Something is wrong with your math. $227.52/year is $0.62/day Also, bear in mind that PSUs do not use their full rating unless the hardware they are powering re

Something is wrong with your math. $227.52/year is $0.62/day Also, bear in mind that PSUs do not use their full rating unless the hardware they are powering requires it. [0] Your number could easily be double what the machines actually used, if the PSU was somewhat oversized, as they typically are. [0]: https://superuser.com/questions/106792/does-a-power-supply-draw-only-as-much-power-as-it-needs https://superuser.com/questions/106792/does-a-power-supply-d...