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Follow the news on HYDRO Exploitation: the next meetings with our clients, the exhibitions and trade fairs in which we will participate.

Bricola catchment: repair of La Maya channel
During the night of 3 October 2020, very bad weather with heavy rainfall caused damage to the La Maya channel, which holds the intake pipes for the...
03.03.2021
ED –Belvédère: mechanical maintenance
EDF’s Unité de Production Méditerranée [Mediterranean generation unit] engaged us to carry out mechanical maintenance works in the Belvédère plant...
03.03.2021
First artificial flooding of the river Hongrin
Artificial flooding of the river Hongrin is required annually, in response to a decision on the cleaning up of water courses in the cantons of Vaud and...
03.03.2021
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...
08.12.2020
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...
09.12.2020
Tannuwald and Serra: refurbishment of MV substations and their internal systems (LV)
As part of the refurbishment of the Tannuwald power plant we were asked to construct a medium voltage (MV)...
09.12.2020
Châtelard: quality assurance for the renewal of the Corbes high-pressure shaft.
This year (2020) major works have been carried out on the Châtelard plant, owned by CFF. In addition to the...
23.09.2020
EES: Delivery of command and control
Following the replacement of group 3 ay Gondo, Energie Electrique du Simplon (EES) demonstrated its continuing confidence in us when it entrusted us with...
23.09.2020
Vissoie: Replacement of the penstock
On 2 July 2018, violent storms caused nearly 40 million Swiss francs worth of damage in Val d’Anniviers. The Navizence flooded, damaging nearby infrastructure....
23.09.2020
The 2019 financial year shows signs of an upturn
There was a slight growth in business and turnover increased: HYDRO Exploitation SA is pleased with its 2019 results. The hydroelectric services...
09.06.2020
Central workshops: a new milling centre, unique in French-speaking Switzerland
Commissioning of our new CORREA AXIA 70 milling centre in our machining workshop, to take place soon, will open up a new...
03.06.2020
Mechanical measurement: we offer cutting-edge capability
In order to ensure the long-term durability of hydroelectric plants, while aiming to improve their performance, HYDRO Exploitation has...
03.06.2020
DRIP: Operation & Maintenance Training in Chennai, India
DRIP (the Dam Rehabilitation and Improvement Project) aims to rehabilitate the 5,254 dams in India over the medium term. There is also a...
03.06.2020
Analytical laboratory: accreditation renewed
The accreditation of our oils analysis laboratory in Martigny was renewed last January. Following their inspection, the experts found that our...
03.06.2020
Nouveau centre d'usinage dans nos ateliers
Nous sommes fiers de vous annoncer l'acquisition d'un nouveau centre d'usinage «Box in Box» modèle CORREA AXIA 70 dans nos ateliers centraux de Martigny.
18.03.2020
Strengthening our transformer diagnostics services
We recently purchased two new diagnostic instruments to determine the condition of transformers and perform testing procedures. We offer these...
04.03.2020
Fossau: coordination of commissioning the plant and putting it into operation.
At the end of 2018, Energie Renouvelable Vouvry (ERV) hired us to coordinate the commissioning of their new plant, the...
04.03.2020
In-house training for Swiss dam technicians
HYDRO Exploitation organised a technical training day for Swiss dam technicians in October 2019, against the impressive backdrop of the Grande Dixence Dam....
04.03.2020
La Peuffeyre: restoration of fish migration
At the end of 2019, we constructed two artificial sills on the Avançon d’Anzeinde river for our client Romande Energie SA in order to remove barriers...
04.03.2020
Wheel Refurbishing Workshop: New Technologies and Expanded Performance
Our Wheel Refurbishing Workshop (RR) is dedicated to the repair of pump and turbine wheels abraded by water-borne sediments. The...
23.10.2019
FMA: Sublin Discharge Conduit Replacement
In 2016, FMA (Forces Motrices de l’Avançon) contracted us to replace most of the Vignasse discharge conduit, which is nearly 120 years old. This 900 mm...
23.10.2019
Expertise in Systems Services: the Primary Setting
The partial liberalisation of the electricity market has made systems services financially attractive for asset managers. This offers an opportunity...
23.10.2019
Analysis of underwater assets: the importance of historical data
Historic data provide the foundation for analysis of sediment behaviour in reservoir water. Our 3D reservoir mapping tools and...
13.03.2019
Florence Fournier, the new manager of our analytical laboratory.
Florence Fournier took charge of the laboratory for the analysis of oils in our central workshops in Martigny in January 2019. An...
13.03.2019
Swiss Federal Railways: servicing of the Eau Noire water intake
Swiss Federal Railways (CFF) asked us to service the Eau Noire water intake, an integral part of the Emosson complex. They gave us a...
13.03.2019
HYDRO Exploitation SA
Rue de l’Industrie 10
CP 750 - CH-1951 Sion
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HYDRO Exploitation SA
Rue de l’Industrie 10 CP 750 - CH-1951 Sion +41 (0)27 328 44 11
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