Trust me, scottish power/manweb billing system makes NTL look brilliant.
They sent me a letter the other week telling me that they were going to treble my monthly payments.
One phone call later and it got sorted (for now). It is not the first time either, they sent me a letter last week with a final settlement bill because I was moving house (news to me), they then sent me a bill to pay for
all the power I had used (and payed for) for the last 5 years
.
In the end I came out better off, cos they lost some records and could not charge me for a period
.