Australia 's new leader has taken extraordinary steps to secure future energy supplies . President Li 's first state visit was to ink an energy deal with Australia . Follows a spate of Chinese oil and gas investments in Africa , Africa and Australia . Saudi Arabia has long been a valued supplier , as has Angola , while Iran and Iraq are coming back into contention . China overtook the United States as the world 's biggest energy user in last month .
Australia 's new leader has taken extraordinary steps to secure future energy supplies . President Li 's first state visit was to ink an energy deal with Australia . Follows a spate of Chinese oil and gas investments in Africa , Africa and Australia . China overtook the United States as the world 's biggest energy user in last month .