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Rosatom starts modernization of its third uranium enrichment plant

TVEL, PUBLISHED 04.12.2025

In Seversk, Tomsk Region, the first block of high-performance 9+ generation gas centrifuges has been launched at the Isotope Separation Plant of the Siberian Chemical Combine (an enterprise of Rosatom's Nuclear Fuel Division).

The technical upgrade of the facility is a part of the modernization program at the enterprises of the sublimate-separation complex of Rosatom's Nuclear Fuel Division, which includes gradual replacement of gas centrifuges of previous generations with up-to-date high-performance machines.

Commissioning of new centrifuges in Seversk is scheduled for 2025-2027.

The Isotope Separation Plant at the Siberian Chemical Combine is already the third of Rosatom's four enterprises engaged in uranium enrichment to introduce gen. 9+ centrifuges.

In 2018, similar projects were launched at the Urals Electrochemical Combine in the Sverdlovsk region and at the Electrochemical Plant in the Krasnoyarsk region.

The modernization of the enrichment facility at Electrochemical Plant in Siberia was successfully completed in 2025.

The next scheduled stage of the program is re-equipment at the Angrask Electrolysis Chemical Plant in the Irkutsk region.

"Rosatom's Fuel Division has been fulfilling a record-high production program for several years in a row, but at at the same time we are steadily implementing large-scale modernization projects at all stages of the nuclear fuel cycle that our enterprises are involved in. Rosatom has already invested heavily in modernizing nuclear fuel fabrication, uranium enrichment and conversion facilities, as well as manufacturing of gas centrifuges for isotope separation. This work will become the foundation for fulfilling the ambitious goals for the production of enriched uranium and nuclear fuel operating nuclear power plants and the ones under construction in Russia and abroad," commented Natalia Nikipelova, President of TVEL JSC (managing company of Rosatom's Fuel Division).


Nuclear Fuel Division of Rosatom State Corporation (managed by TVEL JSC) includes enterprises engaged in fabrication of nuclear fuel, uranium conversion and enrichment, manufacturing of gas centrifuges, as well as R&D and design institutions.

Being the sole supplier of nuclear fuel for Russian NPPs, TVEL provides fuel for more than 70 power reactors in 15 countries worldwide, research reactors in nine countries, as well as propulsion reactors of the Russian nuclear fleet. One out of every six power reactors globally operates on TVEL fuel.

The Fuel Division is the world's largest producer of enriched uranium and stable isotopes. TVEL is also focused on development of new businesses in chemistry, metallurgy, energy storage, 3D printing, digital solutions and decommissioning of nuclear facilities.

Topics: NFC, Rosatom, TVEL


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