Britain’s gas storage has fallen to levels equivalent to less than two days of demand, intensifying debate over the country’s energy security as the conflict involving Iran disrupts global supply routes and drives up prices.

Figures from the national transmission system operator show that the country held about six thousand nine hundred and ninety nine gigawatt hours of gas in storage in early March, down from roughly nine thousand one hundred gigawatt hours at the same time last year.

At current consumption rates, that amount represents under two days of demand, far below the theoretical maximum storage capacity of around twelve days.

The decline comes amid heightened instability in global energy markets following the escalation of fighting in the Middle East.

The region plays a central role in global oil and liquefied natural gas trade, particularly through the Strait of Hormuz, a key shipping corridor through which roughly one fifth of the world’s oil and a substantial share of liquefied natural gas supplies pass.

Energy markets have been unsettled by fears that shipping through the corridor could be disrupted or redirected.

In recent days several liquefied natural gas tankers originally heading toward Europe have reportedly diverted to Asian markets, where buyers are competing for cargoes amid uncertainty about supply.

The tight market has pushed wholesale gas prices higher across Europe and placed Britain in a particularly exposed position.

The United Kingdom relies heavily on imports from Norway, liquefied natural gas shipments from global markets and pipeline connections to continental Europe, while domestic North Sea production has gradually declined.

Despite the low storage figure, authorities and network operators emphasise that storage is only one component of Britain’s energy system and does not represent the country’s full supply.

Officials say most gas consumed in Britain is delivered directly through pipelines and daily shipments rather than drawn from long-term storage facilities.

Government representatives stressed that it would be inaccurate to interpret the storage level as meaning Britain has only two days of gas available.

They point to the country’s diversified supply network, which includes production from the UK continental shelf, pipeline imports from Norway, liquefied natural gas terminals and cross-border interconnectors with European energy systems.

Nonetheless, the figures have revived concerns among analysts about the United Kingdom’s relatively limited gas storage capacity compared with many European neighbours, which maintain significantly larger reserves to buffer market shocks.

The crisis has also highlighted how geopolitical events can ripple quickly through energy markets.

Analysts warn that if the Middle East conflict continues to disrupt shipping routes or production facilities, the resulting price surge could eventually translate into higher household energy bills and broader economic pressure in the months ahead.