Mr. Heinrich Gürtler received his Diploma of Engineering (Renewable Energy Systems) at the Technical University of Dresden. Since 2019 he works at the Research & Development Department of the Berliner Wasserbetriebe and works in national and international research projects in the field of energy optimization and the increased use of renewables. Berliner Wasserbetriebe as an innovative company is conducting research projects to enable a sustainable water management for 3.6 Mio. Inhabitants of Berlin.