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
Cherry Valley Solar, LLC CSG	38 Degrees North, LLC	Leicester, MA	2 GWh	Oct 2017	Dec 2023	Solar
Chester Power Partners	Altus Power America Management, LLC	North Chester, VT	2 GWh	Oct 2014	Dec 2023	Solar
Chester Solar Farm	Kearsarge Solar LLC	Chester, MA	5 GWh	May 2014	Dec 2023	Solar
Chicopee	Captona Chicopee LLC	Chicopee, MA	2 GWh	Mar 2017	Dec 2023	Solar
Chicopee Granby Road Solar	Citizens Enterprises Corporation	Chicopee, MA	2 GWh	Dec 2014	Dec 2023	Solar
Chicopee River Solar	Citizens Enterprises Corporation	Springfield, MA	3 GWh	Dec 2014	Dec 2023	Solar
Chicopee Solar	Citizens Enterprises Corporation	Chicopee, MA	5 GWh	Nov 2013	Dec 2023	Solar
China Mill Hydro	New Hampshire Hydro Associates	Allenstown, NH	4 GWh	Jun 1981	Dec 2023	Water
Chittenden County Solar Partners	Chittenden County Solar Partners LLC	South Burlington, VT	3 GWh	Apr 2011	Dec 2023	Solar
Citizens Agawam Landfill Solar	Citizens Enterprises Corporation	Agawam, MA	3 GWh	Mar 2017	Dec 2023	Solar
Claire Solar Farm	Claire Solar Partners LLC	South Burlington, VT	3 GWh	Jun 2014	Dec 2023	Solar
Clarendon Solar Farm	Clarendon Solar Farm, LLC	North Clarendon, VT	3 GWh	Jun 2014	Dec 2023	Solar
Clark Falls	Green Mountain Power Corp	Milton, VT	20 GWh	Jan 1937	Dec 2023	Water
Clark Road Solar 1, LLC	Clark Road Solar 1, LLC	Gardner, MA	8 GWh	Nov 2020	Dec 2023	Solar
Clark University	Clark University	Worcester, MA	9 GWh	Dec 2012	Dec 2023	Natural Gas
Cleary Flood Hybrid	City of Taunton	Taunton, MA	50 GWh	May 1966	Dec 2023	Natural Gas : 95.5% Distillate Fuel Oil : 4.5%
Clement Dam Hydro LLC	Eagle Creek Renewable Energy, LLC	Tilton, NH	12 GWh	Nov 1984	Dec 2023	Water
Clinton Solar	Ecos Energy LLC	Griswold, CT	2 GWh	Apr 2021	Dec 2023	Solar
CMEEC - Bozrah	Tesla Inc.	Bozrah, CT	3 GWh	Nov 2016	Dec 2023	Solar
CMEEC - Navy NE Trident	Tesla Inc.	Groton, CT	1 GWh	May 2017	Dec 2023	Solar
CMEEC - Norwich Stott St Solar Hybrid	Tesla Inc.	Norwich, CT	2 GWh	Nov 2016	Dec 2023	Solar
CMEEC - Polaris Park Solar Hybrid	Tesla Inc.	Gordon, CT	5 GWh	Jul 2017	Dec 2023	Solar
CMEEC - Rogers Rd Solar	Tesla Inc.	Norwich, CT	2 GWh	Jan 2017	Dec 2023	Solar
Cobble Mountain	City of Holyoke Gas and Electric Dept.	Granville, MA	11 GWh	Dec 1929	Dec 2023	Water
Cohasse Solar, LLC CSG	38 Degrees North, LLC	Southbridge, MA	2 GWh	Sep 2017	Dec 2023	Solar
Colchester 16	Green Mountain Power Corp	Colchester, VT	4 MWh	Sep 1965	Dec 2023	Distillate Fuel Oil
Cold River Road Solar	AEP Onsite Partners, LLC	North Clarendon, VT	3 GWh	Nov 2016	Dec 2023	Solar
Collins Facility	Elevate Power Management LLC	Wilbraham, MA	7 GWh	Feb 1985	Dec 2023	Water
Comerford	Great River Hydro, LLC	Monroe, NH	405 GWh	Aug 1930	Dec 2023	Water
Concord Solar Farm	Kearsarge Solar LLC	Concord, MA	2 GWh	Mar 2014	Dec 2023	Solar
Conn Mun Electric Energy Coop	Tesla Inc.	Norwich, CT	1 GWh	Nov 2016	Dec 2023	Solar
Connecticut College	Bloom Energy	New London, CT	8 GWh	Aug 2019	Dec 2023	Natural Gas
Coolidge Solar 1, LLC	Coolidge Solar I, LLC	Ludlow, VT	27 GWh	Nov 2018	Sep 2024	Solar
Corbin Russwin Phase 3 Berlin	EnterSolar	Berlin, CT	2 GWh	Mar 2018	Dec 2023	Solar
