Big Six energy firms have made more than £7billion in just five years from overcharging their loyal customers

‘The Big Six energy firms have made more than £7billion over five years by overcharging loyal customers, research suggests.
The largest gas and electricity companies offer discounted rates to persuade families to switch from other suppliers, but then put up their charges a year or two later.
It means that if they fail to switch suppliers regularly, millions of customers of British Gas, SSE, E.ON, Npower, EDF and Scottish Power pay more than they need to.
An analysis of official statistics has found that each family that has stuck with the same Big Six provider for at least five years has handed over an average of £853 more than it needed to. That works out at £14 a month.’
Read more: Big Six energy firms have made more than £7billion in just five years from overcharging their loyal customers