Japan Nuclear Power Reactor Decommissioning Market Report by Reactor Type, Application, Capacity, and Region 2026-2034

Description

Japan nuclear power reactor decommissioning market size reached USD 396.1 Million in 2025. Looking forward, IMARC Group expects the market to reach USD 540.6 Million by 2034, exhibiting a growth rate (CAGR) of 3.52% during 2026-2034. Numerous technological innovations, stringent safety standards, aging infrastructure, international collaboration, and a focus on public engagement represent some of the key factors driving the market.

Nuclear power reactor decommissioning is a complex and multifaceted process that marks the end of a nuclear power plant's operational life. It entails the systematic and safe dismantling of the facility and its associated infrastructure, ensuring that radioactive materials are managed, contained, and ultimately disposed of in a manner that safeguards both human health and the environment. The decision to decommission a nuclear power reactor can arise from various factors, including the plant's age, regulatory requirements, or shifts in energy policy. Regardless of the reason, the decommissioning process is a highly regulated and meticulously planned endeavor that demands meticulous project management, rigorous safety measures, and adherence to stringent environmental standards. Nuclear power reactor decommissioning involves several key stages, including decontamination, dismantling, waste management, and site restoration. Each of these phases is executed with utmost care to minimize radiation exposure to workers, prevent the release of radioactive materials, and restore the site to a condition suitable for other uses or long-term monitoring.

Japan Nuclear Power Reactor Decommissioning Market Trends:

The nuclear power reactor decommissioning market in Japan has emerged as a significant and evolving sector, driven by a complex interplay of factors, including regulatory imperatives, technological advancements, and a commitment to managing the legacy of nuclear power. The nuclear power reactor decommissioning market in Japan has emerged as a significant and evolving sector, driven by a complex interplay of factors, including regulatory imperatives, technological advancements, and a commitment to managing the legacy of nuclear power. Besides this, stringent safety and regulatory compliance standards are driving the regional market. Moreover, Japan's nuclear reactors are aging and reaching the end of their operational lives. This aging infrastructure presents both challenges and opportunities for decommissioning service providers, as they work to safely dismantle and decontaminate these facilities. Public engagement and transparency have become central to Japan's nuclear decommissioning efforts. This, in turn, is projected to bolster the regional market in the coming years.

Japan Nuclear Power Reactor Decommissioning Market Segmentation:

Reactor Type Insights:

Pressurized Water Reactor
Pressurized Heavy Water Reactor
Boiling Water Reactor
High-temperature Gas-cooled Reactor
Liquid Metal Fast Breeder Reactor
Others

Application Insights:

Commercial Power Reactor
Prototype Power Reactor
Research Reactor

Capacity Insights:

Below 100 MW
100-1000 MW
Above 1000 MW

Regional Insights:

Kanto Region
Kansai/Kinki Region
Central/ Chubu Region
Kyushu-Okinawa Region
Tohoku Region
Chugoku Region
Hokkaido Region
Shikoku Region
The report has also provided a comprehensive analysis of all the major regional markets, which include Kanto Region, Kansai/Kinki Region, Central/ Chubu Region, Kyushu-Okinawa Region, Tohoku Region, Chugoku Region, Hokkaido Region, and Shikoku Region.

Competitive Landscape:

The market research report has also provided a comprehensive analysis of the competitive landscape in the market. Competitive analysis such as market structure, key player positioning, top winning strategies, competitive dashboard, and company evaluation quadrant has been covered in the report. Also, detailed profiles of all major companies have been provided.

Key Questions Answered in This Report:

How has the Japan nuclear power reactor decommissioning market performed so far and how will it perform in the coming years?
What has been the impact of COVID-19 on the Japan nuclear power reactor decommissioning market?
What is the breakup of the Japan nuclear power reactor decommissioning market on the basis of reactor type?
What is the breakup of the Japan nuclear power reactor decommissioning market on the basis of application?
What is the breakup of the Japan nuclear power reactor decommissioning market on the basis of capacity?
What are the various stages in the value chain of the Japan nuclear power reactor decommissioning market?
What are the key driving factors and challenges in the Japan nuclear power reactor decommissioning?
What is the structure of the Japan nuclear power reactor decommissioning market and who are the key players?
What is the degree of competition in the Japan nuclear power reactor decommissioning market?

