Tesla’s enormous battery in Australia, just weeks old, is already responding to outages in ‘record’ time

Less than a month after Tesla unveiled a new backup power system in South Australia, the world’s largest lithium-ion battery is already being put to the test. And it appears to be far exceeding expectations: In the past three weeks alone, the Hornsdale Power Reserve has smoothed out at least two major energy outages, responding even more quickly than the coal-fired backups that were supposed to provide emergency power.