Monthly fuel price reports
What happened to wholesale petrol and diesel prices each month, city by city, and why. Written at the start of each month from the Australian Institute of Petroleum's daily figures.
Full excise returns in August 2026, then prices ease
Full excise returned on 3 August and wholesale petrol jumped 20c a litre overnight, then eased. Take the tax out and fuel actually got slightly cheaper over the month.
Petrol rose 35c a litre in September 2026
Wholesale petrol rose 35c a litre in September as Brent went back above US$100. Diesel peaked on 22 September and eased; petrol did not. City by city, and what it costs a household.