I would assume that food maintenance becomes energy maintenance for robots. And sentient robots will likely need more energy than nonsentient ones. Why?
Well, for starters, specialized machines tend to be more energy efficient, nowadays, than general purpose devices. I don't see this changing much, and a sentient machine is by definition as general purpose as you can get.
In addition, I'd expect self-aware machines to have additional wants, such as extra maintenance, special oils or special chargers (maybe nonstandard voltages/frequencies pleasantly stimulate their artificial synapses, what do we know?), and those will also increase consumption.
But, this would be influenced by Collectivism, as collectivist android would be less fussy about these extras, for the good of society as a whole.
So yeah, Collectivism can give the full bonus for robots.