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    Small Modular Reactor Market

    ID: MRFR/E&P/21953-HCR
    128 Pages
    Priya Nagrale
    October 2025

    Small Modular Reactor Market Research Report By Reactor Type (Pressurized Water Reactor, Boiling Water Reactor, High-Temperature Gas-Cooled Reactor, Sodium-Cooled Fast Reactor, Other Reactor Types), By Output Capacity (100 MWe, 100-300 MWe, 300-600 MWe, >600 MWe), By Design (Integral Design, Modular Design, Scalable Design, Other Designs), By Fuel Type (Enriched Uranium, Natural Uranium, Thorium, Other Fuel Types), By Application (Electricity Generation, Cogeneration, Desalination, Hydrogen Production, Other Applications) and By Regional...

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    Small Modular Reactor Market Infographic
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    Small Modular Reactor Market Summary

    As per MRFR analysis, the Small Modular Reactor Market Size was estimated at 8.661 USD Billion in 2024. The Small Modular Reactor industry is projected to grow from 11.06 USD Billion in 2025 to 127.46 USD Billion by 2035, exhibiting a compound annual growth rate (CAGR) of 27.69 during the forecast period 2025 - 2035.

    Key Market Trends & Highlights

    The Small Modular Reactor Market is poised for substantial growth driven by technological advancements and supportive regulatory frameworks.

    • North America remains the largest market for small modular reactors, driven by increasing energy demands and regulatory support.
    • The Asia-Pacific region is emerging as the fastest-growing market, reflecting a shift towards innovative energy solutions and decarbonization efforts.
    • Pressurized Water Reactors dominate the market, while Boiling Water Reactors are gaining traction due to their rapid deployment capabilities.
    • Rising energy demand and decarbonization initiatives are key drivers propelling the growth of small modular reactors in both established and emerging markets.

    Market Size & Forecast

    2024 Market Size 8.661 (USD Billion)
    2035 Market Size 127.46 (USD Billion)
    CAGR (2025 - 2035) 27.69%

    Major Players

    NuScale Power (US), Rolls-Royce (GB), TerraPower (US), X-energy (US), Westinghouse Electric Company (US), General Electric (US), KAERI (KR), Candu Energy (CA), Mitsubishi Heavy Industries (JP)

    Small Modular Reactor Market Trends

    The Small Modular Reactor Market is currently experiencing a transformative phase, characterized by a growing interest in sustainable energy solutions. This shift is largely driven by the increasing demand for low-carbon energy sources and the need for energy security. As nations strive to meet their climate goals, small modular reactors are emerging as a viable alternative to traditional large-scale nuclear power plants. Their modular design allows for enhanced safety features, reduced construction times, and lower initial capital investment, making them an attractive option for both developed and developing countries. Furthermore, the integration of advanced technologies in reactor design is likely to enhance operational efficiency and reliability, thereby fostering greater public acceptance and regulatory support. In addition to technological advancements, the Small Modular Reactor Market is influenced by evolving regulatory frameworks and public perception. Governments are increasingly recognizing the potential of small modular reactors to contribute to energy diversification and grid stability. This recognition is accompanied by initiatives aimed at streamlining the licensing process, which could facilitate faster deployment of these reactors. Moreover, as the global energy landscape continues to evolve, the collaboration between private and public sectors appears to be strengthening, potentially leading to innovative financing models and partnerships. Overall, the Small Modular Reactor Market seems poised for substantial growth, driven by a confluence of technological, regulatory, and societal factors that favor the adoption of this promising energy solution.

    Technological Advancements

    The Small Modular Reactor Market is witnessing rapid technological innovations that enhance reactor safety and efficiency. These advancements include improved fuel designs and enhanced cooling systems, which may lead to more reliable operations and reduced risks. As technology evolves, the potential for integrating renewable energy sources with small modular reactors also emerges, creating a more versatile energy solution.

    Regulatory Support

    Regulatory frameworks are adapting to accommodate the unique characteristics of small modular reactors. Governments are increasingly recognizing the need for streamlined licensing processes, which could expedite the deployment of these reactors. This regulatory support is crucial for fostering investor confidence and encouraging the development of new projects in the Small Modular Reactor Market.

