Until 2020 the German company plans to build four additional production, laboratory and administration buildings on its Karlstein-Grosswelzheim business premises which measures 55,000 square meter in total. Once that new facility will be up and running completely the BMZ headquarters will employ a maximum of 1,500 people producing, “up to 800 million lithium-ion batteries in different sizes with a total storage volume of around 40 GWh per year,” is noted by BMZ.