BG are a total waste of space. I had a meter reading and the guy got it below the previous reading – so they calculater that the meter had gone round the clock – three times as much electricity in 3 months as the maximum supply to my house 24/7/ for 90 days. It was never reallysorted out – I switched supplier. When I rang in the final meter reading the lady tried to persuade me to stay – then I told her why I was leaving – she looked it and said that it was ludicrous – it should never have happend – but I pointed out that I had spoken to dozens of people who had all agreed – but it was never resolved. She agreed, the only sane thing was to get rid of BG.