Originally Posted by Hyacinthos
Great name! Just to add to the excellent answer from angelabikerbabe, sometimes the difference between winter and summer in terms of usage and payments means that my account goes into debit by the end of the winter and builds up credit in the summer.
Pure Planet will check your account every six months and suggest an adjustment to your direct debit payments if necessary. But if you are worried, you can contact Pure Planet as angelabikerbabe explains.
You are on the standard tariff, Pure Planet only has one tariff. But you make six lower payments in the summer, and six higher ones in the winter.
Hope that helps