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How much does 400 watts cost an hour?
galloways
Posts: 37 Forumite
Hi i have a christmas tree and the it says on a tag next to the plug the whole chain will not exceed 400 watts just wondering how much it cost an hour i'm with sothern electric if that helps
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Comments
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about 5p mate0
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It uses 0.4kW per hour, so based on the UK average of 15p per kWh then 0.4 x 15p = 6p per hour. A little more if you pay more than 15p per unit of electricity, a little less if you pay less per unit. (20p per unit=8p, 10p per unit=4p)0
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400 watts seems to be a bit on the high side for Christmas tree lights. I can light my whole living room with much less than that.I can afford anything that I want.
Just so long as I don't want much.0 -
Surprising how much electricity tree lights/rope lights actually use. Lots and lots and lots of little 1W bubs, soon adds up....0
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Those big lights that sit on walls outside can use lots of energy. I have a couple only because theyw ere selling them cheap and they are well over 100watts each. I like to buy led bulbs now so I put those high energy lighst on timers for a coupel of hours a day0
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