Developers plan to build what they say will be the world’s biggest large-scale battery in the New South Wales Hunter Valley, the latest in a flurry of major energy storage projects announced for the national electricity grid. CEP Energy said its $2.4bn battery at Kurri Kurri, north-west of Newcastle, would have a power capacity of up to 1,200 megawatts – about eight times greater than the battery at Hornsdale in South Australia, which was the biggest when it began operating in 2017. It would also be significantly bigger than large batteries announced in the past three months for the Lake Macquarie Eraring coal power station in NSW, the Wallerawang power station near Lithgow, Torrens Island in Adelaide and near Geelong in Victoria . CEP Energy said it was part of a planned network of four grid-scale batteries, including two in Victoria and one in South Australia, that would have a combined capacity of 2,000MW. It was also planning 1,500MW of rooftop solar panels on industrial sites. Morris Iemma, a former NSW premier and CEP Energy’s chairman, said the clean energy roadmap that passed the state’s parliament last year had given the market confidence to invest in renewable generation supported […]

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