Transmission network owner
Appears in 4 stories · Last updated Nov 4, 2026
Built and owns the New South Wales section
At 12:30 pm on 4 November 2026, the Australian Energy Market Operator put three 330-kilovolt lines into service in western New South Wales. The Bunday–Buronga line and the two Buronga–Dinawan lines are the second circuit of Project EnergyConnect, the 900-kilometre link between South Australia and New South Wales. Their commissioning started the inter-network testing program that governs how fast the link's capacity grows.
Updated 7 days ago
As of September 2026: 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
As of September 2026: 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
As of September 2026: 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
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