New York Independent System Operator

Balancing Authority Summary Information

New York Independent System Operator is ranked #12 out of 64 balancing authorities in terms of total annual electricity generation.

Balancing Authority	New York Independent System Operator
States	New Jersey New York
Last Update	Jul 2026
Annual Generation	134.3 TWh
Power Plants	1,299
Utilities	614
Ranked #12 out of 64 in terms of net annual generation
Ranked #9 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 54.3% Nuclear \| 19.7% Water \| 17.8% Wind \| 5% Other Fuel \| 2.9%

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Daily Net Generation for New York Independent System Operator for the past 3 Years

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Cadyville	New York State Elec & Gas Corp	Town ofSchuyler Falls, NY	18 GWh	Jul 1921	Dec 2025	Water
Upper Mechanicville	New York State Elec & Gas Corp	Town of Stillwater, NY	79 GWh	Aug 1983	Dec 2024	Water
Mill C	New York State Elec & Gas Corp	Town of Plattsburgh, NY	22 GWh	Jul 1943	Dec 2025	Water
Harris Lake	New York State Elec & Gas Corp	Town of Newcomb, NY	243 MWh	Aug 1967	Dec 2025	Distillate Fuel Oil
USNY - Geddes	Abundant Solar Power Inc.	Town of Geddes, NY	1 GWh	Jun 2025	Nov 2025	Solar
Rainbow Falls Auscble	New York State Elec & Gas Corp	Town of Auscble, NY	8 GWh	Jul 1926	May 2025	Water
Mannys Corners Solar 1 (CSG)	AES Clean Energy	Town of Amsterdam, NY	8 GWh	Nov 2024	Dec 2025	Solar
NSF Torrey Site 1	NSF Torrey Site 1, LLC	Torrey, NY	9 GWh	Oct 2023	Dec 2025	Solar
NSF Torrey Site 2	NSF Torrey Site 2, LLC	Torrey, NY	9 GWh	Oct 2023	Dec 2025	Solar
NSF Torrey Site 3	NSF Torrey Site 3, LLC	Torrey, NY	9 GWh	Oct 2023	Dec 2025	Solar
Indeck Yerkes Energy Center	Indeck-Yerkes Ltd Partnership	Tonawanda, NY	63 GWh	Nov 1989	Dec 2025	Natural Gas
Corning Riverview (CSG)	CleanCapital Holdings	Tonawanda, NY	7 GWh	Nov 2020	Dec 2025	Solar
AES Tonawanda Solar LLC	AES Distributed Energy	Tonawanda, NY	3 GWh	Dec 2019	Dec 2025	Solar
Glen Mary 2	Generate Capital	Tioga, NY	3 GWh	Nov 2021	Dec 2025	Solar
Glen Mary 1	Generate Capital	Tioga, NY	8 GWh	Nov 2021	Dec 2025	Solar
State HWY 17C	Bullrock-NxtGenREA	Tioga, NY	7 GWh	May 2024	Dec 2025	Solar
Sturgeon	Central Hudson Gas & Elec Corp	Tillson, NY	49 GWh	Dec 1923	Dec 2025	Water
Ticonderoga Mill	Sylvamo North America LLC	Ticonderoga, NY	209 GWh	Dec 1969	May 2026	Natural Gas : 55.0% Black Liquor : 36.7% Residual Fuel Oil : 4.9% Wood/Wood Waste Solids : 3.4%
Lachute Hydro Lower	Central Rivers Power US, LLC	Ticonderoga, NY	8 GWh	Nov 1987	Dec 2025	Water
Lachute Hydro Upper	Central Rivers Power US, LLC	Ticonderoga, NY	8 GWh	Nov 1987	Dec 2025	Water
Pivot Solar NY 5	Pivot Energy	Ticonderoga, NY	4 GWh	Nov 2024	Dec 2025	Solar
