Transgrid

Built World

Operates the SIPS control system for the Waratah battery

Australia's most powerful battery is finally running at full capacity. The 850-megawatt Waratah Super Battery reached final commercial operations on September 28, more than a year after a transformer failure cut its output in half.

Updated Sep 28

Built World

NSW transmission owner and counterparty to backup power agreement

Broken Hill has kept its lights on during grid outages with diesel generators nearing retirement. That backup is about to take a new form: Hydrostor received grid connection approval in early September for a 200-megawatt compressed-air storage plant built into disused mine caverns next to town.

Updated Sep 4

Rule Changes

Bid to recover A$1.2 billion provisionally rejected

Transgrid's plan would have added about A$18 to the average household power bill in 2027-28 to cover overruns on Project Energy Connect. Australia's energy regulator said no on September 1, provisionally rejecting the A$1.2 billion recovery bid.

Updated Sep 2