Featured in Full picture on quality – 04-2022

Big battery breach

In September 2021, not long after a fire at the Victorian Big Battery made international headlines, Neoen’s original “Big Battery” – the Hornsdale Power Reserve in South Australia – was sued by the Australian Energy Regulator for failing to provide all of the frequency control ancillary services it had agreed to offer. The case is now before Australia’s Federal Court, where the judgement could set an important precedent for network operations in Australia, as well as the transition to large-scale batteries.
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Image: Neoen

The Australian Energy Regulator (AER), the nation’s energy cop, has taken Neoen’s 150MW Hornsdale Power Reserve (HPR), otherwise known as the “Tesla Big Battery,” to Australia’s Federal Court for allegedly failing to deliver frequency control ancillary services (FCAS) for which it was contracted to provide from July to November 2019. AER Chair Clare Savage said …

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