Northern Sea Route

• 1. Introduction

  ›

  The Northern Sea Route stretches roughly 5,600 kilometres along the Russian Arctic coast, threading through some of the most forbidding waters on Earth. It cuts between the Kara Strait, where the Barents and Kara Seas meet, and the Bering Strait at Cape Dezhnev, passing through four Arctic seas: the Kara, the Laptev, the East Siberian, and the Chukchi. For most of human history, those waters were impassable for all but a few weeks each year, locked under metres of ice that could crush a ship's hull without warning.

  What makes this route worth the danger? A single comparison answers that. The voyage from Murmansk to Yokohama covers 12,840 nautical miles via the Suez Canal. The same journey along the Northern Sea Route covers 5,770 nautical miles. That is a reduction of roughly 30 to 40 percent in sailing time, and it translates directly into fuel burned, carbon emitted, and money spent. For bulk carriers hauling low-value raw materials, those numbers can mean the difference between profit and loss.

  But the route's story is not simply a story about shortcuts. It is a story about nuclear reactors on ships, about the Soviet Union's ambitions in the Arctic, about Chinese container lines threading ice-class vessels through seas once considered impractical for commercial trade, and about what melting sea ice might mean for the world's most fragile ecosystem. The questions worth carrying into this documentary are these: Who controls this route, who is now using it, and what kind of future are they betting on?

• 2. Conquest and Consolidation

  ›

  Adolf Erik Nordenskiöld was the first to complete the route, doing so with a single wintering in 1878-79, a feat that put the passage on the map as something physically achievable but not yet commercially practical. More than five decades later, in 1932, a Soviet expedition led by geographer Otto Schmidt navigated the entire Northern Sea Route in a single navigation season for the first time, aboard the icebreaker Alexander Sibiryakov. That achievement marked a turning point. Year-round exploration of Arctic waters began from that moment, and by the mid-1930s the route had acquired official status as a managed and regulated corridor along Russia's Arctic coast.

  The next transformative moment came on the 3rd of December 1959, when the nuclear icebreaker Lenin was put into operation. It was the first nuclear icebreaker ever built, anywhere in the world, and its arrival opened a new chapter for the route. A vessel that could operate for years without refueling, that could break through ice with power no conventional ship could match, changed what was possible in Arctic navigation. Beginning in 1978, icebreakers of the Arktika type, built under Project 10520, allowed Russia to transition to year-round navigation in the Western Arctic region.

  The route's geography created one particular engineering puzzle: the port of Dudinka sits on the Yenisei River, and the shallowness of the river approaches meant that standard icebreakers ran aground. The solution was to design and build specialized nuclear icebreakers with a reduced draft, the Taimyr and the Vaigach, purpose-built for this shallow-water challenge. The Dudinka port itself was expanded and reconstructed in parallel. That kind of bespoke engineering, tailored to a specific Arctic constraint, would become a recurring theme in the route's development.

• 3. The Nuclear Fleet

  ›

  Russia operates the world's only nuclear-powered icebreaker fleet, managed by FSUE Atomflot, itself a subsidiary of the state corporation Rosatom. In 2024, that fleet celebrated its 65th anniversary, marking an unbroken line of nuclear Arctic operations stretching back to the Lenin.

  As of 2025, the fleet consists of eight active vessels. The older members include Yamal and 50 Let Pobedy, built under Project 10521, along with Taimyr and Vaigach. The four newest and most powerful are Arktika, Sibir, Ural, and Yakutia, all built under Project 22220. Each of these four carries two RITM-200 reactors, each with a thermal capacity of 175 megawatts. Their design includes an adjustable draft, which can shift between 10.5 and 9.03 meters, allowing the same vessel to operate both in open Arctic seas and in the shallow waters of the Yenisei River and the Ob Bay. In April 2025, Yakutia arrived at its home port and began its maiden voyage toward the Yenisei Gulf in the Kara Sea region.

