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DirectoryEnergy & EnvironmentEnergy SuppliersMartignyÉlectricité d'Émosson SA
Électricité d'Émosson SA Logo
Verified· 4 sources

Électricité d'Émosson SA

Summary

About the company

The core activity of Electricité d'Emosson SA is the production of electrical energy through hydropower, particularly through the operation of hydroelectric power plants, such as the Barrage d'Emosson, and the generation of energy from water resources.

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5
Hydropower generation
Renewable electricity generation from the Emosson dam, with two hydroelectric power stations supplying nearly 3% of the electricity produced in Switzerland.
Operation of a hydroelectric installation
Operation of the Emosson installation with dam, intakes, collectors, pumping station and the Vallorcine and La Bâtiaz power stations.
Management of reservoir water and pumped storage
Management of water stored by the dam, with flexible generation, pumped storage, covering peak load demands and contributing to grid stability.
Operation and maintenance of hydraulic structures
Daily operation of the structures, monitoring the control room, tracking the machines and external sites, with on-call duty 24/7, 7 days a week.
Environmental measures for hydropower structures
Remediation and renaturation of watercourses, maintaining residual flows, fish passes, environmental monitoring of construction sites and adapted operating manoeuvres.
Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.54
★TrustpilotSoon
PProvenExpertSoon

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Press

Media

September 18, 2025Media
Le barrage d’Emosson fête ses 50 ans en Valais
blick.ch
November 1, 2021Media
Au barrage d'Emosson, les droits d'eau des CFF sont maintenus
rts.ch
February 6, 2012Media
Le lac du barrage d'Emosson sera vidangé
rts.ch

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Location

Chemin du Gilloud 1
1920 Martigny
Opening hours
Mon
08:00 - 12:00, 14:00 - 16:30
Tue
08:00 - 12:00, 14:00 - 16:30
Wed
08:00 - 12:00, 14:00 - 16:30
Thu
08:00 - 12:00, 14:00 - 16:30
Fri
08:00 - 12:00, 14:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.760.633
Founded
1954 · 72 years
Last commercial register change
April 30, 2026
Employees
21 to 50

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