I've just realized that my parents are paying an extortionate amount of money on electricity bills. They are currently with British Gas, and both the farmhouse and farm buildings are on the business tariff, but on separate meters. Does anybody know whether it is possible to have the house on a domestic tariff to see if that would make it cheaper? Also, I'd like to find them a different supplier, but am not sure which one is any good. Does anyone have any recommendations, please? Thanks in advance.