The world’s top oil exporter has said it wants to use the metal to diversify its energy mix, but uranium enrichment also opens up the possibility of military uses of the material, the issue at the heart of Western and regional concerns over Iran’s atomic work.

“We are proceeding with it cautiously … we are experimenting with two nuclear reactors,” Prince Abdulaziz bin Salman said, referring to a plan to issue a tender for the Gulf Arab state’s first two nuclear power reactors.

He told an energy conference in Abu Dhabi that ultimately the kingdom wanted to go ahead with the full cycle of the nuclear program, including the production and enrichment of uranium for fuel.