CoreSite - Somerville	Bloom Energy	Somerville, MA	30 GWh	Aug 2020	Dec 2023	Natural Gas
Corkwood Solar (CSG)	NextGrid Corkwood, LLC	Howland, ME	344 MWh	Oct 2023	Dec 2023	Solar
Cos Cob	Connecticut Jet Power LLC	Greenwich, CT	1 GWh	Aug 1969	Dec 2023	Kerosene
Cosgrove Intake and Power Station	Massachusetts Water Res Auth	Clinton, MA	5 GWh	Dec 1968	Dec 2023	Water
Cottage Street Solar Facility	Western Massachusetts Electric Company	Springfield, MA	3 GWh	Apr 2014	Sep 2024	Solar
Covanta Bristol Energy	Covanta Bristol Inc	Bristol, CT	110 GWh	Nov 1987	Sep 2024	Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
Covanta Haverhill	Ogden Projects Inc-Haverhill	Haverhill, MA	346 GWh	Apr 1989	Sep 2024	Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9%
Covanta Southeastern Connecticut Company	Covanta Southeastern Connecticut Company	Preston, CT	116 GWh	Nov 1991	Sep 2024	Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Distillate Fuel Oil : 1.9%
Coventry Clean Energy Corporation	Washington Electric Coop - (VT)	Coventry, VT	52 GWh	Jun 2005	Dec 2023	Landfill Gas
Coventry Photovoltaic, LLC	Coventry Photovoltaic, LLC	Coventry, VT	2 GWh	Jul 2014	Dec 2023	Solar
CP Middletown Solar I LLC	Green Street Power Partners	Middletown, CT	2 GWh	Nov 2019	Dec 2023	Solar
CP Middletown Solar II LLC	Green Street Power Partners	Middletown, CT	2 GWh	Nov 2019	Dec 2023	Solar
CPV Towantic Energy Center	CPV Towantic, LLC	Oxford, CT	5 TWh	Apr 2018	Sep 2024	Natural Gas
Cranberry Highway Solar LLC	Cranberry Highway Solar, LLC	Wareham, MA	3 GWh	Feb 2021	Dec 2023	Solar
Cranberry Solar	GWE Cranberry Solar RT, LLC	Middleborough, MA	2 GWh	Nov 2016	Dec 2023	Solar
Cream Street Solar	Cream Street Solar, LLC	Hyde Park, NY	4 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%
Curtis Hill Solar CSG	CCC Solar Holdings LLC	Charlton, MA	3 GWh	Sep 2016	Dec 2023	Solar
CVEC Round 4 Brewster Captn Golf Course	Freemans Way Solar Project 2019, LLC	Brewster, MA	1 GWh	Feb 2022	Dec 2023	Solar
Cycz Solar Project CSG Hybrid	AES Distributed Energy	Spencer, MA	3 GWh	May 2020	Dec 2023	Solar
Danbury Hospital Cogen Plant	Danbury Hospital	Danbury, CT	26 GWh	Oct 2011	Dec 2023	Natural Gas
Dartmouth	Mass Solar, LLC	Dartmouth, MA	9 GWh	Mar 2014	Dec 2023	Solar
Dartmouth College Heating Plant	Dartmouth College	Hanover, NH	10 GWh	Dec 1969	Sep 2024	Residual Fuel Oil
Dartmouth Farms Solar	Dartmouth Farms Solar, LLC	Dartmouth, MA	4 GWh	Oct 2017	Dec 2023	Solar
Dartmouth II Solar	Consolidated Edison Development Inc.	Dartmouth, MA	2 GWh	May 2012	Dec 2023	Solar
Dartmouth Landfill	CleanCapital Holdings	Dartmouth, MA	2 GWh	Jan 2013	Dec 2023	Solar
Dartmouth Power Associates LP	Morris Energy Operations Company, LLC	Dartmouth, MA	35 GWh	Feb 1992	Dec 2023	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Dartmouth Solar	Consolidated Edison Development Inc.	Dartmouth, MA	3 GWh	Feb 2011	Dec 2023	Solar
DDR Shoppers World	Altus Power America Management, LLC	Framingham, MA	1 GWh	Oct 2017	Dec 2023	Solar
Deer Island Treatment Plant	Massachusetts Wtr Rauth-Deer I	Winthrop, MA	37 GWh	Jul 1995	Sep 2024	Other Biomass Gas : 71.1% Distillate Fuel Oil : 16.3% Water : 9.3% Solar : 1.7% Wind : 1.6%
