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	Dec 2024
Annual Generation	103.6 TWh
Power Plants	1,487
Utilities	782
Ranked #15 out of 65 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 57.4% Nuclear \| 25.1% Water \| 7.4% Other Fuel \| 4.5% Wind \| 3.3% Solar \| 1.2% Coal \| 0.2%

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
0 Hammond St CSG	0HAM WHAM8 Solar, LLC	Carver, MA	7 GWh	Sep 2021	Dec 2023	Solar : 99.3%
158th Fighter Wing Solar Farm	158th Fighter Wing	South Burlington, VT	1 GWh	Aug 2011	Dec 2023	Solar
160 Tihonet Rd Hybrid(CSG)	160TIH WHAM8 Solar, LLC	Wareham, MA	10 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
1639 RT 29 Solar 2	1639 RT 29 Solar 2, LLC	Gloversville, NY	5 GWh	Nov 2020	Dec 2023	Solar
196 Tremont St(CSG)	196TRE WHAM8 Solar, LLC	Carver, MA	4 GWh	Oct 2021	Dec 2023	Solar
FDX010.0 FedEx Fuel Cell	2016 ESA Project Company, LLC	Middletown, CT	7 GWh	Aug 2018	Dec 2023	Natural Gas
276 Federal Rd(CSG)	276FED WHAM8 Solar, LLC	Carver, MA	5 GWh	Oct 2021	Dec 2023	Solar
28 Livermore Hill Road Solar	28 Livermore Hill Road Solar, LLC	Westminster, MA	8 GWh	May 2020	Dec 2023	Solar
299 Farm to Market Rd Hybrid(CSG)	299F2M WHAM8 Solar, LLC	Wareham, MA	8 GWh	Nov 2021	Dec 2023	Solar
3104 Batavia Solar	3104 Batavia Solar, LLC	Batavia, NY	5 GWh	Feb 2021	Dec 2023	Solar
3232 Batavia Solar	3232 Batavia Solar, LLC	Batavia, NY	7 GWh	Feb 2021	Dec 2023	Solar
St. Joseph's Solar, LLC CSG	38 Degrees North, LLC	Charlton, MA	2 GWh	Nov 2017	Dec 2023	Solar
Dudley River 3 Solar, LLC CSG	38 Degrees North, LLC	Southbridge, MA	2 GWh	Oct 2017	Dec 2023	Solar
JH Solar, LLC CSG	38 Degrees North, LLC	North Brookfield, MA	2 GWh	Oct 2017	Dec 2023	Solar
Barton Acres Solar, LLC CSG	38 Degrees North, LLC	Phillipston, MA	2 GWh	Sep 2017	Dec 2023	Solar
Blair Wire Village Solar, LLC CSG	38 Degrees North, LLC	Spencer, MA	2 GWh	Nov 2017	Dec 2023	Solar
Dudley River Solar, LLC CSG	38 Degrees North, LLC	Southbridge, MA	2 GWh	Oct 2017	Dec 2023	Solar
Cohasse Solar, LLC CSG	38 Degrees North, LLC	Southbridge, MA	2 GWh	Sep 2017	Dec 2023	Solar
Boutillier Solar, LLC CSG	38 Degrees North, LLC	Leicester, MA	5 GWh	Mar 2018	Dec 2023	Solar
ISM Solar Dighton 2, LLC CSG	38 Degrees North, LLC	Dighton, MA	4 GWh	Nov 2017	Dec 2023	Solar
Palombo Solar, LLC CSG	38 Degrees North, LLC	Uxbridge, MA	3 GWh	Nov 2017	Dec 2023	Solar
Palombo B Solar, LLC CSG	38 Degrees North, LLC	Uxbridge, MA	2 GWh	Nov 2017	Dec 2023	Solar
Incom Solar, LLC CSG	38 Degrees North, LLC	Charlton, MA	4 GWh	Oct 2017	Dec 2023	Solar
Dudley River 2 Solar, LLC CSG	38 Degrees North, LLC	Southbridge, MA	2 GWh	Oct 2017	Dec 2023	Solar