Product Code: SR112026A16043

1 Preface

2 Scope and Methodology

2.1 Objectives of the Study
2.2 Stakeholders
2.3 Data Sources
- 2.3.1 Primary Sources
- 2.3.2 Secondary Sources
2.4 Market Estimation
- 2.4.1 Bottom-Up Approach
- 2.4.2 Top-Down Approach
2.5 Forecasting Methodology

3 Executive Summary

4 Japan Nuclear Power Reactor Decommissioning Market - Introduction

4.1 Overview
4.2 Market Dynamics
4.3 Industry Trends
4.4 Competitive Intelligence

5 Japan Nuclear Power Reactor Decommissioning Market Landscape

5.1 Historical and Current Market Trends (2020-2025)
5.2 Market Forecast (2026-2034)

6 Japan Nuclear Power Reactor Decommissioning Market - Breakup by Reactor Type

6.1 Pressurized Water Reactor
- 6.1.1 Overview
- 6.1.2 Historical and Current Market Trends (2020-2025)
- 6.1.3 Market Forecast (2026-2034)
6.2 Pressurized Heavy Water Reactor
- 6.2.1 Overview
- 6.2.2 Historical and Current Market Trends (2020-2025)
- 6.2.3 Market Forecast (2026-2034)
6.3 Boiling Water Reactor
- 6.3.1 Overview
- 6.3.2 Historical and Current Market Trends (2020-2025)
- 6.3.3 Market Forecast (2026-2034)
6.4 High-temperature Gas-cooled Reactor
- 6.4.1 Overview
- 6.4.2 Historical and Current Market Trends (2020-2025)
- 6.4.3 Market Forecast (2026-2034)
6.5 Liquid Metal Fast Breeder Reactor
- 6.5.1 Overview
- 6.5.2 Historical and Current Market Trends (2020-2025)
- 6.5.3 Market Forecast (2026-2034)
6.6 Others
- 6.6.1 Historical and Current Market Trends (2020-2025)
- 6.6.2 Market Forecast (2026-2034)

7 Japan Nuclear Power Reactor Decommissioning Market - Breakup by Application

7.1 Commercial Power Reactor
- 7.1.1 Overview
- 7.1.2 Historical and Current Market Trends (2020-2025)
- 7.1.3 Market Forecast (2026-2034)
7.2 Prototype Power Reactor
- 7.2.1 Overview
- 7.2.2 Historical and Current Market Trends (2020-2025)
- 7.2.3 Market Forecast (2026-2034)
7.3 Research Reactor
- 7.3.1 Overview
- 7.3.2 Historical and Current Market Trends (2020-2025)
- 7.3.3 Market Forecast (2026-2034)

8 Japan Nuclear Power Reactor Decommissioning Market - Breakup by Capacity

8.1 Below 100 MW
- 8.1.1 Overview
- 8.1.2 Historical and Current Market Trends (2020-2025)
- 8.1.3 Market Forecast (2026-2034)
8.2 100-1000 MW
- 8.2.1 Overview
- 8.2.2 Historical and Current Market Trends (2020-2025)
- 8.2.3 Market Forecast (2026-2034)
8.3 Above 1000 MW
- 8.3.1 Overview
- 8.3.2 Historical and Current Market Trends (2020-2025)
- 8.3.3 Market Forecast (2026-2034)

