[mythtv-users] Re: Energy Usage of MythBoxes

[David Whyte]

Exactly the ammo I was after.  I will go off the 80-100 watts figure 
and use the cost for Logan (nr Brisbane, QLD, Australia).

Can't be too expensive after all :P


On Sun, 20 Mar 2005 02:36:41 -0900, John Andersen
<jsa at video.homelinux.org> wrote:
> On Thursday 17 March 2005 05:59, Charles Choukalos wrote:
> > Hi John,
> >
> > Actually I'm in Texas (makes Jersy look like Paradise)
> > and during oh what 9 months out of the year its hotter
> > then hells kitchen (brown and ugly too).  When I lived
> > in New England electricity was a lot more expensive
> > but leaving on the computer provided a little heat in
> > the house and maybe hit my electric bill by $10 a
> > month or so... not too bad.  Down here during the long
> > ass hot desert period its about a $50 hit (most of
> > that is cooling).  Not to mention you rapidly realize
> > just how much heat a computer throws off
> 
> If the computer turned all the electricity it consumed
> directly into heat it could do no more than a 350 watt
> space heater.  That is to say, very little. (most space
> heaters are 2500 watts and up).
> 
> A 350 watt power supply seldom draws more than 100
> watts because no one burns cdroms while recording floppy
> drives and exercising the harddrive to the max on a box
> with every slot filled and every card pulling the max.
> Just does not happen.
> 
> But lets assume for a moment that you really could
> draw 350 watts on your Mythbox 24/7.
> 
> (That box can't consume more than 350 watts.
> fuze blows if it tries.)
> 
> .350 kilowatts for 24 hours = 8.4 kilowatt hours
> 
> times (plug in your number)  $0.13 / kwh = $1.09
> per day maximum theoretical possible.
> 
> Times 30 days = about $33 /month.
> 
> But since most pc power supplies are running
> at about 80 watts (measured by me) even
> when working hard, AND rates in Texas tend to
> be closer th 8cents than they are to 13cents
> http://www.puc.state.tx.us/nrelease/2000/120700.cfm ,
> your bill for running the above average PC 24/7
> is likely to be .08kw x 24h x 30 days x 8cents = $4.60 / month
> 
> I think you doth protest too much.  ;-)
> 
> --
> ______Jsa_________
> 
> 
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> 


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