Russia has signed a deal to build two more nuclear reactors in Iran to be possibly followed by another six.

Nuclear officials from the two countries signed a contract Tuesday for building two reactors at Iran’s first Russia-built nuclear plant in Bushehr.

Sergei Kiriyenko, the head of Russia’s Rosatom state corporation, and Iran’s nuclear chief Ali Akbar Salehi, also signed a protocol envisaging possible construction of another six reactors: two more in Bushehr and another four in an undetermined location.

Rosatom said in a statement that the construction of the new reactors will be monitored by the International Atomic Energy Agency. As in the case of Bushehr’s first reactor that became operational in 2013, Russia will supply uranium fuel for the reactors and then take it back for reprocessing.

(AP)