Ticon Solar	Ticon Solar, LLC	Ticonderoga, NY	8 GWh	Oct 2024	Dec 2025	Solar
Pivot Solar NY 1	Pivot Energy	Ticonderoga, NY	9 GWh	Feb 2024	Dec 2025	Solar
Pivot Solar NY 6	Pivot Energy	Ticonderoga, NY	8 GWh	Mar 2024	Dec 2025	Solar
Pivot Solar NY 9	Pivot Energy	Ticonderoga, NY	8 GWh	Feb 2024	Dec 2025	Solar
Sacket Lake Rd #2 Community Solar Farm	Scale Sustainable I, LLC	Thompson, NY	2 GWh	Feb 2019	Dec 2025	Solar
Sacket Lake Rd #1 Community Solar Farm	Generate Capital	Thompson, NY	3 GWh	Dec 2019	Dec 2025	Solar
Theresa Plant	Energen Renewables, LLC	Theresa, NY	4 GWh	Dec 1926	Dec 2025	Water
Regeneron Pharmaceuticals Inc.	Regeneron Pharmaceuticals Inc.	Tarrytown, NY	2 GWh	Jul 2009	Dec 2025	Solar : 89.8% Distillate Fuel Oil : 10.0%
Regeneron Tarrytown	Bloom Energy	Tarrytown, NY	12 GWh	Sep 2018	Dec 2025	Natural Gas
Sweden 1	Helios Energy New York 3 LLC	Sweden, NY	7 GWh	Aug 2021	Dec 2025	Solar
BQ - Psychedelic Site CSG	Distributed Solar Development, LLC	Swan Lake, NY	4 GWh	Nov 2022	Dec 2025	Solar
Good Samaritan Hospital	Good Samaritan Hospital	Suffern, NY	23 MWh	Dec 1979	Dec 2025	Distillate Fuel Oil : 93.2% Natural Gas : 6.8%
Stuyvesant Falls	Albany Engineering Corporation	Stuyvesant, NY	13 GWh	Nov 2012	Dec 2025	Water
High Sheldon Wind Farm	Invenergy Services LLC	Strykersville, NY	248 GWh	Jan 2009	Dec 2025	Wind
Stony Creek Wind Farm NY	Invenergy Services LLC	Strykersville, NY	233 GWh	Oct 2013	Dec 2024	Wind
DOCCS Greenhaven	DOCCS Greenhaven	Stormville, NY	6 GWh	Oct 2021	Dec 2025	Solar
Green Haven	Generate Capital	Stormville, NY	702 MWh	Aug 2025	Dec 2025	Solar
Stony Brook Cogen Plant	Nissequoque Cogen Partners	Stony Brook, NY	285 GWh	Mar 1995	Dec 2025	Natural Gas
Stillwater Hydro Electric Project	GR Catalyst One, LLC	Stillwater, NY	10 GWh	Mar 1993	Dec 2025	Water
Baron Winds II	RWE Clean Energy	Steuben, NY	20 GWh	-	May 2026	Wind
Pouch	New York Power Authority	Staten Island, NY	62 GWh	Jul 2001	Dec 2025	Natural Gas
Port Richmond WWT Solar	RWE Clean Energy	Staten Island, NY	1 GWh	Jun 2015	Dec 2025	Solar
Apple Staten Island - Winant Place	Bloom Energy	Staten Island, NY	40 GWh	Jul 2022	Dec 2025	Natural Gas
Kinder Morgan Fordham	Powerflex	Staten Island, NY	4 GWh	May 2018	Dec 2025	Solar
Fuel Cell 18A Sneden Avenue	Annadale Community Clean Energy Projects LLC	Staten Island, NY	28 GWh	Nov 2020	Dec 2025	Natural Gas
Apple Staten Island - Industrial Loop	Bloom Energy	Staten Island, NY	40 GWh	May 2022	Dec 2025	Natural Gas
Fuel Cell 18B Sneden Avenue	Annadale Community Clean Energy Projects LLC	Staten Island, NY	32 GWh	Nov 2020	Dec 2025	Natural Gas
Amazon JFK8 Solar Project	Solar Star Prime 2, LLC	Staten Island, NY	7 GWh	Feb 2021	Dec 2025	Solar
Arthur Kill Generating Station	Arthur Kill Power, LLC	Staten Island, NY	2 TWh	Aug 1959	May 2026	Natural Gas