    Public Perception and Acceptance

    Public perception of nuclear energy is gradually shifting, with small modular reactors being viewed more favorably due to their inherent safety features and lower environmental impact. As communities become more aware of the benefits associated with these reactors, including job creation and energy independence, acceptance is likely to grow, further driving market expansion.

    The Global Small Modular Reactor Market is poised to revolutionize energy production by offering flexible, scalable, and safer nuclear solutions that align with contemporary energy demands and sustainability goals.

    U.S. Department of Energy

    Small Modular Reactor Market Drivers

    Rising Energy Demand

    The increasing The Small Modular Reactor Industry. As populations grow and economies expand, the need for reliable and sustainable energy sources intensifies. According to recent estimates, energy consumption is projected to rise by approximately 30 percent by 2040. This surge necessitates innovative solutions, and small modular reactors, with their ability to provide scalable and efficient power, emerge as a viable option. Their modular design allows for incremental deployment, aligning with the fluctuating energy needs of various regions. Consequently, the Small Modular Reactor Market is likely to experience substantial growth as nations seek to meet their energy requirements while minimizing environmental impact.

    Regulatory Frameworks

    The establishment of supportive regulatory frameworks is a significant driver for the Small Modular Reactor Market. Governments are recognizing the need for clear and efficient regulations to facilitate the deployment of small modular reactors. These frameworks aim to streamline the licensing process, ensuring that safety and environmental standards are met without unnecessary delays. Countries that have implemented favorable regulatory environments are witnessing increased interest from investors and developers in small modular reactor projects. This trend indicates that as more nations adopt supportive policies, the Small Modular Reactor Market is poised for expansion, attracting both public and private sector investments.

    Energy Security Concerns

    Energy security remains a paramount concern for many nations, driving interest in the Small Modular Reactor Market. The geopolitical landscape and fluctuating fossil fuel prices have prompted countries to seek energy independence and diversification of their energy portfolios. Small modular reactors provide a stable and secure energy source, reducing reliance on imported fuels. Their ability to be deployed in remote locations further enhances energy security, particularly for regions with limited access to traditional energy infrastructure. As nations prioritize energy resilience, the Small Modular Reactor Market is likely to benefit from increased investments and development initiatives aimed at bolstering energy security.

    Technological Innovations

    Technological advancements play a crucial role in shaping the Small Modular Reactor Market. Innovations in reactor design, safety features, and operational efficiency are enhancing the attractiveness of small modular reactors. For instance, advancements in passive safety systems and advanced materials are improving the reliability and safety of these reactors. Furthermore, the integration of digital technologies, such as artificial intelligence and data analytics, is optimizing reactor operations and maintenance. As these technologies continue to evolve, they are likely to reduce costs and improve the overall performance of small modular reactors. This ongoing innovation suggests a robust growth trajectory for the Small Modular Reactor Market, as stakeholders seek to leverage cutting-edge technologies.

    Decarbonization Initiatives

    The Small Modular Reactor Industry. Governments and organizations are increasingly committing to reducing greenhouse gas emissions, with many aiming for net-zero targets by mid-century. Small modular reactors offer a low-carbon alternative to traditional fossil fuel-based power generation. Their ability to integrate with renewable energy sources enhances their appeal in a decarbonized energy landscape. As countries implement policies to phase out coal and other high-emission energy sources, the demand for clean energy solutions, including small modular reactors, is expected to rise. This trend indicates a promising future for the Small Modular Reactor Market as it aligns with global sustainability goals.

    Market Segment Insights

    By Reactor Type: Pressurized Water Reactor (Largest) vs. Boiling Water Reactor (Fastest-Growing)

    The Small Modular Reactor market showcases a diverse range of reactor types, with the Pressurized Water Reactor (PWR) holding the largest share due to its established technology and widespread utilization in the nuclear power industry. It is followed by the Boiling Water Reactor (BWR), which, although smaller in share, is quickly gaining traction due to its efficiency and advancements in design that cater to modern energy demands. Other reactor types include High Temperature Gas-Cooled Reactors (HTGR), Sodium-Cooled Fast Reactors (SFR), and miscellaneous designs, each contributing to the growing portfolio of modular reactor options.