Cherry Valley Solar, LLC CSG	38 Degrees North, LLC	Leicester, MA	2 GWh	Oct 2017	Dec 2023	Solar
Woodchuck Solar, LLC CSG	38 Degrees North, LLC	Spencer, MA	2 GWh	Nov 2017	Dec 2023	Solar
Ledeaux Solar, LLC CSG	38 Degrees North, LLC	North Brookfield, MA	1 GWh	Oct 2017	Dec 2023	Solar
Bowden Solar LLC	38DN Power Fund 1 LLC	Monson, MA	3 GWh	Feb 2019	Dec 2023	Solar
59 Federal Rd(CSG)	59FED WHAM8 Solar, LLC	Carver, MA	13 GWh	Oct 2021	Dec 2023	Solar
71 Charlotte Furnace Rd Hybrid(CSG)	71CFR WHAM8 Solar, LLC	Wareham, MA	7 GWh	Nov 2021	Dec 2023	Solar
77 Farm to Market Rd Hybrid(CSG)	77F2M WHAM8 Solar, LLC	Wareham, MA	11 GWh	Nov 2021	Dec 2023	Solar
Acton	Acton H Road Solar 1, LLC	Acton, ME	5 GWh	Nov 2021	Dec 2023	Solar
North Stonington Solar Center, LLC	Adapture Renewables, Inc.	North Stonington, CT	31 GWh	Sep 2022	Dec 2023	Solar
Hope Farm Solar, LLC	Adapture Renewables, Inc.	Cranston, RI	16 GWh	Aug 2019	Dec 2023	Solar
Pine Hill	AEP Onsite Partners, LLC	Johnston, RI	8 GWh	Jul 2020	Dec 2023	Solar
Trinity College Fuel Cell	AEP Onsite Partners, LLC	Hartford, CT	9 GWh	Jul 2018	Dec 2023	Natural Gas
Cold River Road Solar	AEP Onsite Partners, LLC	North Clarendon, VT	3 GWh	Nov 2016	Dec 2023	Solar
North Smithfield Solar Power 1	AEP Onsite Partners, LLC	North Smithfield, RI	919 MWh	Nov 2018	Dec 2023	Solar
Treasure Lane Solar 1	AES Clean Energy	Manchester, ME	1 GWh	Apr 2023	Dec 2023	Solar
Caterpillar Hill	AES Clean Energy	Sedgwick, ME	235 MWh	Nov 2023	Dec 2023	Solar
McDougle-Mitchell Solar Project Hybrid CSG	AES Distributed Energy	Charlton, MA	7 GWh	Jul 2020	Dec 2023	Solar
Redman North Community Solar	AES Distributed Energy	Brockport, NY	3 GWh	Jan 2022	Dec 2023	Solar
Townline Community Solar	AES Distributed Energy	Batavia, NY	7 GWh	Jan 2022	Dec 2023	Solar
Water Street Solar	AES Distributed Energy	Randolph, ME	6 GWh	Nov 2022	Dec 2023	Solar
BWC Stony Brook, LLC Hybrid	AES Distributed Energy	Chelmsford, MA	2 GWh	Jun 2021	Dec 2023	Solar
BWC Muddy Brook, LLC Hybrid	AES Distributed Energy	Mendon, MA	2 GWh	Aug 2021	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%
Rowe (CSG)	AES Distributed Energy	Olean, NY	8 GWh	Oct 2021	Dec 2023	Solar
Redman South Community Solar	AES Distributed Energy	Brockport, NY	8 GWh	Jan 2022	Dec 2023	Solar
Amaterasu LLC	AES Distributed Energy	Lancaster, MA	7 GWh	May 2021	Dec 2023	Solar
Southbridge Solar	AES Distributed Energy	Southbridge, MA	2 GWh	Feb 2016	Sep 2024	Solar
Brookwood Drive Community Solar	AES Distributed Energy	Westport, MA	5 GWh	Jul 2022	Dec 2023	Solar
