When I moved into my property was visited by sales man trying to sell me n-power electricity, went through the motions to see if cheaper etc but decided easier/cheaper to stay with provider already being used. Over 18 months later I receive a bill for £250 from n-power for electricity even though never signed up with them and pay monthly bill with another provider. Kept sending threatening letters for payment and had to make several lengthy calls to sort it out at my own expense, even though their error. Finally after 4 months was sorted... read full review »