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	Oct 2026
Annual Generation	134.1 TWh
Power Plants	1,334
Utilities	620
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 \| 54.2% Nuclear \| 19.4% Water \| 18.3% Wind \| 5.2% 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
Mount Kisco Landfill Solar & Storage CSG	BQ Energy LLC	Mount Kisco, NY	638 MWh	Nov 2020	Dec 2025	Solar
Morris Ridge Solar	Morris Ridge Solar Energy Center, LLC	Mount Morris, NY	300 GWh	Oct 2024	Jul 2026	Solar
Montefiore Mount Vernon Hospital	Montefiore Mount Vernon Hospital	Mount Vernon, NY	14 MWh	Dec 1975	Dec 2025	Distillate Fuel Oil
Finchville Solar, LLC Hybrid CSG	AES Distributed Energy	Mt. Hope, NY	4 GWh	Sep 2020	Dec 2025	Solar
Grand Prix Solar	Diamond Properties	Mt. Kisco, NY	280 MWh	Feb 2014	Dec 2025	Solar
Stockbridge	Greenbacker Renewable Energy Corporation	Munnsville, NY	892 MWh	Sep 2025	Dec 2025	Solar
Rockland Bakery Inc.	Rockland Bakery Inc.	Nanuet, NY	22 MWh	Dec 1995	Dec 2025	Natural Gas : 93.4% Distillate Fuel Oil : 6.6%
NY Lower Road II CSG	Lower Road II, LLC	New Hampton, NY	4 GWh	Nov 2023	Dec 2025	Solar
NY Lower Road III CSG	Lower Road III, LLC	New Hampton, NY	4 GWh	Nov 2023	Dec 2025	Solar
New Hartford	38DN Asset Management LLC	New Hartford, NY	3 MWh	Sep 2025	Dec 2025	Solar
Burrstone Energy Center	Burrstone Energy Center	New Hartford, NY	10 GWh	Jul 2009	Dec 2024	Natural Gas
Bethlehem Solar	Nautilus Solar Solutions	New Scotland, NY	3 GWh	May 2019	Dec 2025	Solar
Riley Road LLC	Green Street Power Partners	New Windsor, NY	7 GWh	Jul 2019	Dec 2025	Solar
Moores Hill	LSE Sculptor, LLC	New Windsor, NY	1 GWh	Jul 2025	Dec 2025	Solar
TJA-NY-Barrett Rd New Woodstock, LLC	Dimension Energy LLC	New Woodstock, NY	6 GWh	Nov 2024	Dec 2025	Solar
NYU Langone Hospital- Brooklyn	NYU Langone Health	New York City, NY	486 MWh	Dec 1993	Dec 2024	Natural Gas : 97.8% Distillate Fuel Oil : 2.2%
NY- CSG- Johnstown 2	NY- CSG- Johnstown 2	New York, NY	2 GWh	Feb 2020	Dec 2025	Solar
New York Presbyterian Hospital-168th St	New York Presbyterian Hospital- 168th Street	New York, NY	78 MWh	Dec 1999	Dec 2025	Distillate Fuel Oil
Mount Sinai Beth Israel	Mount Sinai Beth Israel	New York, NY	15 MWh	Dec 1987	Dec 2025	Distillate Fuel Oil
Peak Power 1 Cogen	Peak Power 1, LLC	New York, NY	24 GWh	Jun 2010	Dec 2024	Natural Gas
New York Presbyterian Hospital- 68th Street	NY - PRESBYTERIAN HOSPITAL- 68TH ST	New York, NY	54 GWh	Mar 1997	Dec 2025	Natural Gas : 99.8%
NYP-Lower Manhattan Hospital	NYP-Lower Manhattan Hospital	New York, NY	20 MWh	Dec 1991	Dec 2025	Distillate Fuel Oil
NYC-HH-New Bellevue Hospital	NYC-HH-New Bellevue Hospital	New York, NY	109 MWh	Dec 1995	Dec 2025	Distillate Fuel Oil
