Forces Motrices de la Gougra

Shareholders

Aare-Tessin AG für Elektrizität 54%
Rhonewerke SA 27.5%
Commune of Sierre 7.5%
Commune of Anniviers 7.7%
Commune of Chippis 1.8%
Commune of Chalais 0.5%
Sierre-Energie SA 1%

Production

Average annual production:
640 mill. kWh

Mottec power station

alt. 1'561 m

Commissioned 1959
Connection to the grid 65 kV
3 Pelton turbines
Total power : 69 MW
Height of fall : 685 m

Balancinig reservoir
Retention capacity : 150'000 m³

Vissoie power station

alt. 1'122 m

Commissioned 1958
Connection to the grid 65 kV and 16 kV
3 Pelton turbins
Total power : 45 MW
Height of fall : 439 m

Navizence power station

alt. 529 m

Commissioned 1908 (renovated in 1958)
Connection to the grid 65 kV
7 Pelton turbins (in renovation)
Total power : 50 MW
Height of fall : 565 m

Lona power station

alt. 2'272 m

Connection to the grid 16 kV
1 Pelton turbin
Total power : 1 MW

Moiry dam

Construction : 1954
Commissioned : 1958
Type : arch dam
Height : 148 m
Crown : 610 m
Retention capacity : 77 mill. m³
Surface area : 1,29 km²

Turtmann dam

Type : arch dam
Height : 30 m
Crown : 110 m
Retention capacity : 780 000 m³

 Pictures origin: Forces Motrices de la Gougra