Rosatom
Russia’s state-owned nuclear energy corporation, spanning nuclear power, the nuclear fuel cycle, weapons-related activities, nuclear technology and selected non-nuclear businesses.
Last updated November 4, 2026
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Overview
Rosatom, formally the State Atomic Energy Corporation Rosatom, is a Russian state corporation headquartered in Moscow. Created in 2007 through the transformation of Russia’s Federal Atomic Energy Agency, it consolidated much of the country’s civilian nuclear industry and retained responsibilities connected with the nuclear weapons complex, nuclear research, nuclear materials and international nuclear cooperation. Unlike a conventional electricity utility, Rosatom operates across the full nuclear value chain: uranium exploration and mining, conversion, enrichment, fuel fabrication, reactor engineering, power-plant construction, electricity generation, decommissioning, radioactive-waste management and nuclear research. It also supplies nuclear medicine products, isotopes, industrial technologies, supercomputers, software, composite materials and additive-manufacturing technologies. Its associated organizations include the civilian holding Atomenergoprom, fuel company TVEL, uranium-mining company Atomredmetzoloto, engineering and construction businesses, research institutes and the world’s only fleet of nuclear-powered icebreakers. Rosatom is therefore both an industrial group and an instrument of Russian state policy. The Russian state authorizes it to implement international obligations relating to peaceful nuclear energy and nuclear non-proliferation, while its overseas reactor, fuel and technology projects have also served as long-term diplomatic and commercial relationships. The corporation has been a leading exporter of Russian-designed reactors and nuclear fuel, with projects at different stages in several countries. Its principal reactor technology includes the VVER family, including VVER-1200 and VVER-TOI designs. In Russia, Rosatom is the country’s largest electricity-generating company and oversees major operating and construction projects, including replacement capacity for aging Soviet-designed reactors. The group has also sought to diversify beyond conventional nuclear power. From 2017 it invested in wind generation, and by 2023 it reported nine commissioned wind farms with combined capacity of about 1 GW. Its broader diversification strategy has included hydrogen, waste processing, nuclear medicine, advanced materials, digital technologies and other high-technology fields. Rosatom’s international position became more politically contested after Russia’s full-scale invasion of Ukraine in 2022. Russian forces occupied the Chernobyl and Zaporizhzhia nuclear sites, and Rosatom personnel were reported to have entered the facilities and sought access to operating documentation. Western governments subsequently imposed sanctions on Rosatom subsidiaries and officials, although broad restrictions on the corporation have been limited in some jurisdictions because of dependence on Russian nuclear fuel, enrichment services and equipment. The corporation has also faced criticism over transparency, its role in Russia’s geopolitical strategy and allegations connected with the 2017 European ruthenium-106 contamination event. Rosatom denied responsibility for that release, while later scientific analysis rejected an initially proposed satellite-reentry explanation and pointed to a likely industrial incident. Rosatom remains active, but its international business, technology exports and senior leadership are subject to extensive geopolitical, regulatory and sanctions-related scrutiny.
History
Rosatom’s institutional history derives from the Soviet state’s nuclear bureaucracy. In 1953, the Soviet Council of Ministers converted the body responsible for the nuclear-weapons program into the Ministry of Medium Machine Building. The ministry subsequently became responsible not only for weapons development but also for the Soviet civilian nuclear-power program. In 1989 it was merged with the Ministry of Atomic Energy to create the Ministry of Nuclear Engineering and Industry of the USSR. After the Soviet Union dissolved, the Russian successor ministry was established on 29 January 1992 as the Ministry for Atomic Energy, commonly called Minatom. It inherited most of the Russian portion of the union ministry, including nuclear power stations, research facilities and industrial enterprises. In March 2004, Minatom was reorganized as the Federal Agency on Atomic Energy. A further institutional change followed in 2007. On 1 December, President Vladimir Putin signed legislation abolishing the federal agency and transferring its assets and responsibilities to a new state corporation. The organization formally became Rosatom on 12 December 2007. The new structure was designed to integrate electricity generation, nuclear engineering, fuel-cycle operations, research organizations and strategic nuclear assets under one state-controlled framework. Its civilian assets were subsequently organized in large divisions, with Atomenergoprom serving as a holding structure for much of the civilian nuclear industry. The mining division consolidated Russian uranium assets through Atomredmetzoloto, while TVEL became the principal fuel-cycle organization, covering enrichment, fuel fabrication and related materials. Rosatom also retained organizations connected with nuclear weapons, research and national security. During the 2000s and 2010s, the