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Nuclear Steam Supply System (NSSS) Market By Reactor Type (Pressurized Water Reactor (PWR), Boiling Water Reactor (BWR), Pressurized Heavy Water Reactor (PHWR), Gas-Cooled Reactor (GCR), Others); By Application (Power Generation, Research Reactors, Naval/Defense Reactors, Medical Isotope Production); By End-user (Public/State-Owned Utilities, Private Power Producers, Research Institutions, Defense Establishments, Others); By Component (Reactor Pressure Vessel, Steam Generator, Reactor Coolant Pump, Pressurizer, Others); By Plant Type (New-Build Nuclear Plants, Refurbishment / Replacement Projects, Decommissioning Support); By Region – Growth, Share, Opportunities & Competitive Analysis, 2024 – 2032

Name: Nuclear Steam Supply System (NSSS) Market - Demand, Size and Competitive Analysis
Creator: Credence Research Inc.
Published: 2025-11-17
License: https://www.credenceresearch.com/info/privacy-policy
Keywords: Nuclear Steam Supply System (NSSS) Market

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Market Overview

The Nuclear Steam Supply System (NSSS) Market size was valued at USD 8,200.00 Million in 2018, increased to USD 9,478.06 Million in 2024, and is anticipated to reach USD 14,098.87 Billion by 2032, at a CAGR of 5.15% during the forecast period.

REPORT ATTRIBUTE	DETAILS
Historical Period	2020-2023
Base Year	2024
Forecast Period	2025-2032
Nuclear Steam Supply System (NSSS) Market Size 2024	USD 9,478.06 Million
Nuclear Steam Supply System (NSSS) Market, CAGR	5.15%
Nuclear Steam Supply System (NSSS) Market Size 2032	USD 14,098.87 Million

The Nuclear Steam Supply System (NSSS) Market is dominated by key players such as Westinghouse Electric Company, General Electric (GE) Hitachi Nuclear Energy, Mitsubishi Heavy Industries, Korea Electric Power Corporation (KEPCO), and Rosatom State Atomic Energy Corporation. These companies lead the market due to their extensive experience, technological expertise, and large-scale manufacturing capabilities. North America holds the largest market share, approximately 28%, driven by investments in nuclear infrastructure and plant life extensions. Europe follows with a 26% market share, influenced by nuclear energy’s role in the region’s sustainability goals. Asia Pacific is the fastest-growing region, accounting for 25% of the market, driven by rapid nuclear energy developments in China and India. These regions, alongside emerging markets, are fueling the demand for advanced NSSS systems as part of the global shift toward cleaner and more reliable energy sources.

Market Insights

The Nuclear Steam Supply System (NSSS) Market was valued at USD 9,478.06 million in 2024 and is projected to reach USD 14,098.87 million by 2032, growing at a CAGR of 5.15%.
Increasing global demand for clean and reliable energy is a major driver for the market, with nuclear energy gaining prominence as a stable, low-carbon power source.
Technological advancements such as the deployment of small modular reactors (SMRs) and improvements in reactor safety systems are key trends boosting the market.
High capital and operational costs, along with regulatory and safety concerns, remain significant restraints, limiting faster growth in some regions.
North America holds the largest share of the market at 28%, followed by Europe at 26%, while Asia Pacific is growing rapidly, accounting for 25% of the market, driven by expanding nuclear energy investments in China and India.

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Market Segmentation Analysis:

By Reactor Type

The Pressurized Water Reactor (PWR) segment dominates the NSSS market, holding a significant share of 60%. PWRs are the most widely deployed reactor type globally, favored for their safety features and operational maturity. The growth of this segment is driven by the rising global demand for reliable, clean energy and ongoing life-extension programs for existing PWR plants. Other reactor types like Boiling Water Reactor (BWR) and Pressurized Heavy Water Reactor (PHWR) follow, with smaller shares due to regional preferences and specific fuel capabilities. Gas-Cooled Reactors (GCR) and Others hold niche market shares, driven by experimental and advanced nuclear technology projects.

For instance, for PHWRs, L&T Heavy Engineering provides critical services such as life extension through coolant channel replacement and in-service inspections, supporting long-term operation of these reactors.

By Application

The Power Generation segment is the dominant application for NSSS systems, accounting for more than 85% of the market share. This is largely due to the critical role nuclear power plays in providing clean and reliable electricity across the globe. The demand for low-carbon power generation drives the expansion of nuclear power plants. Research Reactors, Naval/Defense Reactors, and Medical Isotope Production hold smaller shares, with research and defense reactors primarily serving niche markets such as scientific research, military applications, and isotope production for medical uses.

For instance, nuclear power plants generate nearly 10% of the global electricity and contribute about a quarter of all low-carbon electricity, underscoring their significance in low-carbon power generation efforts.

