Largest hydroelectric power plants in NYISO

Conventional and pumped-storage hydroelectric plants ranked by EIA-reported nameplate capacity. Rankings use EIA-anchored plant records in NYISO.

Plants
158
Ranked operating records
EIA nameplate capacity
5.7 GW
Sum across this peer set
Largest
2,429.1 MW
Robert Moses Niagara

Hydroelectric capacity ranking

158 matching plants·ranked by nameplate capacity

RankPlantCapacity
51Mongaup FallsEagle Creek Renewable Energy, LLC7.3 MW
52HannawaErie Boulevard Hydropower LP7.2 MW
53Lower Saranac Hydroelectric FacilityCentral Rivers Power US, LLC6.7 MW
54Black RiverErie Boulevard Hydropower LP6 MW
55EagleErie Boulevard Hydropower LP6 MW
56Green Island Hydroelectric StationAlbany Engineering Corporation6 MW
57HigleyErie Boulevard Hydropower LP6 MW
58InghamsErie Boulevard Hydropower LP6 MW
59KamargoErie Boulevard Hydropower LP6 MW
60Oswego Falls EastErie Boulevard Hydropower LP6 MW
61Stuyvesant FallsAlbany Engineering Corporation6 MW
62Black River Hydro AssociatesCentral Rivers Power US, LLC5.7 MW
63Lyons Falls HydroelectricNorthbrook Lyons Falls LLC5.6 MW
64HerringsErie Boulevard Hydropower LP5.4 MW
65Lachute Hydro UpperCentral Rivers Power US, LLC5.2 MW
66Seneca Falls Hydroelectric ProjectC-S Canal Hydro, LLC5.1 MW
67Dolgeville HydroEONY Generation Limited5 MW
68Feeder Dam Hydro PlantErie Boulevard Hydropower LP5 MW
69Fort Miller Hydroelectric FacilityAlbany Engineering Corporation5 MW
70Mill CNew York State Elec & Gas Corp5 MW
71NorfolkErie Boulevard Hydropower LP5 MW
72DashvilleCentral Hudson Gas & Elec Corp4.8 MW
73AshokanNew York Power Authority4.6 MW
74Jarvis (Hinckley)New York Power Authority4.5 MW
75West End Dam Hydroelectric ProjectRelevate Power Management LLC4.4 MW
76CadyvilleNew York State Elec & Gas Corp4.3 MW
77Dexter PlantCentral Rivers Power US, LLC4.2 MW
78Allens FallsErie Boulevard Hydropower LP4 MW
79East NorfolkErie Boulevard Hydropower LP4 MW
80High Falls - Croghan NYErie Boulevard Hydropower LP4 MW
81Mechanicville Hydroelectric StationAlbany Engineering Corporation4 MW
82South EdwardsErie Boulevard Hydropower LP4 MW
83Sugar IslandErie Boulevard Hydropower LP4 MW
84WaterportErie Boulevard Hydropower LP4 MW
85Lachute Hydro LowerCentral Rivers Power US, LLC3.8 MW
86PhiladlephiaEONY Generation Limited3.6 MW
87ForestportRelevate Power Management LLC3.4 MW
88Hampshire PaperHampshire Paper Co Inc3.4 MW
89Stillwater Hydro Electric ProjectGR Catalyst One, LLC3.4 MW
90Copenhagen PlantCentral Rivers Power US, LLC3.3 MW
91Fourth Branch Hydroelectric FacilityAlbany Engineering Corporation3.3 MW
92Longfalls FacilityAmpersand Long Falls Hydro, LLC3.3 MW
93High FallsCentral Hudson Gas & Elec Corp3.2 MW
94Phoenix Hydro ProjectEagle Creek Renewable Energy, LLC3.2 MW
95ChasmErie Boulevard Hydropower LP3 MW
96Hewittville HydroelectricErie Boulevard Hydropower LP3 MW
97Lyonsdale AssociatesEagle Creek Renewable Energy, LLC3 MW
98Mt Ida HydroelectricRelevate Power Management LLC3 MW
99ParishvilleErie Boulevard Hydropower LP3 MW
100Rochester 26Rochester Gas & Electric Corp3 MW

Capacity is EIA-reported nameplate capacity, not seasonal capability or available operating capacity. A plant can include multiple generators and technologies; hybrid plants may appear in multiple peer groups.