  Three more Project 22220 icebreakers are under construction. The Leningrad had its keel laid at the Baltic Shipyard in January 2024. The Chukotka was launched in November 2024 and is in its final construction stage. Preparations are also underway to build the Stalingrad. At the end of 2024, construction began on a multifunctional nuclear technology service vessel designed to reload nuclear fuel in the Project 22220 ships and manage spent fuel assemblies.

  Beyond these, construction continues on a vessel in a different category entirely. The Rossiya, being built under Project 10510, will be the most powerful nuclear icebreaker ever constructed. In May 2025, Rosatom's engineering division completed the first RITM-400 reactor intended for Rossiya. That single reactor carries a thermal capacity of 315 megawatts, and Rossiya will carry two of them, surpassing every existing ship reactor installation by a significant margin.

• 4. The Traffic and the Numbers

  ›

  In 2007, just two vessels completed full through-transits of the Northern Sea Route. By 2013, that number had climbed to 71, representing ships flying the flags of Russia, Singapore, Finland, Norway, Germany, Spain, China, Greece, Hong Kong, the Netherlands, Portugal, and others. The route was, for a brief window, attracting genuine international attention.

  Then the numbers contracted. Transits fell to 53 in 2014, then dropped sharply to 18 in 2015 and 2016. The reasons were multiple: lower oil prices reduced the cost advantage, ice conditions varied, and the commercial infrastructure remained thin. Recovery came slowly, with 37 transits in 2019, then a jump to 64 in 2020 and 85 in 2021.

  But transit counts tell only part of the story. The broader cargo volume on the route, which includes domestic Russian Arctic traffic and resource shipments rather than just end-to-end transits, grew from 3.87 million tonnes in 2012 to 36.254 million tonnes in 2023, a historical maximum. That record was broken again in 2024, when total cargo reached 37.9 million tonnes. In 2024, a record 92 transit voyages took place, with transit cargo surpassing 3 million tonnes, nearly one and a half times the 2023 transit figure. In 2022 alone, 280 voyages carried liquefied natural gas out of Sabetta port, illustrating how heavily the route's bulk figures are driven by Russian energy exports rather than international transit shipping.

  The gap between transit traffic and total cargo volume points to a structural reality: for now, the Northern Sea Route functions primarily as a domestic Russian logistics corridor and energy export channel, with international transit still a relatively small fraction of total use.

• 5. China's Arctic Ambitions

  ›

  NewNew Shipping of Hainan Yangpu, which operates at least two ice-class vessels, completed seven transits between July 2023 and December 2023, establishing the first regular Chinese container service on the route. In June 2024, the company signed an agreement with Rosatom to formalize a year-round Arctic shipping arrangement, and by the end of 2024 a joint venture had been created.

  The scale of what Chinese operators moved through the route grew quickly. The Chinese ice-class vessel ICE 1, measuring 294 meters long and carrying a capacity of 4,843 TEU, became the largest container ship in the history of the Northern Sea Route when it passed from St. Petersburg to Qingdao. Rosatom specialists had developed a dedicated deep-sea routing to allow Capesize-type vessels, the largest class of bulk carriers, to transit these waters; the nuclear icebreakers Taimyr and Sibir escorted the first Capesize vessel, which carried 164,500 tonnes of cargo.

  The multimodal route known as Express NSR No. 1 connected the ports of Shanghai and Ningbo with Arkhangelsk, after which cargo moved by rail to Moscow and St. Petersburg. In a notable extension, cargo also reached Belarus for the first time via this chain: a ship left Shanghai bound for St. Petersburg, and the cargo was then trucked to Mogilev. The entire journey took 35 days. In 2024, Express NSR No. 1 completed 13 voyages with container cargo, twice the number of the previous year, carrying a total of 1,441,099 tonnes.