By End-User

Public/State-Owned Utilities dominate the NSSS market with an overwhelming share of around 85%. This segment is driven by the ownership of large-scale nuclear power plants by state or government entities, which are the main operators of nuclear facilities worldwide. Private Power Producers represent a growing but smaller share (5-10%), as more private sector investments in nuclear energy emerge. Research Institutions and Defense Establishments each account for a minor share, focusing on specialized reactor designs and systems for academic, military, and security purposes.

Key Growth Drivers

Increasing Demand for Clean and Reliable Energy

The growing global emphasis on reducing carbon emissions is a primary driver for the Nuclear Steam Supply System (NSSS) market. As nations strive to meet sustainability targets, nuclear energy is gaining prominence as a stable and low-carbon source of power. This is particularly relevant in regions with rising electricity demand and limited alternative clean energy options. The urgency to transition away from fossil fuels and the need for reliable, baseload power further support the expansion of nuclear energy, driving substantial demand for NSSS systems.

For instance, GE Steam Power signed a contract with Bharat Heavy Electricals Limited (BHEL) to supply three nuclear steam turbines for NPCIL’s domestic nuclear program, contributing to 8.4 GW of CO2-free electricity enough to power over 14 million homes.

Deployment of Advanced Nuclear Technologies

The deployment of advanced and small modular reactors (SMRs) is accelerating the growth of the NSSS market. SMRs offer improved safety, lower upfront costs, and the flexibility to be deployed in smaller or remote locations, expanding the market potential. As these technologies mature and gain regulatory approval, they open up new avenues for nuclear energy adoption, particularly in countries with a growing energy demand. This trend is boosting investments in NSSS, as these reactors require innovative and more efficient steam supply systems for optimal operation.

For instance, NuScale Power Corporation’s NuScale Power Module generates 77 megawatts per unit and can be combined into plants producing up to 924 MWe, allowing scalable and factory-fabricated solutions that simplify deployment.

Nuclear Plant Life Extension and Refurbishment

A significant driver of the NSSS market is the ongoing refurbishment and life-extension programs for aging nuclear power plants. Many reactors worldwide, particularly in North America and Europe, are reaching the end of their operational life and are undergoing modernization. These upgrades often involve replacing or upgrading critical components, such as the NSSS, to improve efficiency and extend plant life. As a result, there is increasing demand for NSSS systems to support the longevity of existing nuclear fleets, maintaining market stability and expansion.

Key Trends & Opportunities

Integration of Hybrid Energy Systems

The integration of nuclear power with renewable energy sources, such as wind and solar, is becoming an emerging trend in the NSSS market. Hybrid energy systems, combining nuclear with renewables, offer enhanced grid stability and efficiency, addressing the intermittent nature of renewable power. This integration creates new opportunities for NSSS suppliers to develop systems that can seamlessly work with these hybrid setups. As governments continue to invest in renewable energy infrastructure, the demand for hybrid solutions incorporating NSSS will likely increase, providing a significant market opportunity.

For instance, the U.S. National Renewable Energy Laboratory (NREL) and Idaho National Laboratory demonstrated a hybrid power plant combining a nuclear reactor, solar arrays, lithium-ion batteries, and hydrogen electrolyzers that seamlessly adjusted to fluctuations in solar power, enhancing grid reliability.

Rising Investment in Nuclear Safety and Technology Innovation

With an increasing focus on nuclear safety, there is growing investment in the development of advanced NSSS systems that offer improved safety features, such as passive safety systems and automated emergency response mechanisms. Technological innovation is another significant opportunity, with ongoing research into advanced materials, reactor designs, and cooling technologies. These innovations aim to make nuclear power more efficient, safer, and more economically viable, thus driving demand for next-generation NSSS solutions. Companies investing in these innovations will benefit from growing demand across developed and emerging markets.

For instance, Westinghouse Electric has deployed its AP1000 reactor design with fully passive safety systems, capable of cooling the core for 72 hours without operator intervention or external power, and these have been operational at Sanmen and Haiyang plants in China since 2018.

Key Challenges

High Capital and Operational Costs

One of the major challenges facing the NSSS market is the high capital and operational costs associated with nuclear power plants. Building and maintaining nuclear facilities is a significant financial burden, with high upfront investments in reactor construction, licensing, and infrastructure. The operational costs, including safety and regulatory compliance, add further strain. This financial barrier makes nuclear energy less attractive compared to other energy sources like natural gas and renewables, limiting the pace at which new plants are constructed and affecting NSSS demand in some regions.

Regulatory and Safety Concerns

Regulatory hurdles and safety concerns remain one of the key challenges for the NSSS market. Nuclear energy is heavily regulated, and navigating the complex licensing and approval processes can be time-consuming and costly. Public perception of nuclear safety, especially in the wake of past incidents like Fukushima, continues to pose challenges for the industry. As governments and regulatory bodies impose stricter safety standards and compliance requirements, this may increase costs and delays, affecting market growth and hindering the expansion of NSSS deployments.

