Old Coal Mines Can Win a Second Life as Green Energy Hotspots

Dec. 18, 2020, 4:14 AM

Australia is studying plans to transform a disused underground coal mine into a pumped hydro facility, part of a wider effort to reuse retiring fossil fuel sites for renewable energy generation.

The A$13 million ($9.9 million) pilot trial at the Newstan Colliery, in Fassifern, about 140 kilometers (87 miles) northeast of Sydney, could offer a blueprint for dozens of expiring mines that’ll be retired in coming decades, according to the Australian Renewable Energy Agency.

Studies will test whether the Centennial Coal Co. site, close to Lake Macquarie, can eventually support a 600-megawatt pumped hydro facility that would take advantage of ...

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