FILE PHOTO: Solar panels surround the entrance to the Wacker Chemie AG facility in the south-east Bavarian town of Burghausen April 1, 2014. REUTERS/Michaela Rehle/File Photo
FILE PHOTO: Solar panels surround the entrance to the Wacker Chemie AG facility in the south-east Bavarian town of Burghausen April 1, 2014. REUTERS/Michaela Rehle/File Photo