Regional Analysis

North America

North America holds a significant market share of 28% in the Nuclear Steam Supply System (NSSS) market. The market size was USD 2,935.60 million in 2018, with projections to reach USD 3,351.39 million by 2024 and USD 4,978.34 million by 2032, growing at a CAGR of 5.2%. The region’s growth is largely driven by robust investments in nuclear energy infrastructure, including the life extension of existing plants and new nuclear projects, as part of the clean energy transition in the United States and Canada. As such, the demand for NSSS systems is expected to remain strong throughout the forecast period.

Europe

Europe commands a market share of 26% of the global NSSS market. The market was valued at USD 2,469.84 million in 2018 and is expected to grow to USD 2,757.86 million by 2024, reaching USD 3,904.72 million by 2032, with a CAGR of 4.5%. Nuclear power’s role in the region’s energy mix remains critical, with significant investments in both the refurbishment of aging plants and the development of new nuclear reactors. This continued reliance on nuclear energy for baseload power and sustainability goals will fuel demand for NSSS systems in Europe.

Asia Pacific

Asia Pacific is the fastest-growing region in the NSSS market, with a projected market share of 25% by 2024. The market size was USD 2,089.36 million in 2018, expected to reach USD 2,517.81 million by 2024, and USD 4,118.29 million by 2032, growing at a robust CAGR of 6.4%. China, India, and Japan are leading the charge in nuclear energy development, particularly in China, where large-scale nuclear projects are expanding rapidly. This strong regional growth is fueled by increasing energy demand, industrialization, and the need for clean energy sources.

Latin America

Latin America holds a smaller share of the NSSS market, contributing 4% of the global market share. The market size in 2018 was USD 344.40 million, projected to increase to USD 392.30 million by 2024, and USD 519.83 million by 2032, with a CAGR of 3.7%. Nuclear energy is still in its early stages in many Latin American countries, but growing interest in diversifying energy sources is pushing forward nuclear power projects, especially in Brazil and Argentina. As these nations expand their nuclear infrastructure, the NSSS market in Latin America is expected to see steady growth.

Middle East

The Middle East holds a smaller market share of 3% in the global NSSS market. Valued at USD 229.60 million in 2018, the market is projected to grow to USD 242.58 million in 2024, reaching USD 311.66 million by 2032, at a CAGR of 3.3%. Nuclear energy adoption is increasing in the region, particularly in countries like the UAE and Saudi Arabia, as part of their energy diversification strategies. Despite its smaller share, the market for NSSS systems in the Middle East is set to grow steadily as these countries continue to invest in nuclear infrastructure.

Africa

Africa accounts for the smallest market share of 2% in the global NSSS market. The market was valued at USD 131.20 million in 2018 and is expected to grow to USD 216.14 million by 2024, reaching USD 266.04 million by 2032, with a CAGR of 2.2%. South Africa remains the leader in nuclear energy generation in the region, but other African nations are starting to explore nuclear power to address energy security challenges. As these countries invest in nuclear infrastructure, demand for NSSS systems will gradually rise, contributing to modest market growth in the coming years.

Market Segmentations:

By Reactor Type:

Pressurized Water Reactor (PWR)
Boiling Water Reactor (BWR)
Pressurized Heavy Water Reactor (PHWR)
Gas-Cooled Reactor (GCR)
Others

By Application:

Power Generation
Research Reactors
Naval/Defense Reactors
Medical Isotope Production

By End-user:

Public/State-Owned Utilities
Private Power Producers
Research Institutions
Defense Establishments
Others

By Component:

Reactor Pressure Vessel
Steam Generator
Reactor Coolant Pump
Pressurizer
Others

By Plant Type:

New-Build Nuclear Plants
Refurbishment / Replacement Projects
Decommissioning Support

By Region

North America
- U.S.
- Canada
- Mexico
Europe
- Germany
- France
- U.K.
- Italy
- Spain
- Rest of Europe
Asia Pacific
- China
- Japan
- India
- South Korea
- South-east Asia
- Rest of Asia Pacific
Latin America
- Brazil
- Argentina
- Rest of Latin America
Middle East & Africa
- GCC Countries
- South Africa
- Rest of the Middle East and Africa

Competitive Landscape

Competitive analysis in the Nuclear Steam Supply System (NSSS) market reveals a dynamic and evolving landscape, with key players such as Westinghouse Electric Company, General Electric (GE) Hitachi Nuclear Energy, Mitsubishi Heavy Industries, Korea Electric Power Corporation (KEPCO), and Rosatom State Atomic Energy Corporation leading the charge. These companies dominate the market due to their extensive experience, strong technological expertise, and large-scale manufacturing capabilities. Additionally, these players are at the forefront of innovations in nuclear reactor designs, safety features, and energy efficiency improvements, contributing to the growth of the NSSS market. The market is characterized by a mix of established industry giants and emerging players, especially in regions such as Asia Pacific, where new entrants are gaining traction. Strategic partnerships, mergers, and acquisitions are common among key players to strengthen their position in the market, expand their geographic reach, and enhance product offerings. As the demand for nuclear energy grows, competition is expected to intensify, with a focus on reducing costs, improving reactor performance, and ensuring regulatory compliance.