    Reactor Type: Pressurized Water Reactor (Dominant) vs. Boiling Water Reactor (Emerging)

    The Pressurized Water Reactor (PWR) remains a dominant force in the Small Modular Reactor market as it benefits from decades of operational experience and a reliable safety record. Its closed-loop system maintains water under high pressure, preventing it from boiling, which enhances thermal efficiency. Conversely, the Boiling Water Reactor (BWR) is emerging rapidly due to its simplified design and ability to generate steam directly within the reactor vessel. This direct steam generation increases efficiency and reduces system complexity, making it an attractive option for new developments in small modular technology. Both reactor types play crucial roles within the market, catering to varied energy requirements and regulatory standards.

    By Output Capacity: 100-300 MWe (Largest) vs. 300-600 MWe (Fastest-Growing)

    In the Small Modular Reactor (SMR) market, the distribution of output capacities reveals significant insights into the preferences of operators and developers. The segment of 100-300 MWe holds the largest market share, as it balances compact size and operational efficiency. This capacity range caters to varied energy demands across commercial and industrial applications, making it a favored choice among stakeholders. In contrast, the 300-600 MWe category, while smaller in current share, has emerged as the fastest-growing segment. This growth is driven by increasing interest in higher output capacities that can still benefit from the modular design of SMRs, allowing for flexibility and scalability.

    100-300 MWe (Dominant) vs. >600 MWe (Emerging)

    The 100-300 MWe output capacity is currently the dominant segment within the Small Modular Reactor market, representing a sweet spot for energy providers seeking efficiency and practicality. This capacity range is ideal for smaller grid applications and can effectively support diverse energy needs without overcommitting resources. In contrast, the >600 MWe category represents an emerging segment that showcases potential for larger footprints while maintaining the advantages of modular reactor technology. This category is especially appealing for larger industrial applications and regions with significant energy demands looking to transition towards more sustainable energy sources.

    By Design: Integral Design (Largest) vs. Modular Design (Fastest-Growing)

    In the Small Modular Reactor Market, the Integral Design segment commands a substantial market share, reflecting its established technology and acceptance within the industry. Its compact and self-contained features make it suitable for various applications, resulting in widespread adoption. On the other hand, the Modular Design segment is gaining traction, as it offers flexibility and adaptability in construction, allowing for rapid deployment and scalability, which appeals to new market entrants and those seeking innovative solutions.

    Design: Integral (Dominant) vs. Modular (Emerging)

    The Integral Design segment remains the dominant force in the Small Modular Reactor Market, characterized by its all-in-one solution that enhances safety and simplifies operations. This design minimizes risks associated with heat transfer and waste management, making it attractive for regulatory bodies and investors alike. Conversely, Modular Design is emerging as a viable option due to its modularization principle that allows for factory-based construction and on-site assembly. This capability not only reduces construction time but also enhances the ability to tailor designs based on specific regional needs, making it particularly appealing in developing markets.

    By Fuel Type: Enriched Uranium (Largest) vs. Thorium (Fastest-Growing)

    In the Small Modular Reactor (SMR) market, the distribution of fuel types reveals that Enriched Uranium holds the largest share due to its established infrastructure and historical precedence in nuclear energy. Natural Uranium, while significant, tends to be overshadowed by enriched variants, whereas Thorium, considered an emerging alternative, is gaining traction due to its potential for safer and more efficient reactor designs. Other fuel types, although present, occupy a minor share in comparison. These dynamics highlight the existing preferences and innovations within the fuel supply chain for SMRs.

