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
151Mill Pond HydroRivers Electric, LLC1 MW
152Oswego Falls WestErie Boulevard Hydropower LP1 MW
153Port Leyden Hydroelectric ProjectLyonsdale Hydroelectric Co., Inc.1 MW
154Wappinger Falls HydroelectricWindsor Machinery Co Inc1 MW
155Center FallsHollingworth & Vose Co Center Falls0.8 MW
156OgdensburgAmpersand Ogdensburg Hydro, LLC0.7 MW
157Hollow Dam Power PartnershipAmpersand Hollow Dam Hydro LLC0.5 MW
158TalcvilleErie Boulevard Hydropower LP0.1 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.