Key Player Analysis

Westinghouse Electric Company
General Electric (GE) Hitachi Nuclear Energy
Mitsubishi Heavy Industries
Korea Electric Power Corporation (KEPCO)
China National Nuclear Corporation (CNNC)
Rosatom State Atomic Energy Corporation
Doosan Heavy Industries & Construction
Babcock & Wilcox Enterprises
Toshiba Energy Systems & Solutions

Recent Developments

In October 2025, the U.S. Government, Brookfield Asset Management and Cameco Corporation formed a strategic partnership with Westinghouse to deliver new nuclear reactors using its NSSS technology.
In March 2025, Westinghouse Electric Company signed MoUs with six Canadian suppliers (in Saskatchewan) to support its new build NSSS and AP1000 reactor projects.
In February 2025, Siemens Energy and Rolls‑Royce SMR signed an exclusive partnership agreement in which Siemens Energy will be the global turbine systems partner (steam turbines, generators and auxiliary systems) for Rolls‑Royce’s small modular reactors (SMRs).

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Report Coverage

The research report offers an in-depth analysis based on Reactor Type, Application, Component, Plant Type, End User and Region. It details leading market players, providing an overview of their business, product offerings, investments, revenue streams, and key applications. Additionally, the report includes insights into the competitive environment, SWOT analysis, current market trends, as well as the primary drivers and constraints. Furthermore, it discusses various factors that have driven market expansion in recent years. The report also explores market dynamics, regulatory scenarios, and technological advancements that are shaping the industry. It assesses the impact of external factors and global economic changes on market growth. Lastly, it provides strategic recommendations for new entrants and established companies to navigate the complexities of the market.

Future Outlook

The NSSS market is expected to witness steady growth driven by increasing global demand for clean and reliable energy.
Technological advancements in nuclear reactor designs, including small modular reactors (SMRs), will play a pivotal role in shaping market dynamics.
Investment in nuclear energy infrastructure, especially in Asia Pacific and North America, is anticipated to accelerate in the coming years.
The shift towards nuclear energy as a sustainable alternative to fossil fuels will support long-term market expansion.
Regulatory frameworks will continue to evolve, ensuring higher safety standards, which could drive demand for advanced NSSS systems.
The rise in nuclear power plant life extension and refurbishment projects will contribute significantly to NSSS market growth.
The growing interest in hybrid energy systems combining nuclear and renewable energy sources will open new opportunities in the market.
As new nuclear plants are commissioned, the demand for advanced NSSS components, such as steam generators and reactor pressure vessels, will increase.
Strategic collaborations and partnerships between nuclear energy companies and governments will enhance market development and regional reach.
The market will face challenges related to high capital costs and regulatory complexities, which may impact the pace of growth in certain regions.

