THE Strait of Hormuz crisis has produced no shortage of market distortions. Perhaps the most striking is the quiet re-emergence of shadow fleet tonnage into legitimate, mainstream energy trades.

For years, the shipping industry’s unofficial dividing line between sanctioned and non-sanctioned business appeared relatively fixed. Vessels involved in moving Iranian crude, LPG or other sanctioned cargoes generally remained within that ecosystem. Once operators entered the shadows, returning to conventional trades was rare.

That assumption is proving increasingly fragile.

Recent weeks have seen several very large gas carriers with a history of transporting Iranian LPG lift cargoes from the UAE and Qatar. None of the vessels are currently sanctioned by Western authorities, but their participation in mainstream trades would have been highly unusual before the conflict over Hormuz transformed the risk calculus for shipowners.

The explanation is straightforward. Iran's repeated threats to shipping and attacks on commercial vessels have not closed the waterway, but they have dramatically altered the appetite of mainstream owners to transit it. Many operators have simply decided that the combination of security risks, insurance uncertainty and crew welfare concerns outweighs the rewards available in the MEG.

The result has been an acute shortage of willing tonnage.

Where mainstream owners retreated, high-risk operators stepped in.

For shadow fleet owners, the gulf presents familiar territory. These are companies accustomed to navigating sanctions, political uncertainty and elevated operational risk. In a market where freight rates surged to exceptional levels and vessel availability tightened sharply, they were uniquely positioned to exploit the opportunity.

More importantly, the trend illustrates a broader evolution of the shadow fleet itself.

According to BRS, growth in the grey tanker fleet is beginning to slow after years of relentless expansion. More than 80% of the fleet is now subject to some form of sanction, while the supply of older vessels suitable for conversion into sanctions-trading assets is becoming increasingly limited and expensive. At the same time, policymakers appear increasingly pragmatic about the role these vessels play in maintaining global oil flows during a period of tight energy markets.

That combination creates an unusual dynamic. Rather than existing as a permanently segregated fleet, parts of the shadow sector are beginning to appear more fluid, moving between sanctioned and mainstream trades when market conditions allow.

The Hormuz crisis has accelerated that trend. Traders desperate for ships, freight markets rewarding risk-taking and governments wary of disrupting MEG exports have together created conditions in which some operators can emerge from the shadows without necessarily abandoning them altogether.

Indeed, evidence that at least some of the vessels involved have subsequently returned to Iranian business highlights the point. For many operators, this is not rehabilitation. It is opportunism.

The long-term future of the shadow fleet remains uncertain, particularly if sanctions regimes evolve or environmental and compliance scrutiny intensifies. But the events of recent months demonstrate a reality that would once have seemed improbable: in a sufficiently disrupted market, the line between mainstream shipping and the shadows can become surprisingly thin.

Richard Meade
Editor-in-chief, Lloyd’s List

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