Aluminium prices spiked 3.8% to $3,315 per tonne after QatarEnergy halted production in the wake of Iranian retaliatory strikes that closed its main LNG plant. The sequence of events followed U.S.-Israeli airstrikes that killed Iran's Supreme Leader Ayatollah Ali Khamenei, with the subsequent regional attacks affecting an area that accounts for roughly 8% of global aluminium output, according to ING Research.
The immediate operational impact centered on Qatalum, a joint venture between Qatar's state aluminium producer and Norsk Hydro. The plant initiated a controlled shutdown, and company statements indicate a full restart could require six to twelve months. Norsk Hydro has issued force majeure notices to customers in response to the halt.
Qatalum's nameplate capacity is 636,000 tonnes. Emirates Global Aluminium said it was drawing on offshore inventories to manage delays in vessel loading as the disruption unfolds.
Vulnerability in the Gulf extends beyond the direct effects of the strikes. ING Research notes that regional smelters typically hold only around three to four weeks of alumina inventories. The Gulf supplies just 3% of global alumina and 1% of global bauxite, leaving producers exposed if shipping through the Strait of Hormuz is constrained.
Europe appears to face the most acute downstream exposure. The Gulf accounts for approximately 30% of European aluminium imports, predominantly material from the UAE, and primary aluminium availability had been tight even before the recent escalation. The United States also has exposure: the Gulf supplies over 20% of U.S. aluminium imports, although tariff-inflated Midwest premiums are limiting immediate upside in that market.
The disruption is arriving against a market already projected to be in deficit. ING Research had signaled a supply shortfall of about 600,000 tonnes for 2026 before considering any additional Middle East risk. Factors cited as weighing on supply include China's capacity cap, trade dislocations and the imminent closure of the Mozal smelter.
Market activity has already reacted. On Tuesday, orders for LME warehouse metal rose to their highest levels since September, concentrated on Malaysian material.
Analysts identify demand as the principal downside risk. A prolonged conflict could dampen industrial activity and cause demand destruction; however, ING Research judged the balance of risks to be skewed to the upside if disruptions around the Strait of Hormuz persist.
Whether the recent price move is a short-lived spike or a more permanent structural shift will depend largely on how long shipping through the strait remains impaired.
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