Maintenance services
We offer specialised services to support operators in the maintenance and servicing of their facilities.
Station maintenance
We are specialists in the operation and maintenance of hydropower plants. We also maintain transmission network high voltage substations.Underwater Inspection
Underwater inspection enables owners of hydroelectric schemes to ascertain the state of the underwater parts of their projects (silting, disorder in the concrete and mechanic...Multibeam and single beam bathymetry
Bathymetry enables topographic measurements to be taken of submerged areas of lakes, réservoirs and watercourses.Cryogenic Cleaning
Regular cleaning of electrical machines prevents harmful external pollution which can lead to Failure and ultimately loss of production.QES Services
We have developed our own know-how in the fields of quality, environment, safety, documentation and archiving.Training
We offer ”avalanche“ and ”difficult terrain“ courses whose main objective is to teach employees how to estimate the real danger of a given situation.News
Our central workshops: meticulousness and precision
At the end of 2023, our workshops completely overhauled and restored a head valve at Montbovon power station in the Gruyère region. It was a meticulous task, brilliantly carried out by the mechanical assembly teams in Martigny.Vaud Jura: replacement of transformers
As part of the refurbishment of its high-voltage installations at Les Clées power station, Romande Energie commissioned HYDRO to replace the transformers on the three production machines.