	7 GWh	Nov 2012	Dec 2023	Solar
Gardiner	KEI (Maine) Power Management (III) LLC	Gardiner, ME	7 GWh	Jun 1985	Dec 2023	Water
Plymouth Site 1	CleanCapital Holdings	Plympton, MA	7 GWh	Sep 2013	Dec 2023	Solar
BWC Gibbs Brook	BWC Gibbs Brook, LLC	Wareham, MA	7 GWh	Nov 2018	Dec 2023	Solar
Upper Barker	KEI (Maine) Power Management (III) LLC	Auburn, ME	7 GWh	Apr 1987	Dec 2023	Water
Silver Lake (VT)	Green Mountain Power Corp	Salisbury, VT	7 GWh	Jan 1917	Dec 2023	Water
Founders Homestead Farms Solar	AES Distributed Energy	Portsmouth, RI	7 GWh	Nov 2019	Aug 2024	Solar
GMP Solar - Williston	Green Mountain Power Corp	Williston, VT	7 GWh	Oct 2016	Aug 2024	Solar
Equity Industrial Turbines	Equity Industrial Turbines	Gloucester, MA	7 GWh	Nov 2012	Dec 2022	Wind
Syncarpha Freetown	Marie's Way Solar I, LLC	Freetown, MA	7 GWh	Oct 2016	Dec 2023	Solar
WED Coventry 6	Greenbacker Renewable Energy Corporation	Coventry, RI	7 GWh	Jul 2016	Aug 2024	Wind
Oxford Solar	Citizens Enterprises Corporation	Oxford, MA	6 GWh	Jan 2020	Dec 2023	Solar
CED Northampton Solar LLC Hybrid	Consolidated Edison Development Inc.	Northampton, MA	6 GWh	Nov 2019	Dec 2023	Solar
WED Shun I, LLC	WED Shun I, LLC	Johnston, RI	6 GWh	Dec 2018	Aug 2024	Wind
WED Shun III, LLC	WED Shun III, LLC	Johnston, RI	6 GWh	Dec 2018	Dec 2023	Wind
Belchertown Renewables Community Solar	Belchertown Renewables, LLC	Belchertown, MA	6 GWh	Feb 2018	Dec 2023	Solar
Canton	Captona Canton LLC	Canton, MA	6 GWh	Jul 2012	Dec 2023	Solar
Lower Village Water Power Project	Sugar River Power LLC	Claremont, NH	6 GWh	Apr 1995	Dec 2023	Water
Syncarpha Westminster Hybrid CSG	Syncarpha Westminster, LLC	Westminster, MA	6 GWh	Oct 2022	Dec 2023	Solar
Kearsarge Westerly	Kearsarge Westerly LLC	Westerly, RI	6 GWh	Nov 2020	Dec 2023	Solar
Hartland Solar	Madison Energy Holdings LLC	Hartland, ME	6 GWh	Nov 2021	Dec 2023	Solar
West Charleston	Barton Village, Inc	West Charleston, VT	6 GWh	Jun 1931	Dec 2023	Water
WED Coventry 2	WED Coventry Two, LLC	Coventry, RI	6 GWh	Jul 2016	Aug 2024	Wind
Lewiston Junction Road Solar	NextGrid Peppertree, LLC	Poland, ME	6 GWh	Dec 2021	Dec 2023	Solar
Mass Midstate Solar 3	Evergreen Wind, LLC	Warren, MA	6 GWh	Apr 2014	Dec 2023	Solar
International Paper Woronoco Mill	Eagle Creek Renewable Energy, LLC	Woronoco, MA	6 GWh	Dec 1912	Dec 2023	Water
BD Solar Hancock LLC	BD Solar Hancock LLC	Augusta, ME	6 GWh	May 2022	Mar 2023	Solar
Sunpin Blandford	Blandford Sun, LLC	Southwick, MA	6 GWh	May 2020	Nov 2023	Solar
Springfield Solar PV	NSTAR Electric Company	Springfield, MA	6 GWh	Dec 2018	Dec 2023	Solar
Blackhorse Farm Solar, LLC CSG	AES Distributed Energy	Warren, RI	6 GWh	Nov 2020	Dec 2023	Solar
Texon Hydroelectric Project	Hitchcock Hydro, LLC	Russell, MA	6 GWh	Dec 1981	Dec 2023	Water
Fitchburg Renewables	Fitchburg Renewables, LLC	Fitchburg, MA	6 GWh	Feb 2020	Dec 2023	Solar
ZPD-PT Solar Project 2017-006 LLC Hybrid	AES Distributed Energy	Warren, MA	6 GWh	Jun 2021	Dec 2023	Solar
WED Shun II, LLC	WED Shun II, LLC	Johnston, RI	6 GWh	Dec 2018	Dec 2023	Wind
Dresser Hill CSG	Dresser Hill Solar, LLC	Southbridge, MA	6 GWh	Dec 2020	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