Pumped hydro

Glen Earrach Energy Limited announces plans to develop the UK's most efficient pumped storage hydro project at Balmacaan Estate, Scotland

Major reburbishment of Scottish power station expected to increase plant’s capacity by 10 per cent

Long duration energy storage is vital for Britain’s energy security, and the next Tory leader must urgently respond to industry proposals to grow the market, writes Drax's Will Gardiner