- Reaction score
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Yes the half hour readings allow the supplier to work out when you use most electricity, morning shower, evening cooking etc. the variable tariff allows them to set the high usage times to a peak rate and the low use times such as at night or when you are at work to a low rate.
Ok, from a variable tariff point of view I understand that, but they already know when the usage of electricity goes up for households and they wouldn't be able to do individual tariffs per household as that would be discrimination.