소형 모듈 원자로 시장 - 규모, 점유율, 성장률, 산업 분석 : 유형별, 용도별, 지역별 인사이트 및 예측(2026-2034년)

Growth Factors of small modular reactor (SMR) Market

The global small modular reactor (SMR) market is steadily gaining traction as the demand for clean, reliable, and flexible energy solutions rises. The market was valued at USD 5.96 billion in 2025, projected to grow to USD 6.13 billion in 2026, and expected to reach USD 8.77 billion by 2034, exhibiting a CAGR of 4.59% during the forecast period. SMRs are compact nuclear reactors, designed and manufactured in workshops, then transported to operational sites to provide electricity for commercial, industrial, and building applications. With outputs up to 300 Megawatt electric (MWe), SMRs offer high reliability, efficiency, and adaptability, making them suitable for modern energy demands. General Electric Company is among the key players providing advanced modular reactor solutions integrated with latest nuclear technology.

Market Dynamics

Drivers:

The rising global focus on clean energy is a major driver for the SMR market. Governments are increasingly emphasizing renewable and low-carbon energy sources, making nuclear energy an attractive solution. SMRs offer reliable electricity with minimal environmental impact. Furthermore, the industrial sector's growing electricity consumption drives the adoption of SMRs for power generation in utilities, data centers, and manufacturing facilities.

Restraints:

A major challenge is the lack of standardized licensing and regulatory frameworks for SMR deployment. The diverse requirements for design approvals, manufacturing certifications, and deployment cost impact the market growth, as operators face delays in regulatory approvals across different countries.

Opportunities:

The growing demand for data centers worldwide provides a significant opportunity for SMRs. With AI, cloud computing, and high-performance industrial operations consuming increasing electricity, businesses are exploring SMR technologies to stabilize energy supply efficiently. According to IEA, data centers accounted for over 2% of global electricity consumption in 2022, expected to double by 2026.

Challenges:

High initial capital costs remain a key barrier. The cost of constructing SMRs has fluctuated over 100% in certain projects, influenced by technological advancements, material costs, labor, and inflation. For instance, the four operational SMRs globally-in Russia, China, and Japan-incurred significantly higher costs than initially estimated.

Market Trends

SMR technologies are gaining traction in countries like Russia, China, and Argentina due to their flexibility, low-carbon output, and reliability. Industries and tech companies increasingly adopt SMRs for secure, continuous energy supply. Multi-module SMRs offer scalability and operational flexibility, allowing integration with renewable sources for grid stability.

Impact of COVID-19

The COVID-19 pandemic disrupted SMR market growth due to industrial shutdowns, supply chain interruptions, and labor shortages. Manufacturing delays and restricted transportation of components temporarily hindered project execution. However, post-pandemic recovery and renewed investments in clean energy solutions have revitalized the market.

Segmentation Analysis

By Module:

• Multi-module: Dominates with 64.35% share in 2026, used in nuclear plants for flexible, high-output energy production.
• Single-module: Fastest-growing, used in transportation, commercial grids, hydrogen production, and industrial heating.

By Power Output:

• 101-200 MW: Dominates globally, meeting high industrial energy demands.
• Up to 100 MW: Fastest-growing, applied in buildings, desalination, and localized energy supply.
• 201-300 MW: Growing segment for high-capacity industrial use.

By Technology:

• Water-cooled SMRs: Dominant due to efficient thermal dissipation, quiet operation, and wide operating temperature range.
• Gas-cooled SMRs: Fastest-growing due to compact size and adaptability in advanced projects.

By Application:

• Industrial: Dominant with 40.57% share in 2026, serving heating, steel, petrochemical, and manufacturing sectors.
• Power Generation: Fastest-growing segment globally, driven by rising energy demand.
• Desalination: Increasing use in water purification, particularly in Russia and China.

Regional Insights

China: Second-largest market at USD 2.09 billion in 2025, benefiting from state-backed nuclear initiatives and political commitment to SMR development.

Russia: Largest market in 2024 with USD 2.82 billion, driven by energy generation and industrial applications. Current twin reactors of 35 MW serve multiple purposes including emergency power.

Japan: Focus on reducing fossil fuel dependency and carbon emissions, aiming to increase nuclear power's share to 20% by 2040.

Rest of the World: Countries like the U.S., U.K., Canada, and Australia are investing in SMR projects ranging from 35-300 MW, targeting industrial and commercial energy needs.

Competitive Landscape

The global SMR market is highly fragmented, with key players emphasizing technological advancements. Notable companies include NuScale Power (U.S.), ThorCon Power (U.S.), Terrestrial Energy (U.S.), ARC Nucleare (Canada), Xenergy (U.S.), Babcock International (U.K.), Kurion (India), Westinghouse Electric (U.S.), Assystem (France), RollsRoyce (U.K.), Oklo Inc. (U.S.), and Holtec International (U.S.). Strategic collaborations and innovative reactor designs, such as those initiated by Google and Electricite de France in 2024-2025, are fostering market growth.

Conclusion

The global small modular reactor market is projected to grow from USD 5.96 billion in 2025 to USD 8.77 billion by 2034, driven by rising clean energy demand, industrial applications, and multi-module deployment. China and Russia lead in technological adoption, while emerging players like India are investing heavily for future capacity expansion. Despite challenges such as high initial costs and regulatory barriers, SMRs present a reliable, flexible, and low-carbon energy solution poised to transform the global nuclear energy landscape.