9 Japan Nuclear Power Reactor Decommissioning Market - Breakup by Region

9.1 Kanto Region
- 9.1.1 Overview
- 9.1.2 Historical and Current Market Trends (2020-2025)
- 9.1.3 Market Breakup by Reactor Type
- 9.1.4 Market Breakup by Application
- 9.1.5 Market Breakup by Capacity
- 9.1.6 Key Players
- 9.1.7 Market Forecast (2026-2034)
9.2 Kansai/Kinki Region
- 9.2.1 Overview
- 9.2.2 Historical and Current Market Trends (2020-2025)
- 9.2.3 Market Breakup by Reactor Type
- 9.2.4 Market Breakup by Application
- 9.2.5 Market Breakup by Capacity
- 9.2.6 Key Players
- 9.2.7 Market Forecast (2026-2034)
9.3 Central/ Chubu Region
- 9.3.1 Overview
- 9.3.2 Historical and Current Market Trends (2020-2025)
- 9.3.3 Market Breakup by Reactor Type
- 9.3.4 Market Breakup by Application
- 9.3.5 Market Breakup by Capacity
- 9.3.6 Key Players
- 9.3.7 Market Forecast (2026-2034)
9.4 Kyushu-Okinawa Region
- 9.4.1 Overview
- 9.4.2 Historical and Current Market Trends (2020-2025)
- 9.4.3 Market Breakup by Reactor Type
- 9.4.4 Market Breakup by Application
- 9.4.5 Market Breakup by Capacity
- 9.4.6 Key Players
- 9.4.7 Market Forecast (2026-2034)
9.5 Tohoku Region
- 9.5.1 Overview
- 9.5.2 Historical and Current Market Trends (2020-2025)
- 9.5.3 Market Breakup by Reactor Type
- 9.5.4 Market Breakup by Application
- 9.5.5 Market Breakup by Capacity
- 9.5.6 Key Players
- 9.5.7 Market Forecast (2026-2034)
9.6 Chugoku Region
- 9.6.1 Overview
- 9.6.2 Historical and Current Market Trends (2020-2025)
- 9.6.3 Market Breakup by Reactor Type
- 9.6.4 Market Breakup by Application
- 9.6.5 Market Breakup by Capacity
- 9.6.6 Key Players
- 9.6.7 Market Forecast (2026-2034)
9.7 Hokkaido Region
- 9.7.1 Overview
- 9.7.2 Historical and Current Market Trends (2020-2025)
- 9.7.3 Market Breakup by Reactor Type
- 9.7.4 Market Breakup by Application
- 9.7.5 Market Breakup by Capacity
- 9.7.6 Key Players
- 9.7.7 Market Forecast (2026-2034)
9.8 Shikoku Region
- 9.8.1 Overview
- 9.8.2 Historical and Current Market Trends (2020-2025)
- 9.8.3 Market Breakup by Reactor Type
- 9.8.4 Market Breakup by Application
- 9.8.5 Market Breakup by Capacity
- 9.8.6 Key Players
- 9.8.7 Market Forecast (2026-2034)

10 Japan Nuclear Power Reactor Decommissioning Market - Competitive Landscape

10.1 Overview
10.2 Market Structure
10.3 Market Player Positioning
10.4 Top Winning Strategies
10.5 Competitive Dashboard
10.6 Company Evaluation Quadrant

11 Profiles of Key Players

11.1 Company A
- 11.1.1 Business Overview
- 11.1.2 Product Portfolio
- 11.1.3 Business Strategies
- 11.1.4 SWOT Analysis
- 11.1.5 Major News and Events
11.2 Company B
- 11.2.1 Business Overview
- 11.2.2 Product Portfolio
- 11.2.3 Business Strategies
- 11.2.4 SWOT Analysis
- 11.2.5 Major News and Events
11.3 Company C
- 11.3.1 Business Overview
- 11.3.2 Product Portfolio
- 11.3.3 Business Strategies
- 11.3.4 SWOT Analysis
- 11.3.5 Major News and Events
11.4 Company D
- 11.4.1 Business Overview
- 11.4.2 Product Portfolio
- 11.4.3 Business Strategies
- 11.4.4 SWOT Analysis
- 11.4.5 Major News and Events
11.5 Company E
- 11.5.1 Business Overview
- 11.5.2 Product Portfolio
- 11.5.3 Business Strategies
- 11.5.4 SWOT Analysis
- 11.5.5 Major News and Events

12 Japan Nuclear Power Reactor Decommissioning Market - Industry Analysis

12.1 Drivers, Restraints, and Opportunities
- 12.1.1 Overview
- 12.1.2 Drivers
- 12.1.3 Restraints
- 12.1.4 Opportunities
12.2 Porters Five Forces Analysis
- 12.2.1 Overview
- 12.2.2 Bargaining Power of Buyers
- 12.2.3 Bargaining Power of Suppliers
- 12.2.4 Degree of Competition
- 12.2.5 Threat of New Entrants
- 12.2.6 Threat of Substitutes
12.3 Value Chain Analysis