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Fronius - Local production since 1992

Fronius is an Austrian manufacturer that was founded in 1945. The company specializes in the development and production of high-quality inverters, battery storage systems and monitoring solutions. Fronius products are in demand worldwide due to their high quality, which is why the company now has 37 subsidiaries on five continents. In addition, there are sales and service partners in more than 60 other countries on all continents. In order to continue to guarantee top quality, Fronius invests heavily in research and development.
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Expansion for the future

Fronius is also committed to sustainability, both in its products and in the way it does business. In addition to distributing clean energy, the company also aims to reduce its own CO₂ footprint. Fronius was able to further increase sales in 2022, bringing them to over one billion euros, and continues to expand for the future. This makes an investment in Fronius products a safe and long-term one.

Frequently asked questions

  • How long are Fronius warranties?
    The manufacturer's warranty is 2, 5 or 10 years, depending on the product series. For more detailed information on the warranty period, please refer to the data sheet provided with the respective product.
  • What is Fronius' production volume?
    With a production volume of around 32,000 inverters per month in 2022, Fronius aims to increase this by more than 65% to over 52,000 inverters per month by the end of 2023. Thus, investments in the expansion of operations, compared to 2022 at 187 million euros, are also to be increased to more than 230 million euros. 
  • Where does Fronius produce?
    The company has been producing in its own production facility in Austria since its foundation. 
  • Where is the company located?
    Fronius now operates on five continents worldwide with its 37 subsidiaries, although the main concentration of locations is still in Europe. In addition, the sales and service partners are represented in over 60 countries on all continents, so that optimum support can be guaranteed around the globe. 
  • What products does Fronius specialize in?
    Fronius specializes within the photovoltaic industry in the production of inverters and electricity meters. 
  • When was Fronius founded and what are they known for?
    In 1945, the Fronius company was founded by Günter Fronius, a trained electrical engineer, in Pettenbach, Austria, as a one-man operation for radio and electrical maintenance work. Fronius' fame continued to grow through the invention of simple battery chargers, and welding transformers have been part of the company's portfolio since 1950. Over the years, the company continued to expand, entering the solar business in the 1990s. Now run by the 3rd generation of the Fronius family, the headquarters are still in Pettenbach, Austria, whose mainstays today are solar energy, welding and battery charging technology.