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Past edition

The 1st edition of the #prixalpiq brought together 18 sustainable water management projects sponsored by 21 Valais communes. The projects submitted address issues from many fields, such as agriculture, energy and tourism. They propose concrete solutions for irrigation, access to drinking water, wastewater management, water pollution reduction, energy production and automation, in order to preserve water resources and optimise their management. The judging panel, composed of 12 Valais personalities, selected the winners of this first edition.

#prixalpiq 2021 in the press

Winner 2021

  • Project initiators: Commune of Salgesch, Cordonier & Rey SA 
  • Project name: “Erneuerung Gesamt-Bewässerung Salgesch” 
  • Aim: To optimise the irrigation networks in the Salgesch commune and reduce the water requirements of local agriculture by up to 40%
  • Reward: CHF 40,000
  • Contact: y.reymail@cordonier-reyweb.ch, gilles.floreymail@salgeschweb.ch

Find out more

The project, developed by the company Cordonier & Rey SA and sponsored by the commune of Salgesch, addresses the problem of water shortage affecting the commune. The objective of this pilot project is to reduce the water needs of local agriculture, as part of the development of the Lienne-Raspille project. The latter aims to address water shortages in 7 communes in the Sierre region (Icogne, Lens, Crans-Montana, Noble-Contrée, Sierre, Salgesch and Varen) by storing water in the Tseuzier dam.
The #prixalpiq will enable the commune of Salgesch to set up a new irrigation system that will reduce water requirements by 20 to 40%. This state-of-the-art project will replace obsolete irrigation systems with an innovative drip irrigation system coupled with resonant water treatment that measures soil moisture in real time and provides access to a coordinated irrigation schedule (Aqua4D technology).
Once the pilot phase is completed (one agricultural season), it could then be replicated in the other communes of the Lienne-Raspille project to optimise their irrigation networks. On a larger scale, it will enable communes to work together to respond to the effects of climate change.

“Winner of hearts” 2021

  • Project initiators: Commune of Val de Bagnes, Droople SA, in partnership with EPFL and ALTIS Groupe SA
  • Project name: WaSTeLeSS (Water savings and termination of Leakage through Smart Sensors network)
  • Aim: To raise awareness of water use in Val de Bagnes and reduce drinking water consumption by up to 20%
  • Reward: CHF 10,000 
  • Contact: ramzimail@droopleweb.com

Find out more

Droople SA's "WaSTeLeSS" project, developed in partnership with EPFL and ALTIS Groupe SA and supported by Innosuisse, offers an innovative service – a digital platform for the management of water-consuming equipment – that allows for more transparent and efficient management of water and its consumption. The service, based on a consumer-pays model, reduces overall cold and hot water consumption in buildings where it is used by an average of 20%. Thanks to #prixalpiq, this platform, already operational in a test environment, will be deployed at the Espace Saint-Marc in Le Châble – a space that welcomes more than 40,000 visitors per year – in partnership with the commune of Val de Bagnes. Visitors will be informed about the amount of water they use and will therefore become aware of the impact of their actions. It should be noted that user awareness can reduce water consumption by 10 to 15%. 
The project establishes a new model of collaboration with the water and energy provider and distributor ALTIS Groupe SA, in order to offer services that correspond to the needs of the final consumer according to the "consumer-pays" model.

Further projects 2021

Clean-up of the Bisse Roux

  • Project initiators: Municipality of Anniviers, PATRICK EPINEY Ingénieur Sàrl
  • Description: Refilling of the bisse in order to irrigate agricultural areas, intercept runoff, manage torrent flows, limit flood risks and provide an additional solution in case of fires.
  • Contact: infomail@patrickepineyweb.ch

Better sustainable management of drinking water

  • Project initiators: Municipalities of Anniviers, St-Martin and Törbel, HES-SO Valais Wallis
  • Description: Survey and mapping of existing drinking water sources and development of a monitoring tool to provide an overview of water resources, analyse their use, optimise their management and identify energy potential. 
  • Contact: stephane.genoudmail@hevsweb.ch

WalliserSchiäber

  • Project initiators: Municipalities of Ausserberg and Eischoll, Stahleinbau GmbH and Imboden Elektromechanik AG
  • Description: With the new "WalliserSchiäber" system, the operation of the valves is fully automated. The time and effort required is considerably reduced thanks to a remote control system. A solar cell stores the necessary control energy in a battery. This guarantees the operation of the valve for several days, even in bad weather. For more information: www.walliserschiäber.ch
  • Contact: brunner.ninomail@stahleinbauweb.ch

