<p>The world’s largest lithium ion battery was completed in South Australia, Premier Jay Weatherill announced on Friday, December 1.</p><p>Tesla Motors founder Elon Musk developed the giant energy project, agreeing to finish construction within 100 days or provide it for free to South Australia. It was completed on schedule.</p><p>The Sydney Morning Herald</a> reported the battery could power 30,000 homes, complementing the state’s existing energy sources, 40 per cent of which come from wind. Credit: Jay Weatherill via Storyful</p><br />
