European Gas Prices Hit 6-Month High on US-Iran Tensions, LNG Shipping Fears

European natural gas prices surged to their highest point since March on Tuesday, driven by escalating military conflict in the Persian Gulf that threatens to disrupt critical liquefied natural gas (LNG) shipments ahead of the winter heating season. The benchmark Dutch front-month contract rose 1.3% to €71.30 per megawatt-hour (MWh), while the British wholesale gas contract jumped 6.4% to 175.40 pence per therm as traders returned from a public holiday.

Persian Gulf Conflict Threatens Key LNG Chokepoint

The rally is being fueled by a growing geopolitical risk premium following direct military engagements between the United States and Iran. The source of the tension includes U.S. airstrikes against Iranian rocket launchers on Larak Island, which reportedly triggered retaliatory Iranian missile attacks on U.S. air bases in Jordan.

These actions have raised significant concerns about the safety of commercial shipping through the Strait of Hormuz, a vital maritime bottleneck. The strait is a critical transit route for approximately one-fifth of the world's LNG supply, predominantly from major producer Qatar, making any potential closure a major threat to global energy security.

Low Inventories Amplify Supply Concerns

The supply shock from the Middle East is hitting a European market already grappling with low inventories. Data from Gas Infrastructure Europe shows that regional storage facilities are currently filled to about 62% of capacity. This represents a significant deficit, lagging the five-year seasonal average by nearly 17 percentage points.

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Analysts note that higher-than-normal summer power demand, driven by heatwaves, combined with routine maintenance on Norwegian pipelines, has constrained the rate of storage injections. This has left the continent more vulnerable to supply disruptions as it prepares for the winter heating season.

Inflationary Pressures and ECB Outlook

The surge in energy costs, with Brent crude also trading firm above $91 a barrel, is reigniting fears of cost-push inflation across the Eurozone. Preliminary data released Tuesday showed the headline Consumer Price Index (CPI) for the region accelerated to 3.3% year-on-year in August, largely driven by energy prices.

This persistent inflationary pressure reinforces market expectations that the European Central Bank (ECB) will proceed with another 25-basis-point interest rate increase at its upcoming policy meeting on September 10 to keep inflation expectations in check.