Certain Solar - Staten Island	Bloom Energy	Staten Island, NY	29 GWh	Aug 2020	Dec 2025	Natural Gas
Ontario LFGTE	Seneca Energy II	Stanley, NY	78 GWh	Oct 2003	Dec 2025	Landfill Gas
Stanford	Altus Power America Management, LLC	Stanfordville, NY	5 GWh	Jul 2021	Dec 2025	Solar
Kearsarge Oppenheim CSG	Kearsarge Oppenheim LLC	St. Johnsville, NY	2 GWh	Jun 2018	Dec 2025	Solar
Pasto Solar	Altus Power America Management, LLC	Spencer, NY	25 GWh	Sep 2019	Dec 2025	Solar
South Hampton	National Grid Generation LLC	Southampton, NY	181 MWh	Feb 1963	Dec 2025	Distillate Fuel Oil
Westerlo NY 1	Westerlo NY 1, LLC	South Westerlo, NY	3 GWh	Dec 2019	Dec 2025	Solar
South Glens Falls Hydroelectric	Boralex Hydro Operations Inc	South Glens Falls, NY	64 GWh	Jul 1994	Dec 2025	Water
Hudson Falls Hydroelectric Project	Boralex Hydro Operations Inc	South Glens Falls, NY	170 GWh	Oct 1995	Dec 2025	Water
NSF Edmeston Site 2	NSF Energy Three LLC	South Edmeston, NY	2 GWh	Aug 2025	Dec 2025	Solar
NSF Edmeston Site 1	NSF Energy Three LLC	South Edmeston, NY	2 GWh	Aug 2025	Dec 2025	Solar
CH Resources Syracuse	Lakeside Syracuse LLC	Solvay, NY	55 GWh	Dec 1993	Dec 2025	Natural Gas
Saint Catherine of Siena Medical Center	Saint Catherine of Siena Medical Center	Smithtown, NY	16 MWh	Dec 1971	Dec 2025	Distillate Fuel Oil
JLL-One Rockwood Road	JLL-One Rockwood Road	Sleppy Hollow, NY	13 MWh	Dec 2002	Dec 2025	Distillate Fuel Oil
Rose Hill Road Solar 2 - Spafford 2	38DN Asset Management LLC	Skaneateles, NY	3 GWh	Apr 2025	Dec 2025	Solar
Rose Hill Road Solar 1 - Spafford 1	38DN Asset Management LLC	Skaneateles, NY	6 GWh	Apr 2025	Dec 2025	Solar
Indeck Silver Springs Energy Center	Indeck-Energy Serv Silver Spg	Silver Springs, NY	94 GWh	Apr 1991	Dec 2025	Natural Gas
RIC - Hanover (CSG)	MN8 Energy LLC	Silver Creek, NY	8 GWh	Jul 2023	Dec 2025	Solar
Source Power Company - Silver Creek	Distributed Solar Development, LLC	Silver Creek, NY	8 GWh	Nov 2021	Dec 2025	Solar
Wading River	National Grid Generation LLC	Shoreham, NY	17 GWh	Jul 1989	Dec 2025	Distillate Fuel Oil
Shoreham Solar Commons	Duke Energy Renewables Services	Shoreham, NY	44 GWh	Jun 2018	May 2026	Solar
Shoreham Energy LLC	MPH Cross Island Power	Shoreham, NY	1 GWh	Jun 2002	Dec 2024	Kerosene
Calabro Airport South Solar Project	Agilitas Energy, Inc.	Shirley, NY	2 GWh	Nov 2019	Dec 2025	Solar
Calabro Airport North Solar Project	Agilitas Energy, Inc.	Shirley, NY	2 GWh	Nov 2019	Dec 2024	Solar
Sterling Power Plant	Sterling Power Partners LP	Sherrill, NY	23 GWh	May 1991	Dec 2025	Natural Gas : 99.9%
NY SHERMAN 191 W MAIN ST - SL 2	SL Sherman II, LLC	Sherman, NY	4 GWh	Feb 2025	Dec 2025	Solar
NY SHERMAN 176 W MAIN ST - SL 1	SL Sherman, LLC	Sherman, NY	3 GWh	Jul 2024	Dec 2025	Solar
