Sorry to respond to an old post, but I was hoping you might be able to help me out. You mentioned you've got a controlled load? What tariff are you on? Do you know anything about tariff 35 (ie when or how long its on). I've been trying to get the information from agl without much luck.
I assume you mean Mk7A? I'm guessing by know you have got the information you need elsewhere but just in case if you google "MK7A meter reading" there is a pretty good document online.