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Top 25 Companies Europe Small Modular Reactor Market in (2025-2033): Metastat Insights Analysis

October 16, 2026ByMetastat Insights Research Team

Explore the Europe Small Modular Reactor market, projected to grow from USD 1,536.2 Million in 2025 to USD 2,562.4 Million by 2033 with 25 leading companies.

The Europe Small Modular Reactor Market is valued at USD 1,536.2 Million in 2025 and is projected to reach USD 2,562.4 Million by 2033, growing at a CAGR of 6.6%. This market encompasses a variety of reactor technologies, including Pressurized Water Reactors, Boiling Water Reactors, and others, which are essential for generating electricity, providing industrial process heat, and supporting hydrogen production. The increasing demand for clean energy solutions and the need for energy security drive the development and deployment of small modular reactors across Europe.

As nations seek to reduce carbon emissions and transition to sustainable energy sources, the Europe Small Modular Reactor market is expected to play a crucial role in meeting future energy needs. Technological advancements, regulatory support, and innovative financing models contribute to the growth of this sector, encouraging investment from public and private entities.

Top 25 Companies Europe Small Modular Reactor Market in (2025-2033): Metastat Insights Analysis

Europe Small Modular Reactor Market Size, Data, & Statistics

The market size for the Europe Small Modular Reactor market in 2021 was USD 1,203.5 Million. This figure rose to USD 1,272.1 Million in 2022, indicating a positive trajectory within the industry. By 2023, the market value increased to USD 1,361.1 Million, reaffirming the ongoing interest in small modular reactor technologies.

In 2024, the market is expected to reach USD 1,436.1 Million, with further growth anticipated as new projects and technologies emerge. The market size in 2025 is projected to be USD 1,536.2 Million, with expectations of reaching USD 1,642.2 Million in 2026. By 2033, the market is forecasted to expand to USD 2,562.4 Million, reflecting a growth trend.

The Compound Annual Growth Rate (CAGR) from 2025 to 2033 is estimated at 6.6%. This growth rate highlights the increasing demand for small modular reactors as a viable and efficient energy solution in Europe. The market dynamics are influenced by various factors, including technological advancements and changing energy policies.

The regional shares for reactor technologies in the Europe Small Modular Reactor market are distributed as follows: Pressurized Water Reactor (PWR) at 1%, Boiling Water Reactor (BWR) at 2%, Sodium-Cooled Fast Reactor (SFR) at 3%, Lead-Cooled Fast Reactor (LFR) at 4%, High-Temperature Gas-Cooled Reactor (HTGR) at 5%, Molten Salt Reactor (MSR) at 6%, and Others (Heat-Pipe-Cooled) at 7%.

Top 10 Trends in the Europe Small Modular Reactor Market

Increased focus on modular design

Modular design principles are gaining traction, allowing companies to build smaller, more adaptable reactors. This approach enhances flexibility and reduces construction times, facilitating quicker deployments and responses to energy demands.

Advancements in safety features

Innovations in safety technologies are transforming small modular reactors. Enhanced systems ensure higher safety standards, addressing regulatory requirements and increasing operator confidence, which is crucial for market acceptance.

Integration with renewable energy sources

Small modular reactors are being designed to work alongside renewable energy sources. This integration aids in stabilizing energy supply and complements intermittent renewable generation, making nuclear a more attractive option for energy portfolios.

Government incentives and regulatory support

Support from governmental bodies plays an important role in the growth of the small modular reactor market. Incentives and favorable regulations encourage investment and innovation, driving industry development.

Public-private partnerships

Public-private partnerships are becoming essential in funding and developing small modular reactors. Collaborations leverage resources and expertise, accelerating technological advancements and improving project viability in the market.

Focus on sustainability and low emissions

With an increasing emphasis on sustainability, small modular reactors are positioned as a low-emission alternative to traditional energy sources. Their ability to provide clean energy aligns with global carbon reduction goals.

Decentralized energy generation

The trend towards decentralized energy generation is influencing the deployment of small modular reactors. These reactors can be situated closer to consumption sites, reducing transmission losses and enhancing energy accessibility.

Growth in hydrogen production initiatives

Small modular reactors are being explored for hydrogen production, supporting the transition to a hydrogen economy. Their ability to provide a consistent energy supply for electrolysis processes aligns with future energy strategies.

