[TriLUG] Slightly OT: AOL Cable Broadband & Linux

[Jon Carnes]

Excellently done! Thanks for the analysis.

Jon Carnes

On Mon, 2003-01-06 at 16:35, Joseph Tate wrote:
> I've read that PC's cost as much as $20 a month in power costs, but I 
> don't remember the source.  Howerver, in late 2001 according to Wise Inc 
> (which quotes the EPA), the average PC used between 50-100 W/h when in 
> operation.  Over one month, that cost (assuming 9c/kWh as it was in July 
> 2001 in Charlotte, though higher in most parts of the country, don't 
> have my power bill in front of me to see how much it is today) is $3.24 
> to $6.48 not including taxes.  With a monitor, which uses between 85-150 
> W/h, that figure can more double.  Energy costs have gone up as has 
> energy consumption.  A PPro 200 uses 69 W.  A 1.5 Ghz P-4 uses 85 W.  A 
> Dual P-III 533 server uses 141 W.  A $5-10 savings figure may be a 
> little off centered, but not too much.  I got most of my figures from 
> http://www.thinclient.net/_vti_bin/shtml.exe/power/intro-f.htm and 
> http://www.wyse.com/overview/energy/.  The cost of running an 8 port hub 
> was 8 watts.  This I would imagine is close to what running the "boxed 
> edge router" uses:
> 
> Thus using a 200Mhz Pentium Pro and assuming that todays power costs are 
> 12cents/kWh:
> 69W - 8W = 61 W
> 61W * 30 days * 24 hrs / 1000 = 43.92 kWh/month
> 43.92 kWh/month * $.12/kWh = $5.27 + taxes.
> 
> Joseph
>