Then he told me you get a 9% refund on your bill as a discount, a bit like interest.
Steve
9%!
Give them all your money. Let them put the DD up as much as they want.
9% is a cracking rate of interest on a loan. Can't think of anywhere else you'd get a return like that. And it isn't as if energy companies are going to go bust or anything.
Could change their rules though.