Technological innovation in reactor design

Continuous technological advancements enhance the performance and efficiency of small modular reactors. Innovations in reactor design contribute to operational efficiency and economic viability, attracting more interest from stakeholders.

Increased international collaboration

International cooperation is strengthening the small modular reactor market. Collaborative efforts among countries boost knowledge-sharing and resource allocation, fostering a conducive environment for innovation and growth.

Top 25 Companies in the Europe Small Modular Reactor Market

1. Rolls-Royce SMR Limited

Headquarters: London, United Kingdom · Founded: 2021. Rolls-Royce SMR Limited focuses on the development and deployment of small modular reactors, aiming to provide clean and reliable nuclear power. The company's innovative reactor designs prioritize safety, efficiency, and reduced construction times, making them an attractive option for meeting energy demands.

The company emphasizes collaboration with government entities and private sector partners to drive advancements in nuclear technology. Their approach combines engineering expertise with a commitment to sustainability, aligning with global efforts to transition to low-carbon energy sources.

2. GE Vernova Hitachi Nuclear Energy

Headquarters: Birrr, Switzerland · Founded: 2021. GE Vernova Hitachi Nuclear Energy specializes in diverse nuclear technologies, including small modular reactors. The company leverages its extensive experience in the energy sector to develop solutions that enhance efficiency and safety in nuclear power generation.

With a focus on innovation and sustainability, GE Vernova Hitachi Nuclear Energy is committed to delivering advanced reactor designs that meet evolving energy needs. Their collaborative projects with international partners aim to accelerate the deployment of small modular reactors across Europe.

3. Fluor Corporation

Headquarters: Irving, United States · Founded: 1912. Fluor Corporation is recognized for its strong capabilities in engineering, procurement, and construction management. The company plays a key role in the small modular reactor sector by providing services that enhance project delivery and execution efficiency.

Fluor’s extensive experience in the nuclear industry allows it to contribute effectively to the development of small modular reactors. They focus on delivering innovative solutions that address safety, cost, and schedule challenges in the construction and operation of nuclear facilities.

4. NUWARD SAS

Headquarters: Paris, France · Founded: 2020. NUWARD SAS is dedicated to developing small modular reactors as part of France's nuclear strategy. The company aims to provide flexible and scalable nuclear solutions that align with national energy goals.

NUWARD SAS emphasizes safety and sustainability in its reactor designs, focusing on minimizing environmental impacts while ensuring reliable energy production. Their innovative approach positions them as a key player in the European small modular reactor market.

5. Holtec International

Headquarters: Camden, New Jersey, United States · Founded: 1986. Holtec International is known for its advanced technologies in the nuclear sector, including small modular reactors. The company provides equipment and services that enhance the safety and efficiency of nuclear power generation.

Holtec's commitment to innovation drives their development of compact and efficient reactor designs. Their focus on integrating renewable energy solutions with traditional nuclear technologies caters to a diverse energy market.

6. NuScale Power Corporation

Headquarters: Portland, United States · Founded: 2007. NuScale Power Corporation is a pioneer in small modular reactor technology, offering scalable and flexible solutions for energy generation. The company’s innovative designs prioritize safety and operational efficiency.

NuScale’s reactors are designed to be deployed in a variety of applications, providing reliable power while reducing carbon emissions. Their commitment to advancing nuclear technology positions them as a key contributor to the European small modular reactor landscape.

7. X-Energy, Inc.

Headquarters: Rockville, United States · Founded: 2009. X-Energy, Inc. focuses on the development of advanced small modular reactors that utilize high-temperature gas-cooled technology. Their reactors aim to enhance safety and operational flexibility.

X-Energy emphasizes a sustainable approach to nuclear energy, developing technologies that support low-carbon power generation. Their innovative reactor designs address the growing need for reliable and clean energy solutions.

8. OTRERA New Energy

Headquarters: Paris, France · Founded: 2020. OTRERA New Energy is committed to advancing small modular reactor technology in Europe. The company focuses on innovative designs that promote efficiency and safety in nuclear energy production.

OTRERA’s approach emphasizes collaborative efforts with industry stakeholders to accelerate the deployment of small modular reactors. Their dedication to sustainability aligns with the broader goals of reducing carbon emissions in energy generation.

