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    Nuclear Steam Generator Market

    ID: MRFR/E&P/24286-HCR
    128 Pages
    Snehal Singh
    September 2025

    Nuclear Steam Generator Market Research Report By Reactor Type (Pressurized Water Reactors (PWRs), Boiling Water Reactors (BWRs), CANDU Reactors, Advanced Gas-cooled Reactors (AGRs), Sodium Fast Reactors (SFRs)), By Material (Alloy 800H, Alloy 690TT, Stainless Steel 316L, Titanium Alloys, Nickel Alloys), By Capacity (Below 500 MW, 500-750 MW, 750-1000 MW, Above 1000 MW), By Design Type (Once-Through Steam Generators (OTSGs), U-Tube Steam Generators (UTSGs), Helical-Coil Steam Generators (HCSGs), Compact Steam Generators (CSGs)), By End User ...

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    Nuclear Steam Generator Market Research Report — Global Forecast till 2034 Infographic
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    Nuclear Steam Generator Market Summary

    The Global Nuclear Steam Generator Market is projected to grow from 4.45 USD Billion in 2024 to 7.32 USD Billion by 2035.

    Key Market Trends & Highlights

    Nuclear Steam Generator Key Trends and Highlights

    • The market is expected to experience a compound annual growth rate of 4.63 percent from 2025 to 2035.
    • By 2035, the market valuation is anticipated to reach 7.32 USD Billion, indicating robust growth.
    • In 2024, the market is valued at 4.45 USD Billion, laying a strong foundation for future expansion.
    • Growing adoption of nuclear energy due to increasing demand for clean energy is a major market driver.

    Market Size & Forecast

    2024 Market Size 4.45 (USD Billion)
    2035 Market Size 7.32 (USD Billion)
    CAGR (2025-2035) 4.63%

    Major Players

    Babcock & Wilcox, GE Steam Power, Mitsubishi Heavy Industries, Doosan Heavy Industries Construction, Hyundai Heavy Industries, IHI Corporation, Framatome, Toshiba Energy Systems Solutions, AREVA NP, China National Nuclear Corporation, GE Power, Westinghouse Electric Company, Bechtel, NuScale Power, Korea Electric Power Corporation

    Nuclear Steam Generator Market Trends

    Recent trends indicate a shift towards smaller, modular nuclear reactors that are more flexible and cost-effective. The development of advanced materials and fabrication technologies is enabling the production of NSG components with higher performance and durability. The market is also witnessing increased collaboration between NSG manufacturers and energy providers to optimize system design and integration, ensuring the provision of reliable and cost-efficient energy solutions

    The ongoing advancements in nuclear steam generator technology appear to enhance efficiency and safety, potentially positioning nuclear energy as a more viable option in the global energy landscape.

    U.S. Department of Energy

    Nuclear Steam Generator Market Drivers

    Growing Energy Demand

    The Global Nuclear Steam Generator Market Industry is experiencing a surge in demand for energy, driven by increasing global population and industrialization. As countries strive to meet energy needs sustainably, nuclear power emerges as a viable solution. In 2024, the market is valued at approximately 4.45 USD Billion, reflecting a growing reliance on nuclear energy. This trend is expected to continue, with projections indicating a market value of 7.32 USD Billion by 2035. The anticipated compound annual growth rate of 4.63% from 2025 to 2035 underscores the industry's potential to address energy shortages while minimizing carbon emissions.

    Focus on Carbon Neutrality

    As nations commit to achieving carbon neutrality, the Global Nuclear Steam Generator Market Industry is positioned to play a crucial role in this transition. Nuclear power is recognized for its low greenhouse gas emissions, making it an attractive alternative to fossil fuels. Countries are increasingly investing in nuclear technology to reduce their carbon footprints while ensuring a stable energy supply. The emphasis on clean energy sources is likely to drive demand for nuclear steam generators, as they are integral to the operation of nuclear power plants. This shift towards sustainability is expected to significantly impact market dynamics in the coming decade.

