references
Management of sediment Godet lake at Derborence
CO2 cleaning of a generator at the Heiligkreuz station (GKW II)
Reconditioning of number 2 spherical valve in the Arolla pumping station
Modification of the Electra-Massa SA station trunnion bearing
Renewal of the electricity protection apparatus at the Zmutt pumping station (2005-2009)
The Chandoline Station Pipeline
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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