[huskerlug] A 100 watt laptop requires 960 lbs of coal per year!

  • From: GreyGeek <jkreps@xxxxxxxxxx>
  • To: undisclosed-recipients:;
  • Date: Sat, 22 Mar 2008 14:27:09 -0500

 http://en.wikipedia.org/wiki/Coal#World_coal_reserves[1]


Running one 100 watt computer for one year requires 876 kW&middot;h (100 W
&tim24 h/day &times;365 {days in a year} = 876000 W&middot;h = 876
kW&middot;h). Converting this power usage into physical coal consumption:


It takes 438 kg (966 pounds) of coal to power a computer for one full year. 
One should also take into account transmission and distribution losses[2]
caused by resistance and heating in the power lines, which is in the order
of5&#8211;10%, depending on distance from the power station and other
factors.


It also generates about 800 lbs of CO2


Moral:  Turn you laptop off when you are not using it.



--- Links ---
   1 http://en.wikipedia.org/wiki/Coal#World_coal_reserves
   2 http://en.wikipedia.org/wiki/Power_line#Losses

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