    Technological Advancements

    Technological innovations play a pivotal role in the Global Nuclear Steam Generator Market Industry, enhancing efficiency and safety in nuclear power generation. Advances in materials science and engineering have led to the development of more resilient steam generators, which can withstand higher pressures and temperatures. These improvements not only extend the lifespan of existing facilities but also reduce operational costs. Furthermore, the integration of digital technologies and automation in monitoring systems enhances operational reliability. As these technologies evolve, they are likely to attract investments, thereby propelling market growth and ensuring that nuclear energy remains a competitive option in the global energy landscape.

    Market Trends and Projections

    The Global Nuclear Steam Generator Market Industry is poised for growth, with projections indicating a market value of 7.32 USD Billion by 2035. The anticipated compound annual growth rate of 4.63% from 2025 to 2035 suggests a robust expansion trajectory. Key trends influencing this growth include the increasing adoption of advanced nuclear technologies, heightened focus on sustainability, and supportive regulatory frameworks. As countries worldwide prioritize energy diversification and carbon reduction, the nuclear steam generator market is likely to benefit from increased investments and innovations, positioning it as a vital component of the global energy landscape.

    Global Energy Security Concerns

    The Global Nuclear Steam Generator Market Industry is influenced by rising concerns over energy security and geopolitical tensions. As nations seek to diversify their energy sources and reduce dependence on fossil fuels, nuclear energy emerges as a strategic option. The stability and reliability of nuclear power can mitigate the risks associated with fluctuating oil and gas prices. Furthermore, countries are increasingly investing in nuclear technology to enhance their energy independence. This focus on energy security is likely to drive growth in the nuclear steam generator market, as governments prioritize investments in infrastructure that supports nuclear energy generation.

    Regulatory Support and Policies

    The Global Nuclear Steam Generator Market Industry benefits from supportive regulatory frameworks and policies aimed at promoting nuclear energy as a clean power source. Governments worldwide are increasingly recognizing the importance of nuclear energy in achieving climate goals and energy security. Initiatives to streamline licensing processes and provide financial incentives for nuclear projects are becoming more prevalent. For instance, various countries are implementing policies that encourage the construction of new reactors and the modernization of existing facilities. This regulatory support is expected to foster a conducive environment for investment, thereby contributing to the growth of the market over the coming years.

    Market Segment Insights

    Nuclear Steam Generator Market Reactor Type Insights

    The Global Nuclear Steam Generator Market is segmented based on the type of reactor used, including Pressurized Water Reactors, Boiling Water Reactors, CANDU Reactors, Advanced Gas-cooled Reactors, and Sodium Fast Reactors. PWRs are the most common type of nuclear reactor in the world, accounting for over two-thirds of the global nuclear power generation capacity. BWRs are the second most common type of nuclear reactor, accounting for about one-quarter of the global nuclear power generation capacity.

    CANDU reactors are a type of heavy-water moderated reactor that is primarily used in Canada.AGRs are a type of gas-cooled reactor that is primarily used in the United Kingdom. SFRs are a type of liquid-metal cooled reactor that is still under development. The PWR segment is expected to retain its dominance over the forecast period, while the BWR segment will grow at a greater pace than PWRs, the CANDU segment will be stable, the AGR segment will decline slightly, and the SFR segment will grow steadily.

    The growth of the PWR segment is expected to be driven by an increase in the demand for nuclear power in developing countries.

    The growth of the BWR segment is expected to be driven by an increase in the demand for nuclear power in developed countries.The growth of the SFR segment is expected to be driven by an increase in the demand for nuclear power in countries with limited water resources. This is primarily due to the increasing demand for nuclear power, the increasing demand for nuclear steam generators in new nuclear power plants, and the increasing demand for nuclear steam generators in existing nuclear power plants.

    Source: Primary Research, Secondary Research, Market Research Future Database and Analyst Review

    Nuclear Steam Generator Market Material Insights

    The Material Segment’s Insights and Overview The material segment heavily determines the level of influence the Global Nuclear Steam Generator Market can posit. In particular, the information on the market revenue is most indicative of the role played by these materials in their market. Alloy 800H is one of the primary materials used in the production of nuclear steam generators. It is a high-strength material capable of withstanding pressure and high temperatures and exhibiting corrosion resistance and high density.