    Enriched Uranium (Dominant) vs. Thorium (Emerging)

    Enriched Uranium remains the dominant fuel type in the Small Modular Reactor market, largely because of its long-standing use in traditional nuclear reactors and the extensive supply chain that supports its deployment. The technology is well-understood by operators, and the regulatory framework is well-established, enhancing its appeal among developers. In contrast, Thorium is regarded as an emerging fuel type, offering new perspectives with its potential to generate cleaner energy with reduced nuclear waste. Its fast-growing interest is driven by advancements in reactor technologies that can effectively utilize Thorium, as well as the global push towards more sustainable energy sources. This duality in fuel types illustrates the SMR market's evolving landscape, where traditional fuels face competition from innovative alternatives.

    By Application: Electricity Generation (Largest) vs. Hydrogen Production (Fastest-Growing)

    The Small Modular Reactor Market exhibits a diverse application landscape, with Electricity Generation taking the lead due to its established demand for reliable and sustainable energy sources. This segment caters to traditional power generation needs, leveraging advanced nuclear technologies to meet the increasing energy requirements globally. In contrast, segments like Cogeneration and Desalination are also significant but occupy smaller shares relative to Electricity Generation, with each catering to specific regional demands and applications.

    Electricity Generation (Dominant) vs. Hydrogen Production (Emerging)

    Electricity Generation stands as the dominant application within the Small Modular Reactor Market, primarily driven by the growing need for stable and low-carbon energy sources. The segment benefits from technological advancements and regulatory support aimed at reducing carbon emissions. Hydrogen Production, recognized as an emerging application, is gaining traction as industries pivot towards cleaner fuels and energy sources. The shift towards hydrogen as a key component of energy systems is supported by increasing investments and innovations in SMR technology, positioning it as a future growth driver predicated on sustainability and energy security.

    Get more detailed insights about Small Modular Reactor Market

    Regional Insights

    North America : Nuclear Innovation Leader

    North America is the largest market for Small Modular Reactors (SMRs), holding approximately 50% of the global market share. The region's growth is driven by increasing energy demands, regulatory support, and a shift towards cleaner energy sources. The U.S. government has implemented favorable policies to promote nuclear energy, including funding for research and development of SMRs, which are seen as a key solution for sustainable energy production. The competitive landscape in North America is robust, with key players such as NuScale Power, TerraPower, and Westinghouse Electric Company leading the charge. These companies are actively developing innovative SMR technologies, supported by significant investments and partnerships. The presence of established nuclear infrastructure and a skilled workforce further enhances the region's position as a leader in the SMR market.

    Europe : Emerging Nuclear Market

    Europe is witnessing a significant rise in the Small Modular Reactor (SMR) market, holding around 30% of the global share. The region's growth is propelled by stringent climate goals and the need for energy security. Countries like the UK and France are at the forefront, with regulatory bodies actively promoting SMR development as part of their energy transition strategies. The European Commission has emphasized the importance of nuclear energy in achieving carbon neutrality by 2050, creating a favorable regulatory environment for SMRs. Leading countries in Europe include the UK, France, and Germany, with key players such as Rolls-Royce and EDF spearheading SMR initiatives. The competitive landscape is characterized by collaborations between governments and private sectors, focusing on innovative designs and safety enhancements. The European market is also seeing increased investment in research and development, positioning it as a vital player in the global SMR landscape.

    Asia-Pacific : Rapidly Growing Energy Sector

    Asia-Pacific is emerging as a significant player in the Small Modular Reactor (SMR) market, accounting for approximately 15% of the global share. The region's growth is driven by rising energy demands, urbanization, and a shift towards low-carbon energy sources. Countries like China and South Korea are investing heavily in SMR technology, supported by government initiatives aimed at enhancing energy security and reducing greenhouse gas emissions. The regulatory landscape is evolving, with a focus on safety and sustainability. China is leading the charge in SMR development, with companies like KAERI and Mitsubishi Heavy Industries actively working on innovative reactor designs. The competitive landscape is marked by collaborations between public and private sectors, fostering technological advancements. As the region continues to prioritize nuclear energy, the potential for market expansion in SMRs is substantial, positioning Asia-Pacific as a key player in the global energy transition.