corporation expanded its overseas role. It supplied reactors, fuel, engineering and decommissioning services and developed long-term intergovernmental relationships around Russian nuclear technology. By 2015 it was involved in a substantial share of international agreements for reactor construction, fuel supply and related services. Its export model typically combined financing, construction, fuel supply and technical support over the life of a plant. Rosatom also developed non-power activities, including isotope production, nuclear medicine, supercomputers, software and advanced materials. In 2017 it decided to enter wind power, reflecting both the declining cost of renewables and concerns about the limited number of new nuclear export opportunities. In 2020 the group adopted a strategy calling for expansion into numerous new business areas, including hydrogen, waste management, composites, additive technologies and medical applications. That year it also introduced the United Rosatom identity, encouraging subsidiaries to use a common visual system. The corporation’s geopolitical profile intensified after Russia’s invasion of Ukraine in 2022. Russian military forces occupied the Chernobyl and Zaporizhzhia nuclear sites, and Rosatom employees were reported to have entered the facilities. The status and operation of Zaporizhzhia became a major international nuclear-safety and sovereignty dispute. Western governments imposed targeted sanctions on Rosatom-related entities and individuals, while some countries continued to rely on Russian enrichment, fuel or reactor services. In 2025 the United States expanded sanctions to senior Rosatom officials and businesses, citing their roles in Russia’s defense and nuclear sectors and in activities connected with the occupied Ukrainian plant. Rosatom therefore remains a central Russian industrial institution, but its international expansion is constrained by sanctions, political risk, export controls and heightened scrutiny of nuclear security.
- 2025
US sanctions expanded to senior Rosatom officials
[3]The US Treasury sanctioned senior executives and associated businesses over nuclear, defense, technology and Ukraine-related activities.
- 2022
Rosatom involvement at occupied Ukrainian nuclear sites
[1]After Russian forces occupied Chernobyl and Zaporizhzhia, Rosatom personnel were reported at the plants, creating international disputes over safety, authority and ownership.
- 2020
United Rosatom identity launched
[1]Rosatom introduced a unified brand identity for subsidiaries and announced a strategy covering new technology businesses.
- 2017
Wind-power diversification announced
[1]Rosatom began building a wind-power business alongside its nuclear operations.
- 2007
Rosatom state corporation established
[1]Legislation transferred the federal agency’s powers and assets to the State Atomic Energy Corporation Rosatom.
- 2004
Federal Agency on Atomic Energy formed
[1]Minatom was reorganized as a federal agency.
- 1992
Minatom established
[1]Russia created the Ministry for Atomic Energy as successor to the Soviet nuclear ministry’s Russian operations.
- 1989
Soviet nuclear ministries merged
[1]The Ministry of Medium Machine Building and the Ministry of Atomic Energy were combined into the Ministry of Nuclear Engineering and Industry of the USSR.
- 1953
Creation of the Ministry of Medium Machine Building
[1]The Soviet nuclear-weapons administration was transformed into a ministry that also supported the civilian nuclear-power program.
Products and positioning
An integrated state-backed nuclear technology and energy group combining domestic electricity generation, full-fuel-cycle capabilities, reactor exports and strategic high-technology businesses.
Nuclear power technology
VVER reactor systems
Rosatom’s VVER pressurized-water reactor family is its principal commercial reactor platform. The portfolio includes VVER-1200 units used in newer Russian and overseas projects and the VVER-TOI design associated with later-generation construction. Rosatom commonly offers reactor technology together with engineering, construction, fuel, maintenance and long-term technical support.
Nuclear fuel
TVEL nuclear fuel
TVEL coordinates front-end fuel-cycle operations including uranium conversion and enrichment, fuel fabrication and related materials. It supplies fuel for Russian nuclear power plants and the nuclear-powered icebreaker fleet and has also supplied international reactor operators. The division uses Russian gas-centrifuge enrichment technology and manufactures fuel at several industrial sites.
Mining
Uranium mining and raw materials
Atomredmetzoloto consolidates major Russian uranium-mining assets, while Uranium One operates an international portfolio. These businesses provide raw materials for the nuclear fuel cycle and connect Rosatom’s domestic industrial base with overseas mining interests.
Engineering and construction
Nuclear power-plant construction
Rosatom delivers integrated nuclear projects, including reactor design, engineering, equipment, construction, commissioning, fuel supply and servicing. Its export model is often supported by intergovernmental agreements and long-term cooperation arrangements, making plant construction a commercial and diplomatic activity.
Medical technology
Nuclear medicine and isotopes
The corporation produces isotopes and develops technologies for nuclear medicine and related research. These activities extend Rosatom’s capabilities beyond electricity into diagnostics, treatment, research materials and medical supply chains.
