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THE POWER STATIONS
Fionnay power station (altitude 1490 m)
The Fionnay power station is operated by water from the Grande Dixence dam. For this to be possible, an underground tunnel 9 kilometres long had to be built. The surge chamber at Louvie, in the Val de Bagnes, turns into a penstock which descends 800 metres to emerge in the flow divider at the Fionnay power station.
Nendaz power station (altitude 478 m)
The Nendaz power station, hidden in the mountains between Aproz and Riddes, is the second-largest hydroelectric power station in Switzerland after the Bieudron power station (which is out of service until 2010). It is fed by water from the Grande Dixence dam which previously turned the turbines at Fionnay.
Bieudron power station (altitude 481 m)
The Bieudron power station forms part of the Cleuson-Dixence complex, and is itself the holder of three world records, for the height of its head (1883 m), the output of each Pelton turbine (3 x 423 MW) and the output per pole of the generators (35.7 MVA).
Rue des Creusets 41
T +4127 328 43 11
F +4127 328 43 82