Energy Industry in
Sion

14 companies in Energy Industry based in Sion — name and year of registration from the commercial register. The list below shows them all.

Companies

All 14 companies in Sion

Telsa SA Logo

Telsa SA

Since 2021 · 11–20 empl.4.6(24)

The company TELSA SA is primarily active in the fields of automation, electronics industry and renewable energy. In particular, it offers services and products in the following areas: Electrical Engineering, Industrial Electronics, Renewable Energy, particularly the development and implementation of mini-turbines for energy generation from water networks, Hydroelectric Power Plants, CMS and BGA technology (Surface-Mount Technology and Ball-Grid-Array Technology), and SMD-THT PCB assembly. Additionally, the company also provides training and consulting services in these areas.

Energy IndustryElectrical engineeringIndustrial electronicsRenewable energies
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
FMV SA Logo

FMV SA

Since 1991 · 21–50 empl.5.0(1)

The company's core activity is the production, distribution and utilisation of renewable energy, particularly hydropower, photovoltaics and other renewable energies. The company operates a 100% renewable production park and aims to become the largest Swiss hydropower producer by 2050.

Energy SuppliersHydropower generationTransmission and operation of the high-voltage gridElectricity marketing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Lizerne et Morge SA Logo

Lizerne et Morge SA

Since 1957 · 1–10 empl.

Lizerne et Morge SA is a company active in the hydroelectricity sector, offering services related to hydropower.

Energy IndustryHydroelectricity
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
WattAnyWhere SA Logo

WattAnyWhere SA

Since 2021 · 1–10 empl.

The core activity of WattAnyWhere is the development and provision of mobile generators that convert renewable ethanol into clean electricity. These generators are compact, scalable and portable and can be deployed within days to meet the demand for clean energy. The company focuses on providing sustainable energy solutions for businesses and organizations, particularly in the field of renewable energy.

Energy IndustryMobile ethanol generator
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Groupe E Entretec SA Logo

Groupe E Entretec SA

Since 2018 · 101–500 empl.5.0(1)

Groupe E Entretec SA provides energy services including the production and distribution of electricity and solutions for heating and cooling. Its offerings include photovoltaic systems, electrical installations and maintenance, heat pumps and district heating, electric vehicle charging solutions and energy-efficiency advisory services.

Energy IndustryWater treatment and maintenanceEngineering, maintenance and energy-optimisation services
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #5
ED

Electricité de la Lienne SA

Since 1953 · 1–10 empl.

Energy Industry
No score yet
GS

Gazoduc SA Sion

Since 1961 · 1–10 empl.

Energy Industry
No score yet
HS

Hydro-Rhône SA

Since 1982 · 1–10 empl.

Energy Industry
No score yet
TS

TorPower SA

Since 2020 · 1–10 empl.

Energy Industry
No score yet
CS

CELECTIS Sàrl

Since 2022 · 1–10 empl.

Energy Industry
No score yet
ES

Emissium SA

Since 2023 · 1–10 empl.

Energy Industry
No score yet
US

USMO SA

Since 2024 · 1–10 empl.

Energy Industry
No score yet

Energy Industry in Sion

14Energy IndustryCommercial register (Zefix) · as of October 10, 2026
2021Median year of registrationCommercial register (Zefix) · as of October 10, 2026
120in the Canton of ValaisCommercial register (Zefix) · as of October 10, 2026
1,492in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

Energy Industry in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026