Australian Vanadium Batteries: A Game-Changer for Remote Energy

In Kununurra, Western Australia, a vanadium flow battery trial promises a breakthrough in clean energy storage, particularly for remote and off-grid communities. This innovative technology could displace diesel and gas reliance with reliable, long-duration power.

Horizon Power’s trial of a 78-kW/220-kWh vanadium flow battery aims to deliver safe, affordable, and efficient energy for isolated areas. Unlike lithium-ion batteries, these batteries thrive in extreme conditions and provide energy storage for 10-12 hours, perfect for regions like Kimberley.

WA Energy Minister Reece Whitby highlighted the technology's resilience in harsh conditions, such as Kununurra's 44°C heat. "Batteries like this capture energy when available and dispatch it when most needed," he said.

Deep-storage batteries, such as vanadium flow, zinc bromine, and sodium sulfur models, are crucial for Horizon’s microgrids. These systems aim to enable renewable energy use during "renewable droughts," moving closer to a 100% renewable energy future for isolated communities.

The technology, pioneered at UNSW and backed by Australian Vanadium Ltd (AVL), aligns with AVL’s ethical “pit to battery” strategy. With a 25-year lifespan, the batteries can charge and discharge simultaneously, making them scalable and safe.

"This trial is an important step toward decarbonization," said Horizon’s Vi Garrood, emphasizing local support for these automated, remote systems. The trial in Kununurra is drawing global attention, potentially setting a benchmark for long-duration energy storage.

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