The Gigafactory that will make or break Tesla: Elon Musk's megafactory set to open on July 29th and will make 500,000 batteries a year

Tesla's Gigafactory in the Nevada Desert is finally nearing completion. Set to open on July 29th, it will have the largest footprint of any building in the world. The 5 billion structure will produce 500,000 lithium ion batteries each year to meet demand. When it's complete, Tesla's Gigafactory in the Nevada Desert will have the largest footprint of any building in the world. At the Model 3 launch yesterday, founder Elon Musk said the 5 billion structure will produce 500,000 lithium ion batteries annually to meet demand.