Subject type: State corporation, civil and military nuclear
Jurisdiction: Russian Federation
Also known as: State Atomic Energy Corporation Rosatom, Росатом
File opened: 7 August 2026
Last updated: 7 August 2026
Origin
Rosatom was constituted as a state corporation in 2007 out of the Federal Atomic Energy Agency, which in turn descended from the Soviet Ministry of Medium Machine Building. That ministry ran the Soviet weapons programme, and the institutional continuity is not incidental. The same organisation that manages Russian warhead stockpiles also signs thirty-year reactor contracts with foreign governments.
Command
The director general reports to the president rather than to a ministry, a structure shared with only a handful of Russian entities. The corporation holds a dual mandate covering the nuclear weapons complex, including the closed cities at Sarov and Snezhinsk, and the civil business spanning generation, fuel, enrichment, icebreakers and reactor export.
The practical effect of the dual mandate is that a foreign government contracting Rosatom for a power plant is contracting a weapons agency. Most contracting governments have judged the terms worth it anyway.
Capability
Three capabilities carry the organisation.
The first is reactor export on a build-own-operate basis, where Rosatom finances construction through Russian state credit, builds the plant, supplies the fuel and in some structures retains an equity stake. Akkuyu in Turkey, El Dabaa in Egypt, Rooppur in Bangladesh and Paks II in Hungary all follow variants of this model. Competitors can build reactors. Very few can finance them on these terms.
The second is enrichment. Russia holds something in the region of 40 per cent of world enrichment capacity and a larger share of certain fuel fabrication niches, including fuel assemblies for Soviet-designed VVER reactors still running across Central and Eastern Europe. This is the leverage that has shaped Western policy toward the company more than any other factor.
The third is Arctic. Rosatom operates the world’s only nuclear icebreaker fleet and holds the infrastructure mandate for the Northern Sea Route.
Funding and ownership
Federal budget appropriations for the weapons and research complex, commercial revenue from generation and fuel, and export contracts backed by Russian sovereign lending to the customer. The lending component means several flagship export projects are, in cash terms, Russian state money circulating back to a Russian state contractor.
Restrictions and exposure
The corporate parent has escaped comprehensive Western designation, and the reason is the enrichment dependency described above. Sanctions have instead landed on subsidiaries, individuals and specific activities. The United States legislated a ban on Russian enriched uranium imports in 2024 with waiver provisions running to 2028, structured to give domestic and allied capacity time to be built.
A separate exposure sits at Zaporizhzhia, where Rosatom took operational control of Europe’s largest nuclear plant following the Russian occupation of the site. That control has no basis in Ukrainian law and has been the subject of continuing IAEA engagement.
Watch items
- Western enrichment capacity additions and whether the 2028 waiver cliff is met or extended.
- Paks II progress, as the test of whether an EU member state can complete a Rosatom project.
- Zaporizhzhia staffing, external power supply and IAEA access.
- VVER fuel substitution progress in Central Europe.
Related files
- Sovcomflot: Arctic shipping capacity alongside the icebreaker fleet
- Rosoboronexport: the other state export instrument, treated very differently by sanctioning states