Installations in operation:
more than 40 hydroelectric facilities

Operation:
our core activities

Development:
innovative solutions

Central workshops:
a special know-how

Services:
various services

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the mountains give us their water...

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Recent projects

Every year HYDRO Exploitation undertakes more than 1,000 maintenance and repair projects.

Emosson-CFF : revision of 4 valves in our main workshops Some important works have involved closing down the activities of the Electricité d'Emosson SA development – a Franco-Swiss...	Purification work for the installation of Ernen (VS) In February, we conducted several rehabilitation works for our client Rhonewerke AG in Ernen (Upper Valais). Our collaborators worked in...	Underwater works at the Hongrin (VD) dam In spring 2012, an important step was taken in the carrying out of a global project, namely replacing the safety units at the Hongrin dam, owned by...
Ferden dam - Emergency intervention Following extremely bad weather in the Lötschental last October, the Ferden dam (Upper Valais) operated by the firm EnAlpin, had to be urgently purged of...	Rehabilitation of Group number 3 at the Martigny-Bourg Station Since mid-November, group number 3 at the Martigny-Bourg Station has been in service again having been rehabilitated in 2011....	Nendaz : HYDRO Exploitation has received the mandate to rehabilitate the power station The rehabilitation works at the Nendaz power station started on site in March 2011. This mandate was...
Chancy-Pougny : renewal of the control system Until 2014, we shall be contributing to the renewal of the Control System at the Chancy-Pougny (on the French-Swiss frontier) which was brought...	Anticorrosion Treatment of the Dix-Rhône Head Between March and August 2011, we started the anticorrosion treatment of the Dix-Rhone head. This stretches from the Grand Dixence dam to the...	Miéville - Renovation of generating set 2 Renovation of both generating sets of the Salanfe SA power station in Miéville is part of a major overhaul taking place after more than 40...
Lac des Dix - Underwater monitoring In order to manage the sand-silting of the Lac des Dix, the former EOS dam, which is nowadays submerged most of the time, serves as a sand...	Altstafel - Renovation of Power Station HYDRO Exploitation was commissioned by Aegina AG to analyse and carry out the renovation of the Altstafel power...	Bieudron power station is running again After 9 years of shutdown, Bieudron power station is running...
Fionnay - Repair of six units Repair of the three MFO and three Sécheron generating sets at Fionnay power station began in 2008. It will be complete in 2012....