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Old 13.01.2020, 08:51
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Power costs for a dishwasher

How much does it cost for the power usage of a normal dishwasher used around 1.5 hrs per day. In Zürich. Is there a tool to calculate these costs?
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Old 13.01.2020, 09:07
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Re: Power costs for a dishwasher

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How much does it cost for the power usage of a normal dishwasher used around 1.5 hrs per day. In Zürich. Is there a tool to calculate these costs?
Not living in Zurich but I can offer some information on how to calculate. You need the energy consumption of the dishwasher which will vary depending on the cycle you use.

Then you need to look up the electricity rates for the specific area, which in all likelihood will include a rate for the day and the night, which is usually a lower rate.

One other cost to factor in is the amount of water required to run the specific cycle.
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Old 13.01.2020, 09:58
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Re: Power costs for a dishwasher

It depends on your machine, what program, do you use heated drying or not etc..

Look up info at the manufacturers site.

Here are the prices for your electricity: https://www.ewz.ch/de/private/strom/...ebersicht.html. (Can be different if your landlord has the roof stuffed with solar panels)

And in disregard to what a lot of people seem to think dishwashers aren't the biggest disaster for the wallet, and we have to clean our plates anyway and modern machines are more efficient than doing it by hand which consumes more water and energy.
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Old 13.01.2020, 10:04
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Re: Power costs for a dishwasher

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It depends on your machine, what program, do you use heated drying or not etc..

Look up info at the manufacturers site.

Here are the prices for your electricity: https://www.ewz.ch/de/private/strom/...ebersicht.html. (Can be different if your landlord has the roof stuffed with solar panels)

And in disregard to what a lot of people seem to think dishwashers aren't the biggest disaster for the wallet, and we have to clean our plates anyway and modern machines are more efficient than doing it by hand which consumes more water and energy.
Modern dishwashers use surprisingly little water, HOWEVER, most people seem to rinse each item under a running tap before putting in the dishwasher which seems a bit counter productive.

I normally just scrape the plates and pans into the bin or compost bag before stacking them in the dishwasher, smears and all. Occasionally the odd pan needs a bit of a pre-wash of any welded-on crusty bits.
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Old 13.01.2020, 10:22
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Re: Power costs for a dishwasher

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Modern dishwashers use surprisingly little water, HOWEVER, most people seem to rinse each item under a running tap before putting in the dishwasher which seems a bit counter productive.

I normally just scrape the plates and pans into the bin or compost bag before stacking them in the dishwasher, smears and all. Occasionally the odd pan needs a bit of a pre-wash of any welded-on crusty bits.
True, I know people who rinse up to a level where I think I would just let it dry and put half of it it back in the cabinet. Pre-rinse is not needed unless people have let things like pasta sauces and potato-parts completely harden-out. Just a wipe with a paper above the garbage-can right after usage is good enough. Pre-rinsing can even be bad since the sensors might not pick up enough food particles and thus shorten their program leaving the plates fatty. It is the old bad machines that required pre-rinsing, modern machines can handle this.
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Old 13.01.2020, 10:28
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Re: Power costs for a dishwasher

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Modern dishwashers use surprisingly little water, HOWEVER, most people seem to rinse each item under a running tap before putting in the dishwasher which seems a bit counter productive.
My parents used to do that. It made me feel super annoyed and ask all the time why they wash dishes when the machine does all the work more efficiently.
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Old 13.01.2020, 10:37
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Re: Power costs for a dishwasher

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Modern dishwashers use surprisingly little water, HOWEVER, most people seem to rinse each item under a running tap before putting in the dishwasher which seems a bit counter productive.

I normally just scrape the plates and pans into the bin or compost bag before stacking them in the dishwasher, smears and all. Occasionally the odd pan needs a bit of a pre-wash of any welded-on crusty bits.
Yes. Right. But if you leave the dishes in for 24 hours then everything dries and makes it more difficult to get the dishes clean. So a quick pre wash under water helps.
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Old 13.01.2020, 10:56
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Re: Power costs for a dishwasher

Hi,
Just find in your dishwasher's user guide the energy consumption for what cycle you do (or the power in watts of your device) than multiply by the number of hours used and your power provider rate for kwh.

cycle energy (kwh) * number of cycles * kwh rate = CHF

or but less accurate:

Power of the device (w) * number of hours * kwh rate = CHF

I live in Geneva where my power costs 50 cts / kwh, assuming my dishwashers is 1000 watts (conservative) with 1.5 hours per days * 30 days = 45 kwh so around 25 CHF monthly.

