Prior to the launch of the single number in 2016 , people wishing to contact the relevant electric distribution company would have needed to know the 11-digit phone number of the electricity distribution company who served their area . Industry research following winter storms in 2013/2014 showed that most people in the event of a power cut would contact their electricity supplier ( who sources or generates the electricity and bills the consumer ) rather than the network operator ( who is responsible for delivering power from the National Grid )
winter storms in 2013/2014
2013–14 United Kingdom winter floods
105 (telephone number)