The Waratah Super Battery will protect the network in case of outages or transmission line failure.

The Waratah Super Battery project under construction in Colongra, Australia. Courtesy of Akaysha Energy

|Updated:
Part of the New South Wales (NSW) Waratah Super Battery Project has been switched on.
The energy storage facility is now running at 50 percent, providing 370 megawatts, and is projected to have the greatest output capacity in the world once fully operational.

Crystal-Rose Jones is a reporter based in Australia. She previously worked at News Corp for 16 years as a senior journalist and editor.