A key unit at Iran’s South Pars gas field, damaged during Israel’s first strike on the country’s energy infrastructure, has resumed operations just 10 days after the attack.

A damaged section of the South Pars refinery’s Phase 14 has returned to service, Iranian state-run agency Nour News reported on Thursday. The facility had been struck during Israel’s 13 June air offensive, which marked the first direct attack on Iran’s vital oil and gas infrastructure.

Located offshore in the southern province of Bushehr, South Pars is the largest gas field in the world and provides the bulk of Iran’s natural gas supply. Despite the strike, overall gas production was not disrupted, and the damaged unit was repaired in approximately 10 days, according to the report.

The Israeli strike ignited a fire in one of the four units of Phase 14 on 14 June, which was later brought under control. The extent of the damage was not disclosed, but the quick repair suggests the facility’s core systems remained largely intact.

Iran ranks as the third-largest gas producer globally, behind only the United States and Russia. The temporary damage at South Pars did not affect exports or domestic distribution, Iranian officials said.

The attack was part of a broader Israeli campaign launched on 13 June that targeted military commanders, nuclear scientists, and critical infrastructure, claiming to prevent Iran from developing a nuclear weapon.

The 12-day aerial conflict ended with a ceasefire announced by U.S. President Donald Trump on Monday (23 June). The truce followed days of escalating strikes between Israel and Iran, raising concerns of a broader regional escalation.

South Pars’ swift recovery signals both the field’s strategic importance and Iran’s determination to keep its energy infrastructure operational amid conflict.

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