Fronius international GmbH was founded in 1945 by Günter Fronius in Pettenbach (Austria), where its headquarters are still located today.

About Fronius

Started as a simple one-man operation in 1945, Fronius has become an integral part of industry today. Trained electrical engineer Günter Fronius manufactures a device that can be used to recharge car batteries so they can be used for longer.
That's the starting signal from Fronius.
Fronius is active worldwide in the fields of welding technology, photovoltaics and battery charging technology.
In 2020, Fronius already employs more than 5,400 people worldwide.
In addition to the company headquarters in Pettenbach and other locations in Wels, Thalheim, Sattledt and Steinhaus, Fronius is also represented in Germany.
In total, the company has 34 subsidiaries.

High-quality products and outstanding service make Fronius Solar Energy the quality leader on the world market for solar energy - and a prime example of sustainability.
As the youngest division of Fronius, the company has been researching, developing and producing innovative solutions for photovoltaics since 1992.
As a solar pioneer and inverter manufacturer from the very beginning, Fronius now offers its customers a wide range of products for generating, storing, distributing and consuming energy from renewable sources.
This includes inverters, storage solutions, meters and systems for energy monitoring, but also complete system solutions and a comprehensive range of services.



Fronius International GmbH
Froniusstraße 1
A-4643 Pettenbach

Tel: +43/7242/241-0
E-Mail: [email protected]

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