The Mount Sinai Hospital	Mount Sinai Hospital	New York, NY	372 MWh	May 1970	Dec 2025	Distillate Fuel Oil
Bronx Zoo	New York Zoological Society	New York, NY	21 GWh	Dec 1990	Dec 2025	Natural Gas
New York University Central Plant	New York University	New York, NY	79 GWh	Dec 1983	Dec 2025	Natural Gas : 96.5% Distillate Fuel Oil : 3.5%
NYU LANGONE HEALTH	NYU LANGONE HEALTH	New York, NY	46 GWh	Sep 1992	Dec 2025	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
The Allen Hospital	The Allen Hospital	New York, NY	10 MWh	Dec 2008	Dec 2025	Distillate Fuel Oil
59th Street	Consolidated Edison Co-NY Inc	New York, NY	101 MWh	May 1969	Dec 2025	Natural Gas
The Bank of New York	The Bank of New York	New York, NY	47 MWh	Dec 1982	Dec 2025	Distillate Fuel Oil
Mt. Sinai- Morningside	Mt. Sinai- Morningside	New York, NY	26 MWh	Dec 1959	Dec 2025	Distillate Fuel Oil
74th Street	Consolidated Edison Co-NY Inc	New York, NY	54 MWh	Sep 1968	Dec 2025	Kerosene
Riverbay	Riverbay Corp	New York, NY	88 GWh	Feb 2011	Dec 2025	Natural Gas : 99.8%
East River	Consolidated Edison Co-NY Inc	New York, NY	3 TWh	Oct 1951	Jul 2026	Natural Gas
Baer Road CSG	Scale Sustainable I, LLC	New York, NY	2 GWh	Dec 2017	Dec 2025	Solar
Astoria Energy	Astoria Energy LLC	New York, NY	4 TWh	Apr 2006	Jul 2026	Natural Gas : 95.5% Distillate Fuel Oil : 4.5%
West Creek Solar	Generate Capital	Newark Valley, NY	8 GWh	Nov 2021	Dec 2025	Solar
NY Newark ST RT 31 - Environomics S2	Catalyze Newark Solar Farm 2 Microgrid, LLC	Newark, NY	6 GWh	Nov 2024	Dec 2025	Solar
Arcadia	Bullrock-NxtGenREA	Newark, NY	5 GWh	Nov 2024	Dec 2025	Solar
NY Newark St Rt 31 - Environomics S1	Catalyze Newark Solar Farm 1 Microgrid, LLC	Newark, NY	8 GWh	Nov 2024	Dec 2025	Solar
Danskammer Generating Station	Danskammer Energy	Newburgh, NY	27 GWh	Nov 1951	Dec 2025	Natural Gas : 99.8%
Newfield Community Solar LLC	Newfield Solar LLC	Newfield, NY	8 GWh	Dec 2018	Dec 2025	Solar
Newport Hydro	Eagle Creek Renewable Energy, LLC	Newport, NY	6 GWh	Nov 1987	Dec 2025	Water
Roseton Generating Facility	CCI Roseton LLC	Newsburgh, NY	684 GWh	Aug 1974	Jul 2026	Natural Gas : 71.4% Residual Fuel Oil : 28.6%
Upper Newton Falls	Erie Boulevard Hydropower LP	Newton Falls, NY	6 GWh	Dec 1926	Dec 2025	Water
Reworld Niagara I	Reworld Niagara I, LLC	Niagara Falls, NY	174 GWh	Jul 1980	Jul 2026	Non-biogenic Municipal Solid Waste : 50.6% Biogenic Municipal Solid Waste : 41.4% Natural Gas : 8.0%
Smith Creek	LSE Pisces LLC	Nichols, NY	6 GWh	Mar 2021	Dec 2025	Solar
Hunt Creek	LSE Perseus LLC	Nichols, NY	5 GWh	Dec 2020	Dec 2025	Solar
SCH County - (1B) 10 Alice Wagner Way Ni	Distributed Solar Development, LLC	Niskayuna, NY	4 GWh	Sep 2020	Dec 2025	Solar
Norfolk	Erie Boulevard Hydropower LP	Norfolk, NY	22 GWh	Dec 1927	Dec 2025	Water