Alicea Solar Project Hybrid CSG	AES Distributed Energy	Southbridge, MA	4 GWh	Nov 2020	Dec 2023	Solar
ZPD-PT Solar Project 2017-006 LLC Hybrid	AES Distributed Energy	Warren, MA	6 GWh	Jun 2021	Dec 2023	Solar
University Solar, LLC	AES Distributed Energy	West Greenwich, RI	28 GWh	Nov 2019	Sep 2024	Solar
East Brookfield Main Street Solar LLC CSG	AES Distributed Energy	East Brookfield, MA	2 GWh	Nov 2020	Dec 2023	Solar
Cronin Road Solar 1, LLC CSG Hybrid	AES Distributed Energy	Warren, MA	3 GWh	May 2020	Dec 2023	Solar : 99.7%
ZPD-PT Solar Project 2017-038 Hybrid LLC	AES Distributed Energy	Lancaster, MA	7 GWh	Mar 2021	Dec 2023	Solar
Randall Solar Project Hybrid	AES Distributed Energy	Berlin, MA	9 GWh	Jun 2021	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%
Bolton PV	AES Distributed Energy	Bolton, MA	7 GWh	Nov 2013	Dec 2023	Solar
West Haydenville PJ Community Solar	AES Distributed Energy	Williamsburg, MA	8 GWh	Aug 2022	Dec 2023	Solar
Annese Solar Project Hybrid CSG	AES Distributed Energy	Southbridge, MA	7 GWh	Nov 2020	Dec 2023	Solar
Partridge Hill Solar Hybrid	AES Distributed Energy	Charlton, MA	3 GWh	Jun 2020	Dec 2023	Solar
W. Orange Rd Solar LLC	AES Distributed Energy	Orange, MA	7 GWh	Aug 2021	Dec 2023	Solar
Ryan Road Solar LLC Hybrid(CSG)	AES Distributed Energy	North Brookfield, MA	8 GWh	Nov 2021	Dec 2023	Solar
Lane Ave Solar LLC	AES Distributed Energy	North Brookfield, MA	2 GWh	Aug 2021	Dec 2023	Solar
Williams Rd	AES Distributed Energy	Ransomville, NY	6 GWh	Aug 2021	Dec 2023	Solar
Cycz Solar Project CSG Hybrid	AES Distributed Energy	Spencer, MA	3 GWh	May 2020	Dec 2023	Solar
Knapp West(CSG)	AES Distributed Energy	Akron, NY	6 GWh	Nov 2021	Dec 2023	Solar
ZPD-PT Solar Project 2017-023 LLC Hybrid CSG	AES Distributed Energy	Southbridge, MA	4 GWh	Dec 2020	Dec 2023	Solar
ZPD-PT Solar Project 2017-044 LLC CSG	AES Distributed Energy	Spencer, MA	846 MWh	Sep 2021	Dec 2023	Solar
Barre Solar III LLC	AES Distributed Energy	Barre, MA	1 GWh	Feb 2018	Dec 2023	Solar
Dusenberry	AES Distributed Energy	Troy, NY	8 GWh	Nov 2021	Dec 2023	Solar
Glenmere Lake	AES Distributed Energy	Goshen, NY	4 GWh	May 2021	Dec 2023	Solar : 99.6%
Stow PV	AES Distributed Energy	Stow, MA	2 GWh	Nov 2013	Dec 2023	Solar
Spring Hill Road	AES Distributed Energy	Barre, MA	3 GWh	Nov 2015	Mar 2024	Solar
Scituate PV	AES Distributed Energy	Scituate, MA	4 GWh	Sep 2013	Dec 2023	Solar
Blackhorse Farm Solar, LLC CSG	AES Distributed Energy	Warren, RI	6 GWh	Nov 2020	Dec 2023	Solar
Main Rd Community Solar	AES Distributed Energy	Newstead, NY	8 GWh	Jun 2022	Dec 2023	Solar
