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
Pittsford	Green Mountain Power Corp	Pittsford, VT	10 GWh	Jan 1914	Dec 2023	Water
Plainfield Renewable Energy LLC	Plainfield Renewable Energy, LLC	Plainfield, CT	234 GWh	Nov 2013	Dec 2023	Wood/Wood Waste Solids : 99.6%
Plainfield Solar 2	Ecos Energy LLC	Plainfield, CT	1 GWh	Mar 2020	Dec 2023	Solar
Plainfield Solar 1	Ecos Energy LLC	Plainfield, CT	1 GWh	Dec 2019	Dec 2023	Solar
Plainfield Community Solar LLC	Plainfield Solar LLC	Plainfield, MA	3 GWh	Jan 2019	Dec 2023	Solar
Solten Plainville 6000, LLC	Altus Power America Management, LLC	Plainville, MA	7 GWh	Jul 2017	Dec 2023	Solar
Wilmarth Solar	Wilmarth Lane Solar 1, LLC	Plainville, MA	8 GWh	Jan 2020	Dec 2023	Solar
Lepomis PV Energy LLC	CleanCapital Holdings	Plymouth, MA	8 GWh	May 2014	Dec 2023	Solar
New Bedford (MA) Plymouth	BWC Origination 4, LLC	Plymouth, MA	7 GWh	Jun 2014	Dec 2023	Solar
Future Generation Wind	Consolidated Edison Solutions Inc.	Plymouth, MA	12 GWh	Jul 2016	Dec 2023	Wind
Cedarville CSG	Altus Power America Management, LLC	Plymouth, MA	4 GWh	Jun 2017	Dec 2023	Solar
Camelot Wind LLC	Camelot Wind LLC	Plymouth, MA	2 GWh	Sep 2012	Dec 2023	Wind
Plymouth Solar	NSTAR Electric Company	Plymouth, MA	1 GWh	May 2018	Dec 2023	Solar
Big George PV CSG	Altus Power America Management, LLC	Plymouth, MA	1 GWh	Aug 2018	Dec 2023	Solar
Brook Street Solar 1 CSG	Brook Street Solar 1, LLC	Plympton, MA	5 GWh	Jul 2017	Dec 2023	Solar
Plymouth Site 1	CleanCapital Holdings	Plympton, MA	7 GWh	Sep 2013	Dec 2023	Solar
Redbrook Community Solar 1	Redbrook Solar 1, LLC	Plympton, MA	10 GWh	Sep 2017	Dec 2023	Solar
Lewiston Junction Road Solar	NextGrid Peppertree, LLC	Poland, ME	6 GWh	Dec 2021	Dec 2023	Solar
Woods Hill Solar	Woods Hill Solar, LLC	Pomfret, CT	24 GWh	Nov 2018	Aug 2024	Solar
Regional Waste Systems	Ecomaine	Portland, ME	81 GWh	May 1988	Aug 2024	Non-biogenic Municipal Solid Waste : 54.4% Biogenic Municipal Solid Waste : 44.5% Natural Gas : 1.0%
Cape Gas Turbine	FPL Energy Cape LLC	Portland, ME	532 MWh	Dec 1969	Dec 2023	Distillate Fuel Oil
Schiller	Granite Shore Power	Portsmouth, NH	776 MWh	Sep 1952	Aug 2024	Jet Fuel
Founders Homestead Farms Solar	AES Distributed Energy	Portsmouth, RI	7 GWh	Nov 2019	Aug 2024	Solar
WED Portsmouth One, LLC	Greenbacker Renewable Energy Corporation	Portsmouth, RI	4 GWh	Jul 2016	Dec 2023	Wind
Kearsarge West Shore Solar LLC	Kearsarge West Shore Solar LLC	Portsmouth, RI	7 GWh	Nov 2022	Dec 2023	Solar
McAllister Landfill	Solar Breakers LLC	Portsmouth, RI	693 MWh	Sep 2022	Dec 2023	Solar
Tank Farm 4	Solar Breakers LLC	Portsmouth, RI	4 GWh	Sep 2022	Dec 2023	Solar
Roger Williams - Melville at Portsmouth	Luminace Solar Rhode Island, LLC	Portsmouth, RI	5 GWh	Feb 2021	Dec 2023	Solar
SVEP Solar Project Company	CVI CleanCapital Solar 1 LLC	Pownal, VT	2 GWh	Nov 2012	Dec 2023	Solar
Covanta Southeastern Connecticut Company	Covanta Southeastern Connecticut Company	Preston, CT	117 GWh	Nov 1991	Aug 2024	Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Distillate Fuel Oil : 1.9%
Tunnel	FirstLight Power Resources Services LLC	Preston, CT	12 GWh	Dec 1918	Dec 2023	Water : 98.2% Jet Fuel : 1.8%
Princeton Wind Farm	Town of Princeton - (MA)	Princeton, MA	3 GWh	Dec 2009	Dec 2023	Wind