Deer Rips	Brookfield White Pine Hydro LLC	Auburn, ME	69 GWh	Dec 1902	Dec 2023	Water
Deerfield 2	Great River Hydro, LLC	Conway, MA	39 GWh	Jul 1913	Dec 2023	Water
Deerfield 3	Great River Hydro, LLC	Buckland, MA	34 GWh	Jul 1912	Dec 2023	Water
Deerfield 4	Great River Hydro, LLC	Buckland, MA	29 GWh	Jul 1912	Dec 2023	Water
Deerfield 5	Great River Hydro, LLC	Florida, MA	63 GWh	Sep 1974	Dec 2023	Water
Deerfield CSG Solar	MN8 Energy LLC	Deerfield, MA	6 GWh	Nov 2017	Dec 2023	Solar
Deerfield Wind LLC	Avangrid Renewables LLC	Searsburg, VT	86 GWh	Nov 2017	Sep 2024	Wind
Dennis Landfill	Clean Focus Yield, LLC	Dennis, MA	7 GWh	Aug 2014	Dec 2023	Solar
Depot Hill Solar CSG	CCC Solar Holdings LLC	Charlton, MA	3 GWh	Sep 2016	Dec 2023	Solar
Dept of Corrections NCCI Wind	Dept of Corrections NCCI Wind	Gardner, MA	5 GWh	Oct 2013	Sep 2024	Wind
Derby Fuel Cell	Derby Fuel Cell LLC	Derby, CT	8 GWh	-	Dec 2023	Natural Gas
Derby Hydro	McCallum Enterprises I LP	Shelton, CT	9 GWh	Dec 1988	Dec 2023	Water
Devens	Altus Power America Management, LLC	Shirley, MA	4 GWh	May 2014	Dec 2023	Solar
Devon Station	Devon Power LLC	Milford, CT	123 MWh	Dec 1984	Dec 2023	Kerosene : 89.2% Natural Gas : 10.8%
Deweys Mill	Green Mountain Power Corp	White River Jct., VT	2 GWh	May 1989	Dec 2023	Water
DG Crystal Spring CSG	DG Crystal Spring CSG	Mattapoisett, MA	7 GWh	Jun 2017	Dec 2023	Solar
DG Dighton LLC CSG	DG Dighton, LLC	Dighton, MA	6 GWh	Jun 2017	Dec 2023	Solar
DG Foxborough Elm CSG	DG Foxborough Elm	Foxborough, MA	4 GWh	Jul 2017	Dec 2023	Solar
DG Haverhill CSG	DG Haverhill	Haverhill, MA	2 GWh	Aug 2017	Dec 2023	Solar
DG Tufts Knoll LLC CSG	DG Tufts Knoll, LLC	North Grafton, MA	3 GWh	Jul 2017	Dec 2023	Solar
DG Tufts Science LLC CSG	DG Tufts Science, LLC	North Grafton, MA	1 GWh	Jan 2017	Dec 2023	Solar
DG Webster LLC CSG	DG Webster, LLC	Webster, MA	2 GWh	Nov 2017	Dec 2023	Solar
Dickinson Solar (CT)	Ecos Energy LLC	Hampton, CT	3 GWh	May 2020	Dec 2023	Solar
Dighton Power Plant	Dighton Power, LLC	Dighton, MA	358 GWh	Apr 1999	Dec 2023	Natural Gas
Digital Fairfield	Bloom Energy	Trumbull, CT	13 GWh	May 2018	Dec 2023	Natural Gas
Dodge Falls Associates	Dodge Falls Associates LP	Bath, NH	32 GWh	Nov 1990	Dec 2023	Water
Dorchester Solar Site	Massachusetts Electric Co	Dorchester, MA	181 MWh	Dec 2011	Dec 2023	Solar
Douglas Pike Solar, LLC	Navisun LLC	Burrillville, RI	2 GWh	May 2023	Dec 2023	Solar
Douglas Solar	Consolidated Edison Development Inc.	Douglas, MA	7 GWh	Nov 2012	Dec 2023	Solar
Dover	BWC Buckmaster Pond LLC	Dover, MA	2 GWh	Jul 2017	Dec 2023	Solar
Dresser Hill CSG	Dresser Hill Solar, LLC	Southbridge, MA	6 GWh	Dec 2020	Dec 2023	Solar
Dry Bridge Solar (Brown University)	MN8 Energy LLC	North Kingstown, RI	55 GWh	Oct 2023	Sep 2024	Solar
Dudley	AMP MA Dudley	Dudley, MA	5 GWh	Jun 2018	Dec 2023	Solar
Dudley River 2 Solar, LLC CSG	38 Degrees North, LLC	Southbridge, MA	2 GWh	Oct 2017	Dec 2023	Solar
Dudley River 3 Solar, LLC CSG	38 Degrees North, LLC	Southbridge, MA	2 GWh	Oct 2017	Dec 2023	Solar
Dudley River Solar, LLC CSG	38 Degrees North, LLC	Southbridge, MA	2 GWh	Oct 2017	Dec 2023	Solar

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