Electrical costs to run a home web server

[James Mcphee]

don't forget to factor in that a computer is a pretty efficient space
heater.  cost isn't all in power.  a datacenter averages 40% of its costs
(total costs) in cooling.  I'm sure that doesn't translate well for homes,
but something to keep in mind if you're trying to get numbers at this level.

On Wed, Jul 21, 2021 at 11:28 AM Matthew Gibson via PLUG-discuss <
plug-discuss at lists.phxlinux.org> wrote:

> Anime and Linux = a nerds best friend
>
> On Wed, Jul 21, 2021, 10:40 AM Retro64XYZ via PLUG-discuss <
> plug-discuss at lists.phxlinux.org> wrote:
>
>> Anime? A LOTTTTTTT of anime?
>>
>> On 7/21/21 10:34 AM, Keith Smith via PLUG-discuss wrote:
>> >
>> > I am curious... what could you be doing at home that might require a
>> > R730xd?
>> >
>> >
>> > On 2021-07-21 07:55, Snyder, Alexander J wrote:
>> >> I run a Dell R730xd, a switch, a hardware FW, a NAS and a 3000VA UPS.
>> >>
>> >> On 24/7, obviously.
>> >>
>> >> I barely notice the extra power on my monthly bill.
>> >>
>> >> Thanks,
>> >> Alexander.
>> >>
>> >> Sent from my Samsung S20+ 5G
>> >>
>> >> On Wed, Jul 21, 2021, 07:34 Keith Smith via PLUG-discuss
>> >> <plug-discuss at lists.phxlinux.org> wrote:
>> >>
>> >>> Hi,
>> >>>
>> >>> I just read this quote about the electrical costs to run a web
>> >>> server
>> >>> from home:
>> >>>
>> >>> Cost: While it may sound cheaper to use that computer lying around
>> >>> doing
>> >>> nothing when creating your web server, when you factor in the cost
>> >>> of
>> >>> powering an old computer 24 hours a day, it can get very expensive.
>> >>> A
>> >>> 250W desktop computer running 24 hours per day at 12 cents per KW/h
>> >>> is a
>> >>> whopping $262.00 per year!
>> >>>
>> >>> ---
>> >>> I think their math is wrong.
>> >>>
>> >>> The average residential electricity rate in Chandler is 10.85¢/kWh.
>> >>>
>> >>> I'm thinking a low traffic PHP web server running on an old Dell
>> >>> with a
>> >>> 400 watt power supply is not using but maybe 100 watts on average.
>> >>> I've
>> >>> read that the computer should use no more than half the power supply
>> >>>
>> >>> capacity.  Is this correct?
>> >>>
>> >>> If my home web server is using 100 watts an hour that mean 100 watts
>> >>> *
>> >>> 30 days * 24 hours or 72K watts.
>> >>>
>> >>> I'm thinking 72 * .1085 = $7.81 a month.
>> >>>
>> >>> Any thoughts are much appreciated.
>> >>>
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-- 
James McPhee
jmcphe at gmail.com
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