Fronius International GmbH

Whether welding technology, photovoltaics or battery charging technology - our goal is clearly defined: to be the technology and quality leader. With more than 3,000 employees worldwide, we shift the limits of what’s possible - our more than 900 granted patents are testimony to this.

Fronius International GmbH is an Austrian company with headquarters in Pettenbach and other sites in Wels, Thalheim, Steinhaus and Sattledt. With 3,385 employees worldwide, the company is active in the fields of welding technology, photovoltaics and battery charging technology. Around 91,5 % of its products are exported through 21 international Fronius subsidiaries and sales partners/representatives in over 60 countries. With its innovative products and services and 928 granted patents, Fronius is the global innovation leader.

The three divisions in detail:

  • Perfect Welding: Since 1950. Products and complete systems - both manual and automated – as well as the corresponding services (for the global welding technology market).
  • Solar Energy: Since 1992. Services, inverter and energy-storage systems to optimise energy yields (for the photovoltaics industry).
  • Perfect Charging: Since 1945. Professional battery charging systems for both workshops and industrial applications.

Role & Key Contribution:

  • Building solar inverter and battery charging demonstrators with the PowerBase semiconductors together with their characterization and testing.
  • Deep knowledge in the developing and manufacturing of highly efficient power electronic converters, assembling and test.


Fronius International GmbH

Froniusplatz 1
A-4600 Wels, Austria