Building technology tenders (HVAC, electrical) in the canton of Valais
Here are the public tenders for building technology in the canton of Valais: open procedures first, then closed ones. Buyers with several tenders here include Service immobilier et patrimoine - Gérance et entretien d'immeuble and SBB CFF FFS Infra-Energie. Each detail page summarises the buyer, scope and dates, and links to the official notice on simap.ch. All industries together are on the page Public tenders in the canton of Valais.
Electrical installations, heating, ventilation, air conditioning, plumbing, building automation and maintenance of technical systems: installation and equipment contracts in the canton of Valais.
Open tenders
Barberine cascade, Major renewal - Invitation to tender Lot 401 Generator G3 & Lot 402 Pelton turbine with ball valves and distributor pipeline
SBB CFF FFS Infra-Energie is replacing Châtelard-Barberine I’s existing generating units with one 40MVA machine group to renew the plant supplying 16.7Hz railway power.
TGSB SA - Electromechanical renewal works (electrical installation) related to the renewal of the crossing lighting
Tunnel du Grand-Saint-Bernard is renewing the tunnel’s passage lighting, prompting associated electromechanical work to install new cable trays and adapt or replace related equipment.
Noës wastewater treatment plant - EM003 - Preparation and utilisation of biogas by CHP
Association pour l'épuration des eaux usées de Sierre et environs (Ville de Sierre - Service de l'environnement) is procuring equipment to prepare and valorise Noës wastewater treatment plant biogas through combined heat and power.
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Closed tenders
Barberine cascade, Major Renewal, Lot: PN drive train frequency converter and grid coupling
SBB CFF FFS Infra-Energie is renewing the Châtelard I and II power station equipment to secure reliable, highly available turbine and pump operation for at least 40 years.
Supply, delivery and commissioning of MV switchgear for the Ecône substation
Le projet consiste à équiper la nouvelle sous-station 16kV d’Ecône à Riddes de 28 cellules (fournitures, mise en place et mise en service), nouvelle sous-station en voisinage de la sous-station actuelle. Un nouveau bâtiment sera construit, et l’exploitation de la sous-station actuelle sera maintenue, jusqu’au basculement total des équipements dans les nouveaux locaux.
Full list of tendersEvery tender on this page, open and closed, with its submission deadline.ShowHide
- Barberine cascade, Major renewal - Invitation to tender Lot 401 Generator G3 & Lot 402 Pelton turbine with ball valves and distributor pipelineVS02.11.2026, 15:0036127
- TGSB SA - Electromechanical renewal works (electrical installation) related to the renewal of the crossing lightingVS26.11.2026, 13:3045442
- Noës wastewater treatment plant - EM003 - Preparation and utilisation of biogas by CHPVS16.11.2026, 11:5945413
- Canton of Valais - Maintenance contract - CFC 334 Safety equipment - Central ValaisVS23.10.2026, 23:5944748
- Canton of Valais – Maintenance contract – CFC 334 Safety equipment – Upper ValaisVS23.10.2026, 23:5944752
- State of Valais - Maintenance contract - CFC 334 Safety equipment - Lower ValaisVS23.10.2026, 23:5944751
- Design, supply, installation and maintenance of two wind turbines in CharratVS15.12.2026, 16:0044035