Lac d Emosson

Lac d'Emosson is a reservoir within the Valais, Switzerland. It is positioned inside the municipalities of Salvan and Finhaut. The closest small town in Switzerland is Martigny. The lake has a surface vicinity of 3.27 km² and an elevation of 1,930 m. The most intensity is 161 m. The motive of the Emosson Dam is hydroelectric energy technology. Water from the reservoir first powers the 189 MW Vallorcine Power Station downstream and just over the border in Vallorcine, France.

Water is then despatched via a headrace tunnel to the 162 MW La Batiaz Power Station, 12 km to the east in Martigny, Switzerland. The drop between the dam and La Batiaz Power Station is 1,400 m. The first dam of Emosson was built in 1925. The cutting-edge dam with a peak of 180m turned into constructed between 1969 and August 1973 and floods the vintage dam. The reservoir changed into completely impounded on 10 September 1975, it accelerated the reservoir's extent from 40 million m³ to 227 million m³. The vintage dam can nonetheless be seen whilst the water stage inside the Lac d'Emosson could be very low.