    Middle East and Africa : Emerging Energy Solutions

    The Middle East and Africa region is gradually entering the Small Modular Reactor (SMR) market, currently holding about 5% of the global share. The growth is driven by increasing energy demands and the need for sustainable energy solutions. Countries like the United Arab Emirates are leading the way, with significant investments in nuclear energy as part of their long-term energy strategies. The regulatory environment is becoming more favorable, with governments recognizing the role of nuclear energy in achieving energy security and sustainability. In this region, the competitive landscape is still developing, with a focus on establishing partnerships and collaborations to enhance nuclear capabilities. Key players are beginning to emerge, and there is a growing interest in SMR technology as a viable solution for energy challenges. As the region continues to explore nuclear options, the potential for growth in the SMR market is promising, paving the way for future developments.

    Key Players and Competitive Insights

    The Small Modular Reactor (SMR) market is currently characterized by a dynamic competitive landscape, driven by the increasing demand for clean energy solutions and the need for energy security. Key players such as NuScale Power (US), Rolls-Royce (GB), and TerraPower (US) are at the forefront, each adopting distinct strategies to enhance their market positioning. NuScale Power (US) focuses on innovation through its advanced SMR designs, aiming to provide scalable and flexible nuclear solutions. Meanwhile, Rolls-Royce (GB) emphasizes partnerships and collaborations, particularly in the UK, to bolster its manufacturing capabilities and expedite project timelines. TerraPower (US) is leveraging its technological advancements in nuclear energy to address sustainability challenges, positioning itself as a leader in next-generation reactor designs. Collectively, these strategies contribute to a competitive environment that is increasingly oriented towards innovation and sustainability.

    In terms of business tactics, companies are localizing manufacturing and optimizing supply chains to enhance operational efficiency. The SMR market appears moderately fragmented, with several players vying for market share. However, the influence of key players is substantial, as they drive technological advancements and set industry standards. The collective efforts of these companies not only shape market dynamics but also foster a collaborative environment that encourages innovation and knowledge sharing.

    In August 2025, NuScale Power (US) announced a strategic partnership with a leading energy provider to develop a new SMR project in the Pacific Northwest. This collaboration is expected to accelerate the deployment of NuScale's technology, enhancing its market presence and demonstrating the viability of SMRs in meeting regional energy needs. The partnership underscores the importance of collaboration in overcoming regulatory and technical challenges associated with nuclear energy projects.

    In September 2025, Rolls-Royce (GB) unveiled its plans to establish a new manufacturing facility dedicated to SMR components in the Midlands. This move is anticipated to create jobs and strengthen the supply chain for its SMR projects. By investing in local manufacturing, Rolls-Royce aims to reduce costs and improve project timelines, thereby enhancing its competitive edge in the market. This facility is likely to play a crucial role in supporting the UK’s energy transition goals.

    In October 2025, TerraPower (US) secured a significant investment from a consortium of private investors to advance its Natrium reactor project. This funding will facilitate the development of advanced nuclear technologies and support the commercialization of its innovative reactor design. The investment reflects growing confidence in TerraPower's approach to sustainable nuclear energy and positions the company favorably in the evolving energy landscape.

    As of October 2025, the SMR market is witnessing trends such as digitalization, sustainability, and the integration of artificial intelligence in reactor design and operations. Strategic alliances are increasingly shaping the competitive landscape, enabling companies to pool resources and expertise. Looking ahead, competitive differentiation is likely to evolve from traditional price-based competition to a focus on innovation, technological advancements, and supply chain reliability. This shift may redefine how companies position themselves in the market, emphasizing the importance of sustainable practices and cutting-edge technology.

    Key Companies in the Small Modular Reactor Market market include

    Industry Developments

    The global small modular reactor (SMR) market is anticipated to witness a robust growth trajectory over the coming years. In 2023, the market was valued at approximately USD 5.32 billion and is projected to reach a valuation of USD 48.0 billion by 2032, exhibiting a CAGR of 27.69%. This growth is primarily attributed to the increasing demand for clean and reliable energy sources, rising concerns over climate change, and supportive government policies.

    In 2023, NuScale Power received approval from the U.S. Nuclear Regulatory Commission (NRC) for its SMR design. This marked a significant milestone in the development of SMR technology, paving the way for the construction and deployment of SMRs in the United States.

