STAY AWAY FROM BULB IF U LEAVE THEM THEY WILL MAKE U PAY THE PRICE FOR LEAVING THEM Been pay as u go meter all my life went with bulb they tariff goes up every time so left bulb just to get a bill off £100 that I owe them rang them to find out, lady on phone said first that the bill is from previous supplier which is not true because I have been pay as u go meter all my life, then she change her story to that your emergency credit I been using that the interest for it, I couldn't believe my ear they must think us public are thick as s**t, that how they treat u, now am pay £100 for nothing just because I left bulb and I made the best choice, JUST TO WARN PEOPLE IF YOU LEAVE BULB THEY WILL MAKE U PAY FOR LEAVING THEM!!!