DanRussell published New technology could revive abandoned coal mines, says Nottingham...

New technology could turn the lights back on at some of the county's abandoned coal mines.Water found in disused pits has been identified as a new source of renewable energy following a two-year study by Nottingham Trent University.In conjunction with Nottinghamshire-based renewable energy firm Alkane Energy, the research has established that thermal energy found in groundwater within the mines – which is naturally lukewarm due to heat from the ground – can be used to heat or cool...