San Esteban is a 440MW hydro power project. It is located on Sil river/basin in Galicia, Spain. The project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in 1956.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 440 440 Active Galicia, Spain


The project is currently owned by Iberdrola.

San Esteban is a pumped storage project. The hydro reservoir capacity is 213.2 million cubic meter.

San Esteban (San Esteban I) consists of 4 units of francis turbines with 66MW nameplate capacity.

Development Status

The project got commissioned in 1956.

Contractors Involved

San Esteban (San Esteban I) is equipped with Servo Ship kaplan turbine. The phase consists of 1 turbine with 0.559MW nameplate capacity.

San Esteban (San Esteban II) is equipped with Voith Hydro Holding francis turbine. The phase consists of 1 turbine with 177.3MW nameplate capacity.

Voith Hydro Holding supplied 1 electric generator for the San Esteban (San Esteban II). The generator capacity is 210 MVA.


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