If you ran a computer 8 hours a day and it used 500 watts (average per hour) it would cost about $182.625.

(Which is 50 cents per day, and this is a worst case scenario for most machines).

**This assumes about **__1461 kilowatt hours per year__ at __12.5 cents per kilowatt hour__.

Most modern computers only use about 180 to 360 watts **under heavy compute loads**, so expect it to cost less, even if your electricity does cost +25% more than ours.

Note: In Western Australia energy is 13.94c per kW/hour.

SDB.