The US-Israeli war on Iran will have a profound impact on the global energy markets. It has already sent the price of the benchmark Brent crude oil soaring to nearly $120 per barrel, close to its highest point of $147 recorded in July 2008.
In 2022, after Russia’s invasion of Ukraine, Brent crude also spiked, reaching $139 per barrel in March, before stabilising at roughly pre-war rates the following year. The price of natural gas also registered a peak in 2022, and so it has this month, as a result of the attacks on Iran and the closure of the Strait of Hormuz.
Some may point to the energy shock of the Russia-Ukraine war and argue that the Iran war will follow the same pattern: a temporary shock and eventual market normalisation. But that is unlikely to be the case. Yes, oil and gas prices will eventually stabilise, but that would come at a much higher economic cost for the region and the world.
The 2022 energy shock was primarily driven by the sanctions and price caps that European countries and the United States imposed on Russia. This pushed large volumes of oil into alternative trade routes and cut off most of the Russian pipeline gas supply to Europe. This resulted in the rerouting of oil and gas flows and the coordinated release of oil reserves to mitigate price spikes.
The war and the sanctions, however, did not change Russia’s position in the global market: it remained one of the largest oil and gas producers. It continued to sell its hydrocarbons internationally, including to European countries, albeit through intermediaries.
By contrast, the 2026 US–Iran war has resulted in a physical chokepoint, taking offline part of the supply of oil and gas due to the closure of the Strait of Hormuz. Tanker traffic disruptions have forced Gulf producers to curtail output as they have run out of storage capacity.
In addition, Iranian strikes on gas and oil infrastructure have resulted in some damage and the shutdown of many facilities as a precaution. These infrastructure attacks have amplified uncertainty, increasing risk premiums, and removing some production capacity from the market.
The International Energy Agency (IEA) assesses that the current episode is the largest supply disruption in the history of the global oil market, with flows through Hormuz collapsing from 20 million barrels per day to a trickle and Gulf production cuts of at least 10 million barrels per day.
In 2022, the release of 180 million barrels of oil helped manage the energy price shock as it somewhat alleviated fears of shortages. However, this month’s decision by the IEA to release 400 million barrels of oil is unlikely to have the same effect because it is not addressing the root problem: the physical outage.
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