Energie Electrique du Simplon

Shareholders

Alpiq 80%
EnAlpin 7.074%
EWBN 2.111%
Atel 1.902%
Others 8.914%

Production

Part of production reverting to Alpiq: 80%
Average annual production: 240 mill. kWh
Connection to 16 and 220 kV grids

Gondo power station - alt. 800 m

3 Pelton turbines 
Total power: 45.4 MW
Height of fall: 470 m

Gabi power station
alt. 1'300 m

2 Pelton turbines + 1 Francis turbine
Total power: 11 MW

Tannuwald power station
alt. 1'400 m

7 Francis turbines 
Total power: 5.2 MW

Fah basin

alt. 1'758 m

Construction: 1979
Commissioned: 1981
Type: gravity dam
Height: 9 m
Crown: 48 m
Retention capacity: 41,000 m³
Basin catchment area: 17.3 km²

Eggen basin

alt. 1'596 m 

Construction: 1957
Commissioned: 1958
Type: dam-dike
Retention capacity: 50,300 m³
Basin catchment area: 57 km²

Serra basin

alt. 1'278 m

Construction: 1951
Commissioned: 1952
Type: arch dam
Height: 22 m
Crown: 75 m
Retention capacity: 175,000 m³
Basin catchment area: 143 km²