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There are no peak/off peak times currently available in South Australia, and all general electricity consumption is charged under a 'single rate tariff'. This essentially means that you're charged at the same rate no matter what time of day you use power. If you have an electric hot water system, you may notice a 'Controlled Load' listed in your account, which is applicable to customers who have separately meter consumption for their hot water. The hours of application are determined by your distributor.