Thanks Neil. That's an interesting start. However, it does not answer my questions. 1. You've kindly described some purported benefits in general terms. My question was: "...what ... savings will apply...?". I don't know, from your reply, what savings, if any, will apply. For example: will my standing charge reduce because I'm not a customer whose house requires a visit to have a meter read? Will I enjoy a credit due to simplified billing? In each case, if so, how much? There must be an ...