On the first day the electricity meter reading displayed £0.93.after three days it was checked again abd gave off the reading £3.20 my average use per month is £30.Everything that has used the main electricity over the past three days have been: laptops(900watts), tablet(500watts), cooker(1000+watts), microwave(900watts), phones(not sure), dvd player(1000+watts) , lamps(not sure), video games and my TV(1000+watts).