FILE PHOTO - The logo for Australia's biggest electricity network Ausgrid adorns the main entrance to the headquarters building in central Sydney, Australia, July 25, 2016. REUTERS/David Gray/File Photo

FILE PHOTO – The logo for Australia’s biggest electricity network Ausgrid adorns the main entrance to the headquarters building in central Sydney, Australia, July 25, 2016. REUTERS/David Gray/File Photo

FILE PHOTO - The logo for Australia's biggest electricity network Ausgrid adorns the main entrance to the headquarters building in central Sydney, Australia, July 25, 2016. REUTERS/David Gray/File Photo

August 17, 2016 12:29 AM (UTC+8)