The Volkswagen Group is entering into the operation of large battery storage systems for the power grid. The first so-called Power Centre, which temporarily stores green electricity, will be connected to the grid in Germany next year, VW’s chief technology officer Thomas Schmall announced in Berlin on Friday. The site will be in the north of Germany and the ground-breaking ceremony is scheduled to take place in the next six to eight weeks. “And we will go online at the beginning of next year,” said Schmall. “We will then be in the concrete realization phase.” The plant will be operated by VW’s…