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Calculating monthly usage/cost?

post #1 of 14
Thread Starter 
I just moved out of a college dorm where electricity was free and I'm curious how much approximately I'll be paying for month electricity? Any good calculators out there I can use by simply knowing the amount of watts my psu uses?

I have a 1200W rig & a 1500W rig.

Thanks.
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Verktøy Cu
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post #2 of 14
We'll need to know the actual consumption of the machine, the PSU rating is only the maximum it can do before it fails.

With that said, someone here can give you a good estimate.
post #3 of 14
Depending on where you live, electricity can either be tiered or constant.

The charge rate is multiplied by kwh (power consumption in watts/1000(hours))
post #4 of 14
HIGHLY dependent on local electricity rates. As well as what you're actually drawing in terms of usage.

In NoWhere, a kWhr of electricity is only $0.07USD or so. In California a kWhr of electricity can run ya $0.45USD.
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post #5 of 14
Your PSU's ratings have nothing to do with your actual power consumption, so that's the first thing you want to figure out. Then you need to figure out how much your electricity company charges per kWh (kilowatt hour). Finally the equation also needs to know for what stretches of time your computers are at that level of load.
Anyway, the math is simple:
A = Time in hours that you run your computer in a day * 30 days in a month
B = A * watts, e.g. 1500W in your case assuming you're using 100% of your PSU
C = B /1000
C * kWh with your electricity company = your monthly bill for just that computer.
post #6 of 14
you know it's different prices in each city right?
Also there are no such things as 1200w and 1500w rigs
You may have 1200w and 1500w PSUs but you could only be using 100w or less on idle
post #7 of 14

And buy one of these to test it out. I have one and love it, as it is very useful.
http://www.newegg.com/Product/Produc...lowatt%20meter

Too bad it is sold out there but amazon may have it also.


$16.50 not bad at all.

Edit:
A few more to choose from.
post #8 of 14

Get a

and measure the power consumption from the wall for a day/week/month. Then multiply by whatever the power company's rate is per kWh. That's how much it costs.
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post #9 of 14
fill PC with lights and solar panels.

^3
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post #10 of 14
Thread Starter 
Quote:
Originally Posted by Skripka View Post
HIGHLY dependent on local electricity rates. As well as what you're actually drawing in terms of usage.

In NoWhere, a kWhr of electricity is only $0.07USD or so. In California a kWhr of electricity can run ya $0.45USD.
I know...I figured you guys would see the Seattle location.

Where should I go to find out about rates?

Quote:
Originally Posted by Shub View Post
Your PSU's ratings have nothing to do with your actual power consumption, so that's the first thing you want to figure out. Then you need to figure out how much your electricity company charges per kWh (kilowatt hour). Finally the equation also needs to know for what stretches of time your computers are at that level of load.
Anyway, the math is simple:
A = Time in hours that you run your computer in a day * 30 days in a month
B = A * watts, e.g. 1500W in your case assuming you're using 100% of your PSU
C = B /1000
C * kWh with your electricity company = your monthly bill for just that computer.
Thank you

Quote:
Originally Posted by AK-47 View Post
you know it's different prices in each city right?
Also there are no such things as 1200w and 1500w rigs
You may have 1200w and 1500w PSUs but you could only be using 100w or less on idle
Yes I know... It says Seattle. Both comps run at 100% usage 24/7 (no not 100% of the psu is being used but a good portion if not all of it is and I'm going for worst case scenario) Estimating high for bills is smart no?

Quote:
Originally Posted by KILLER_K View Post
And buy one of these to test it out. I have one and love it, as it is very useful.
http://www.newegg.com/Product/Produc...lowatt%20meter

Too bad it is sold out there but amazon may have it also.
Amazon.com: P3 International P4400 Kill A Watt Electricity Usage Monitor: Home Improvement

$16.50 not bad at all.

Edit:
A few more to choose from.
Amazon.com: kilowatt meter
Thank you.

Quote:
Originally Posted by andrewmchugh View Post
fill PC with lights and solar panels.

^^^win.
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Verktøy Cu
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XForma MBX MKII
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