A Sydney power bill can vary with household usage, home size, appliances, weather, tariff type and the retailer’s rates, so there is no single typical amount. Check the bill’s usage in kilowatt-hours, daily supply charge and billing dates, then compare your plan with offers on the Australian Government’s Energy Made Easy website. Simple steps such as improving heating and cooling efficiency, shifting some usage to cheaper time-of-use periods and checking for billing errors may help. If you are struggling to pay, contact your retailer promptly about a payment plan or ask whether you may qualify for NSW support such as EAPA; eligibility is assessed by the relevant provider.