Water regulation

  • Project initiators: Municipality of Zwischbergen 
  • Description: Control and automation of the water flow by means of electronic valves between the Zwischbergen and Gondo reservoirs in order to optimise water management and reduce water consumption.
  • Contact: gemeindemail@gondoweb.ch

Preliminary study on the efficient management of water resources for agricultural use on a regional scale

  • Project initiators: Municipalities of Chalais, Chippis, Grône and Sierre, PATRICK EPINEY Ingénieur Sàrl
  • Description: Inventory of current irrigation and identification of the best irrigation equipment to allow: efficient and rational water management, optimisation of water consumption, reduction of losses and wastage and preservation of aquatic environments.
  • Contact: infomail@patrickepineyweb.ch

Vallon de Barme – installation of a drinking water treatment system

  • Project initiators: Municipality of Champéry, Association for the protection and development of the Barme valley
  • Description: Installation of a filter (slow sand filtration - KLS® technology) and a tank to purify the water of the hamlet of Barme. The aim is to allow the many visitors to enjoy nature without harming the environment or their health.
  • Contact: contactmail@vallondebarmeweb.com

Vorthy

  • Project initiators: Municipality of Dorénaz, Romain Lugon
  • Description: Production of hydroelectric energy from the Rhône with the installation of a micro plant (with a 300 kW Vortex turbine) in order to provide direct energy to the municipality, while preserving the environment.
  • Contact: lurmail@hydro-exploitationweb.ch

Combioula thermal water

  • Project initiators: Municipality of Hérémence, mjd architectes SA
  • Description: Water from the Combioula aquifer is the key resource for the energy (district heating and turbines) and thermal (baths and treatments) operations of the entire Dixence Resort hotel and residential complex.
  • Contact: jean-daniel.massereymail@mjdweb.ch

Turbining of irrigation water from the Combe de l'A

  • Project initiators: Municipality of Liddes, Dransenergie SA
  • Description: Construction of a water intake, a penstock to the current reservoir, and then a turbine room (using the fall imposed by the place of abstraction) in order to meet the irrigation needs of the municipality.
  • Contact: administrationmail@liddesweb.ch
    james.derivazmail@dransenergieweb.ch

Phyto ZERO

  • Project initiators: Municipality of Riddes, RedElec Technologie SA, NVTerra SA
  • Description: Innovative electrochemical water treatment technology to improve the pre-treatment of phytosanitary residues in farmers' machinery washing stations. The objective is zero discharge of pollutants and limited use of chemical products. 
  • Contact: infomail@redelecweb.ch

UVC – a resource-saving alternative to pesticides

  • Project initiators: Municipality of Salgesch, Aquanetto Group GmbH
  • Description: Innovative vineyard treatment with a fungicide-free UV-C irradiation system to protect the water from undesirable inputs related to the use of plant protection products. System adapted to the topography of the Valais vineyards. 
  • Contact: guidal.kohlermail@gmailweb.com; www.aquanetto.ch

FISHLAB-CH

  • Project initiators: Municipality of Sion, Corealis sàrl
  • Description: In order to assess the effects of climate change, development of a standardised observation network of fish flows in various Swiss rivers using innovative technology that respects the fauna and allows for significant data acquisition.
  • Contact: damien.sidlermail@corealisweb.ch

BONNALTIS

  • Project initiators: Municipality of Val de Bagnes, ALTIS Groupe SA
  • Description: Construction of a mini waste water treatment plant for the hamlet of Bonatchiesse, required for compliance with the renovation of mayens. This measure supports the maintenance of the hamlet while respecting water protection requirements.
  • Contact: alexandre.gilliozmail@altisweb.swiss

Revitalisation of the milling sites on the Vétroz plain

  • Project initiators: Municipality of Vétroz, PATRICK EPINEY Ingénieur Sàrl
  • Description: Reopening of milling channels (lowland irrigation channels) to irrigate agricultural areas, to feed future water bodies, to create plantations and structures supporting biodiversity.
  • Contact: olivier.cottagnoudmail@vetrozweb.ch; infomail@patrickepineyweb.ch

Drinking water and irrigation water MZS Gornerli

  • Project initiators: Municipality of Zermatt
  • Description: Assessing the possibility of using a reservoir (as part of the MZS Gornerli project – multifunctional reservoir project downstream of the Gorner glacier) to meet the future drinking water and irrigation needs of the Matter and Visp valleys.
  • Contact: romy.binermail@zermattweb.ch