Proctor	Green Mountain Power Corp	Proctor, VT	35 GWh	Jul 1905	Dec 2023	Water
Little Bay	Altus Power America Management, LLC	Providence, RI	1 GWh	Feb 2014	Dec 2023	Solar
NBC Field's Point Wind Farm	Narragansett Bay Commission	Providence, RI	5 GWh	Sep 2012	Aug 2024	Wind
Thundermist Hydro	City of Woonsocket	Providence, RI	5 GWh	May 1981	Sep 2023	Water
Manchester Street	Manchester Street, LLC.	Providence, RI	1 TWh	Aug 1995	Aug 2024	Natural Gas : 99.7%
Rhode Island Hospital	Rhode Island Hospital	Providence, RI	9 GWh	Sep 1974	Aug 2024	Natural Gas : 89.3% Residual Fuel Oil : 10.7%
Green Providence Wind I, LLC	Green Providence Wind I, LLC	Providence, RI	1 GWh	Nov 2021	Dec 2023	Wind
Green Providence Wind II, LLC	Green Providence Wind II, LLC	Providence, RI	3 GWh	Nov 2021	Dec 2023	Wind
Boston Scientific Solar	Consolidated Edison Solutions Inc.	Quincy, MA	1 GWh	Nov 2012	Dec 2023	Solar
Water Street Solar	AES Distributed Energy	Randolph, ME	6 GWh	Nov 2022	Dec 2023	Solar
Randolph	Altus Power America Management, LLC	Randolph, MA	6 GWh	Oct 2017	Dec 2023	Solar
Williams Rd	AES Distributed Energy	Ransomville, NY	6 GWh	Aug 2021	Dec 2023	Solar
GSPP Raynham TMLP, LLC CSG	Green Street Power Partners	Raynham, MA	4 GWh	Jan 2019	Dec 2023	Solar
Rehoboth Solar	Citizens Enterprises Corporation	Rehoboth, MA	3 GWh	Nov 2013	Dec 2023	Solar
BWC Swan Pond River CSG	BWC Swan Pond River, LLC	Rehoboth, MA	2 GWh	Nov 2015	Dec 2023	Solar
Richmond Hill	Greenbacker Renewable Energy Corporation	Richmond, ME	16 MWh	Nov 2023	Dec 2023	Solar
WED Stilson Solar	CleanCapital Holdings	Richmond, RI	3 GWh	Nov 2017	Dec 2023	Solar
GD Richmond Buttonwoods I, LLC	GD Richmond Buttonwoods I, LLC	Richmond, RI	2 GWh	Nov 2019	Dec 2023	Solar
WED Kingstown Solar I, LLC - West	CleanCapital Holdings	Richmond, RI	2 GWh	Nov 2017	Dec 2023	Solar
GMP Solar - Richmond	Green Mountain Power Corp	Richmond, VT	3 GWh	Sep 2016	Aug 2024	Solar
Quittacas Pond Solar	Consolidated Edison Solutions Inc.	Rochester, MA	5 GWh	Nov 2013	Dec 2023	Solar
Old Middleboro Road Solar	Agilitas Energy, Inc.	Rochester, MA	10 GWh	Dec 2022	Dec 2023	Solar
Rounseville Solar	Rounseville Solar 1, LLC	Rochester, MA	4 GWh	Jan 2020	Dec 2023	Solar
Turnkey Landfill Gas Recovery	WM Renewable Energy LLC	Rochester, NH	45 GWh	Jan 1992	Dec 2023	Landfill Gas
Rockland Solar CSG	MN8 Energy LLC	Rockland, MA	3 GWh	Nov 2013	Dec 2023	Solar
Samoset Solar	Samoset Solar, LLC	Rockport, ME	2 GWh	Jun 2023	Dec 2023	Solar
BWC Maces Pond LLC	Navisun LLC	Rockport, ME	4 GWh	Nov 2021	Dec 2023	Solar
Brassua Hydroelectric Project	Brassua Hydroelectric LP	Rockwood, ME	20 GWh	Aug 1989	Dec 2023	Water
Town of Rocky Hill PV CSG	Tesla Inc.	Rocky Hill, CT	5 GWh	Feb 2018	Dec 2023	Solar
Rollinsford	Green Mountain Power Corp	Rollinsford, NH	4 GWh	Sep 1986	Dec 2023	Water
Sherman	Great River Hydro, LLC	Rowe, MA	35 GWh	Nov 1926	Dec 2023	Water
RoxWind	RoxWind LLC	Roxbury, ME	10 GWh	Oct 2021	Dec 2023	Wind
Record Hill Wind	Record Hill Wind LLC	Roxbury, ME	111 GWh	Dec 2011	Dec 2023	Wind
Rumford Power LLC	Rumford Power	Rumford, ME	403 GWh	Jun 2000	Dec 2023	Natural Gas
Rumford Falls Hydro Facility	Brookfield Power New England	Rumford, ME	290 GWh	Dec 1917	Dec 2023	Water
