The world's biggest lithium ion battery has started delivering power. The electric car company's Powerpack battery system stores energy generated by a nearby wind farm and is capable of providing electricity for as many as 30,000 homes. Related: Tesla has built the world's biggest battery in Australia"South Australia is now leading the world in dispatchable renewable energy," the state's premier, Jay Weatherill, said in a statement Friday. But some experts say the giant Tesla battery alone isn't enough to solve the state's energy problems. The battery also might not be the world's biggest for long.

Source: CNN December 01, 2017 06:07 UTC