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%

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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
Williamstown Solar	CVI CleanCapital Solar 1 LLC	Williamstown, VT	2 GWh	Nov 2012	Dec 2023	Solar
Georgia Mountain Community Wind Farm	Greenbacker Renewable Energy Corporation	Milton, VT	25 GWh	Nov 2012	Aug 2024	Wind
Manheim New England	Cox Enterprises	North Dighton, MA	3 GWh	Nov 2012	Dec 2023	Solar
Equity Industrial Turbines	Equity Industrial Turbines	Gloucester, MA	7 GWh	Nov 2012	Dec 2022	Wind
Clark University	Clark University	Worcester, MA	9 GWh	Dec 2012	Dec 2023	Natural Gas
EBZ Solar	Citizens Enterprises Corporation	Shirley, MA	3 GWh	Dec 2012	Dec 2023	Solar
Acushnet-Braley Road 1	CleanCapital Holdings	Freetown, MA	3 GWh	Dec 2012	Dec 2023	Solar
Fall River Solar CSG	MN8 Energy LLC	Fall River, MA	3 GWh	Jan 2013	Dec 2023	Solar
CES Sterling LLC	SunEdison LLC	Sterling, MA	3 GWh	Jan 2013	Dec 2023	Solar
Dartmouth Landfill	CleanCapital Holdings	Dartmouth, MA	2 GWh	Jan 2013	Dec 2023	Solar
Route 57 Solar	Citizens Enterprises Corporation	Agawam, MA	2 GWh	Feb 2013	Dec 2023	Solar
Whately Solar	Citizens Enterprises Corporation	Whately, MA	2 GWh	Feb 2013	Dec 2023	Solar
Acushnet- High Hill	CleanCapital Holdings	Dartmouth, MA	4 GWh	Feb 2013	Dec 2023	Solar
West Greenwich Solar	Consolidated Edison Development Inc.	West Greenwich, RI	3 GWh	Apr 2013	Aug 2024	Solar
Johnston LFG Turbine Plant	Rhode Island LFG Genco	Johnston, RI	232 GWh	Apr 2013	Aug 2024	Landfill Gas
Wilson Solar	Consolidated Edison Solutions Inc.	Spencer, MA	3 GWh	May 2013	Dec 2023	Solar
Town of East Bridgewater CSG	Tesla Inc.	East Bridgewater, MA	1 GWh	May 2013	Dec 2023	Solar
Orange PV	Terraform Arcadia	Orange, MA	2 GWh	Jun 2013	Dec 2023	Solar
Berkley East Solar LLC	SunEdison LLC	Berkley, MA	5 GWh	Jun 2013	Dec 2023	Solar
Methuen Landfill	CleanCapital Holdings	Methuen, MA	2 GWh	Jun 2013	Dec 2023	Solar
Northbridge Solar	Consolidated Edison Development Inc.	South Grafton, MA	3 GWh	Jul 2013	Dec 2023	Solar
Ludlow Landfill	CleanCapital Holdings	Ludlow, MA	3 GWh	Jul 2013	Dec 2023	Solar
WYM 1250 Palmer LLC	CVI CleanCapital Solar 6	Palmer, MA	755 MWh	Aug 2013	Dec 2023	Solar
Sheldon Solar	Excelsior Energy Capital	Sheldon Springs, VT	5 GWh	Aug 2013	Jan 2023	Solar
Open View Solar Farm	Cross Pollination Inc	New Haven, VT	3 GWh	Aug 2013	Dec 2023	Solar
Hunt Farm Solar	Altus Power America Management, LLC	Orange, MA	4 GWh	Aug 2013	Dec 2023	Solar
Stillwater B	Brookfield Black Bear Hydro, LLC	Old Town, ME	13 GWh	Aug 2013	Dec 2023	Water
Bellingham PV	Terraform Arcadia	Douglas, MA	4 GWh	Sep 2013	Dec 2023	Solar
Adams Farm Solar	Altus Power America Management, LLC	Athol, MA	4 GWh	Sep 2013	Dec 2023	Solar
Scituate PV	AES Distributed Energy	Scituate, MA	4 GWh	Sep 2013	Dec 2023	Solar
Easton Landfill	CleanCapital Holdings	Easton, MA	2 GWh	Sep 2013	Dec 2023	Solar
Plymouth Site 1	CleanCapital Holdings	Plympton, MA	7 GWh	Sep 2013	Dec 2023	Solar
