Energy technology in
Sion

Telsa SA

Since 2021 · 11–20 empl.·4.6(24)

Telsa SA designs and builds electrical switchgear and automation systems, and provides engineering, installation and maintenance services. It also assembles electronic circuit boards and devices, and designs, builds and maintains hydroelectric installations.

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.

Lizerne et Morge SA

Since 1957 · 1–10 empl.

Lizerne et Morge SA operates in the hydroelectricity sector.

WattAnyWhere SA

Since 2021 · 1–10 empl.

WattAnyWhere SA develops mobile fuel-cell generators that convert renewable ethanol into electricity. The generators are designed to provide off-grid power for applications including retail, electric-vehicle charging and other industries.

Groupe E Entretec SA

Since 2018 · 101–500 empl.·5.0(1)

Groupe E Entretec SA provides technical building and facility management services for businesses. Its activities include planning, operating and maintaining building systems such as heating, ventilation and cooling, as well as water treatment, energy monitoring and optimisation.

Electricité de la Lienne SA

Since 1953 · 1–10 empl.

Gazoduc SA Sion

Since 1961 · 1–10 empl.

Hydro-Rhône SA

Since 1982 · 1–10 empl.

TorPower SA

Since 2020 · 1–10 empl.

CELECTIS Sàrl

Since 2022 · 1–10 empl.

Emissium SA

Since 2023 · 1–10 empl.

USMO SA

Since 2024 · 1–10 empl.