    Additionally, several other countries, including the United Kingdom, Canada, and China, are actively pursuing SMR development and deployment. These efforts are expected to drive market growth in the coming years.

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    Future Outlook

    Small Modular Reactor Market Future Outlook

    The Small Modular Reactor Market is poised for growth at 27.69% CAGR from 2024 to 2035, driven by increasing energy demands and regulatory support.

    New opportunities lie in:

    • Development of modular reactor designs for remote locations
    • Partnerships with renewable energy firms for hybrid systems
    • Investment in advanced safety technologies for regulatory compliance

    By 2035, the market is expected to be robust, driven by innovation and strategic partnerships.

    Market Segmentation

    Small Modular Reactor Market Design Outlook

    • Integral Design
    • Modular Design
    • Scalable Design
    • Other Designs

    Small Modular Reactor Market Fuel Type Outlook

    • Enriched Uranium
    • Natural Uranium
    • Thorium
    • Other Fuel Types

    Small Modular Reactor Market Application Outlook

    • Electricity Generation
    • Cogeneration
    • Desalination
    • Hydrogen Production
    • Other Applications

    Small Modular Reactor Market Reactor Type Outlook

    • Pressurized Water Reactor
    • Boiling Water Reactor
    • High Temperature Gas-Cooled Reactor
    • Sodium-Cooled Fast Reactor
    • Other Reactor Types

    Small Modular Reactor Market Output Capacity Outlook

    • 100 MWe
    • 100-300 MWe
    • 300-600 MWe
    • >600 MWe

    Report Scope

    MARKET SIZE 20248.661(USD Billion)
    MARKET SIZE 202511.06(USD Billion)
    MARKET SIZE 2035127.46(USD Billion)
    COMPOUND ANNUAL GROWTH RATE (CAGR)27.69% (2024 - 2035)
    REPORT COVERAGERevenue Forecast, Competitive Landscape, Growth Factors, and Trends
    BASE YEAR2024
    Market Forecast Period2025 - 2035
    Historical Data2019 - 2024
    Market Forecast UnitsUSD Billion
    Key Companies ProfiledMarket analysis in progress
    Segments CoveredMarket segmentation analysis in progress
    Key Market OpportunitiesGrowing demand for clean energy solutions drives innovation in the Small Modular Reactor Market.
    Key Market DynamicsRising regulatory support and technological advancements drive the adoption of Small Modular Reactors in energy markets.
    Countries CoveredNorth America, Europe, APAC, South America, MEA

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    FAQs

    What is the current valuation of the Small Modular Reactor Market?

    The Small Modular Reactor Market was valued at 8.661 USD Billion in 2024.

    What is the projected market size for the Small Modular Reactor Market by 2035?

    The market is projected to reach 127.46 USD Billion by 2035.

    What is the expected CAGR for the Small Modular Reactor Market during the forecast period 2025 - 2035?

    The expected CAGR for the Small Modular Reactor Market is 27.69% from 2025 to 2035.

    Which reactor type holds the largest market share in terms of valuation?

    The Pressurized Water Reactor segment holds the largest market share, valued at 54.0 USD Billion.

    What are the key players in the Small Modular Reactor Market?

    Key players include NuScale Power, Rolls-Royce, TerraPower, and Westinghouse Electric Company.

    How does the Modular Design segment perform in the market?

    The Modular Design segment is valued at 50.0 USD Billion, indicating strong market performance.

    What is the valuation of the Electricity Generation application segment?

    The Electricity Generation application segment is valued at 54.0 USD Billion.

    Which fuel type is projected to have the highest market valuation?

    The Enriched Uranium fuel type is projected to have the highest valuation at 55.0 USD Billion.

    What is the market valuation for the 100-300 MWe output capacity segment?

    The 100-300 MWe output capacity segment is valued at 40.0 USD Billion.

    What are the future prospects for the Small Modular Reactor Market?

    The market is expected to grow significantly, reaching 127.46 USD Billion by 2035.

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