Jb
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Dishwasher economy settingsWe have finally given in and now have a dishwasher (part of our new kitchen so it seemed a good time to do so). It has an economy setting which runs at 50°C rather than 60°C and so saves .25KWh which is good but it uses more water, 15l rather than 11l. So which is greener?
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Flyguy
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It depends on where you are and how 'sustainable' your water is. Living in Sheffield, my water comes straight off the rainy Peaks and is not in short supply.
As such I would trade off a few liters of water for an electricity saving.
If you lived in an arid area with cheep electricity then you might go the other way....
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Nick
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Indeed. My water is free, my electricity is not. A pertinent question might be, which one gets the dishes clean? Our quick cycle doesn't, making it useless, although, in isolation, very green.
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Nell Merionwen
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you can't get a dishwasher greener than mine.....
It doesn't work 
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RichardW
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If you did 250 washes you would use an extra 1m3 (1000L). Round here that would cost about £1.50.
The saved elec would be 62.5kwh which on E7 would be about £2.50 & on normal rate about £7.50.
Which is "greener" is much harder to work out.
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