CHAPTER NO. 1 : INTRODUCTION 32
1.1.1. Report Description 32
Purpose of the Report 32
USP & Key Offerings 32
1.1.2. Key Benefits for Stakeholders 32
1.1.3. Target Audience 33
1.1.4. Report Scope 33
1.1.5. Regional Scope 34
CHAPTER NO. 2 : EXECUTIVE SUMMARY 35
2.1. Nuclear Steam Supply System (NSSS) Market Snapshot 35
2.1.1. Global Nuclear Steam Supply System (NSSS) Market, 2018 – 2032 (USD Million) 37
CHAPTER NO. 3 : GEOPOLITICAL CRISIS IMPACT ANALYSIS 38
3.1. Russia-Ukraine and Israel-Palestine War Impacts 38
CHAPTER NO. 4 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – INDUSTRY ANALYSIS 39
4.1. Introduction 39
4.2. Market Drivers 40
4.2.1. Rising Global Demand for Clean and Reliable Energy 40
4.2.2. Deployment of Advanced and Small Modular Reactors (SMRs) 41
4.3. Market Restraints 42
4.3.1. High Capital and Maintenance Costs 42
4.4. Market Opportunities 43
4.4.1. Market Opportunity Analysis 43
4.5. Porter’s Five Forces Analysis 44
CHAPTER NO. 5 : PRICE ANALYSIS 45
5.1. Price Analysis by Region 45
5.1.1. Global Nuclear Steam Supply System (NSSS) Market Price, By Region, 2018 – 2023 45
5.1.2. Global Reactor Type Market Price, By Region, 2018 – 2023 45
5.2. Price Analysis by Reactor Type 46
5.2.1. Global Nuclear Steam Supply System (NSSS) Market Price, By Reactor Type, 2018 – 2023 46
5.2.2. Global Reactor Type Market Price, By Reactor Type, 2018 – 2023 46
CHAPTER NO. 6 : ANALYSIS COMPETITIVE LANDSCAPE 47
6.1. Company Market Share Analysis – 2024 47
6.1.1. Global Nuclear Steam Supply System (NSSS) Market: Company Market Share, by Volume, 2024 47
6.1.2. Global Nuclear Steam Supply System (NSSS) Market: Company Market Share, by Revenue, 2024 48
6.1.3. Global Nuclear Steam Supply System (NSSS) Market: Top 6 Company Market Share, by Revenue, 2024 48
6.1.4. Global Nuclear Steam Supply System (NSSS) Market: Top 3 Company Market Share, by Revenue, 2024 49
6.2. Global Nuclear Steam Supply System (NSSS) Market Company Revenue Market Share, 2024 50
6.3. Company Assessment Metrics, 2023 51
6.3.1. Stars 51
6.3.2. Emerging Leaders 51
6.3.3. Pervasive Players 51
6.3.4. Participants 51
6.4. Start-ups /SMEs Assessment Metrics, 2023 51
6.4.1. Progressive Companies 51
6.4.2. Responsive Companies 51
6.4.3. Dynamic Companies 51
6.4.4. Starting Blocks 51
6.5. Strategic Developments 52
6.5.1. Acquisitions & Mergers 52
New Product Launch 52
Regional Expansion 52
6.6. Key Players Product Matrix 53
CHAPTER NO. 7 : PESTEL & ADJACENT MARKET ANALYSIS 54
7.1. PESTEL 54
7.1.1. Political Factors 54
7.1.2. Economic Factors 54
7.1.3. Social Factors 54
7.1.4. Technological Factors 54
7.1.5. Environmental Factors 54
7.1.6. Legal Factors 54
7.2. Adjacent Market Analysis 54
CHAPTER NO. 8 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – BY REACTOR TYPE SEGMENT ANALYSIS 55
8.1. Nuclear Steam Supply System (NSSS) Market Overview, by Reactor Type Segment 55
8.1.1. Nuclear Steam Supply System (NSSS) Market Revenue Share, By Reactor Type, 2023 & 2032 56
8.1.2. Nuclear Steam Supply System (NSSS) Market Attractiveness Analysis, By Reactor Type 57
8.1.3. Incremental Revenue Growth Opportunity, by Reactor Type, 2024 – 2032 57
8.1.4. Nuclear Steam Supply System (NSSS) Market Revenue, By Reactor Type, 2018, 2023, 2027 & 2032 58
8.2. Pressurized Water Reactor (PWR) 59
8.2.1. Global Pressurized Water Reactor (PWR) Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 60
8.2.2. Global Pressurized Water Reactor (PWR) Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 60
8.3. Boiling Water Reactor (BWR) 61
8.3.1. Global Boiling Water Reactor (BWR) Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 62
8.3.2. Global Boiling Water Reactor (BWR) Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 62
8.4. Pressurized Heavy Water Reactor (PHWR) 63
8.4.1. Global Pressurized Heavy Water Reactor (PHWR) Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 64
8.4.2. Global Pressurized Heavy Water Reactor (PHWR) Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 64
8.5. Gas-Cooled Reactor (GCR) 65
8.5.1. Global Gas-Cooled Reactor (GCR) Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 66
8.5.2. Global Gas-Cooled Reactor (GCR) Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 66
8.6. Others 67
8.6.1. Global Others Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 68
8.6.2. Global Others Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 68
CHAPTER NO. 9 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – BY APPLICATION SEGMENT ANALYSIS 69
9.1. Nuclear Steam Supply System (NSSS) Market Overview, by Application Segment 69
9.1.1. Nuclear Steam Supply System (NSSS) Market Revenue Share, By Application, 2023 & 2032 70
9.1.2. Nuclear Steam Supply System (NSSS) Market Attractiveness Analysis, By Application 71
9.1.3. Incremental Revenue Growth Opportunity, by Application, 2024 – 2032 71
9.1.4. Nuclear Steam Supply System (NSSS) Market Revenue, By Application, 2018, 2023, 2027 & 2032 72
9.2. Power Generation 73
9.2.1. Global Power Generation Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 74
9.2.2. Global Power Generation Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 74
9.3. Research Reactors 75
9.3.1. Global Research Reactors Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 76
9.3.2. Global Research Reactors Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 76
9.4. Naval/Defense Reactors 77
9.4.1. Global Naval/Defense Reactors Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 78
9.4.2. Global Naval/Defense Reactors Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 78
9.5. Medical Isotope Production 79
9.5.1. Global Medical Isotope Production Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 80
9.5.2. Global Medical Isotope Production Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 80
CHAPTER NO. 10 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – BY END-USER SEGMENT ANALYSIS 81
10.1. Nuclear Steam Supply System (NSSS) Market Overview, by End-user Segment 81
10.1.1. Nuclear Steam Supply System (NSSS) Market Revenue Share, By End-user, 2023 & 2032 82
10.1.2. Nuclear Steam Supply System (NSSS) Market Attractiveness Analysis, By End-user 83