Nextsun Energy Littleton	Greenbacker Renewable Energy Corporation	Littleton, MA	5 GWh	Sep 2013	Dec 2023	Solar
Grafton Solar	CD US Solar MT 2 LLC	Grafton, MA	2 GWh	Sep 2013	Dec 2023	Solar
Burgess BioPower	Berlin Station, LLC	Berlin, NH	496 GWh	Oct 2013	Dec 2023	Wood/Wood Waste Solids : 98.3% Distillate Fuel Oil : 1.7%
Dept of Corrections NCCI Wind	Dept of Corrections NCCI Wind	Gardner, MA	5 GWh	Oct 2013	Aug 2024	Wind
Franklin 1	CD US Solar MT 2 LLC	Wrentham, MA	4 GWh	Oct 2013	Dec 2023	Solar
Brockelman	Integrys MA Solar, LLC	Lancaster, MA	5 GWh	Oct 2013	Dec 2023	Solar
Orono B	Brookfield Black Bear Hydro, LLC	Orono, ME	26 GWh	Oct 2013	Dec 2023	Water
Leominster (MA)-South Street-R&D	South Street Solar, LLC	Tewksbury, MA	3 GWh	Nov 2013	Dec 2023	Solar
Brookfield Solar 2013 LLC	CVI CleanCapital Solar 6	North Brookfield, MA	2 GWh	Nov 2013	Dec 2023	Solar
Plainfield Renewable Energy LLC	Plainfield Renewable Energy, LLC	Plainfield, CT	234 GWh	Nov 2013	Dec 2023	Wood/Wood Waste Solids : 99.6%
Quittacas Pond Solar	Consolidated Edison Solutions Inc.	Rochester, MA	5 GWh	Nov 2013	Dec 2023	Solar
Marshfield PV	Terraform Arcadia	Marshfield, MA	5 GWh	Nov 2013	Dec 2023	Solar
Bridgeport Fuel Cell, LLC	Bridgeport Fuel Cell, LLC	Bridgeport, CT	105 GWh	Nov 2013	Dec 2023	Natural Gas
Somers Solar Center, LLC	Onward Energy	Somers, CT	8 GWh	Nov 2013	Dec 2023	Solar
Merrimac Solar	Consolidated Edison Development Inc.	Merrimac, MA	2 GWh	Nov 2013	Dec 2023	Solar
Forbes Street Solar	Altus Power America Management, LLC	East Providence, RI	3 GWh	Nov 2013	Dec 2023	Solar
Sudbury Landfill	Heliovaas LLC	Sudbury, MA	2 GWh	Nov 2013	Dec 2023	Solar
Integrys MA Solar, LLC - Ashburnham Site	Integrys MA Solar, LLC	Ashburnham, MA	3 GWh	Nov 2013	Dec 2023	Solar
Bolton PV	AES Distributed Energy	Bolton, MA	7 GWh	Nov 2013	Dec 2023	Solar
Stow PV	AES Distributed Energy	Stow, MA	2 GWh	Nov 2013	Dec 2023	Solar
Rehoboth Solar	Citizens Enterprises Corporation	Rehoboth, MA	3 GWh	Nov 2013	Dec 2023	Solar
Chicopee Solar	Citizens Enterprises Corporation	Chicopee, MA	5 GWh	Nov 2013	Dec 2023	Solar
West Davisville Solar	Altus Power America Management, LLC	North Kingstown, RI	3 GWh	Nov 2013	Dec 2023	Solar
Morin Solar 2013 LLC	CVI CleanCapital Solar 6	Warren, MA	5 GWh	Nov 2013	Dec 2023	Solar
Acton Solar Landfill	Heliovaas LLC	Acton, MA	1 GWh	Nov 2013	Dec 2023	Solar
Palmer Solar LLC	Palmer Solar LLC	Palmer, MA	3 GWh	Nov 2013	Dec 2022	Solar
Rockland Solar CSG	MN8 Energy LLC	Rockland, MA	3 GWh	Nov 2013	Dec 2023	Solar
Limerick Road Solar Farm	Limerick Road Solar, LLC	Shelburne, VT	3 GWh	Nov 2013	Dec 2023	Solar
Franklin 2	CD US Solar MT 2 LLC	Franklin, MA	5 GWh	Nov 2013	Dec 2023	Solar
Lowell Solar Landfill	Heliovaas LLC	Lowell, MA	1 GWh	Nov 2013	Dec 2023	Solar
KS Solar Six LLC	Kearsarge Solar LLC	Hubbardston, MA	3 GWh	Nov 2013	Dec 2023	Solar
Erving Paper Mills	Erving Paper Mills Inc	Erving, MA	42 GWh	Nov 2013	Aug 2024	Natural Gas : 98.5% Distillate Fuel Oil : 1.5%
St. Albans SPEED Project	St. Albans Solar Partners, LLC	St. Albans, VT	2 GWh	Nov 2013	Dec 2023	Solar
Ravenbrook	Captona Ravenbrook LLC	Carver, MA	7 GWh	Nov 2013	Dec 2023	Solar
