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
101Sissonville HydroBoralex Hydro Operations Inc3 MW
102TaylorvilleErie Boulevard Hydropower LP3 MW
103Unionville Hydro Project 2499 NYErie Boulevard Hydropower LP3 MW
104Warrensburg HydroelectricBoralex Hydro Operations Inc2.9 MW
105PiercefieldErie Boulevard Hydropower LP2.7 MW
106EffleyErie Boulevard Hydropower LP2.6 MW
107Union FallsUnion Falls Hydro Power LP2.6 MW
108Eel WeirErie Boulevard Hydropower LP2.5 MW
109Valley Falls Hydroelectric FacilityAlbany Engineering Corporation2.5 MW
110WaldenHydroland Omega LLC2.4 MW
111Middle Falls HydroBoralex Hydro Operations Inc2.2 MW
112Alice Falls Hydro ProjectEagle Creek Renewable Energy, LLC2.1 MW
113ElmerErie Boulevard Hydropower LP2 MW
114Flat RockErie Boulevard Hydropower LP2 MW
115Franklin (NY)Erie Boulevard Hydropower LP2 MW
116GouldtownNorthbrook Lyons Falls LLC2 MW
117Johnsonville DamErie Boulevard Hydropower LP2 MW
118NorwoodErie Boulevard Hydropower LP2 MW
119RaymondvilleErie Boulevard Hydropower LP2 MW
120SchuylervilleErie Boulevard Hydropower LP2 MW
121SewallsErie Boulevard Hydropower LP2 MW
122YalevilleErie Boulevard Hydropower LP2 MW
123Cornell HydroCornell Hydro1.9 MW
124Diana HydroelectricEONY Generation Limited1.8 MW
125OswegatchieErie Boulevard Hydropower LP1.8 MW
126Stillwater Reservoir HydroNorthern Power & Light1.8 MW
127Newport HydroEagle Creek Renewable Energy, LLC1.7 MW
128Chateaugay High Falls HydroHydroland Omega LLC1.7 MW
129Victory MillsCentral Rivers Power US, LLC1.7 MW
130BelfortErie Boulevard Hydropower LP1.6 MW
131Chasm Hydro PartnershipAmpersand Chasm Hydro LLC1.6 MW
132Kings Falls HydroelectricSilverstreet Hydro1.6 MW
133Glenwood HydroErie Boulevard Hydropower LP1.5 MW
134Tannery Island PowerRelevate Power Management LLC1.5 MW
135Upper Beaver Falls ProjectEagle Creek Renewable Energy, LLC1.5 MW
136Upper Newton FallsErie Boulevard Hydropower LP1.5 MW
137Waterloo Hydroelectric ProjectC-S Canal Hydro, LLC1.5 MW
138Goodyear Lake PlantHydroland Omega LLC1.4 MW
139Hailesboro 4 PlantCentral Rivers Power US, LLC1.4 MW
140Fulton HydroErie Boulevard Hydropower LP1.3 MW
141Rainbow Falls AuscbleNew York State Elec & Gas Corp1.3 MW
142Theresa PlantConventional Hydroelectric1.3 MW
143Diamond Island PlantConventional Hydroelectric1.2 MW
144Normanskill Hydro ProjectWatervliet City of1.2 MW
145Dunn PaperBiOrigin Specialty Products1 MW
146EphratahErie Boulevard Hydropower LP1 MW
147HeuveltonErie Boulevard Hydropower LP1 MW
148KostervilleNorthbrook Lyons Falls LLC1 MW
149Lower Beaver Falls ProjectEagle Creek Renewable Energy, LLC1 MW
150MacombErie Boulevard Hydropower LP1 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.