News
Marécottes: refurbishment of the reservoir gates
In 2020, SBB scheduled a lengthy shutdown in order to reconstruct the penstock at Corbes, which forms an integral part of SBB’s Châtelard-Vernayaz facility. SBB also took this opportunity to carry out other major works, naming the overall project “Barberine 2020”. Much of the work was entrusted to our company, one of the tasks being the refurbishment of the Marécottes reservoir.Services: high voltage (HV) substation engineering works
Engineering work to refurbish HV substations is just one of the services we offer customers who have entrusted the operation of their facilities to us. Other customers who have used our services, include Swissgrid and Electricité d’Emosson SA.Our services
HYDRO Exploitation has acquired a unique and proven experience in power generation facilities. Our extensive service portfolio puts us in a position to cover all areas of power generation, from consultancy to overhaul services.
Who are we ?
Based in Sion, HYDRO Exploitation SA was founded in June 2002 by Grande Dixence SA, EOS Holding SA and FMV SA - joined by Romande Energie Holding SA and Les Forces Motrices de la Gougra SA for the operation and maintenance of hydroelectric facilities.
The company employs 400 people from the Haut-Valais to the Jura Vaudois. Together, they operate 46 hydroelectric facilities that produce more than 16% of Switzerland's hydroelectric energy.