An escalation, where, unlike the US attack upon military but not productive oil infrastructure of Kharg Island, Iran suffered a major destructive natural gas infrastructure attack, by Israel.

The Guardian - 18 Mar 2026 - today

Iran threatens Gulf energy facilities after Israeli attack on its largest gasfield

Revolutionary Guards say they will strike infrastructure in Saudi Arabia, UAE and Qatar after South Pars field hit

see also AP coverage

The Iran war has dealt a massive energy shock to the global economy by choking off exports of crude oil and liquefied natural gas through the Strait of Hormuz. Iran has also attacked key export facilities in its Gulf neighbors, putting more upward pressure on energy prices, even though Gulf neighbors Saudi Arabia, Qatar, Oman, Iraq and the United Arab Emirates are not taking part in the US-Israeli attacks on Iran.

In the case of South Pars, the energy shock would appear to have a different target: not Iran’s exports, but its biggest source of domestic energy supplies in a country that sometimes struggles to product enough electricity.

Here are key things to know about the South Pars field and the impact of the attack:

Iran uses a lot of natural gas, and 80% comes from South Pars

Iran relies heavily on gas to produce electricity and heat homes. It is the fourth-largest consumer of natural gas in the world, behind the US, China and Russia, according to the Center on Global Energy Policy at Columbia University, even though its economy is much smaller, In contrast to other Middle East countries, it uses gas for heating due to its cold climate and much of that use is subsidized, which discourages efficient use. South Pars is the main source. 

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