This is very conservative as the total power consumption of your dishwasher is mostly represented by the water heating systems wich doesn't run all the cycle long. I would say that it would costs you between 5 and 20 CHF per month.
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Old 13.01.2020, 11:08
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Re: Power costs for a dishwasher

I've got a couple of inline power meters which I can plug in and leave for a week (or a month) in situ so you can get a much more accurate daily usage amount and from that cost.
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Old 13.01.2020, 11:09
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Re: Power costs for a dishwasher

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I live in Geneva where my power costs 50 cts / kwh,
That can't be correct, unless you have some very weird and freaky construction.
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Old 13.01.2020, 11:18
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Re: Power costs for a dishwasher

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I live in Geneva where my power costs 50 cts / kwh, assuming my dishwashers is 1000 watts (conservative) with 1.5 hours per days * 30 days = 45 kwh so around 25 CHF monthly.

I pay less than CHF 25 per month in total and use the dishwasher. How old is yours? Seems an energy hungry one.
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Old 13.01.2020, 11:30
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Re: Power costs for a dishwasher

Am I the only one wondering how many people Omtatsat has got locked up in the cellar and is cooking for that he needs his dishwasher going for 1.5 hours a day?
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Old 13.01.2020, 11:43
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Re: Power costs for a dishwasher

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Am I the only one wondering how many people Omtatsat has got locked up in the cellar and is cooking for that he needs his dishwasher going for 1.5 hours a day?
Even without the dishwasher question I was wondering that....
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Old 13.01.2020, 11:44
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Re: Power costs for a dishwasher

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Am I the only one wondering how many people Omtatsat has got locked up in the cellar and is cooking for that he needs his dishwasher going for 1.5 hours a day?
Only 1.5h is very fast. A modern, water saving domestic dishwater might run for 3 hours It will use less than 10 liters of water and less than 1 kWh of energy.
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Old 13.01.2020, 12:44
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Re: Power costs for a dishwasher

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Is there a tool to calculate these costs?
Yes, you
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Old 13.01.2020, 13:51
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Re: Power costs for a dishwasher

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My parents used to do that. It made me feel super annoyed and ask all the time why they wash dishes when the machine does all the work more efficiently.
Only those dishes with food bits that seem to be stuck on them (or will stick quickly if left in the dishwasher till it's full). I tried not to do that and had to wash them again. Hand wash.

OK, maybe our dishwasher is not very efficient. It's new though...
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Old 13.01.2020, 18:48
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Re: Power costs for a dishwasher

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My parents used to do that. It made me feel super annoyed and ask all the time why they wash dishes when the machine does all the work more efficiently.
I do that too. a) I don't run the dishwasher every day and am not into smells, b) those bits and sticky things don't come off properly (try egg on cutlery and omtatsat loves eating eggs, LOL) in the wash and only clog up the filter. And yes, mine is quite new.

As to the costs I have never bothered to find out as the alternative (wash by hand) is something I hate, hate, hate.
I run mine after 20.00h, so at least it's the "cheap" time.
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Old 13.01.2020, 19:15
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Re: Power costs for a dishwasher

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How much does it cost for the power usage of a normal dishwasher used around 1.5 hrs per day. In Zürich. Is there a tool to calculate these costs?
Never mind about all that stuff about dishwasher costs. Find yourself a wife who'll wash the dishes for you and, while you are at it, make sure she is also capable of darning old socks.
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Old 13.01.2020, 19:41
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Re: Power costs for a dishwasher

202 kWh/yearly use by 1 wash a day for my V Zug dishwasher

202 mal .27 Ruppen ( Zürich power costs) ) gives 54 CHF/year and 3,200 liter water
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Old 13.01.2020, 20:24
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Re: Power costs for a dishwasher

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202 kWh/yearly use by 1 wash a day for my V Zug dishwasher

202 mal .27 Ruppen ( Zürich power costs) ) gives 54 CHF/year and 3,200 liter water
3'200 liter x 4.35 Franken/m^3 = 13.90 CHF/year

ca. 1.85 CHF/m^3 for the fresh water https://www.stadt-zuerich.ch/dib/de/...sserpreis.html
ca. 2.50 CHF/m^3 for the waste water https://www.stadt-zuerich.ch/ted/de/...tpersonen.html (assuming a consumption of 53 m^3 per year https://www.iwb.ch/Themen/40-Jahre-I...en-zaehlt.html )
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