Maynard PV	Terraform Arcadia	Maynard, MA	1 GWh	Dec 2013	Dec 2023	Solar
Southbridge PV	Terraform Arcadia	Southbridge, MA	4 GWh	Dec 2013	Dec 2023	Solar
Cape Cod Air Force Station - 6 SWS	US Air Force	Sagamore, MA	7 GWh	Dec 2013	Aug 2024	Wind
Little Bay	Altus Power America Management, LLC	Providence, RI	1 GWh	Feb 2014	Dec 2023	Solar
Barre II Solar Project	Kearsarge Solar LLC	Barre, MA	2 GWh	Mar 2014	Dec 2023	Solar
Concord Solar Farm	Kearsarge Solar LLC	Concord, MA	2 GWh	Mar 2014	Dec 2023	Solar
Millbury Solar	Evergreen Wind, LLC	Millbury, MA	5 GWh	Mar 2014	Dec 2023	Solar
Dartmouth	Mass Solar, LLC	Dartmouth, MA	9 GWh	Mar 2014	Dec 2023	Solar
Walpole Solar 2	Walpole Solar 2, LLC	Walpole, MA	4 GWh	Mar 2014	Dec 2023	Solar
Winchendon Solar	Altus Power America Management, LLC	Winchendon, MA	2 GWh	Mar 2014	Dec 2023	Solar
Browne Solar LLC	CVI CleanCapital Solar 1 LLC	Palmer, MA	1 GWh	Mar 2014	Dec 2023	Solar
Indian Hill Solar LLC	CVI CleanCapital Solar 1 LLC	Palmer, MA	1 GWh	Mar 2014	Dec 2023	Solar
State Street Solar LLC	CVI CleanCapital Solar 1 LLC	Palmer, MA	1 GWh	Mar 2014	Dec 2023	Solar
Westborough Solar LLC	SunRay Power LLC	Westborough, MA	2 GWh	Mar 2014	Dec 2023	Solar
Stetson Road Solar - Barre I	Kearsarge Solar LLC	Barre, MA	3 GWh	Apr 2014	Dec 2023	Solar
Mass Midstate Solar 3	Evergreen Wind, LLC	Warren, MA	6 GWh	Apr 2014	Dec 2023	Solar
Beverly	Integrys MA Solar, LLC	Beverly, MA	3 GWh	Apr 2014	Dec 2023	Solar
Mass Midstate Solar 2	Evergreen Wind, LLC	Warren, MA	7 GWh	Apr 2014	Dec 2023	Solar
Mass Midstate Solar 1	Evergreen Wind, LLC	Warren, MA	7 GWh	Apr 2014	Dec 2023	Solar
Cottage Street Solar Facility	Western Massachusetts Electric Company	Springfield, MA	3 GWh	Apr 2014	Aug 2024	Solar
Tihonet Solar	Consolidated Edison Solutions Inc.	Wareham, MA	2 GWh	Apr 2014	Dec 2023	Solar
Gardner Solar 1	Gardner Solar 1, LLC	Gardner, MA	3 GWh	Apr 2014	Dec 2023	Solar
Green Meadows	Altus Power America Management, LLC	Sandwich, MA	3 GWh	Apr 2014	Dec 2023	Solar
651 Chase Solar NG	NuGen Capital Management	Lunenburg, MA	4 GWh	May 2014	Dec 2023	Solar
Chester Solar Farm	Kearsarge Solar LLC	Chester, MA	5 GWh	May 2014	Dec 2023	Solar
North Brookfield	Mass Solar, LLC	North Brookfield, MA	4 GWh	May 2014	Dec 2023	Solar
Southern Sky Renew Energy Berkley LLC	Southern Sky Renewable Energy Berkley, LLC	Berkley, MA	3 GWh	May 2014	Dec 2023	Solar
Antares-GRE 314 East Lyme LLC	MN8 Energy LLC	East Lyme, CT	4 GWh	May 2014	Aug 2024	Solar
Devens	Altus Power America Management, LLC	Shirley, MA	4 GWh	May 2014	Dec 2023	Solar
Ayers Village Solar	Altus Power America Management, LLC	Methuen, MA	3 GWh	May 2014	Dec 2023	Solar
Lepomis PV Energy LLC	CleanCapital Holdings	Plymouth, MA	8 GWh	May 2014	Dec 2023	Solar
Nunnepog	Clean Focus Yield, LLC	Edgartown, MA	2 GWh	May 2014	Dec 2023	Solar
201 Sturbridge B	Altus Power America Management, LLC	Brimfield, MA	3 GWh	May 2014	Dec 2023	Solar
Katama Farm	Clean Focus Yield, LLC	Edgartown, MA	2 GWh	May 2014	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