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Caerau homes to be heated by water from closed coal mine

Former mines are peppered across the landscape of Wales, but one in Bridgend county is going to be used to heat people's homes.

A former colliery in Caerau is the site for a new £9.4m project that will take naturally-heated water and use it to power people's central heating.

Here is how it will work.

19 January 2018

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