[H-GEN] A modern mining rig

Russell Stuart russell-humbug at stuart.id.au
Thu Mar 27 21:10:01 EDT 2014


On Fri, 2014-03-28 at 10:27 +1000, Tony Bilbrough wrote:
> I think the average household uses more than 300W. I'm guessing you 
> dropped a few units?

An average household uses 18.1 KW hours per day [0].

So we have:

    18,100 [Watts * hours/day] / 24 [hours/day]
  = 754 Watts.

So yeah, I got it wrong.  My bad for not doing the units sanity check on
the calculation.

Another useful comparison is to the world's electricity consumption,
which was 20,181 TW hours / annum in 2008 [1] (which is approx 20 PW
hours, peta watt hours, peta = 10^15).

    20e15 [Watts * hours/year] / (366 [days/year] * 24 [hours/day])
 =  20e15 [Watts * hours/year] / 8784 [hours/year]
 =  2.8e12 Watts.

So bitcoins usage the worlds electricity consumption is:

    38e6 Watts * 100 [%] / 2.8e12
 =  0.0013%



[0] http://energymadeeasy.gov.au/bill-benchmark/results/3660/4
[1] http://en.wikipedia.org/wiki/World_energy_consumption




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