European wholesale natural gas prices climbed sharply on Wednesday as renewed military tensions between the United States and Iran heightened concerns over the security of global liquefied natural gas (LNG) shipping routes.
Although Europe entered the summer gas storage season with comparatively healthy inventory levels, the growing risk of prolonged disruption to shipping through the Middle East has prompted traders to reprice supply risks, adding a significant geopolitical premium to the market.
Dutch and UK Gas Benchmarks Rally
The Dutch TTF benchmark gas contract rose 3% to 47.9 euros per megawatt-hour (MWh), while the front-month UK natural gas contract climbed 5.4% to 116.59 pence per therm.
The latest gains followed a sharp escalation in the Persian Gulf after reports that Iranian forces targeted commercial vessels passing through the Strait of Hormuz. In response, the United States launched additional military strikes against Iran and withdrew key oil export concessions.
LNG Supply Risks Back in Focus
The Strait of Hormuz is responsible for transporting around 20% of global seaborne LNG supplies and serves as the main export route for major producers including Qatar and the United Arab Emirates. Any disruption to shipping through the waterway could significantly reduce spot LNG availability at a time when European and Asian buyers are competing for cargoes.
Higher gas prices could also have wider economic implications. Natural gas remains a key fuel for electricity generation and an essential feedstock for nitrogen fertiliser production across Europe. A sustained increase in wholesale gas prices therefore has the potential to feed into broader eurozone inflation, adding further challenges for policymakers.

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