• Diesel ceiling rose 6.7% to US$2.08 per litre.

  • E20 blend price increased 3.5% to US$2.06 per litre.

  • Brent crude moved above US$100 during renewed supply-route disruption.

Harare  — The Zimbabwe Energy Regulatory Authority raised the maximum diesel price to US$2.08 per litre from US$1.95, effective 17 September, placing the regulated fuel price back above the US$2 mark reached during the first phase of the Middle East supply shock.

The E20 blend ceiling rose to US$2.06 per litre from US$1.99. ZERA set the ZiG prices at ZiG55.57 for diesel and ZiG54.97 for E20. Fuel retailers may charge below the published ceilings where their trading margins permit.

Diesel first crossed US$2 per litre in mid-March after ZERA raised the cap from US$1.77 to US$2.05. The price reached US$2.11 in April, eased to US$1.87 in July and held at US$1.95 from late July through 9 September. The latest adjustment places diesel US$0.56 per litre, or 37%, above the US$1.52 recorded before the Iran war lifted global energy costs in early March.

Global crude and refined-product markets have entered another period of strain. Brent crude traded near US$84 per barrel in early August, rose above US$95 in early September and moved above US$100 as attacks and security threats restricted oil flows through the Strait of Hormuz. Damage to Saudi Arabia’s East-West pipeline has added pressure to a route used to bypass the strait.

Diesel has faced a heavier burden than crude alone. Refiners, shipping companies and fuel traders are charging for tighter availability of middle distillates, longer voyage patterns, elevated marine insurance and supply-route uncertainty. Zimbabwe imports refined petroleum products in US dollars, leaving local diesel prices exposed to the replacement cost of the next cargo delivered into the region.

Southern African markets carry the same external pressure through their import systems. South Africa cut its fuel levy during the first Iran-war price surge to cushion households and freight operators. Zimbabwe’s inland position adds a second cost layer through port handling, storage, cross-border transport and road distribution before fuel reaches service stations, farms, mines and factories.

ZERA’s 17 September adjustment carries a direct operating-cost consequence because the US-dollar diesel price itself has increased. The regulator’s 9 September notice set diesel at US$1.95 and ZiG53.06. The current notice sets it at US$2.08 and ZiG55.57. The increase therefore cannot be explained by a ZiG conversion alone.

Freight operators are likely to recalculate route rates, haulage contracts and delivery charges from the new ceiling. Agriculture enters the planting season with higher diesel costs for land preparation, irrigation, harvesting and grain transport. Mining companies with mobile fleets, generators and contractor logistics face the same pressure. Retailers and manufacturers will assess the pass-through risk through distribution and input supply contracts.

ZERA said Government interventions remain in place to protect consumers from global geopolitical developments. The public notice does not disclose the composition of the US$2.08 price ceiling. Market participants cannot currently separate the landed product cost, shipping and insurance charges, taxes and levies, ethanol component, inland logistics cost and dealer margin.

A published fuel-cost schedule would turn the monthly adjustment into a measurable market process. ZERA could show the external cost movement behind each review, state the value of any Government support and establish the local charges added to imported product. Businesses would then have a clearer basis for pricing transport, production and distribution contracts.

The next price review will test whether the September increase marks a new period of sustained diesel pressure or a temporary response to supply-route disruption. Brent prices, Saudi export-route repairs, shipping access through Hormuz and ZERA’s disclosure of the domestic fuel-cost build-up will determine the scale of Zimbabwe’s next fuel-cost exposure.

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