Segmentation By Module

• Multi Module
• Single Module

By Technology

• Water Cooled
• Gas Cooled

By Power Output

• Up to 100 MW
• 101 to 200 MW
• 201 to 300 MW

By Application

• Power Generation
• Industrial
• Desalination
• Others

By Country

• Russia
• China
• Japan
• Rest of the World

Table of Content

1. Introduction

• 1.1. Research Scope
• 1.2. Market Segmentation
• 1.3. Research Methodology
• 1.4. Definitions & Assumptions

2. Executive Summary

3. Market Dynamics

• 3.1. Market Drivers
• 3.2. Market Restraints
• 3.3. Market Opportunities

4. Key Insights

• 4.1. Key Emerging Trends - For Major Countries
• 4.2. Latest Technological Advancement
• 4.3. Insight on Regulatory Landscape
• 4.4. Porters Five Forces Analysis
• 4.5. Impact of COVID-19 on the Global Small Modular Reactor Market

5. Global Small Modular Reactor Market (USD Billion) Analysis, Insights, and Forecast, 2021-2034

• 5.1. Key Findings
• 5.2. Market Analysis, Insights, and Forecast - By Module
  • 5.2.1. Single Module
  • 5.2.2. Multi Module
• 5.3. Market Analysis, Insights, and Forecast - By Technology
  • 5.3.1. Water Cooled
  • 5.3.2. Gas Cooled
• 5.4. Market Analysis, Insights, and Forecast - By Power Output
  • 5.4.1. Up to 100 MW
  • 5.4.2. 101 to 200 MW
  • 5.4.3. 201 to 300 MW
• 5.5. Market Analysis, Insights, and Forecast - By Application
  • 5.5.1. Power Generation
  • 5.5.2. Industrial
  • 5.5.3. Desalination
  • 5.5.4. Others
• 5.6. Market Analysis, Insights, and Forecast - By Country
  • 5.6.1. Russia
  • 5.6.2. China
  • 5.6.3. Japan
  • 5.6.4. Rest of World

6. Competitive Analysis

• 6.1. Company Market Share Analysis, 2025
• 6.2. Company Profile
  • 6.2.1. NuScale Power
    • 6.2.1.1. Business Overview
    • 6.2.1.2. Product & Services Offerings
    • 6.2.1.3. Recent Developments
    • 6.2.1.4. Financials (Based on Availability)
  • 6.2.2. ThorCon Power
    • 6.2.2.1. Business Overview
    • 6.2.2.2. Product & Services Offerings
    • 6.2.2.3. Recent Developments
    • 6.2.2.4. Financials (Based on Availability)
  • 6.2.3. Terrestrial Energy
    • 6.2.3.1. Business Overview
    • 6.2.3.2. Product & Services Offerings
    • 6.2.3.3. Recent Developments
    • 6.2.3.4. Financials (Based on Availability)
  • 6.2.4. ARC Nucleare
    • 6.2.4.1. Business Overview
    • 6.2.4.2. Product & Services Offerings
    • 6.2.4.3. Recent Developments
    • 6.2.4.4. Financials (Based on Availability)
  • 6.2.5. Xenergy
    • 6.2.5.1. Business Overview
    • 6.2.5.2. Product & Services Offerings
    • 6.2.5.3. Recent Developments
    • 6.2.5.4. Financials (Based on Availability)
  • 6.2.6. Babcock International Group
    • 6.2.6.1. Business Overview
    • 6.2.6.2. Product & Services Offerings
    • 6.2.6.3. Recent Developments
    • 6.2.6.4. Financials (Based on Availability)
  • 6.2.7. Kurion
    • 6.2.7.1. Business Overview
    • 6.2.7.2. Product & Services Offerings
    • 6.2.7.3. Recent Developments
    • 6.2.7.4. Financials (Based on Availability)
  • 6.2.8. Westinghouse Electric Company
    • 6.2.8.1. Business Overview
    • 6.2.8.2. Product & Services Offerings
    • 6.2.8.3. Recent Developments
    • 6.2.8.4. Financials (Based on Availability)
  • 6.2.9. Assystem
    • 6.2.9.1. Business Overview
    • 6.2.9.2. Product & Services Offerings
    • 6.2.9.3. Recent Developments
    • 6.2.9.4. Financials (Based on Availability)
  • 6.2.10. RollsRoyce plc
    • 6.2.10.1. Business Overview
    • 6.2.10.2. Product & Services Offerings
    • 6.2.10.3. Recent Developments
    • 6.2.10.4. Financials (Based on Availability)
  • 6.2.11. Oklo Inc.
    • 6.2.11.1. Business Overview
    • 6.2.11.2. Product & Services Offerings
    • 6.2.11.3. Recent Developments
    • 6.2.11.4. Financials (Based on Availability)
  • 6.2.12. Holtec International
    • 6.2.12.1. Business Overview
    • 6.2.12.2. Product & Services Offerings
    • 6.2.12.3. Recent Developments
    • 6.2.12.4. Financials (Based on Availability)