National Nuclear Energy Commission

What National Nuclear Energy Commission does

CNEN (Comissão Nacional de Energia Nuclear) is Brazil's federal nuclear energy commission, established in 1956 and operating as an autarchy under the Ministry of Science, Technology and Innovations (MCTI). It functions simultaneously as the country's exclusive regulatory authority for nuclear energy, radioactive materials, and radiological protection (under Lei Federal 7781/1989 and Lei 10.308/2001) and as an operating research institution through five wholly-owned units: IEN (Rio de Janeiro), IPEN (São Paulo), CDTN (Belo Horizonte), CRCN-CO, and CRCN-NE. It serves industrial and medical facilities requiring licensing and certification, the healthcare sector for medical radioisotope supply, federal and state government agencies for radiological emergency response, and academic institutions for nuclear science training and research collaboration.

Its core technology base comprises the nation's only network of four research reactors (including the 1965 Argonauta reactor designed by Argonne National Laboratory), the 1974 CV-28 compact cyclotron for radioisotope production (I-123, F-18, MIBG), patented nuclear instrumentation (MIR 7028, MRA 7027, MRH-7029), and planned fusion infrastructure including the Nuclear Fusion Laboratory (LFN) at Iperó-SP and the proposed Brazilian Multipurpose Reactor (RMB). The agency also operates the country's sole radioactive waste management system, including the Abadia de Goiás final repository that stores waste from the 1987 Cs-137 Goiânia accident.

CNEN does not operate on commercial revenue but receives funding from federal government budget allocations through MCTI, supplemented by fees from licensed products and services (published as a 2024 price list) and grant capture from CNPq, FAPERJ, IAEA, and Euratom. It commercializes IP through technology transfer to national industry (e.g., MRA Indústria de Equipamentos Eletrônicos Ltda) and supports private spin-offs (e.g., Atômum Serviços Tecnológicos Ltda, incubated at COPPE/UFRJ). Strategic activity centers on expanding the national fusion program, uranium fuel cycle independence via INB, and international cooperation under IAEA and Euratom frameworks.

Name

National Nuclear Energy Commission

Legal name

Comissão Nacional de Energia Nuclear

Website

https://cnen.gov.br

Company type

Private

Founded year

1956

Operating status

Operating

Headcount range

1–10 employees

Short description

Brazil's federal nuclear energy commission, regulating nuclear activities and conducting research through five institutes nationwide; produces medical radioisotopes, manages radioactive waste, and leads national fusion research.

Ownership category

akta.pro rank

Product category

Nuclear Energy Regulation and Research

NAICS

Administration of Environmental Quality Programs (924), Nuclear Electric Power Generation (221113), Irradiation Apparatus Manufacturing (334517), Chemical Manufacturing (325)

SIC

Services-Commercial Physical & Biological Research (8731), Laboratory Analytical Instruments (3826), Hazardous Waste Management (4955), In Vitro & In Vivo Diagnostic Substances (2835)

akta.pro primary industry

Nuclear Safety, Licensing & Regulatory Compliance (Plant Ops) (EUACADAN)

akta.pro secondary industries

Medical Radioisotope Production (Reactor/Cyclotron, Mo-99/Tc-99m, I-131, Lu-177, etc.) (EUAKAIAA), Research & Test Reactor Operations (Non-Commercial Power) (EUACADAH), Repository siting & site investigations (geology, hydrogeology, seismic, EIA support) (EUAKAGAF), Nuclear Materials Testing, Assay & Characterization Services (NDA/NDE, radiochemistry, materials analysis) (EUAKAIAL), IAEA Safeguards Implementation & Verification Support (inspections, declarations, reporting) (EUAKAJAE)

Keywords

• Nuclear energy regulation
• Radiological protection services
• Radioactive waste management
• Nuclear research infrastructure
• Radiopharmaceutical production

Headquarters

HQ city

Rio De Janeiro

HQ country

Brazil

HQ region

Latin America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Infrastructure, Operations

Distribution channels3 records

Marketing channels5 records

Core offering

CNEN operates Brazil's nuclear research infrastructure including research reactors (Argonauta, IEA-R1, MB-01, TRIGA) and particle accelerators (Cíclotron CV-28) for radioisotope production. The commission provides regulatory licensing for nuclear installations, radiological protection services, radioactive waste management through repositories including the Abadia de Goiás final deposit, and nuclear instrumentation development with patented products transferred to national industry.

Product overview

The National Nuclear Energy Commission (CNEN) is Brazil's federal agency for nuclear energy regulation, research, and development. CNEN operates as a platform organization with multiple specialized institutes (IEN, IPEN, CDTN, CRCN-NE, CRCN-CO) providing interconnected nuclear services. The product portfolio includes nuclear research infrastructure (Argonauta research reactor, Cyclotron CV-28), radioactive waste management services, radiation protection services, chemical analysis and materials characterization, nuclear instrumentation development with patented products (MIR 7028, MRA 7027), research programs in nuclear fusion, and education/training through graduate programs and scholarship initiatives. The interconnected nature of these offerings reflects Brazil's integrated approach to nuclear science, where reactor facilities, particle accelerators, waste management, and research programs support each other within the national nuclear ecosystem.