Yaleville	Erie Boulevard Hydropower LP	Norfolk, NY	3 GWh	Dec 1939	Jul 2025	Water
East Norfolk	Erie Boulevard Hydropower LP	Norfolk, NY	21 GWh	Dec 1927	Dec 2025	Water
Raymondville	Erie Boulevard Hydropower LP	Norfolk, NY	11 GWh	Dec 1927	Dec 2025	Water
Brickchurch Solar	Generate Capital	North Rose, NY	2 GWh	Feb 2020	Dec 2025	Solar
World Generation X	North American Energy Services	North Tonawanda, NY	404 GWh	Jun 1993	Dec 2025	Natural Gas
Northport	National Grid Generation LLC	Northport, NY	4 TWh	Feb 1967	Jul 2026	Natural Gas : 88.3% Residual Fuel Oil : 11.7%
Fort Miller Hydroelectric Facility	Albany Engineering Corporation	Northumberland, NY	3 GWh	Nov 1984	Dec 2025	Water
Norwich Solar and Energy Storage CSG	DG New York CS, LLC	Norwich, NY	8 GWh	Aug 2021	Dec 2025	Solar
Tiffany	Nautilus Solar Solutions	Norwich, NY	8 GWh	Nov 2022	Dec 2025	Solar
Unionville Hydro Project 2499 NY	Erie Boulevard Hydropower LP	Norwood, NY	11 GWh	Jun 1984	Dec 2025	Water
Norwood	Erie Boulevard Hydropower LP	Norwood, NY	12 GWh	Dec 1927	Dec 2025	Water
Hewittville Hydroelectric	Erie Boulevard Hydropower LP	Norwood, NY	12 GWh	Aug 1984	Dec 2025	Water
US Gypsum Oakfield	U S Gypsum Co	Oakfield, NY	17 GWh	Mar 1986	Dec 2025	Natural Gas
Mount Sinai South Nassau Hospital	Mount Sinai South Nassau Hospital	Oceanside, NY	33 MWh	Dec 1974	Dec 2025	Distillate Fuel Oil
Whittier	Solar Planet Power	Ogden, NY	2 GWh	Feb 2019	Dec 2025	Solar
Washington St Community Solar Farm #1	Generate Capital	Ogden, NY	3 GWh	Jan 2020	Dec 2025	Solar
Washington St Community Solar Farm #3	Generate Capital	Ogden, NY	3 GWh	Mar 2020	Dec 2025	Solar
Washington St Community Solar Farm #4	Generate Capital	Ogden, NY	3 GWh	Jan 2020	Dec 2025	Solar
Ogdensburg	Ampersand Ogdensburg Hydro, LLC	Ogdensburg, NY	4 GWh	Nov 1987	Dec 2025	Water
CES Heuvelton	Heuvelton Solar, LLC	Ogdensburg, NY	6 GWh	Aug 2024	Dec 2025	Solar
Homer Street West	CleanCapital Holdings	Olean, NY	2 GWh	Apr 2019	Dec 2025	Solar
Homer Street East	CleanCapital Holdings	Olean, NY	2 GWh	Apr 2019	Dec 2025	Solar
River Valley LLC (NY) (CSG)	Nautilus Solar Solutions	Olean, NY	7 GWh	Nov 2021	Dec 2025	Solar
Indeck Olean Energy Center	Indeck-Olean Ltd Partnership	Olean, NY	80 GWh	Dec 1993	Nov 2025	Natural Gas : 99.8%
Solean Solar Project	Altus Power America Management, LLC	Olean, NY	8 GWh	Mar 2016	Dec 2025	Solar
Winema Solar Partners	Winema Solar Partners, LLC	Oneida, NY	9 GWh	Feb 2024	Dec 2025	Solar
Furnace Rd Community Solar Farm	KSI II Consolidated, LLC	Ontario, NY	4 GWh	Nov 2020	Dec 2025	Solar
Harbec Energy	Harbec Energy	Ontario, NY	365 MWh	Nov 2001	Nov 2025	Wind : 51.5% Natural Gas : 48.5%
R E Ginna Nuclear Power Plant	Constellation Nuclear	Ontario, NY	5 TWh	Jun 1970	Jul 2026	Nuclear
Judd Road Solar	Novis Renewables, LLC	Oriskany, NY	8 GWh	Feb 2022	Dec 2025	Solar