Marine nuclear technology
Nuclear icebreaker fleet
Rosatom oversees Russia’s nuclear-powered icebreaker fleet, which supports navigation and logistics along the Northern Sea Route. The fleet is a distinctive non-stationary application of Russian reactor technology and is connected with shipbuilding, marine engineering and Arctic transport.
Renewable electricity · 2017
Wind power
Rosatom entered wind generation as part of its diversification strategy. By the end of 2023, its wind business had commissioned nine wind farms with total capacity of approximately 1 GW and generated about 2.27 billion kWh of electricity during that year.
High technology
Advanced materials and digital technologies
Rosatom’s non-nuclear portfolio includes composite materials, additive manufacturing, supercomputers, software and other industrial technologies. These businesses are intended to create revenue outside conventional nuclear power while leveraging the group’s engineering and research base.
Controversies
2023
Sanctions and controversy over nuclear diplomacy
The United Kingdom and other governments sanctioned Rosatom-related entities and officials. Critics argued that the corporation’s reactor, fuel and technology exports provide Russia with long-term geopolitical leverage, while nuclear-industry dependence limited the willingness of some jurisdictions to impose comprehensive sanctions.
2022
Rosatom personnel at occupied Ukrainian nuclear facilities
After Russian forces occupied the Chernobyl and Zaporizhzhia nuclear plants, Rosatom personnel reportedly entered the sites and sought access to manuals, procedures and operational documentation. The events generated international concerns about coercion, plant governance, nuclear safety and the transfer of ownership claims.
2017
Ruthenium-106 contamination controversy
Monitoring stations across Europe detected a plume of ruthenium-106, a fission by-product. Rosatom denied that the release came from an accident at one of its facilities and suggested satellite re-entry as a possible explanation. A later scientific study rejected that explanation and identified an industrial fire or explosion during the processing of ruthenium into cerium-144 as the most likely source. Rosatom continued to deny that a leak or explosion had occurred.
Marketing campaigns
- 2020United Rosatom
Russia · International subsidiaries
Rosatom introduced a unified corporate identity during the 75th anniversary period of the Russian nuclear industry. The initiative encouraged nuclear-sector subsidiaries to use the group’s Möbius-strip logo and presented the organization as an integrated technology group rather than a collection of separate enterprises.
Outcome. A common identity was rolled out across participating nuclear-industry subsidiaries.
Brand decisions
2025
Respond to expanded US sanctionsOtherBackground
The United States cited Rosatom’s connections with Russia’s nuclear weapons complex, defense sector, advanced technologies, overseas nuclear construction and activities related to the Zaporizhzhia plant.
Action taken
The US Treasury designated senior officials, including Alexey Likhachev, and associated companies, blocking property and interests in property subject to US jurisdiction.
Aftermath
The measures increased sanctions and compliance risks for Rosatom’s international operations and counterparties.
2022
Support operations at occupied Ukrainian nuclear sitesOtherBackground
Russian military forces occupied the Chernobyl and Zaporizhzhia nuclear facilities during the invasion of Ukraine.
Action taken
Rosatom personnel entered the sites and sought access to plant documentation; Rosatom stated that its staff were present to support safety and were not responsible for plant management or security.
Aftermath
The involvement became part of an international dispute over nuclear safety, Ukrainian ownership and the legitimacy of Russian control.
2020
Diversify into new technology businessesStrategyBackground
Rosatom sought to reduce dependence on conventional nuclear power and expand the commercial use of its engineering, scientific and industrial capabilities.
Action taken
It approved a strategy targeting new business areas including nuclear medicine, composites, wind energy, hydrogen, waste management and additive technologies.
Aftermath
The group continued presenting itself as a broader technology corporation, while nuclear power and fuel remained its core activities.
2017
Enter wind powerStrategyBackground
Rosatom assessed falling renewable-energy costs as a competitive challenge to nuclear generation and viewed new nuclear export opportunities as potentially constrained.
Action taken
The corporation began developing wind-turbine and wind-farm investments alongside its nuclear businesses.
Aftermath
By 2023, Rosatom had commissioned nine wind farms with approximately 1 GW of combined capacity and signed a contract for its first international wind farm in Kyrgyzstan.
Recent events
- Unconfirmed
Reported
Rosatom and Fennovoima claim different wins after tribunal ruling[4]
A tribunal has issued a ruling in the case between Rosatom and Finland's Fennovoima; following the ruling, both companies claim different wins.
Ghana and Rosatom begin nuclear power plant discussions[5]
Ghana initiated discussions with Russia’s state nuclear energy corporation, Rosatom, about establishing Ghana’s first nuclear power station. The source does not report a concluded partnership or agreement.
Sources5 sources
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