With more than 80 employees FREQCON is one of the leading German engineering and manufacturing company of power converters and control systems for renewable energy systems and energy storage applications. Founded in 1988 the company is a pioneer of modern converter technology. It developed the first full-scale converter for wind turbines 30 years ago. The converters and control systems enable efficient and grid-friendly operation of wind turbines and energy storage systems. The portfolio includes solutions for grid-parallel operation as well as island grids. The products cover the entire spectrum from the kW range to multi-MW capacities. FREQCON is active in research and development and collaborates with a number of universities and research institutes in Germany and abroad.