10.1.3. Incremental Revenue Growth Opportunity, by End-user, 2024 – 2032 83
10.1.4. Nuclear Steam Supply System (NSSS) Market Revenue, By End-user, 2018, 2023, 2027 & 2032 84
10.2. Public/State-Owned Utilities 85
10.2.1. Global Public/State-Owned Utilities Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 86
10.2.2. Global Public/State-Owned Utilities Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 86
10.3. Private Power Producers 87
10.3.1. Global Private Power Producers Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 88
10.3.2. Global Private Power Producers Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 88
10.4. Research Institutions 89
10.4.1. Global Research Institutions Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 90
10.4.2. Global Research Institutions Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 90
10.5. Defense Establishments 91
10.5.1. Global Defense Establishments Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 92
10.5.2. Global Defense Establishments Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 92
10.6. Others 93
10.6.1. Global Others Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 94
10.6.2. Global Others Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 94
CHAPTER NO. 11 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – BY COMPONENT SEGMENT ANALYSIS 95
11.1. Nuclear Steam Supply System (NSSS) Market Overview, by Component Segment 95
11.1.1. Nuclear Steam Supply System (NSSS) Market Revenue Share, By Component, 2023 & 2032 96
11.1.2. Nuclear Steam Supply System (NSSS) Market Attractiveness Analysis, By Component 97
11.1.3. Incremental Revenue Growth Opportunity, by Component, 2024 – 2032 97
11.1.4. Nuclear Steam Supply System (NSSS) Market Revenue, By Component, 2018, 2023, 2027 & 2032 98
11.2. Reactor Pressure Vessel 99
11.2.1. Global Reactor Pressure Vessel Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 100
11.2.2. Global Reactor Pressure Vessel Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 100
11.3. Steam Generator 101
11.3.1. Global Steam Generator Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 102
11.3.2. Global Steam Generator Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 102
11.4. Reactor Coolant Pump 103
11.4.1. Global Reactor Coolant Pump Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 104
11.4.2. Global Reactor Coolant Pump Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 104
11.5. Pressurizer 105
11.5.1. Global Pressurizer Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 106
11.5.2. Global Pressurizer Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 106
11.6. Others 107
11.6.1. Global Others Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 108
11.6.2. Global Others Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 108
CHAPTER NO. 12 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – BY PLANT TYPE SEGMENT ANALYSIS 109
12.1. Nuclear Steam Supply System (NSSS) Market Overview, by Plant Type Segment 109
12.1.1. Nuclear Steam Supply System (NSSS) Market Revenue Share, By Plant Type, 2023 & 2032 110
12.1.2. Nuclear Steam Supply System (NSSS) Market Attractiveness Analysis, By Plant Type 111
12.1.3. Incremental Revenue Growth Opportunity, by Plant Type, 2024 – 2032 111
12.1.4. Nuclear Steam Supply System (NSSS) Market Revenue, By Plant Type, 2018, 2023, 2027 & 2032 112
12.2. New-Build Nuclear Plants 113
12.2.1. Global New-Build Nuclear Plants Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 114
12.2.2. Global New-Build Nuclear Plants Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 114
12.3. Refurbishment / Replacement Projects 115
12.3.1. Global Refurbishment / Replacement Projects Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 116
12.3.2. Global Refurbishment / Replacement Projects Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 116
12.4. Decommissioning Support 117
12.4.1. Global Decommissioning Support Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 118
12.4.2. Global Decommissioning Support Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 118
CHAPTER NO. 13 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – REGIONAL ANALYSIS 119
13.1. Nuclear Steam Supply System (NSSS) Market Overview, by Regional Segments 119
13.2. Region 120
13.2.1. Global Nuclear Steam Supply System (NSSS) Market Revenue Share, By Region, 2023 & 2032 120
13.2.2. Nuclear Steam Supply System (NSSS) Market Attractiveness Analysis, By Region 121
13.2.3. Incremental Revenue Growth Opportunity, by Region, 2024 – 2032 121
13.2.4. Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018, 2023, 2027 & 2032 122
13.2.5. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2018 – 2023 (USD Million) 123
13.2.6. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Region, 2024 – 2032 (USD Million) 123
13.3. Reactor Type 124
13.3.1. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Reactor Type, 2018 – 2023 (USD Million) 124
13.3.2. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Reactor Type, 2024 – 2032 (USD Million) 124
13.4. Application 125
13.4.1. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Application, 2018 – 2023 (USD Million) 125
13.4.2. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Application, 2024 – 2032 (USD Million) 125
13.5. End-user 126
13.5.1. Global Nuclear Steam Supply System (NSSS) Market Revenue, By End-user, 2018 – 2023 (USD Million) 126
13.5.2. Global Nuclear Steam Supply System (NSSS) Market Revenue, By End-user, 2024 – 2032 (USD Million) 126
13.6. Component 127
13.6.1. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Component, 2018 – 2023 (USD Million) 127
13.6.2. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Component, 2024 – 2032 (USD Million) 127
13.7. Plant Type 128
13.7.1. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Plant Type, 2018 – 2023 (USD Million) 128
13.7.2. Global Nuclear Steam Supply System (NSSS) Market Revenue, By Plant Type, 2024 – 2032 (USD Million) 128
CHAPTER NO. 14 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – NORTH AMERICA 129
14.1. North America 129
14.1.1. Key Highlights 129
14.1.2. North America Nuclear Steam Supply System (NSSS) Market Revenue, By Country, 2018 – 2023 (USD Million) 130
