European Gas Posts Biggest Weekly Gain Since July as Hormuz Impasse Deepens

European benchmark natural gas prices are on track for their biggest weekly gain since late July, reversing two consecutive weeks of losses. The rally is fueled by escalating geopolitical tensions in the Persian Gulf, where a diplomatic stalemate over the Strait of Hormuz is stoking fears of a significant supply shortage ahead of the winter heating season.

Market Reaction

The Dutch TTF front-month contract, the benchmark for mainland Europe, has surged approximately 9% this week to trade around €59.50 per megawatt-hour. In the United Kingdom, the equivalent near-month contract jumped nearly 10% to about 145 pence per therm, marking its strongest five-day performance since July 20. Both contracts briefly hit multi-week highs earlier in the week, touching levels not seen since July 24 before some profit-taking occurred.

Geopolitical Flashpoint

The price spike follows the collapse of diplomatic negotiations between the United States and Iran over transit rights in the Strait of Hormuz, a critical chokepoint for global energy shipments. Hopes for a temporary agreement faded after the U.S. reportedly demanded compensation from Iran for regional conflicts and threatened a potential maritime blockade. Iran has maintained that it will restrict commercial shipping until economic sanctions are lifted and its frozen assets are released.

This standoff has already sharply curtailed liquefied natural gas (LNG) deliveries from Qatar to European terminals. The disruption is forcing utilities to seek alternative supplies on the spot market during the crucial period for refilling storage facilities.

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Critically Low Inventories

The geopolitical shock comes at a time when Europe's energy security is already precarious. According to data from Gas Infrastructure Europe, underground storage facilities in the European Union are only 59% full, a record low for mid-August.

• Current inventory levels are approximately 12 percentage points below this time last year.
• Stockpiles are also significantly below the five-year seasonal average.

Compounding the slow pace of injections, sustained high summer temperatures across southern and central Europe have boosted electricity demand for air conditioning. This has forced utilities to burn natural gas for power generation rather than injecting it into storage, further tightening the market balance. Traders now anticipate a significant geopolitical risk premium will remain priced into European gas contracts until the situation in the Strait of Hormuz is resolved and storage injection rates accelerate.