9. Westinghouse Electric Company LLC

Headquarters: Cranberry Township, United States · Founded: 1886. Westinghouse Electric Company LLC is a historic leader in the nuclear energy sector, contributing to the development of small modular reactor technologies. The company focuses on delivering advanced solutions that enhance the safety and efficiency of nuclear power generation.

Westinghouse's extensive experience in the nuclear field supports its commitment to innovation and sustainability. The company collaborates with international partners to drive advancements in reactor technologies and expand the global nuclear market.

10. HEXANA

Founded: Not disclosed. HEXANA specializes in the development of small modular reactors, focusing on innovative solutions to meet energy demands. The company aims to provide efficient and safe nuclear technologies to support a sustainable energy future.

HEXANA's approach combines advanced engineering with a commitment to environmental responsibility. Their emphasis on safety features and operational efficiency positions them as a notable player in the small modular reactor market.

11. Blykalla AB

Headquarters: Stockholm, Sweden · Founded: 2018. Blykalla AB is focused on developing small modular reactor technologies that cater to local energy needs. The company aims to provide scalable and adaptable energy solutions for various applications.

Blykalla emphasizes safety and sustainability in its designs, aligning with global energy priorities. Their commitment to innovative reactor technology reinforces their position in the European small modular reactor landscape.

12. General Atomics

Headquarters: San Diego, United States · Founded: 1955. General Atomics has a long history in nuclear technology and is exploring opportunities in the small modular reactor market. The company focuses on advanced reactor designs that prioritize safety and efficiency.

General Atomics aims to contribute to the global nuclear landscape by developing innovative solutions that support sustainable energy generation while meeting regulatory standards.

13. Thorizon

Founded: Not disclosed. Thorizon is dedicated to the development of small modular reactors, emphasizing innovative designs that enhance operational efficiency and safety. The company's approach revolves around meeting the diverse energy needs of various sectors.

Thorizon focuses on sustainability and low-emission technologies, aligning its objectives with global efforts to transition to cleaner energy sources. Their commitment to advancing small modular reactor technology supports the industry's growth.

14. Stellaria

Founded: Not disclosed. Stellaria is engaged in developing small modular reactor technologies, focusing on innovative solutions that cater to energy demands. The company seeks to provide efficient and reliable nuclear power options.

Stellaria’s emphasis on safety features and environmental responsibility positions it as a significant contributor to the small modular reactor market. Their commitment to advancing nuclear energy aligns with global sustainability goals.

15. Jimmy Energy

Founded: Not disclosed. Jimmy Energy specializes in the development of small modular reactors, aiming to enhance energy generation capabilities through innovation and efficiency.

The company focuses on integrating advanced technologies in its reactor designs to ensure safety and operational flexibility. Jimmy Energy’s dedication to sustainable energy solutions positions it favorably in the evolving energy market.

16. Calogena

Founded: Not disclosed. Calogena is committed to advancing small modular reactor technology, focusing on innovative designs that support efficient energy production. The company aims to address the growing demand for reliable and sustainable nuclear power.

Calogena’s emphasis on safety and environmental responsibility underlines its commitment to supporting a clean energy future. Their approach to reactor development aligns with global trends in energy innovation.

17. Last Energy

Founded: Not disclosed. Last Energy is engaged in the development of small modular reactors, focusing on flexible and adaptable designs to meet diverse energy requirements.

The company prioritizes safety and efficiency in its reactor technologies, aiming to provide sustainable energy solutions. Last Energy’s commitment to innovation positions it as a noteworthy player in the small modular reactor sector.

18. Copenhagen Atomics A/S

Headquarters: Copenhagen, Denmark · Founded: 2014. Copenhagen Atomics A/S specializes in the development of advanced small modular reactors, focusing on sustainable energy production. The company’s innovative designs aim to minimize environmental impacts while ensuring reliable power generation.

Copenhagen Atomics’ commitment to safety and efficiency drives its approach to reactor technology. By integrating cutting-edge solutions, the company aims to support the global transition to clean energy.

19. Saltfoss Energy

Founded: Not disclosed. Saltfoss Energy is focused on developing small modular reactors to provide innovative energy solutions. The company aims to enhance the efficiency and safety of nuclear power generation.

Saltfoss Energy's commitment to sustainable technologies underscores its role in the small modular reactor market. Their emphasis on safety and operational flexibility aligns with global energy goals.

