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The Guardian - AU
The Guardian - AU
Environment
Petra Stock

What is ‘dunkelflaute’? And how will a new long-duration battery change Australia’s energy grid?

The complex from the air
The Limondale eight-hour battery energy storage system near Balranald in NSW. Photograph: Viola Baumann/RWE

Australia’s longest duration battery will come online this year, a major milestone as the power grid charges towards a mostly renewable energy future.

When fully charged, the Limondale battery in south-west New South Wales will be able to pump 50MW of power back into the grid over eight hours.

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