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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersSionGrande Dixence SA
Grande Dixence SA Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Grande Dixence SA is the production of energy from hydropower, particularly through the operation of dams, hydroelectric power plants and pumping stations in the Alps. The company specializes in the generation of energy from hydropower and focuses on sustainable and environmentally friendly electricity production.

AI-generated
Offering

Products & services

Industry:Energy Suppliers
✓ Offered3
Hydropower generation
Renewable electricity generation from water, depending on the needs of the shareholders; peak and balancing power, winter production, valorisation of the reservoirs of the Dixence, Printze, Chennaz, Borgne and Viège.
Operation of hydropower facilities
Operation of a hydropower facility with dams, lakes, water intakes, pumping stations and power-generating plants; water management, storage, monitoring and operation of the complex.
Hydropower extension projects (Gornerli)
Multi-purpose reservoir project integrated into the existing infrastructure, to generate winter electricity, improve flood protection and secure the water supply.
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4.6/5

Grande Dixence SA

Trust & reputation

ranQ Trust Score of Grande Dixence SA: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Grande Dixence SA scores 85.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.82.924%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.82.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.95.08%
Grande Dixence SA scores 95.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.96.07%
Grande Dixence SA scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).86.722%
Grande Dixence SA scores 98.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.96.74%
Qualifications+0.00

Grande Dixence SA reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 25 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 25 reviews across all connected sources

Sources
GGoogle4.825
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

May 21, 2026Media
Projekt für Gornerli-Stausee bei Zermatt VS wird massiv teurer – und kleiner
baublatt.ch
September 6, 2025Media
Der Widerstand gegen einen neuen Stausee bei Zermatt wächst
blick.ch
May 14, 2025Media
Pionnière de l’hydroélectricité, Grande Dixence SA fête ses 75 ans
lenouvelliste.ch
May 28, 2024Media
La Grande-Dixence est-elle un exploit ou un affront à l’environnement?
24heures.ch
May 27, 2024Media
Staumauer Grand Dixence – von der Heldentat zur «Umweltsünde»
tagesanzeiger.ch
October 20, 2023Media
Des installations de la Grande Dixence remises à neuf pour 240 millions
rts.ch
January 27, 2023Media
Grande Dixence: Kraftwerke bereits jetzt wieder teilweise verfügbar
nau.ch
March 23, 2022Media
Produktion von Grande Dixence SA 2021 gesunken
swissinfo.ch

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Location

Rue des Creusets 41
1950 Sion
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.968.168
Founded
1950 · 76 years
Last commercial register change
July 3, 2026
Employees
101 to 500
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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