Differentiator

Problem solved

Functional benefit

Products and services

• Reator Nuclear de Pesquisa Argonauta Research nuclear reactor featuring inherent safety through negative feedback effects and redundant shutdown devices, operating at low power for reactor physics, neutron physics, neutrongraphy, neutron tomography, neutron activation analysis, and radiotracer production.
• Acelerador de Partículas Cíclotron CV-28 Compact variable-energy cyclotron capable of accelerating protons (24 MeV), deuterons (14 MeV), helium-3 (36 MeV), and alpha particles (28 MeV), used for radioisotope production including I-123, F-18, and MIBG for nuclear medicine applications.
• Depósito de Rejeitos Radioativos Radioactive waste storage facility with an intermediate deposit for low and medium half-life sources (approximately 200 cubic meters capacity) and treatment facilities with press and grinding equipment.
• Armazenamento de Rejeitos Radioativos National service for safe collection and storage of radioactive waste from various applications of nuclear energy throughout Brazil, including institutional control of the Final Deposit in Abadia de Goiás storing waste from the 1987 Cs-137 Goiânia accident.
• Serviços de Radioproteção Radiation protection services including thermoluminescent dosimetry, gamma spectrometry, radiological surveys, and smear tests for contamination detection. Also includes training courses on radiation protection and nuclear physical security.
• Análises Químicas e Caracterização de Materiais Chemical analysis services for determination of natural uranium and thorium in various samples, and physical, chemical, and microstructural characterization of materials using techniques including X-ray fluorescence spectrometry, atomic absorption spectrometry, ICP-AES, and ion chromatography.
• Instrumentação e Sistemas de Controle Development of instrumentation for research nuclear reactors, modernization systems for Angra 1 nuclear plant, and patented radiation monitoring equipment including the Intelligent Radiation Monitor MIR 7028, Radiation Monitor MRA 7027, and Hospital Waste Monitor MRH-7029.
• Processos Químicos e Metalúrgicos Application of polymeric membranes in nuclear waste treatment and industrial wastewater using microfiltration, ultrafiltration, and nanofiltration at pilot scale, plus development of extraction processes related to the nuclear fuel cycle.
• Programas de Bolsas de Pesquisa Graduate programs, scientific and technological initiation, institutional training, and postdoctoral programs offering study and research scholarships in nuclear and related areas.
• Linhas de Pesquisa Research lines covering radiotracer applications in industry and environment, reactor engineering and technology, complex systems engineering, nuclear instrumentation, functional materials, radiopharmaceutical production, radiation protection, tropical radioecology, radiochemistry, virtual reality in nuclear area, and thermohydraulics.
• Inovação e Patentes Innovation management, patents, and technology transfer through the Technological Innovation Nucleus (NIT), including technology transfer contracts for nuclear instrumentation and uranium purification processes with INB and Atômum.
• Laboratório de Fusão Nuclear (LFN) Proposed National Fusion Laboratory to be constructed in Iperó-SP, adjacent to the Brazilian Multipurpose Reactor (RMB) site, part of the National Nuclear Fusion Program (PNFN) and Brazil-Euratom cooperation agreement.
• Programa de Pós-Graduação - PPGIEN Graduate program at the Instituto de Engenharia Nuclear offering master's and doctoral degrees in nuclear engineering and related fields.
• Casa da Ciência Nuclear Science center proposal providing an exhibition space 'Nuclear Energy: from food to energy' to inform visitors about different applications of nuclear energy in various sectors, based on CTSA (Science, Technology, Society and Environment) knowledge framework.

Quantifiable outcome

• Radiopharmaceutical production for nuclear medicine (¹²³I, ¹⁸F, MIBG) at IEN cyclotron facility
• +1 more outcomes

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Eleven partnerships are on record, tiered core and minor.

