epa06071803 Tesla CEO Elon Musk reacts during a press conference at the Adelaide Oval in Adelaide, South Australia, Australia, 07 July 2017. Tesla will partner with French renewable energy developer Neoen to build the world's biggest Lithium Ion Battery, a 100MW battery that will be built in James Town, the South Australian government announced on the day. EPA/BEN MACMAHON AUSTRALIA AND NEW ZEALAND OUT
