I just installed two elements to my kettle. 5 Star 3600w and 2400w. had a mates sparky son put in an extra 15a circuit for the 3600w. (and then we came up with the list of other stuff to do while he was there, 4 lots of bedroom fans, powerpoints everywhere ..... ahhhhh!!! Bloody good rates though!!)
He and my electronic engineer mate are in the sights to help build the control panel, heh heh heh, they just don;t know it yet!!!
My full test in anger is tomorrow, have done a couple of 35l test water boils and am getting 1.8 - 2 degree rise per minute in a 70l craftbrewer pot with no insulation as yet.
On the north shore (Turra) if you want a squiz