The difference in the electric use here is staggering.
How are some so high? We are all electric and about £4 a day. Some are double that with a gas supply on top. Others are only using 3kwh per day.
I really think it is worth investigating your useage and what spikes it. I'm on economy 10 so very conscious of the 14hour peak rate at it's 45p a kWh (soon to be 55p!).
Even with a TV on all day and running fridges, hot water, some cooking we use about 4kwh across those 14 hours (and about 10 at cheaper rate but that is mostly storage heater).
The variations in gas are more understandable but some of the electric use seems sky high.