14.1.3. North America Nuclear Steam Supply System (NSSS) Market Revenue, By Reactor Type, 2018 – 2023 (USD Million) 131
14.1.4. North America Nuclear Steam Supply System (NSSS) Market Revenue, By Application, 2018 – 2023 (USD Million) 132
14.1.5. North America Nuclear Steam Supply System (NSSS) Market Revenue, By End-user, 2018 – 2023 (USD Million) 133
14.1.6. North America Nuclear Steam Supply System (NSSS) Market Revenue, By Component, 2018 – 2023 (USD Million) 134
14.1.7. North America Nuclear Steam Supply System (NSSS) Market Revenue, By Plant Type, 2018 – 2023 (USD Million) 135
14.2. U.S. 136
14.3. Canada 136
14.4. Mexico 136
CHAPTER NO. 15 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – EUROPE 137
15.1. Europe 137
15.1.1. Key Highlights 137
15.1.2. Europe Nuclear Steam Supply System (NSSS) Market Revenue, By Country, 2018 – 2023 (USD Million) 138
15.1.3. Europe Nuclear Steam Supply System (NSSS) Market Revenue, By Reactor Type, 2018 – 2023 (USD Million) 139
15.1.4. Europe Nuclear Steam Supply System (NSSS) Market Revenue, By Application, 2018 – 2023 (USD Million) 141
15.1.5. Europe Nuclear Steam Supply System (NSSS) Market Revenue, By End-user, 2018 – 2023 (USD Million) 142
15.1.6. Europe Nuclear Steam Supply System (NSSS) Market Revenue, By Component, 2018 – 2023 (USD Million) 143
15.1.7. Europe Nuclear Steam Supply System (NSSS) Market Revenue, By Plant Type, 2018 – 2023 (USD Million) 144
15.2. UK 145
15.3. France 145
15.4. Germany 145
15.5. Italy 145
15.6. Spain 145
15.7. Russia 145
15.8. Belgium 145
15.9. Netherland 145
15.10. Austria 145
15.11. Sweden 145
15.12. Poland 145
15.13. Denmark 145
15.14. Switzerland 145
15.15. Rest of Europe 145
CHAPTER NO. 16 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – ASIA PACIFIC 146
16.1. Asia Pacific 146
16.1.1. Key Highlights 146
16.1.2. Asia Pacific Nuclear Steam Supply System (NSSS) Market Revenue, By Country, 2018 – 2023 (USD Million) 147
16.1.3. Asia Pacific Nuclear Steam Supply System (NSSS) Market Revenue, By Reactor Type, 2018 – 2023 (USD Million) 148
16.1.4. Asia Pacific Nuclear Steam Supply System (NSSS) Market Revenue, By Application, 2018 – 2023 (USD Million) 149
16.1.5. Asia Pacific Nuclear Steam Supply System (NSSS) Market Revenue, By End-user, 2018 – 2023 (USD Million) 150
16.1.6. Asia Pacific Nuclear Steam Supply System (NSSS) Market Revenue, By Component, 2018 – 2023 (USD Million) 151
16.1.7. Asia Pacific Nuclear Steam Supply System (NSSS) Market Revenue, By Plant Type, 2018 – 2023 (USD Million) 152
16.2. China 153
16.3. Japan 153
16.4. South Korea 153
16.5. India 153
16.6. Australia 153
16.7. Thailand 153
16.8. Indonesia 153
16.9. Vietnam 153
16.10. Malaysia 153
16.11. Philippines 153
16.12. Taiwan 153
16.13. Rest of Asia Pacific 153
CHAPTER NO. 17 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – LATIN AMERICA 154
17.1. Latin America 154
17.1.1. Key Highlights 154
17.1.2. Latin America Nuclear Steam Supply System (NSSS) Market Revenue, By Country, 2018 – 2023 (USD Million) 155
17.1.3. Latin America Nuclear Steam Supply System (NSSS) Market Revenue, By Reactor Type, 2018 – 2023 (USD Million) 156
17.1.4. Latin America Nuclear Steam Supply System (NSSS) Market Revenue, By Application, 2018 – 2023 (USD Million) 157
17.1.5. Latin America Nuclear Steam Supply System (NSSS) Market Revenue, By End-user, 2018 – 2023 (USD Million) 158
17.1.6. Latin America Nuclear Steam Supply System (NSSS) Market Revenue, By Component, 2018 – 2023 (USD Million) 159
17.1.7. Latin America Nuclear Steam Supply System (NSSS) Market Revenue, By Plant Type, 2018 – 2023 (USD Million) 160
17.2. Brazil 161
17.3. Argentina 161
17.4. Peru 161
17.5. Chile 161
17.6. Colombia 161
17.7. Rest of Latin America 161
CHAPTER NO. 18 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – MIDDLE EAST 162
18.1. Middle East 162
18.1.1. Key Highlights 162
18.1.2. Middle East Nuclear Steam Supply System (NSSS) Market Revenue, By Country, 2018 – 2023 (USD Million) 163
18.1.3. Middle East Nuclear Steam Supply System (NSSS) Market Revenue, By Reactor Type, 2018 – 2023 (USD Million) 164
18.1.4. Middle East Nuclear Steam Supply System (NSSS) Market Revenue, By Application, 2018 – 2023 (USD Million) 165
18.1.5. Middle East Nuclear Steam Supply System (NSSS) Market Revenue, By End-user, 2018 – 2023 (USD Million) 166
18.1.6. Middle East Nuclear Steam Supply System (NSSS) Market Revenue, By Component, 2018 – 2023 (USD Million) 167
18.1.7. Middle East Nuclear Steam Supply System (NSSS) Market Revenue, By Plant Type, 2018 – 2023 (USD Million) 168
18.2. UAE 169
18.3. KSA 169
18.4. Israel 169
18.5. Turkey 169
18.6. Iran 169
18.7. Rest of Middle East 169
CHAPTER NO. 19 : NUCLEAR STEAM SUPPLY SYSTEM (NSSS) MARKET – AFRICA 170
19.1. Africa 170
19.1.1. Key Highlights 170
19.1.2. Africa Nuclear Steam Supply System (NSSS) Market Revenue, By Country, 2018 – 2023 (USD Million) 171
19.1.3. Africa Nuclear Steam Supply System (NSSS) Market Revenue, By Reactor Type, 2018 – 2023 (USD Million) 172
19.1.4. Africa Nuclear Steam Supply System (NSSS) Market Revenue, By Application, 2018 – 2023 (USD Million) 173
19.1.5. Africa Nuclear Steam Supply System (NSSS) Market Revenue, By End-user, 2018 – 2023 (USD Million) 174
19.1.6. Africa Nuclear Steam Supply System (NSSS) Market Revenue, By Component, 2018 – 2023 (USD Million) 175
19.1.7. Africa Nuclear Steam Supply System (NSSS) Market Revenue, By Plant Type, 2018 – 2023 (USD Million) 176
19.2. Egypt 177
19.3. Nigeria 177
19.4. Algeria 177
19.5. Morocco 177
19.6. Rest of Africa 177
CHAPTER NO. 20 : COMPANY PROFILES 178
20.1. Westinghouse Electric Company 178
20.1.1. Company Overview 178
20.1.2. Product Portfolio 178
20.1.3. Swot Analysis 178
20.1.4. Business Strategy 179
20.1.5. Financial Overview 179
20.2. General Electric (GE) Hitachi Nuclear Energy 180
20.3. Mitsubishi Heavy Industries 180
20.4. Korea Electric Power Corporation (KEPCO) 180
20.5. China National Nuclear Corporation (CNNC) 180
20.6. Rosatom State Atomic Energy Corporation 180
20.7. Doosan Heavy Industries & Construction 180
20.8. Babcock & Wilcox Enterprises 180
20.9. Toshiba Energy Systems & Solutions 180

