Fronius International GmbH, an Austrian manufacturer, specializes in solar energy, welding technology, and battery charging technology. With a rich history dating back to 1945, Fronius has grown to employ over 5,400 people worldwide and has expanded its operations globally. The company offers a range of products and services, including high-performance inverters for grid-connected photovoltaic systems. Fronius operates various sites in Austria, including Pettenbach, Sattledt, Thalheim, and Wels, as well as international subsidiaries and sales partners in over 60 countries.