    Concurrently, Alloy 690TT is known for its resistance to stress corrosion cracking; in the context of nuclear steam generators, it is used in the construction of steam generator heads and nozzles.Finally, Stainless Steel 316L is a comparatively low-cost primary alloy that can be used in the construction of secondary systems of nuclear steam generators, such as feedwater heaters and condensers.

    While it has similar corrosion resistance to the abovementioned materials, it is weaker and more malleable, increasing specifically the safety levels. Currently, the development of material structures for steam generator tubes is a growing occurrence; in particular, titanium alloys are seeing increasing adoption because of their lightweight properties and corrosion resistance.

    Nickel alloys (specifically Inconel 600) are also used in many nuclear steam generators to leverage their mechanical properties and resistance to high temperatures. The use of these materials is determined by factors such as long-term performance, environmental safety, and cost. Moreover, the tendency is currently leaning towards the adoption of advanced materials, given the set of requirements the tubes and auxiliary equipment need to meet.

    Nuclear Steam Generator Market Capacity Insights

    The Global Nuclear Steam Generator Market is segmented by capacity into Below 500 MW, 500-750 MW, 750-1000 MW, and Above 1000 MW. Among these segments, the Above 1000 MW segment is expected to hold the largest market share during the forecast period. The increasing demand for larger nuclear power plants, which require higher-capacity steam generators, is driving the growth of this segment.

    Additionally, the growing trend toward the construction of new nuclear power plants in countries such as China, India, and Russia is further boosting the demand for high-capacity steam generators.The 500-750 MW segment is also expected to witness significant growth, owing to the increasing popularity of mid-sized nuclear power plants. These plants are more cost-effective and have a shorter construction time compared to larger plants, making them an attractive option for many countries.

    Nuclear Steam Generator Market Design Type Insights

    Once-Through Steam Generators (OTSGs) are expected to dominate the Design Type segment of the Global Nuclear Steam Generator Market owing to their high efficiency and compact design. U-Tube Steam Generators (UTSGs) are projected to hold a significant market share due to their reliability and maturity. Helical-Coil Steam Generators (HCSGs) are gaining traction due to their improved heat transfer capabilities and reduced maintenance costs. Compact Steam Generators (CSGs) are expected to witness steady growth driven by their space-saving design and suitability for smaller nuclear reactors.

    Nuclear Steam Generator Market End User Insights

    The End User segment in the Global Nuclear Steam Generator Market holds significant importance, with various stakeholders driving market growth. Utilities, which include electric power generation companies, are major consumers of nuclear steam generators, accounting for a substantial share of the market revenue. Their focus on reliable and efficient electricity generation drives the demand for advanced nuclear steam generator technologies.

    Nuclear Plant Operators, responsible for managing and operating nuclear power plants, play a crucial role in the market. They prioritize safety, regulatory compliance, and cost optimization, influencing the demand for technologically advanced and cost-effective nuclear steam generators.

    Reactor Manufacturers, involved in designing and manufacturing nuclear reactors, are another key segment in the market. Their focus on developing innovative reactor designs and improving safety features drives the demand for high-performance nuclear steam generators. Government Agencies responsible for regulating the nuclear industry also impact market dynamics.

    Their regulations and policies influence the adoption of nuclear technologies and impact the demand for nuclear steam generators.The increasing focus on decarbonization and the growing demand for clean energy sources are expected to drive the growth of the Nuclear Steam Generator Market, with the End User segment playing a critical role in shaping market trends.

    Get more detailed insights about Nuclear Steam Generator Market Research Report — Global Forecast till 2034

    Regional Insights

    The Global Nuclear Steam Generator Market is expected to reach USD 6.1 billion by 2032, exhibiting a CAGR of 4.6% during the forecast period. Regionally, North America held the largest market share in 2023, accounting for around 35% of the global revenue. The growth in this region can be attributed to the presence of a large number of nuclear power plants and the increasing demand for electricity.

