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Eletrical costs

B

budec

Gawd
Joined
Jul 10, 2002
Messages
748
My electrical company says I pay $0.05807 per kWh. My kill o watt says my server uses 2.12 kWh. I run the server 24x7.

Calculated out, 24 hours a day times 30 days a month; I get $88.638048 per month to run this server. That doesn't seem to make sense, because my bill was $102 last month and that is with running another computer that is 1.24 kWh (runs ~12 hours a day) [plus all my lights and other appliances]

What am I missing? I'm trying to figure if building a lower power computer is worth the cost.

Also the kill o watt says the server takes 190 Watts (under normal load).
 
Your system is in no way a single machine is using that much energy. I have never seen a 2KW power supply.. Multiple machines I can buy but even then these would not work on a single 15A 110V outlet.

I pay $0.05807 per kWh
Click to expand...

Are you sure that is it. WOW is that low. Some folks in California pay 8 times that. I pay 2 to 3 times that. However the electricity charge is around that but I also pay for transmission, distribution and then there the 5 other per W costs on my bill..
 
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I think you are reading the amount of power used in a unit of time. I remember there is a mode to calculate the total KW used since plugged in..
 
Also the kill o watt says the server takes 190 Watts (under normal load)
Click to expand...

At that power draw at your $0.058 per 1000WH means your system is using around 1 penny per hour.

Lets round up to a quarter per day. And then 30 days means your system costs about $7.50 per month.
 
5 cents seems low. Where are you exactly? 3 Mile Island?

Also... are there other charges, like delivery, maintenance fees, commodity charges etc on the bill that are pro-rated by Whr? My bills says 0.115 but it works out to 0.15 or so.

I think the kill-o-watt has an average power function of some kind, that might give a more useful value over days/nights/days-of-week
 
drescherjm said:
Your system is in no way a single machine is using that much energy. I have never seen a 2KW power supply.. Multiple machines I can buy but even then these would not work on a single 15A 110V outlet.
Click to expand...

It's a dual core AMD MP with 4 drives.

the kill-o-watt says it uses 190 Watts. The other function is labeled "kWh" which displays 2.12

Also... are there other charges, like delivery, maintenance fees, commodity charges etc on the bill that are pro-rated by Whr? My bills says 0.115 but it works out to 0.15 or so.
Click to expand...

Yea, there are other charges like that; but have trouble making sense of them, so just trying to use this to get a general idea.
 
190W seems normal for that type of system. I had one of those a few years back.

Yea, there are other charges like that; but have trouble making sense of them, so just trying to use this to get a general idea.
Click to expand...

You need to add up all of the per KW h charges to get the total.

Take that total and multiply it by 4.56 to get the per day cost.

BTW the calculation is

190/1000 = 0.19

0.19 * 24 = 4.56

See:
http://en.wikipedia.org/wiki/Kilowatt_hour
 
I thought mine was really cheap. I pay $0.078204 per kwh, not including the $7 basic charge. Using Puget Sound Energy.
 
I don't have a bill in front of me, but I am jealous, I know mine is much higher than that. On average our bill is $375 a month...not including the propane we need every 3 weeks or so heh
 
My average bill in Pittsburgh, PA is around $100US for a 2500 square foot house. It does get in to the low $200s for maybe 1 month a year because of the AC. I do run 1 computer 24/7 but it uses around 110W idle (core2 quad q9550 slight OC + 6GB mem + 2 tuner cards + 7 hard drives with some spinned down).

With that said its just me and my SO Kathy.
 
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