Nanotube and metal composite interconnects are generally described. The auxiliary device includes a holder for fixing the auxiliary device on an arm of a waiter and a support member for a plate or a dish carried by the holder. A first electrode of the capacitor is connected to a reference voltage terminal and a second electrode of the capacitor is connected to one of a source and a drain of the transistor. Also determined is a target peak demand for the AC client over a second time interval that includes the first time interval.