pc = £3 a day

How much you paying per kwh?

I guess thats drawing roughly 700w, I get charged 10p per kWh (which is cheap) so it would be about £1.70 a day + general other house usage of about 70-100p per day. It sounds about right.
 
Ivy hardly uses anything, 77w so that's like leaving a lightbulb on. I'd stop those cards and just fold smp on the cpu. What I do, no need for that cost in electricity, not to mention the cost to the environment :)
 
You either have a very expensive electricity supplier or you are working it out wrong, remember to calculate it on the 2nd tier per unit rate, not the first, the first price per <whatever> units is generally meaningless as you will always go over it whether you fold or not. I pay 10.8p per KW/h on the second tier, in order to use £3 worth in 24Hrs I would have to draw 1157W continuously from the wall. That's just not possible with an i5 Ivy and 2 gtx 470s.
 
£3 per day definately does not sound right i run 5 x 480s and am on a key meter that racks up 2.77 ish per day and that includes household electrics .... thats a thought could start growing exotic plants indoors year round :confused::rolleyes::D
 
£3 / 24hrs = 12.5p inc VAT

If you average 850W/hr that sounds fine for a prepay meter as they charge around 14-15p/kWhr in most places.

2 x 470 uses a large chunk of this number.
 
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Do you mean the kind of prepay meter where you take the key down to the corner shop to add more money? The rates on those are significantly higher than a normal meter and direct debit.

Renting a house last year I asked the landlord if we could put in a normal meter, she agreed and BG did it for free, then we switched suppliers immediately :D
 
Yeah for folding you definitely want to get yourself on a decent tarrif if you can. I had a great one with npower signonline 21. The first x amount was quite expensive for leccy but after that it dropped right down to 8p I think it was. Gas wasn't the cheapest but I rarely needed to put the central heating on!
 
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