Maybe not breaking the law, but if you're not the person ultimately responsible for the costs and they're not actually your computers, that's still a dick move.

Maybe not breaking the law, but if you're not the person ultimately responsible for the costs and they're not actually your computers, that's still a dick move. I'd fire you if you worked for me and caused a massive increase in my power bill for something that had no relation to what I asked you to do.