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Iran Conflict 2026
24MAY

Israel strikes Tehran's Shahran refinery

3 min read
14:49UTC

Israeli bombs hit the Shahran oil refinery and storage sites across Tehran overnight — the first strikes on either combatant's energy infrastructure, breaking a tacit restraint observed in Middle East conflicts for decades.

ConflictDeveloping
Key takeaway

Crossing to domestic refinery targets simultaneously transforms the conflict into a war of economic attrition and removes the tacit mutual restraint that historically constrained Gulf belligerents.

Israeli forces struck the Shahran oil refinery and oil storage sites across Tehran and Alborz provinces overnight. Video showed fires across the capital skyline. Every prior Israeli strike in this conflict had targeted military infrastructure — IRGC bases, missile launchers, naval vessels, air defences, the IRGC's primary military academy , Iran's space command . The escalation pattern had moved from military targets to diplomatic sites to the Shaybah oilfield on the Arabian side of the Gulf . Overnight, it reached the combatants' own refineries.

The distinction matters because of what refineries are. Military targets can be rebuilt or substituted through doctrinal adaptation — Iran's Mosaic Defence Doctrine demonstrated exactly this when decentralised provincial units sustained offensive operations after central command infrastructure was destroyed . Refineries cannot be substituted. Iran's remaining refining capacity produces the petrol, diesel, and kerosene its population of 88 million depends on for transport, heating, and agriculture. Destroy enough of it, and Iran cannot manufacture domestic fuel even if the war ends tomorrow. Reconstruction of a modern refinery takes three to five years under optimal conditions — no sanctions, no war, full access to foreign engineering expertise. Iran has none of these.

Middle East conflicts have historically avoided Energy infrastructure through tacit mutual restraint. During the Iran-Iraq War's "Tanker War" phase of 1984–88, both sides attacked each other's oil exports but largely spared domestic refining capacity. The logic was self-preservation: what one side does to the other's refineries, the other can do in return. NPR's Friday analysis noted that nine days into this conflict, that restraint is finished.

The strike compounds an energy crisis already without modern precedent. Brent Crude posted a 35.63% weekly gain — the largest since US crude futures began trading in 1983 . Qatar's energy minister warned of $150 per barrel if the Strait of Hormuz remains closed . With commercial shipping insurance withdrawn, major container lines suspended , and refining infrastructure now under direct attack, the disruption has moved from restricting oil flows to destroying the capacity to process them.

Deep Analysis

In plain English

An oil refinery turns crude oil into usable fuels — petrol, diesel, aviation fuel, heating oil. Destroying a refinery means a country cannot use its own oil even if production continues. Israel has just struck the facilities that convert Iran's crude into fuel its population uses daily; Iran responded in kind at Israel's main refinery. This differs categorically from striking a military base: the damage to civilian energy supply is immediate and long-lasting, and rebuilding refinery capacity takes years, not months.

Deep Analysis
Synthesis

Both sides crossed the refinery threshold within hours of each other rather than through gradual escalation — indicating neither conducted a deliberate cost-benefit assessment before acting; each was reacting to the other's move. This reactive simultaneity removed the pause that historically allowed mutual restraint to reassert itself, and it is qualitatively different from sequential escalation with decision intervals.

Root Causes

Israel's strategic incentive to strike refineries extends beyond immediate economic damage: degrading Iran's domestic fuel supply strains the logistics of IRGC proxy networks across the region, which depend on Iranian-subsidised fuel. A refinery campaign is simultaneously an economic warfare and a proxy-disruption strategy.

Escalation

The body traces the escalation sequence but does not assess structural vulnerability asymmetry. Iran operates roughly ten refineries with combined capacity ~2.3–2.5 million bpd; Israel has two. Israel's smaller, more concentrated refining base makes it structurally more vulnerable to attrition — sustained accurate Iranian strikes would push Israel to critical fuel shortage far sooner than equivalent Israeli strikes would produce the same effect in Iran.

What could happen next?
  • Precedent

    Domestic oil refining facilities are now established as legitimate targets in this conflict; both sides will treat this threshold as crossed and plan future strikes against refining networks without the restraint that governed earlier phases.

    Immediate · Assessed
  • Risk

    Fuel rationing in Iran, if refinery damage is sustained, could accelerate domestic unrest — but the Iran-Iraq War precedent suggests populations under external attack often consolidate behind the state rather than against it, at least in the short term.

    Short term · Suggested
  • Consequence

    Global re-insurance underwriters will impose blanket war-risk exclusions on Gulf energy infrastructure, raising operating costs for all regional oil exporters regardless of their direct involvement in the conflict.

    Short term · Assessed
  • Risk

    Israel's more concentrated refining base — two facilities versus Iran's ten — means it reaches critical domestic fuel shortage sooner than Iran under equivalent attrition, creating a structural disadvantage in a sustained energy-infrastructure campaign.

    Short term · Assessed
First Reported In

Update #28 · Iran and Israel swap refinery strikes

Al Jazeera· 8 Mar 2026
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Different Perspectives
Lloyd's of London
Lloyd's of London
The Joint War Committee left Hormuz war-risk premiums at $10-14 million per voyage on 25 May, declining to move on Brent's 5% fall. The JWC's protocol requires a UN Security Council resolution or bilateral government certification letter before de-listing, and neither has arrived: a verbal understanding does not satisfy the formal condition the reinsurance market's treaty terms require.
Gulf Arab producers
Gulf Arab producers
Saudi Arabia and UAE depend on Hormuz for their own crude exports; Aramco CEO Nasser has warned no oil market recovery arrives until 2027 if the blockade continues past mid-June. Monday's $98.96 Brent settlement shortens nothing for Gulf producers without a signed instrument and a Pentagon mine-clearance timeline that runs up to six months post-ceasefire.
Qatar
Qatar
Qatar holds $12bn of frozen Iranian assets at the centre of the sequencing dispute but cannot release them without explicit US Treasury authorisation, given the original freeze was a US instrument. As the asset-holding state, Qatar's leverage is real but passive: it is the escrow holder, not the decision-maker, and any resolution requires US Treasury sign-off that Trump has withheld.
Pakistan
Pakistan
With both Prime Minister Sharif and army chief Munir simultaneously in Beijing on 25 May, Pakistan has for the first time consolidated its civilian and military mediation tracks under China's roof. Munir's direct Tehran-to-Beijing flight signals that the security and financial threads of the sequencing problem are now being worked in parallel rather than sequentially.
China
China
Beijing hosted Pakistan's principal mediators and Iran's China envoy Ghalibaf simultaneously on 25 May while its banking regulator capped new state-bank lending to five sanctioned refiners. China is simultaneously the most credible third-party underwriter of the $12bn sequencing and the state whose institutions face live OFAC secondary-sanctions exposure if the deadlock persists through GL V's expiry.
United States
United States
Trump posted on 24 May that the blockade holds until a deal is certified and signed, ruling out the informal MOU structure both sides had been building. The 'certified, and signed' condition is the first operational bar Trump has attached in 87 days, but it arrived without an executive instrument, maintaining the gap between posted ultimatum and signed US policy.