A possible electricity shortage has sparked fears of power outages and even a return to a three-day week as the UK struggles to keep the lights on. | https://www.google.com/url?rct=j&sa=t&url=http://www.thecourier.co.uk/news/local/fife/three-day-week-warning-after-power-station-closures-spark-energy-concerns-1.903523&ct=ga&cd=CAIyHDJlN2NmYjE5ODk0N2NmZTU6Y28udWs6ZW46R0I&usg=AFQjCNEtgeVJsPZFxJshEexJFiSK_CtzGg