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Salanfe storage power station

Miéville power station – alt. 452 m

The reservoir collects water from the Salanfe and Saufla basins. The waters of the Saufla reach the reservoir via the natural gradient of a 4 kilometre tunnel. The pressure line between the reservoir and the Miéville power stations situated 1,472 meters lower down has a gradient of up to 95 percent.

Salanfe dam – alt. 1925 m

  • Constructed: 1947

  • Commissioning: 1953

  • Type: Gravity dam

  • Height: 52 m

  • Crest: 616 m

  • Reservoir capacity: 40 million m3

  • Surface area: 185 ha

  • Catchment area: 31.8 km2

Pumping stations

  • Clusanfe: 5,400 m3, capacity 760 kW, max. discharge rate 2.0 m3/s

  • Giétroz du Fond: 20,000 m3, capacity 960 kW, max. discharge rate 0.6 m3/s

Facts & figures

Plant type:

Storage power plant


Vernayaz, Switzerland

Number of turbines:

2 Pelton turbines


70 MW


100 %



Average annual production:

110 GWh

Guided tours:



In service