Since joining npower in September 2012, we had been leaving readings in good faith on the cards left by their meter read agents, only they didn't bother coming back and banged a load of estimated readings on our account which were grossly underestimated. This only came to light when I became aware that we hadn't had a statement from them for a very long time. Needless to say, we ended up slammed with a huge shortfall bill and they tried to increase our DD from £111 to a whopping £253 a month - more than double!!! I paid the £325 shortfall yesterday over the phone, however the idiot who took the payment messed everything up - the money has left my account despite her bleating on that my card was refused, but npower don't know where the payment has gone!!! To put a top hat on the situation, I came home to a snotty reminder for another bill for £100 which I've never even seen and I've been hanging on the phone since 5:45pm until 7:20pm only to have some imbecile tell me nobody could take my call!!!!! I am absolutely steaming!!!
DO yourselves a huge favour and don't even look at npowers prices as I guarantee you WILL end up paying through the nose in the long run.
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