Every use a Kill-a-Watt?
I calculated the energy consumption and cost of operating my Core i7 machine & 21" monitor (with Blackberry USB charger, external HDD AC adaptor plugged in) and it consumes approximately .2 KWH / hour. This translates to an energy cost of roughly $16.60464 per month. Assuming of course that I'm running it 24/hrs per day, which I'm not.
Pretty handy little device.
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