    Europe is expected to be the second-largest market, followed by APAC. The APAC region is expected to witness significant growth in the coming years due to the increasing demand for electricity and the growing number of nuclear power plants in countries such as China and India.South America and MEA are expected to contribute a smaller share to the global market.

    Nuclear Steam Generator Market Regional

    Source: Primary Research, Secondary Research, Market Research Future Database and Analyst Review

    Key Players and Competitive Insights

    Major players in the Nuclear Steam Generator Market industry are continuously striving to improve their technologies and expand their global footprint. Market leaders such as Babcock & Wilcox, GE Steam Power, and Mitsubishi Heavy Industries are investing heavily in research and development to enhance the safety, efficiency, and cost-effectiveness of their nuclear steam generators. These companies are also actively pursuing strategic partnerships and acquisitions to strengthen their market positions.

    In addition, several emerging players are entering the market with innovative designs and technologies, creating a dynamic and competitive landscape. Ongoing advancements in nuclear technology and growing demand for cleaner energy sources are driving the Nuclear Steam Generator Market development.Among the leading players in the Nuclear Steam Generator Market, Babcock & Wilcox holds a significant share. The company is renowned for its expertise in engineering, manufacturing, and servicing nuclear steam generators.

    Babcock & Wilcox has successfully delivered advanced nuclear steam generators for various nuclear power plants worldwide, including the AP1000 and EPR designs. The company's commitment to innovation and customer satisfaction has earned it a strong reputation in the industry. Babcock & Wilcox continues to invest in research and development to further enhance the performance and reliability of its nuclear steam generators.

    A prominent competitor in the Nuclear Steam Generator Market is Mitsubishi Heavy Industries. The company has a long history of involvement in the nuclear industry and offers a comprehensive range of nuclear steam generators for both domestic and international markets. Mitsubishi Heavy Industries is known for its advanced technologies and commitment to quality.

    The company's nuclear steam generators are designed to meet the highest safety and performance standards. Mitsubishi Heavy Industries has a strong track record of successful installations and service support worldwide. The company's focus on innovation and customer-centric approach has contributed to its position as a leading player in the Nuclear Steam Generator Market.

    Key Companies in the Nuclear Steam Generator Market market include

    Industry Developments

    The global nuclear steam generator market is anticipated to grow from USD 4.07 billion in 2023 to USD 6.1 billion by 2032, exhibiting a CAGR of 4.6% during the forecast period. Rising demand for nuclear energy as a clean and sustainable alternative to fossil fuels is driving market growth. Additionally, increasing investments in nuclear power plant construction and refurbishment projects are contributing to the market's expansion. Technological advancements in steam generator designs, such as the development of compact and efficient models, are also fueling market growth.

    Key industry participants are focusing on strategic partnerships, mergers, and acquisitions to expand their market presence and enhance their product offerings.

    Future Outlook

    Nuclear Steam Generator Market Future Outlook

    The Nuclear Steam Generator Market is projected to grow at a 4.63% CAGR from 2024 to 2035, driven by technological advancements, increasing energy demands, and regulatory support for nuclear energy.

    New opportunities lie in:

    • Invest in advanced materials for enhanced efficiency and durability of steam generators.
    • Develop modular steam generator designs to reduce installation time and costs.
    • Leverage digital technologies for predictive maintenance and operational optimization.

    By 2035, the Nuclear Steam Generator Market is expected to be robust, reflecting significant growth and innovation.

    Market Segmentation

    Nuclear Steam Generator Market Capacity Outlook

    • Below 500 MW
    • 500-750 MW
    • 750-1000 MW
    • Above 1000 MW

    Nuclear Steam Generator Market End User Outlook

    • Utilities
    • Nuclear Plant Operators
    • Reactor Manufacturers
    • Government Agencies

    Nuclear Steam Generator Market Material Outlook

    • Alloy 800H
    • Alloy 690TT
    • Stainless Steel 316L
    • Titanium Alloys
    • Nickel Alloys

    Nuclear Steam Generator Market Regional Outlook

    • North America
    • Europe
    • South America
    • Asia Pacific
    • Middle East and Africa

