How many hydro power plants are in New York?

New York has 166 operating utility-scale hydro power plants with 5.9 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest hydro power plant in New York?

Robert Moses Niagara in Niagara County, New York is the largest, at 2,429 MW. It came online in 1962.

How many hydro power plants were built in New York in 2025?

0 hydro power plants came online in New York in 2025, with 0 MW of capacity.

Who is developing hydro power plants in New York?

Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

Hydro power plants in New York

New York has 166 operating hydro power plants with 5.9 GW of capacity.

Operating166

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

New York had 165 hydro power plants online in 2016 and 166 in 2026

165

166

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Hydro power plants online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest hydro power plants in New York

Operating, by capacity

#	Hydro power plant	County	Year online	Capacity
1	Robert Moses Niagara	Niagara County	1962	2,429 MW
2	Blenheim Gilboa	Schoharie County	1973	1,000 MW
3	Robert Moses Power Dam	St Lawrence County	1959	912 MW
4	Lewiston Niagara	Niagara County	1962	240 MW
5	Curtis Palmer Hydroelectric	Saratoga County	1986	59 MW
6	Spier Falls	Saratoga County	1930	56 MW
7	Hudson Falls Hydroelectric Project	Saratoga County	1995	44 MW
8	Rochester 5	Monroe County	1927	44 MW
9	School Street	Albany County	1924	39 MW
10	Stewarts Bridge	Saratoga County	2013	39 MW

Hydro power plants that came online most recently in New York

Newest first

#	Hydro power plant	County	Year online	Capacity
1	Swinging Bridge 2	Sullivan County	2019	8 MW
2	Rio	Sullivan County	2013	11 MW
3	Stewarts Bridge	Saratoga County	2013	39 MW
4	Stuyvesant Falls	Columbia County	2012	6 MW
5	Mechanicville Hydroelectric Station	Saratoga County	2011	4 MW
6	Sherman Island	Saratoga County	2009	36 MW
7	Oswego Falls West	Oswego County	2008	3 MW
8	Higley	St Lawrence County	2003	6 MW
9	Oswegatchie	St Lawrence County	2002	2 MW
10	Glen Park Hydroelectric Project	Jefferson County	1999	33 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks hydro power plants

Operating hydro power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about hydro power plants in New York

How many hydro power plants are in New York?: New York has 166 operating utility-scale hydro power plants with 5.9 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest hydro power plant in New York?: Robert Moses Niagara in Niagara County, New York is the largest, at 2,429 MW. It came online in 1962.
How many hydro power plants were built in New York in 2025?: 0 hydro power plants came online in New York in 2025, with 0 MW of capacity.
Who is developing hydro power plants in New York?: Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.