International fuel benchmarks fall over the week to 30 September
ACCC reported Brent at US$138 a barrel and its diesel benchmark at 157 Australian cents per litre.
Event / data period: 2026-09-30
Published: · Updated:

In its 2 October report, the ACCC put the weekly average for Brent crude at US$138 a barrel for the week ending 30 September, down US$2 from the prior week. The Gasoil 10 ppm diesel benchmark was 157 Australian cents per litre, a 7-cent decline.
These are international weekly benchmarks, not retail pump prices. The ACCC calculation draws on Argus Media and Reserve Bank of Australia data; the weekly average uses daily prices from the latest seven weekdays.
Data
International fuel benchmarks
ACCC weekly average international benchmark prices for the week ending 30 September.
- Brent crude, USD/barrel
- 138 USD per barrel
- 2026-09-30 · Observed
- Gasoil 10 ppm diesel benchmark
- 157 Australian cents per litre
- 2026-09-30 · Observed
Methodology
Average of daily prices over seven weekdays; calculated by ACCC from Argus Media and RBA data.
Updated:
Subjects and places
Subject proposals
- Oil and gasSuggested
- Subject suggested from the title or summary: Brent, dieselwww.accc.gov.au ↗
Geographic references
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- Australia · Place role: Coverage · Place type: Country or area · Location precision: RegionalEvidence
- Explicit preserved editorial country/region; no city or national centroid inferredwww.accc.gov.au ↗