Rivard 2	Generate Capital	Sheridan, NY	8 GWh	Nov 2023	Dec 2025	Solar
Rivard 1	Generate Capital	Sheridan, NY	8 GWh	Nov 2023	Dec 2025	Solar
Kenmare - Sullivan Community College	MN8 Energy LLC	Sheldrake, NY	2 GWh	Jun 2015	Dec 2025	Solar
Magruder Solar Community Solar	Magruder Solar, LLC	Shawangunk, NY	335 MWh	Nov 2025	Dec 2025	Solar
East Point Energy Center	East Point Energy Center, LLC	Sharon Springs, NY	102 GWh	Apr 2024	May 2026	Solar
Sharon Springs	Onyx Asset Services Group	Sharon Springs, NY	3 GWh	Apr 2018	Dec 2025	Solar
Cornell Geneva Solar Farm	Novis Renewables, LLC	Seneca, NY	2 GWh	Nov 2015	Dec 2025	Solar
Canoga Solar	Generate Capital	Seneca Falls, NY	5 GWh	Jun 2021	Dec 2025	Solar
Sangolqui Solar	Generate Capital	Seneca Falls, NY	4 GWh	Aug 2021	Dec 2025	Solar
Seneca Falls Hydroelectric Project	C-S Canal Hydro, LLC	Seneca Falls, NY	7 GWh	Dec 1916	Dec 2025	Water
Seneca Energy	Seneca Energy II	Seneca Falls, NY	33 GWh	Feb 1996	May 2026	Landfill Gas
Donati Solar	Generate Capital	Seneca Falls, NY	3 GWh	Sep 2021	Dec 2025	Solar
Bethlehem - West	Madison Energy Investments LLC	Selkirk, NY	2 GWh	Feb 2016	Dec 2025	Solar
Selkirk Cogen	Selkirk Cogen Partners LP	Selkirk, NY	346 GWh	Mar 1992	Oct 2025	Natural Gas
Bethlehem - East	Madison Energy Investments LLC	Selkirk, NY	2 GWh	Feb 2016	Dec 2025	Solar
Cedar Creek PV	AES Distributed Energy	Seaford, NY	3 GWh	May 2017	Dec 2025	Solar
Summit - Scriba CSG	MN8 Energy LLC	Scriba, NY	6 GWh	Aug 2023	Dec 2025	Solar
Wheatland 2A Solar	Generate Capital	Scottsville, NY	8 GWh	Nov 2021	Dec 2025	Solar
Wheatland 2B Solar	Generate Capital	Scottsville, NY	8 GWh	Nov 2021	Dec 2025	Solar
Sunnyside 1 Solar	Solar DG NY Sunnyside 1, LLC	Scotia, NY	8 GWh	Feb 2023	Dec 2025	Solar
Sunnyside 2 Solar	Solar DG NY Sunnyside 2, LLC	Scotia, NY	8 GWh	Feb 2023	Dec 2025	Solar
Schuylerville	Erie Boulevard Hydropower LP	Schuylerville, NY	7 GWh	Dec 1918	Dec 2025	Water
Gifford CSG	Nautilus Solar Solutions	Schenectady, NY	3 GWh	Nov 2018	Dec 2025	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	442.5 GWh	4
#24	Dominion Energy South Carolina, Inc.	25.3 TWh	83
#13	Duke Energy Carolinas	112.6 TWh	577
#17	Duke Energy Progress East	64.5 TWh	565
#50	Duke Energy Progress West	4.5 TWh	15
#15	ISO New England	111.1 TWh	1,629
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	33.9 TWh	25
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#31	South Carolina Public Service Authority	18.5 TWh	35
#59	Southeastern Power Administration	1.3 TWh	11

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577
#15	ISO New England	111.1 TWh	1,629
#16	Bonneville Power Administration	91.6 TWh	167
#17	Duke Energy Progress East	64.5 TWh	565
#18	PacifiCorp East	60.9 TWh	222