West A&B Solar Project Hybrid CSG	AES Distributed Energy	Southbridge, MA	5 GWh	Nov 2020	Dec 2023	Solar
West Street Solar 1 LLC	AES Distributed Energy	Gardner, MA	8 GWh	Nov 2019	Dec 2023	Solar
Hurteau Solar Project Hybrid	AES Distributed Energy	Uxbridge, MA	3 GWh	Feb 2020	Dec 2023	Solar : 98.8%
Palmer	AES Distributed Energy	Palmer, MA	6 GWh	Sep 2019	Dec 2023	Solar
Dynamic - Walpole	AES Distributed Energy	Walpole, MA	3 GWh	May 2017	Dec 2023	Solar
Founders Homestead Farms Solar	AES Distributed Energy	Portsmouth, RI	7 GWh	Nov 2019	Sep 2024	Solar
Richmond NMCA	AES Distributed Energy	Wood River Junction, RI	6 GWh	Nov 2018	Sep 2024	Solar
Williamsburg	AES Distributed Energy	Goshen, MA	6 GWh	Jun 2019	Dec 2023	Solar
Knapp East (CSG)	AES Distributed Energy	Akron, NY	7 GWh	Nov 2021	Dec 2023	Solar
BWC Lake Lashaway, LLC Hybrid	AES Distributed Energy	North Brookfield, MA	8 GWh	Apr 2021	Dec 2023	Solar
Wilbur Woods Solar LLC	AES Distributed Energy	Orange, MA	8 GWh	Aug 2021	Dec 2023	Solar
Auburn Solar Project	Agilitas Energy, Inc.	Auburn, MA	8 GWh	Apr 2022	Dec 2023	Solar
Old Middleboro Road Solar	Agilitas Energy, Inc.	Rochester, MA	10 GWh	Dec 2022	Dec 2023	Solar
MA Military Reservation Wind Project	Air Force Civil Engineer Center	Otis ANG Base Bourne, MA	10 GWh	Nov 2009	Dec 2023	Wind
Algonquin Windsor Locks	Algonquin Windsor Locks LLC	Windsor Locks, CT	129 GWh	Dec 1989	Sep 2024	Natural Gas : 99.9%
DDR Shoppers World	Altus Power America Management, LLC	Framingham, MA	1 GWh	Oct 2017	Dec 2023	Solar
Hopkinton CSG	Altus Power America Management, LLC	Hopkinton, MA	3 GWh	Mar 2019	Dec 2023	Solar
Ayers Village Solar	Altus Power America Management, LLC	Methuen, MA	3 GWh	May 2014	Dec 2023	Solar
Meadow Solar	Altus Power America Management, LLC	Boston, MA	4 GWh	Nov 2016	Dec 2023	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	900.7 GWh	4
#25	Dominion Energy South Carolina, Inc.	26.0 TWh	85
#13	Duke Energy Carolinas	110.8 TWh	556
#17	Duke Energy Progress East	63.1 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	129.6 TWh	1,100
#1	PJM Interconnection, LLC	842.1 TWh	2,305
#31	South Carolina Public Service Authority	17.8 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	191.4 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.4 TWh	159
#12	New York Independent System Operator	129.6 TWh	1,100
#13	Duke Energy Carolinas	110.8 TWh	556
#15	ISO New England	103.6 TWh	1,487
#16	Bonneville Power Administration	79.9 TWh	158
#17	Duke Energy Progress East	63.1 TWh	554
#18	Salt River Project Agricultural Improvement and Power District	58.9 TWh	45
#19	PacifiCorp East	52.9 TWh	204