Russia is building the world's most powerful nuclear icebreaker with 150 MW and 2 reactors while the US has not delivered a new heavy one since 1999.

Russia is building the world’s most powerful nuclear icebreaker with 150 MW and 2 reactors while the US has not delivered a new heavy one since 1999.

Written by Douglas Avila

Published on 11/05/2026 at 06:32

Updated on 11/05/2026 at 06:33

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In strategic terms, Russia is building at the Zvezda shipyard, in Bolshoy Kamen, in the Russian Far East, what will be the world’s most powerful nuclear icebreaker: Project 10510 LIDER, with 150 MW of power and 2 RITM-400 nuclear reactors.

Delivery is scheduled for 2030, according to statements by Vladimir Putin and Rosatom in January 2026.

According to Army Recognition, the ship will be 209 meters long, 47.7 meters wide, and have a displacement of approximately 71,000 tons.

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According to the builder’s data, the LIDER will be capable of continuously breaking ice up to 4.3 meters thick.

In comparison, the United States only has two heavy icebreakers in operation: the Polar Star, launched in 1976, and the Healy, in 1999.

Neither of them is nuclear. Therefore, the Polar Security Cutter program, announced to fill the gap, has not yet

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