Rosatom Machine Builders Made First RITM-400 Reactor Unit for Rossiya Nuclear Icebreaker

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Rosatom, PUBLISHED 26.05.2025

ZiO-Podolsk (Rosatom's Machine-Building Division) finished manufacturing the first RITM-400 reactor unit for Rossiya nuclear icebreaker, which will be the most powerful in the world.

The command to finish the work on the first RITM-400 was given by Valentina Matvienko, Chair of the Federation Council of the Federal Assembly of the Russian Federation, and Alexey Likhachev, Rosatom Director General.

The ceremony was broadcast in the Federation Council of the Federal Assembly of the Russian Federation, where Rosatom's exposition dedicated to the 80th anniversary of the nuclear industry opened on May 20.

"The completion of the RITM-400 reactor is a significant event for the icebreaker fleet, for Rosatom and for our entire country. The reactor units of the next-generation Rossiya nuclear icebreaker will allow it to break over 4 meters thick ice. We decided to name each of the two reactors, which will make the ship extraordinary powerful, after the Russian legendary heroes, Ilya Muromets and Dobrynya Nikitich. They performed feats in the name of Russia, while the new reactors named after them will help Rossiya icebreaker overcome the special ice conditions of the Arctic," Alexey Likhachev noted during the ceremony.

"Today we have completed the first RITM-400 for Rossiya icebreaker; in a couple of months we will complete the second one. Both units will be sent to the shipyard for installation on the Rossiya nuclear ship and will be a gift from Rosatom's machine builders to mark the 80th anniversary of the nuclear industry. The completion of this project opens up new opportunities in developing the Northern Sea Route," added Igor Kotov, Head of Rosatom's Machine Building Division.

Topics: Nuclear ships, Russia

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