IAEA Confirms 73 Tonnes of Undeclared Uranium at Assad's Hidden Syrian Reactor Site
The IAEA's disclosure of a covert nuclear programme at Deir el-Zour adds a proliferation complication to Syria's already fragile energy reconstruction.
The International Atomic Energy Agency reported on Wednesday (2026-08-26) that inspectors had found 73 tonnes (80.5 US tons) of undeclared natural uranium metal at a newly disclosed site in Deir el-Zour, eastern Syria. The material was part of a reactor construction programme run under Bashar al-Assad's government. It contravenes Syria's NPT Safeguards Agreement obligations. All 73 tonnes are now under IAEA containment and surveillance.6
The scale is significant. Seventy-three tonnes of natural uranium metal does not result from oversight or poor record-keeping. It suggests a programme of meaningful ambition, conducted by a government that signed the Non-Proliferation Treaty and said nothing about it.6
Assad's 24-year rule ended in the week of May 18 (2026-05-18), when he fled.2 The new Syrian authorities apparently made the Deir el-Zour site a formal declaration, which prompted the IAEA inspection and the August report. But the inspection outcome raises questions about what else may have been built, acquired, or concealed during the war years and what the new government has inherited.
Syria's conventional energy picture is chaotic enough without a covert nuclear legacy. Before the civil war began in March 2011, Syria was producing around 400,000 barrels per day of crude oil from proved reserves of 2.5 billion barrels, and Europe was importing roughly $3 billion of Syrian oil annually — much of it the heavy, sour Souedie grade processed by continental refineries. That trade has not resumed.5
Gas is the immediate bottleneck. Production stood at between 21.9 and 30 million cubic metres per day before the war and has since fallen to an estimated 7 to 7.6 mcm/d, less than a third of the approximately 18 mcm/d needed to run the national grid adequately. Syria is covering the gap with imported gas from Qatar and Azerbaijan.5
Western companies are moving in regardless. The Syrian Petroleum Company signed an agreement in late June (week of 2026-06-22) with ConocoPhillips and Britain's Novaterra ConocoPhillips to develop new gas fields and expand output at existing sites, part of what analysts describe as Washington's and London's long-game positioning inside Syria's post-war energy sector.5
The Deir el-Zour site sits in the same eastern region where much of Syria's remaining hydrocarbon infrastructure is concentrated. Investors backing the SPC development programme will need to weigh how quickly and completely the new Syrian government satisfies IAEA verification requirements. International capital following Western governments into Syria's gas sector will be sensitive to the country's nuclear standing.6,5
Elsewhere, nuclear energy is expanding through established channels. Montel reported that the European Commission launched a state-aid investigation on Tuesday (2026-05-19) into France's EUR 73 billion plan to build six new reactors with a combined 10 GW capacity. Switzerland's parliament voted on Friday (2026-06-19) to lift its nine-year ban on new nuclear construction, Montel said. The IAEA expects a 30% rise in the number of countries operating nuclear plants by 2035.1,4,3
Syria under Assad was apparently trying to join that expansion outside the treaty framework. What inspectors find as they work through the full scope of the Deir el-Zour programme will shape how quickly Syria can draw serious energy investment from the same Western governments now competing for stakes in its gas fields.6