Rumford Cogeneration	ND Paper, Inc.	Rumford, ME	391 GWh	Dec 1989	Aug 2024	Black Liquor : 51.2% Tire-derived Fuels : 23.1% Wood/Wood Waste Solids : 13.6% Bituminous Coal : 9.0% Residual Fuel Oil : 2.4% Sludge Waste : 0.8%
Mainely Solar (Wyman Hill Solar LLC)	Wyman Hill Solar, LLC	Rumford, ME	4 GWh	Nov 2022	Dec 2023	Solar
Indian River Hydro	Eagle Creek Renewable Energy, LLC	Russell, MA	2 GWh	Nov 1909	Dec 2023	Water
Texon Hydroelectric Project	Hitchcock Hydro, LLC	Russell, MA	6 GWh	Dec 1981	Dec 2023	Water
Holiday Hill Community Wind	Greenbacker Renewable Energy Corporation	Russell, MA	10 GWh	Nov 2019	Dec 2023	Wind
Rutland	Green Mountain Power Corp	Rutland City, VT	84 MWh	Nov 1962	Mar 2024	Distillate Fuel Oil
Pleasantdale Road Community Solar	Pleasantdale Road Solar, LLC	Rutland, MA	1 GWh	Aug 2017	Dec 2023	Solar
RGS-Rutland VNM SREC II Project (MA)	TerraForm Solar XVII, LLC	Rutland, MA	2 GWh	Oct 2015	Dec 2023	Solar
Golden Hills Solar	Golden Hills Solar, LLC	Rutland, MA	8 GWh	Aug 2017	Dec 2023	Solar
Upper Blackstone (MA) Treasure Valley	Nexamp Treasure Valley Solar, LLC	Rutland, MA	7 GWh	Jun 2014	Dec 2023	Solar
Wachusett Solar	Wachusett Solar, LLC	Rutland, MA	3 GWh	Jul 2019	Dec 2023	Solar
Gray Solar	Ecos Energy LLC	Rutland, VT	463 MWh	Jul 2023	Dec 2023	Solar
MacKinnon Solar	Ecos Energy LLC	Rutland, VT	3 GWh	Jul 2021	Dec 2023	Solar
Park St	Greenbacker Renewable Energy Corporation	Rutland, VT	2 GWh	Nov 2014	Dec 2023	Solar
Glen	Green Mountain Power Corp	Rutland, VT	8 GWh	Jul 1920	Dec 2023	Water
Stafford Hill Solar Hybrid	Green Mountain Power Corp	Rutland, VT	859 MWh	Feb 2015	Aug 2024	Solar
Main Street Solar Project	Greenbacker Renewable Energy Corporation	Rutland, VT	2 GWh	Nov 2014	Dec 2023	Solar
Cataract Hydro	Brookfield White Pine Hydro LLC	Saco, ME	2 GWh	Dec 1936	Dec 2023	Water
Cape Cod Air Force Station - 6 SWS	US Air Force	Sagamore, MA	7 GWh	Dec 2013	Aug 2024	Wind
Salem Harbor Power Development LP	Salem Harbor Power Development LP	Salem, MA	1 TWh	Apr 2018	Aug 2024	Natural Gas
True North	CD US Solar MT1 LLC	Salisbury, MA	7 GWh	Jul 2012	Dec 2023	Solar
Salisbury	Green Mountain Power Corp	Salisbury, VT	4 GWh	Jan 1917	Dec 2023	Water
Silver Lake (VT)	Green Mountain Power Corp	Salisbury, VT	7 GWh	Jan 1917	Dec 2023	Water
Renew Canal 1 CSG LLC	NRG Renew Canal 1 LLC	Sandwich, MA	2 GWh	May 2017	Dec 2023	Solar
Canal	Canal Generating LLC	Sandwich, MA	202 GWh	May 1968	Aug 2024	Natural Gas : 77.7% Residual Fuel Oil : 21.1% Distillate Fuel Oil : 1.2%
Green Meadows	Altus Power America Management, LLC	Sandwich, MA	3 GWh	Apr 2014	Dec 2023	Solar
ASD Cotuit MA Solar LLC	ASD Cotuit MA Solar LLC	Sandwich, MA	110 MWh	Oct 2023	Dec 2023	Solar
Sanford Solar	Sanford Airport Solar, LLC	Sanford, ME	88 GWh	Oct 2020	Aug 2024	Solar
Wheelabrator Saugus	Wheelabrator Environmental Systems	Saugus, MA	225 GWh	Jul 1985	Aug 2024	Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Savoy Solar PV	NSTAR Electric Company	Savoy, MA	3 GWh	Jan 2019	Dec 2023	Solar
BWC Beech Ridge Brook, LLC	Navisun LLC	Scarborough, ME	5 GWh	Apr 2023	Dec 2023	Solar
Scituate Wind	Scituate Wind LLC	Scituate, MA	2 GWh	Feb 2012	Dec 2023	Wind
Scituate PV	AES Distributed Energy	Scituate, MA	4 GWh	Sep 2013	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