Musk's Outback Success Points to Bright Future for Battery Storage

The battery system is designed to overcome one of the main obstacles to renewable energy taking a bigger role globally: reliability falters when the wind stops blowing or the sun goes down. Batteries store up power and then release it steadily to the grid when generation stalls.

“It’s regulating the heartbeat of the national electricity market,” Garth Heron, battery owner Neoen SA’s head of development for Australia, told a press briefing in Sydney to mark the plant’s one-year anniversary.