I also have this question and notice in 5 years it has never been answered for SA users. Some interested customers, it has 19,500 views to date! It is a simple question, on an Atlas MK7A meter also system I have a 5000W solar panel system generating excess power giving me a miniscual 4c per kilowatt from AGL. I would like to press the boost button when sun is out - if it works- and save on the Controlled Load hot water night rate of 30 or 40 cents per kilowatt at 1am. Also a big environmental ...