  In July 2025, a new container line opened from Lianyungang to Arkhangelsk as part of the Ice Silk Road 2025 project, extending the geographic reach of Chinese Arctic logistics further. At the St. Petersburg International Economic Forum in 2024, Rosatom and NewNew Shipping signed an agreement of intent to design and order Arc7 ice-class container ships with a capacity of 4,400 TEU each.

• 6. Environmental Reckoning

  ›

  In August 2017, a vessel completed a transit of the Northern Sea Route without any icebreaker assistance at all. That event, reported by the New York Times, illustrated how dramatically Arctic sea ice had retreated and signaled what further warming might mean for the route's accessibility.

  Maritime transport accounts for 2.9% of global greenhouse gas emissions according to the Fourth IMO GHG Study 2020, and the International Maritime Organization has set a target of cutting those emissions by 50% by 2050. Marine transport generates 14% of all transport sector emissions. Against that backdrop, the Northern Sea Route's shorter distance does reduce the carbon output of any given voyage. The nuclear icebreakers escorting those voyages emit virtually no carbon dioxide themselves, which proponents count as an additional environmental benefit.

  But shorter routes and cleaner icebreakers do not eliminate the core tension. The Arctic ecosystem is described in the source as "already threatened," and one study projects that heavy shipping traffic in the Arctic would place substantial pressure on it. Rosatom and Lomonosov Moscow State University's Marine Research Centre began a joint environmental monitoring project in 2021 that remains ongoing. It covers atmospheric air, seawater samples, water temperature and salinity, and observations of marine mammals and birds, with laboratory analysis conducted in Moscow and Saint Petersburg and satellite-based monitoring running in parallel.

  The International Expert Group supporting this project includes ornithologists, ichthyologists, and specialists in zooplankton, phytoplankton, and marine mammals, drawn from scientific institutions in Norway, Finland, France, Iceland, the United Kingdom, China, India, Egypt, Malaysia, Turkey, Japan, and the United States. Research from the Arctic and Antarctic Research Institute's report on sea ice projections for 2030 to 2050 projects that this period will represent the coldest phase of the 74-year oscillation, with no seasonal loss of Arctic Ocean ice cover expected in 2050, a finding that complicates the most optimistic projections about the route's future commercial accessibility.

• 7. Who Governs the Ice

  ›

  In 2013, Russia established the Federal State Budgetary Institution Northern Sea Route Administration to manage the route formally. In 2018, the State Corporation Rosatom was designated as the route's infrastructure operator, and in 2022 management responsibilities were transferred again, this time to Rosatom's Main Directorate of the Northern Sea Route, known as Glavsevmorput.

  Glavsevmorput was formed from the Naval Operations Headquarters of FSUE Atomflot and now handles the practical mechanics of navigation: arranging icebreaker escorts, issuing and suspending permits for vessels sailing in the route's waters, monitoring traffic, and distributing information on ice and weather conditions. Rosatom also manages port infrastructure and coordinates navigation and hydrographic support through subordinate organizations including Atomflot, the Hydrographic Enterprise, and ChukotAtomEnergo.

  Looking further ahead, Rosatom is planning to implement what it calls the Arctic Ice Regime Shipping System, abbreviated AIRSS. This would function as a unified digital platform drawing data from hydrometeorological sources, vessel position reports, icebreaker locations, and port congestion data, presenting ship captains, cargo owners, insurers, and logistics operators with a real-time ice navigator capable of plotting optimal routes through shifting conditions.

  On the tourism side, Rosmorport, a state-owned agency of the Russian Ministry of Transport, reported in 2023 plans to run cruise voyages for tourists aboard icebreakers along the full length of the route between Murmansk and Vladivostok. And in July 2024, the India-Russia relationship with the route gained institutional form: during the Indian Prime Minister's visit to Moscow, both sides expressed readiness to establish a joint working body on Northern Sea Route cooperation, and in October 2024 the first meeting of a Russian-Indian working group was held in New Delhi, covering polar navigation training for Indian sailors and joint projects in Arctic shipbuilding.