Big Battery Summer: AEMO Highlights Role of New Storage in Grid Stability

With over 3 GW of new renewable generation and storage added to Australia’s grid, the 2024-25 summer is set to benefit from a 58% boost in battery capacity to help manage peak demands and ensure electricity reliability.

AEMO’s latest summer readiness report reveals that 3,175 MW of solar, wind, and battery projects have been fully commissioned since late 2023, with an additional 750 MW expected by December. This includes the 850 MW Waratah Super Battery, which is slated to become Australia’s largest energy storage unit.

In Western Australia, the Collie and Kwinana 2 batteries now contribute 425 MW, further enhancing grid resilience.

Australia’s summer energy challenges range from extreme weather impacts to low-demand periods. AEMO has prepared strategies for minimum system load conditions, addressing risks like excess solar generation on mild, sunny days.

To fill forecasted reliability gaps—265 MW in NSW and 200 MW in South Australia—AEMO is tendering for reserves and has emergency resources on standby.

Gas generation will remain crucial during peak demand, but new storage solutions and interim reliability reserves are shaping a future of increased reliance on renewables. Despite challenges, AEMO’s proactive approach ensures a balance between stability and the growing adoption of green energy.

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