    Nuclear Steam Generator Market Design Type Outlook

    • Once-Through Steam Generators (OTSGs)
    • U-Tube Steam Generators (UTSGs)
    • Helical-Coil Steam Generators (HCSGs)
    • Compact Steam Generators (CSGs)

    Nuclear Steam Generator Market Reactor Type Outlook

    • Pressurized Water Reactors (PWRs)
    • Boiling Water Reactors (BWRs)
    • CANDU Reactors
    • Advanced Gas-cooled Reactors (AGRs)
    • Sodium Fast Reactors (SFRs)

    Report Scope

    Report Attribute/Metric Details
    Market Size 2024    4.45 (USD Billion)
    Market Size 2025    4.66 (USD Billion)
    Market Size 2034     7.00 (USD Billion)
    Compound Annual Growth Rate (CAGR)      4.62% (2025 - 2034)
    Report Coverage Revenue Forecast, Competitive Landscape, Growth Factors, and Trends
    Base Year 2024
    Market Forecast Period 2025 - 2034
    Historical Data 2019 - 2023
    Market Forecast Units USD Billion
    Key Companies Profiled Doosan Heavy Industries Construction, Mitsubishi Heavy Industries, Hyundai Heavy Industries, IHI Corporation, Framatome, Toshiba Energy Systems Solutions, AREVA NP, Babcock Wilcox, China National Nuclear Corporation, GE Power, Westinghouse Electric Company, Bechtel, NuScale Power, Korea Electric Power Corporation
    Segments Covered Reactor Type, Material, Capacity, Design Type, End User, Regional
    Key Market Opportunities Rising nuclear energy demand Aging nuclear power plants Technological advancements Growing focus on decarbonization Expansion into emerging markets
    Key Market Dynamics Increasing power generation government support technological advancements plant refurbishments and rising environmental concerns.
    Countries Covered North America, Europe, APAC, South America, MEA

    FAQs

    What is the current market size of the Global Nuclear Steam Generator Market?

    The Global Nuclear Steam Generator Market is expected to be valued at around USD 4.45 billion in 2024, with a steady growth rate.

    What is the projected market size of the Global Nuclear Steam Generator Market by 2034?

    The Global Nuclear Steam Generator Market is expected to reach approximately USD 7.00 billion by 2034, exhibiting a CAGR of approximately 4.62% between 2025 and 2034.

    Which region is anticipated to dominate the Global Nuclear Steam Generator Market in the coming years?

    North America is expected to hold the largest market share in 2023 and is projected to continue its dominance throughout the forecast period.

    What are the primary applications of Nuclear Steam Generators?

    Nuclear Steam Generators are primarily used in nuclear power plants to convert heat from nuclear reactions into steam, which then drives turbines and generates electricity

    Who are some of the key competitors in the Global Nuclear Steam Generator Market?

    Some of the key competitors in the Global Nuclear Steam Generator Market include Doosan Heavy Industries, Mitsubishi Heavy Industries, and Babcock International Group.

    What are the major factors driving the growth of the Global Nuclear Steam Generator Market?

    The increasing demand for nuclear energy, coupled with government initiatives to promote sustainable energy sources, is driving the growth of the Global Nuclear Steam Generator Market.

    What are the challenges faced by the Global Nuclear Steam Generator Market?

    The challenges faced by the Global Nuclear Steam Generator Market include high manufacturing costs, stringent regulations, and safety concerns associated with the use of nuclear energy.

    What are the opportunities available in the Global Nuclear Steam Generator Market?

    The opportunities available in the Global Nuclear Steam Generator Market include the development of advanced technologies and the expansion of nuclear power plants in emerging economies.

    What are the key trends shaping the future of the Global Nuclear Steam Generator Market?

    The key trends shaping the future of the Global Nuclear Steam Generator Market include the adoption of modular designs, the integration of renewable energy sources, and the focus on safety and efficiency.

    What is the expected impact of technological advancements on the Global Nuclear Steam Generator Market?

    Technological advancements, such as the development of new materials and manufacturing techniques, are expected to have a significant impact on the Global Nuclear Steam Generator Market, leading to improved performance, efficiency, and safety.

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