OYA Robinson Road	SunStrong Management, LLC	Orleans, NY	10 GWh	May 2022	Dec 2025	Solar
Ruler Solar Partners (CSG)	Ruler Solar Partners, LLC	Oswegatchie, NY	9 GWh	Jul 2023	Dec 2025	Solar
Browns Falls	Erie Boulevard Hydropower LP	Oswegatchie, NY	49 GWh	Dec 1922	Dec 2025	Water
Royal Solar Partners (CSG)	Royal Solar Partners, LLC	Oswegatchie, NY	4 GWh	Jul 2023	Dec 2025	Solar
Eel Weir	Erie Boulevard Hydropower LP	Oswegatchie, NY	8 GWh	Dec 1927	Dec 2025	Water
TJA-NY-1454 CR 15 Oswegatchie, LLC	Dimension Energy LLC	Oswegatchie, NY	7 GWh	Nov 2024	Dec 2025	Solar
SSC Oswego II LLC	Reactivate	Oswego, NY	7 GWh	Oct 2024	Dec 2025	Solar
Sithe Independence Station	Sithe/Independence LLC	Oswego, NY	7 TWh	Jul 1994	Jul 2026	Natural Gas
Summit - Oswego	MN8 Energy LLC	Oswego, NY	4 GWh	May 2023	Dec 2025	Solar
Oswego Harbor Power	Oswego Harbor Power	Oswego, NY	123 GWh	May 1975	Jul 2026	Residual Fuel Oil : 96.3% Natural Gas : 3.7%
Oswego	NY USLE Oswego SR104 LLC	Oswego, NY	7 GWh	Aug 2023	Dec 2025	Solar
Indeck Oswego Energy Center	Indeck-Oswego Ltd Partnership	Oswego, NY	118 GWh	May 1990	Dec 2025	Natural Gas
Varick	Erie Boulevard Hydropower LP	Oswego, NY	20 GWh	Dec 1925	Dec 2025	Water
High Dam	Oswego, City of - (NY)	Oswego, NY	19 GWh	Jul 1928	Dec 2025	Water
Shoddy Hollow	Generate Capital	Otisville, NY	9 GWh	Nov 2024	Dec 2025	Solar
NY Finchville Tpke CSG	Finchville Tpke LLC	Otisville, NY	3 GWh	Nov 2024	Dec 2025	Solar
Day Hollow	Bullrock-NxtGenREA	Owego, NY	8 GWh	Dec 2023	Dec 2025	Solar
Gaskill Rd Community Solar Farm CSG	Scale Sustainable I, LLC	Owego, NY	6 GWh	Nov 2019	Dec 2025	Solar
Day Hollow Road Community Solar	Bullrock-NxtGenREA	Owego, NY	8 GWh	Dec 2023	Dec 2025	Solar
Tioga Solar South(CSG)	237 State Route 96 Site 2, LLC	Owego, NY	7 GWh	Oct 2021	Dec 2025	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	433.0 GWh	4
#24	Dominion Energy South Carolina, Inc.	26.1 TWh	83
#13	Duke Energy Carolinas	113.4 TWh	578
#17	Duke Energy Progress East	66.2 TWh	574
#50	Duke Energy Progress West	4.6 TWh	15
#15	ISO New England	112.2 TWh	1,667
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.2 TWh	25
#1	PJM Interconnection, LLC	890.9 TWh	2,806
#28	South Carolina Public Service Authority	19.6 TWh	35
#59	Southeastern Power Administration	1.2 TWh	11

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#7	California Independent System Operator	168.7 TWh	2,170
#9	Tennessee Valley Authority	166.2 TWh	209
#10	Florida Power & Light Co.	153.0 TWh	188
#12	New York Independent System Operator	134.1 TWh	1,334
#13	Duke Energy Carolinas	113.4 TWh	578
#15	ISO New England	112.2 TWh	1,667
#16	Bonneville Power Administration	91.1 TWh	170
#17	Duke Energy Progress East	66.2 TWh	574
#18	PacifiCorp East	61.4 TWh	223