As energy firms race to meet challenges of storing power, critics worry about fluctuations in the depth of the loch. Overnight, Foyers, a small pumped-storage power station, had recharged itself, drawing up millions of litres of water into a reservoir high up on a hill behind it, ready for release through its turbines to boost the UK’s electricity supply.
Click here to read Guardian: Loch Ness hydro storage schemes fuel local anxiety.