Iran Plans to Upgrade Uranium Work at Natanz Nuclear Plant

Iran inform IAEA that it plans to use the new centrifuges - a model called IR2m - at a unit in the Natanz plant where Iran is enriching uranium to a fissile concentration of up to five percent.

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Iran has informed the United Nations nuclear agency that it plans to use more modern uranium enrichment centrifuges at its Natanz plant, according to a document made available to Reuters on Thursday.

Such a step could enable Iran to refine uranium faster than it can at the moment and increase concerns in Western states and Israel about the goals of Tehran's nuclear program, which they fear has military aims. Iran says its work is peaceful.

It would also underline Iran's defiance in the face of international demands to suspend all enrichment activities, enshrined in a series of UN Security Council resolutions, and may further complicate diplomacy to resolve the dispute.

A diplomat who declined to be identified, said Iran had informed the International Atomic Energy Agency (IAEA), the Vienna-based UN nuclear watchdog, of the plan in a letter dated January 23, 2013.

The letter said that Iran would use the new centrifuges - a model called IR2m - at a unit in the Natanz plant where Iran is enriching uranium to a fissile concentration of up to five percent, according to an IAEA communication to member states seen by Reuters.

"The Secretariat of the Agency received a letter from the Atomic Energy Organization of Iran (AEOI) dated 23 January 2013 informing the Agency that 'centrifuge machines type IR2m will be used in Unit A-22' at the Fuel Enrichment Plant (FEP) at Natanz," the IAEA communication said.

The IAEA said it had asked Iran, in a letter dated Jan. 29, to provide technical and other information about the plans. A unit can house more than 3,000 centrifuges.

The UN agency, whose mission it is to prevent the spread of nuclear weapons in the world, regularly inspects Natanz and other Iranian nuclear sites.

Nuclear expert Mark Fitzpatrick, of the International Institute for Strategic Studies think-tank, said that employing the new centrifuges at Natanz could be "a most unfortunate game changer," depending on the numbers.

"If Iran introduces them in a large scale, the timeline for being able to produce fissile material for nuclear material would be significantly reduced," Fitzpatrick said.

Iran says it refines uranium to power a planned network of nuclear power stations. But the West fears that the material, if enriched much further to 90 percent, could be used for weapons.

Iran says its nuclear program has only peaceful goals.

The Islamic republic has for years been trying to develop more centrifuges that are more efficient than the breakdown-prone 1970s IR-1 models it now uses for production.

In this April 8, 2008 file photo provided by the Iranian President's Office, Ahmadinejad visits the Natanz Uranium Enrichment Facility some 322 km south of Tehran.Credit: AP

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