Urgent question: last cooling off period day

tog22

If anyone could clear this up for me, I'd be very grateful. I've just initiated a switch to the EDF Fix for 2012 via moneysupermarket (hopefully meaning £30 cashback ). But I've now seen Martin's email about the NPower GoFix8 and am wondering whether to switch to this - I think I'm in the final day of my cooling off period.

Confusingly moneysupermarket still shows the EDF Fix for 2012 via as £53 cheaper based on my usage (1600 electric KWh/year; 8000 gas KWh/year). But (a) I don't know if this includes the £100 voucher and (b) when I compare the KWh/standing charges EDF have just sent me to those NPower's site give me when I get a quote, NPower's are cheapest on all counts!

How can this be? Is moneysupermarket not as reliable as I thought?!

Thanks in advance for your answers - I have tried figuring it out myself as you can see from the notes/figures below (though I'm worried these'll lose people, and it's my job to calculate).

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If anyone's interested here are the figures:

EDF Fix for 2012 we signed up for has for midlands (same price all areas for lec standing charge and gas):
E SC: 13.8 KWh: 12.79
G SC: 20.71 KWh: 3.521
94% discount for online DD may apply to these charges; also £8.40 discount but thats nothing

Npower quote from their site is:

Neil_Jones

94% discount is not right. 6% applies on that tariff.

But anyway:

1600 units of electricity @ 10.08p/kWh = £161.28 per year.
8000 units of gas @ 3.486p/kWh = £278.88 per year.

Standing Charges: £146.79 + £138.71 = £285.50.

£285.50 + £161.28 + £278.88 = £725.66 - £100 DD from Npower = £625.66

The £100 on Npower you only get if you stay with them for 12 months.

With Fix for 2012:

1600 units of Electricity @ 12.79 p/kWh = £204.64.
8000 units of Gas @ 3.521 p/kWh = £281.68.

Standing charges: £75.59 for gas, £50.37 for electricity = £125.96.

Sub: £204.64 + £281.68 + £125.96 = £612.28

Minus discount, which for this tariff assuming Direct Debit means 6% off and £8.40 for dual fuel: -£44.64.

Total annual bill: £567.64.

tog22

Thanks, odd that my calculations came out differently but I think I wasn't calculating the standing charge right. I'll stick with EDF.