Adelaide electricity bills can rise with air-conditioner use, electric hot-water systems, seasonal demand, and higher daily supply or usage rates. Check your bill for your tariff, kilowatt-hour usage and comparison with the same period last year, then use the Australian Energy Regulator’s Energy Made Easy website to compare available South Australian plans. You may also be eligible for an energy concession or payment support, depending on your circumstances; check the South Australian Government’s official information. Contact your retailer if the bill seems wrong or you need a payment arrangement.