The rates used to calculate your energy bills are made up of both usage rates and supply charges.
The supply charge is the ‘fixed’ daily cost for providing you with electricity or gas.
The usage rate is the ‘variable’ cost based on the amount of energy you use.
For some customers, a demand tariff is also charged. This is a ‘variable’ costs charged to reflect the maximum demand of electricity the customer places on the network during the peak period as defined the Distributor.
Rates are also known as tariffs. View more information on tariff structures.