Market operator
Appears in 4 stories
Approved the battery to operate at full capacity
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
Operates the National Electricity Market
On a sunny Saturday lunchtime in September, wind and solar met 80.4% of demand on Australia's main electricity grid for the first time. Rooftop panels alone supplied more than half the power, and coal dropped to an 18.8% share, a record low.
Updated Sep 22
Issued grid connection approval for Silver City
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
Coordinating grid-forming battery deployment
When Tesla built a 100-megawatt battery in South Australia in 2017, it was the world's largest. Eight years later, Australia has become the third-largest grid battery market globally, adding 8.6 gigawatt-hours of storage in 2025 alone—a tripling from the previous year. The country now has nearly 100 grid-forming battery projects in its development pipeline.
Updated May 29
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