The world's northernmost nuclear power plant is a massive, mobile, floating industrial barge

Countries & Cities · Published 15 October 2026 Swipe more like this →

In short: Anchored in the remote harbour of Pevek, the Akademik Lomonosov is a non-self-propelled power barge providing heat and electricity to Russia's Far East. This floating nuclear station represents a unique engineering solution for isolated Arctic regions, replacing aging infrastructure with modern, compact reactor technology designed for extreme environments.

The Akademik Lomonosov is a 144-metre-long vessel that serves as the world’s northernmost nuclear power plant. Originally intended to support the Sevmash shipyard in Severodvinsk, the project was redirected to the Chukotka region to replace the aging Bilibino Nuclear Power Plant. Construction began in 2007 at the Sevmash facility before moving to the Baltic Shipyard in Saint Petersburg, where the barge was eventually launched in 2010. After receiving its nuclear fuel in Murmansk, the station was towed 5,000 kilometres through the Arctic Ocean, arriving at its permanent home in Pevek in September 2019.

At the heart of the plant are two KLT-40S reactors, which are derived from propulsion systems used in icebreakers. These reactors produce 300 MW of thermal power, converted into 70 MW of gross electricity. The facility operates as a cogeneration plant, capable of providing up to 60 MW of thermal energy for heating and producing up to 240,000 cubic metres of freshwater daily from seawater. The design prioritises safety, incorporating automated shutdown systems that function without human intervention or external power, and it is explicitly distinguished from the RBMK reactor design associated with the Chernobyl accident.

The project has seen significant cost escalation, with initial estimates of 6 billion rubles rising to 37 billion rubles by 2015, a figure that includes necessary infrastructure reinforcements in Pevek. Since its commissioning in May 2020, the plant has become a critical energy source for the region. By January 2025, it had delivered 1,000 GWh of energy, meeting 60% of the local demand. Operated by a crew that is expected to grow to about 300 people, the Akademik Lomonosov demonstrates a shift toward mobile, modular nuclear energy solutions for remote industrial and residential hubs.

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