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Frequently Asked Questions

 What is the current market size for Nuclear Steam Supply System (NSSS) Market, and what is its projected size in 2032?

The Nuclear Steam Supply System (NSSS) Market size was valued at USD 9,478.06 million in 2024 and is projected to reach USD 14,098.87 million by 2032.

 At what Compound Annual Growth Rate is the Nuclear Steam Supply System (NSSS) Market projected to grow between 2025 and 2032?

The Nuclear Steam Supply System (NSSS) Market is projected to grow at a CAGR of 5.15% during the forecast period from 2025 to 2032.

Which Nuclear Steam Supply System (NSSS) Market segment held the largest share in 2024?

The Power Generation segment holds the largest share of more than 85% in the Nuclear Steam Supply System (NSSS) Market in 2024.

What are the primary factors fueling the growth of the Nuclear Steam Supply System (NSSS) Market?

The primary factors fueling the growth of the Nuclear Steam Supply System (NSSS) Market include increasing demand for clean energy, deployment of advanced nuclear technologies like SMRs, and the refurbishment of aging nuclear power plants.

Who are the leading companies in the Nuclear Steam Supply System (NSSS) Market?

Leading companies in the Nuclear Steam Supply System (NSSS) Market include Westinghouse Electric Company, General Electric (GE) Hitachi Nuclear Energy, Mitsubishi Heavy Industries, and Rosatom State Atomic Energy Corporation.

Which region commanded the largest share of the Nuclear Steam Supply System (NSSS) Market in 2024?

North America commanded the largest share of the Nuclear Steam Supply System (NSSS) Market in 2024, with a market share of approximately 28%.

About Author

Sushant Phapale

ICT & Automation Expert

Sushant is an expert in ICT, automation, and electronics with a passion for innovation and market trends.

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