20. MoltexFLEX Limited

Founded: Not disclosed. MoltexFLEX Limited specializes in developing small modular reactors with a focus on innovative designs that enhance safety and efficiency.

The company aims to provide scalable energy solutions that meet diverse energy demands. MoltexFLEX’s approach aligns with the growing emphasis on sustainability and low-emission technologies in the energy sector.

21. ORLEN Synthos Green Energy Sp. z o.o.

Founded: Not disclosed. ORLEN Synthos Green Energy Sp. z o.o. is engaged in the development of small modular reactors, focusing on innovative technologies that cater to energy needs.

The company aims to provide efficient and sustainable nuclear power solutions, contributing to the transition towards cleaner energy sources. Their commitment to safety and operational efficiency positions them well within the market.

22. Fermi Energia AS

Headquarters: Tallinn, Estonia · Founded: 2020. Fermi Energia AS is dedicated to advancing small modular reactor technology in Estonia. The company focuses on providing safe and efficient nuclear solutions to meet growing energy demands.

Fermi Energia emphasizes sustainability and regulatory compliance in its reactor designs. Their focus on innovation supports the broader transition to clean energy and enhances public acceptance of nuclear energy.

23. Studsvik

Headquarters: Nyköping, Sweden · Founded: 1947. Studsvik is a prominent player in the nuclear industry, offering a range of services related to small modular reactors. The company provides solutions that enhance the safety and efficiency of nuclear power generation.

Studsvik’s experience in the nuclear sector supports its commitment to innovation and sustainability. The company collaborates with various stakeholders to drive advancements in small modular reactor technologies.

24. S.N. Nuclearelectrica S.A.

Headquarters: Bucharest, Romania · Founded: 1998. S.N. Nuclearelectrica S.A. is engaged in the development of nuclear energy solutions, including small modular reactors. The company focuses on providing clean and reliable energy to support Romania's energy needs.

S.N. Nuclearelectrica emphasizes safety and efficiency in its operations, aligning with national and international energy goals. Their commitment to sustainable practices reinforces their position in the nuclear energy sector.

25. Tractebel

Headquarters: Brussels, Belgium · Founded: 1862. Tractebel is a leading engineering consultancy specializing in energy and infrastructure projects, including small modular reactors. The company focuses on providing innovative solutions that address the challenges of energy transition.

Tractebel's expertise in engineering and technology supports the development of safe and efficient nuclear power solutions. Their commitment to sustainability aligns with global efforts to enhance energy production while reducing environmental impacts.

Conclusion

The Europe Small Modular Reactor market is poised for significant growth, with a projected increase in size from USD 1,536.2 Million in 2025 to USD 2,562.4 Million by 2033. This upward trajectory underscores the importance of small modular reactors in Europe’s energy landscape and reflects the rising demand for clean and reliable energy solutions.

The list of companies in this market highlights the diversity of approaches and technologies being developed. As these Europe Small Modular Reactor companies push the boundaries of innovation, they contribute to a sustainable energy future while addressing the challenges of energy security and climate change.

Tags

Small Modular ReactorsNuclear EnergyClean EnergyInnovationEnergy Solutions

About the Authors

UTKARSH KHIRODKAR

UTKARSH KHIRODKAR

LEAD ANALYST

Utkarsh Khirodkar is a Lead Market Research Analyst at MetaStat Insight, specializing in market intelligence, technology sector assessments, and competitive strategy.

VIJAY GUNTI

VIJAY GUNTI

PRINCIPAL CONSULTANT - ENTERPRISE AI & EMERGING TECHNOLOGIES

Banking & Finance · Electronics and Semiconductor · Energy and Power · Healthcare IT · Information & Technology · Professional Services

Vijay Gunti is a Principal Consultant at MetaStat Insight, bringing over two decades of experience across enterprise digital transformation, technology strategy, and intelligent systems.

SAURABH GANVIR

SAURABH GANVIR

ENERGY & INFRASTRUCTURE INDUSTRY CONSULTANT

Automotive and Transportation · Electronics and Semiconductor · Energy and Power · Machinery & Equipment

Saurabh Vasant Ganvir consults for Energy & Infrastructure Industry at MetaStat Insight, specializing in renewable energy, solar EPC, and electric vehicle (EV) infrastructure markets.