Forces Motrices Hongrin-Léman

Shareholders

Romande Energie 41.13%
Energie Ouest Suisse 39.31%
Group E 13.13%
Commune of Lausanne 6.43%

Production

Part of production reverting to EOS: 100%
Average annual production:
730 mill. kWh, 200 mill. kWh by natural means 
Connection to the 220 kV grid

Veytaux power station - alt. 377 m

2 x 4 Pelton turbines and 4 pumps 
Total power: 240 MW
Height of fall: 878 m

Pump turbine type power station: during periods of low demand, water from the Léman is discharged into the Hongrin barrage at a rate of 24 m3 per second in order to drive a turbine during periods of high demand.

A project to increase the pumping and turbine power is under way.

Hongrin dam

alt. 1255 m

Construction: 1969
Commissioned in: 1970
Type: Double arch
Height: 123 m / 95 m
Crown: 600 m
Retention capacity: 52 mill. m3
Surface area: 160 ha
Basin catchment area: 90.8 km2