Been with Avro for a couple of years now, get a monthly reminder 3 days before statement date to submit meter readings - which I always do on the due date. They've been fine so far, last year my credit was getting too big, then they had a hiccup and did not take a monthly payment, I was still well in credit so things just carried on and by the end of my 12 month deal I owed them about £7! This year, because my new deal started in Feb, I was in debit almost immediately, but it took a few monthe for them to increase my DD - by 5%! Been in debit for the past few months (since we turned the CH off!) but should soon return to credit so will watch the next few months to see what happens. Have to watch though - 2 pensioners in a well insulated 4 bed detached, but DD is £157pm, electricity about £100pm of that, probably wife's useage of washing machine and dishwasher! Wonder what would happen if I tried to switch from a fixed deal to the standard variable capped tariff which, I believe, is capped at about £100pm!!