• INB - Indústrias Nucleares do BrasilcoreStrategic or Co-development PartnerPartnership for the development of purification processes for Santa Quitéria (CE) uranium ore, including phosphorus separation for nuclear fuel production. This partnership supports Brazil's independence in the nuclear fuel cycle.
• MRA Indústria de Equipamentos Eletrônicos LtdacoreTechnology or IntegrationTechnology transfer contract for the Monitor Inteligente de Radiação MIR 7028, averbado at INPI and still in force. This enables national industrial production of nuclear instrumentation, replacing imported equipment.
• Atŏmum Serviços Tecnológicos LtdaminorStrategic or Co-development PartnerJoint development of radiotracers for industrial applications. Atŏmum was incubated at Coppe/UFRJ incubator and originated from IEN research on industrial nuclear techniques.
• IAEA - International Atomic Energy AgencycoreStrategic or Co-development PartnerBrazil participates in the IAEA Technical Cooperation Programme (PCT/AIEA) for the 2028-2029 biennium. CNEN coordinates national cooperation projects with IAEA including nuclear fusion research, radioisotope production, and radiation protection. CNEN also participates in the IAEA Board of Governors.
• EuratomcoreStrategic or Co-development PartnerBrazil-Euratom cooperation agreement for nuclear fusion research, supporting the National Nuclear Fusion Program (PNFN) and related research activities.
• CNPq - Conselho Nacional de Desenvolvimento Científico e TecnológicocoreGTM or Marketing PartnerFederal research funding agency providing grants for nuclear research projects. CNEN researchers obtain IC and project funding through CNPq calls for proposals.
• FAPERJ - Fundação de Amparo à Pesquisa do Estado do Rio de JaneirocoreGTM or Marketing PartnerState research funding foundation of Rio de Janeiro providing grants and fellowships for nuclear research conducted at IEN and other CNEN units.
• MCTI - Ministério da Ciência, Tecnologia e InovaçõescoreGTM or Marketing PartnerCNEN submits proposals for Nuclear Fusion Laboratory (LFN) funding and the National Nuclear Fusion Program (PNFN) to MCTI. MCTI oversees national science and technology policy including nuclear sector.
• INPE - Instituto Nacional de Pesquisas EspaciaisminorStrategic or Co-development PartnerCollaboration on tokamak modernization projects including ETE (Experimento Tokamak Esférico) and TCABR tokamak for RMP suppression studies, and conceptual studies for an intermediate fusion machine.
• IFUSP - Instituto de Física da Universidade de São PaulominorStrategic or Co-development PartnerCollaboration on National Nuclear Fusion Program proposals, tokamak research, and formation of human resources in nuclear fusion. Dr. Gustavo Paganini Canal and Dr. José Helder Facundo Severo from IFUSP participate in CNEN fusion seminars and research coordination.
• UFRGS - Universidade Federal do Rio Grande do SulminorStrategic or Co-development PartnerCollaboration on National Fusion Network (RNF) activities with researcher Luiz Fernando Ziebell representing UFRGS in CNEN-coordinated fusion seminars and research programs.

Scale indicators3 records

Recent moves6 records

Expansion highlights7 records

Broad incumbents

• International Atomic Energy Agency (IAEA): Global nuclear governance and technical cooperation body with which CNEN coordinates projects and on whose Board of Governors Brazil participates. IAEA's safeguards, safety standards, and technical cooperation programs parallel CNEN's domestic regulatory and research mandate, though IAEA operates internationally rather than as a single national agency.
• U.S. Nuclear Regulatory Commission (NRC): The U.S. federal agency responsible for nuclear safety, licensing, and regulatory oversight. NRC is the closest analog to CNEN's regulatory functions (licensing, radiological protection, safety standards) for a large nuclear economy, providing a structural peer for benchmarking regulatory scope and approach.

Direct peers

• Autoridad Regulatoria Nuclear (ARN) - Argentina: Argentina's national nuclear regulatory authority and regional peer with overlapping mandate covering licensing, radiological protection, and waste management. As Latin America's other major nuclear country, ARN provides direct comparability in regulatory structure and operational scope.
• Curium Pharma: Global radiopharmaceutical company producing Mo-99/Tc-99m and other medical radioisotopes for nuclear medicine. Curium's commercial-scale radioisotope production mirrors CNEN's IEN/IPEN radiopharmaceutical operations and provides a benchmark for scale and product mix in the medical isotope supply chain.
• Lantheus Holdings: Radiopharmaceutical company specializing in diagnostic imaging agents including nuclear medicine tracers. Lantheus is comparable to CNEN's medical radioisotope production in target end-market (nuclear medicine imaging) and offers a commercial-scale comparator for the radiopharma segment of CNEN's portfolio.
• Korea Nuclear Safety and Security Commission (NSSC): South Korea's nuclear safety and security regulator with responsibilities spanning licensing, inspection, and radiological protection. NSSC provides a peer reference for a national regulator overseeing an active reactor fleet plus research infrastructure.
• Office for Nuclear Regulation (ONR) - UK: UK's independent nuclear regulatory body covering licensing, inspection, and civil nuclear security. ONR is comparable to CNEN's regulatory directorate (DRS) in scope and structure, particularly in radiological protection and facility oversight.
• Autorité de Sûreté Nucléaire (ASN) - France: France's independent nuclear safety authority with responsibilities for licensing, inspection, and radiological protection across one of the world's largest nuclear fleets. ASN is comparable to CNEN in regulatory philosophy and oversight of a mature nuclear program.
• Canadian Nuclear Safety Commission (CNSC): Canada's federal nuclear regulatory body responsible for licensing, safety oversight, and radiological protection. CNSC's integrated approach to regulating reactors, radioisotopes, and waste mirrors CNEN's combined regulatory-operational mandate.
• Bundesamt für Strahlenschutz (BfS) - Germany: Germany's federal office for radiation protection covering radiological protection, nuclear safety oversight, and waste management. BfS's scope aligns closely with CNEN's radiological protection and waste management functions.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

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• LinkedInlinkedin.com/company/national-nuclear-energy-commission
• Instagraminstagram.com/ien.cnen

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about National Nuclear Energy Commission