Recent projects
Every year HYDRO Exploitation undertakes more than 1,000 maintenance and repair projects.
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We make our Laser Tracker available for all our customers. This latest of instruments enables three-dimensional measurements to be made...
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![]() Our machine workshop in Martigny is dedicated to the manufacture of various mechanical parts, used in servicing of mechanical components...
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![]() The Swiss electronic and micro-technical centre (CSEM), the Sensima Inspection Company and HYDRO Exploitation have embarked on a...
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![]() In mid-September 2012, our specialists examined each square centimetre of the bottom of the Dix reservoir with a multi-beam sonar, unique in...
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![]() The two DN800 PN40 spherical gate valves at the Chanrion station, owned by Les Forces Motrices de Mauvoisin (FMM), will be serviced in our...
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![]() On a mandate received last April, Alpiq Suisse SA entrusted us with the installation of control and monitoring of the two groups of 120 MW...
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![]() We began the complete repair of a Pelton wheel within the complex of our Central Workshops in Martigny for the Forces Motrices de Conches SA...
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![]() We have been mandated by EDF to overhaul an assembly of group number 3 wheel-shaft at the Bâton hydroelectric station in Ain (F). This first mandate carried out for...
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![]() During the continuation of the renovation of the development of Martigny-Bourg (FMMB) which started two years ago, considerable work was carried...
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![]() 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...
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In February, we conducted several rehabilitation works for our client Rhonewerke AG in Ernen (Upper Valais). Our collaborators worked in...
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![]() Some important works have involved closing down the activities of the Electricité d'Emosson SA development – a Franco-Swiss...
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![]() 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...
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![]() Since mid-November, group number 3 at the Martigny-Bourg Station has been in service again having been rehabilitated in 2011....
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![]() The rehabilitation works at the Nendaz power station started on site in March 2011. This mandate was...
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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...
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![]() Between March and August 2011, we started the anticorrosion treatment of the Dix-Rhone head. This stretches from the Grand Dixence dam to the...
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![]() 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...
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![]() 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...
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HYDRO Exploitation was commissioned by Aegina AG to analyse and carry out the renovation of the Altstafel power...
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![]() After 9 years of shutdown, Bieudron power station is running...
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![]() Repair of the three MFO and three Sécheron generating sets at Fionnay power station began in 2008. It was completed in 2012....
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Further info
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Our strengths
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Operation and maintenance
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Central workshops
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News

Within the framework of our tenth anniversary, all the HYDRO Exploitation employees gave up a working-day to make a Valaisan bisse (these are man-made traditional irrigation streams) accessible for people with reduced mobility.
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HYDRO Exploitation |


































