Press release
Nuclear Reactor Decommissioning Market to Expand to US$ 94.3 Billion by 2031 at 2.7% CAGR, Fueled by Europe and North America Needs | Environmental Cleanup, Asset Recovery, Safety Upgrades | Key Players:- AECOM, Orano
Nuclear Reactor Decommissioning Market 2026-2033
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Global Nuclear Reactor Decommissioning Market reached US$ 76.5 billion in 2022 and is expected to reach US$ 94.3 billion by 2031, growing with a CAGR of 2.7% during the forecast period 2026-2033.
The Nuclear Reactor Decommissioning Market refers to the specialized industry focused on the safe shutdown, dismantling, and site restoration of nuclear power plants and research reactors after the end of their operational life. This process involves handling radioactive materials, decontamination, waste management, and long term environmental monitoring to ensure public and ecological safety. The market encompasses services such as immediate dismantling, safe enclosure, and entombment, supported by advanced engineering, robotics, and waste treatment technologies to manage complex nuclear infrastructure.
The growth of this market is primarily driven by the increasing number of aging nuclear reactors built in the 1970s and 1980s that are now reaching retirement, along with stricter government regulations on radiation safety and environmental protection. In line with recent trends, the global shift toward renewable energy and nuclear phase out policies in several countries is accelerating reactor shutdowns, thereby boosting demand for decommissioning services. Additionally, advancements in robotics, remote handling systems, and waste minimization techniques are improving operational efficiency and safety, further supporting market expansion.
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Nuclear Reactor Decommissioning Market Recent development 2025-2026
United States
✅ March 11, 2026: Amentum was awarded a $112 million contract to lead nuclear decommissioning services across multiple international nuclear research sites, strengthening U.S.-based expertise in complex reactor dismantling and waste management projects.
✅ February 2026: EnergySolutions successfully completed the decommissioning of a commercial nuclear reactor in California, deploying advanced waste processing and site remediation technologies to accelerate project timelines and improve environmental safety.
✅ January 2026: Holtec International continued large-scale decommissioning and site cleanup operations under U.S. Nuclear Regulatory Commission (NRC) oversight, focusing on safe dismantling and expansion of dry cask storage solutions for spent nuclear fuel.
✅ January 2026: The U.S. Department of Energy (DOE) advanced its Deactivation and Decommissioning (D&D) program, emphasizing hazard reduction, radioactive waste management, and long-term environmental remediation of retired nuclear facilities.
✅ December 2025: Westinghouse Electric Company initiated reactor dismantling activities at a retired Midwest nuclear plant, integrating robotics and remote handling systems to enhance worker safety and operational efficiency.
Asia Pacific / Japan
✅ March 11, 2026: Finland (Asia-Pacific associated market influence via technology export) completed the full decommissioning of the FiR 1 research reactor, marking a major milestone in advanced reactor dismantling and site reuse strategies applicable across global markets including Japan.
✅ February 2026: Japan Atomic Power Company initiated decommissioning of the Tokai nuclear facility, utilizing remote-controlled dismantling technologies to reduce radiation exposure and improve precision in reactor component removal.
✅ January 2026: Hitachi-GE Nuclear Energy advanced collaborative spent fuel disposal and decommissioning solutions in Japan, focusing on long-term radioactive waste handling and storage optimization.
✅ December 22, 2025: Sellafield Ltd (UK) and Tokyo Electric Power Company (TEPCO) expanded their strategic collaboration on complex nuclear decommissioning projects, particularly sharing expertise related to Fukushima Daiichi cleanup operations.
✅ December 2025: The Japanese government approved advanced radioactive waste treatment and decommissioning technologies, accelerating safe dismantling of aging nuclear reactors and strengthening regulatory frameworks for long-term site management.
Strategic M&A(2025-2026)-
December 2025: Sogin S.p.A. (Italy's state-owned nuclear decommissioning company) was authorized by the Italian government to acquire 100% of Deposito Avogadro from Stellantis, including a former nuclear reactor site used for spent fuel storage, strengthening national decommissioning and waste management capabilities.
April 2025: NorthStar Group Services Inc. acquired the Vallecitos Nuclear Center from GE Hitachi Nuclear Energy for an undisclosed amount to expand its nuclear decommissioning, decontamination, and environmental site restoration portfolio.
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Major Market Players
SNC-Lavalin Group | Westinghouse Electric Company | AECOM | Orano | Studsvik | Babcock International Group | Bechtel Corporation | EnergySolutions | Magnox Ltd | NorthStar Group Services
Nuclear Reactor Decommissioning Market Market Segmentation Analysis-
By Technology (Safe Storage (SAFSTOR), Decontamination (DECON), Other),
By Reactor Size (Large Reactors, Small Reactors),
-By Type: Immediate Dismantling Gains Regulatory Preference
Immediate Dismantling leads with 52% share, favored by regulators for faster site reuse and reduced long-term monitoring risks.
Safe Enclosure captures 33%, allowing phased decommissioning with cost deferral strategies.
Entombment holds 15%, limited to specific cases due to environmental and policy constraints.
-By Reactor Type: Pressurized Water Reactors (PWRs) Lead Installed Base
Pressurized Water Reactors dominate at 44%, reflecting their large global installed base and increasing retirements.
Boiling Water Reactors account for 26%, driven by decommissioning in mature nuclear markets.
Gas-Cooled Reactors hold 14%, mainly in the UK and parts of Europe.
Fast Neutron Reactors represent 9%, with limited but complex projects.
Others contribute 7%, including experimental and hybrid reactor types.
Regional Insights
Europe: 36% (Largest share, driven by aggressive nuclear phase-out policies in countries like Germany and the UK, strong regulatory frameworks, and a high concentration of aging reactors requiring decommissioning).
North America: 30% (Second-largest share, dominated by the United States due to a large fleet of retired reactors, advanced decommissioning technologies, and strong regulatory oversight from federal agencies).
Asia Pacific: 22% (Fastest growing region, led by Japan with significant decommissioning activities such as Fukushima cleanup, along with increasing reactor retirements across China and South Korea).
Growth Forecast Projected 2033:
The Global Nuclear Reactor Decommissioning Market is anticipated to rise at a considerable rate during the forecast period, between 2026 and 2033. In 2025, the market is growing at a steady rate, and with the rising adoption of strategies by key players, the market is expected to rise over the projected horizon.
How Our Market Research Process Works:
The global Nuclear Reactor Decommissioning Market research report is developed using a comprehensive combination of primary and secondary data sources. The study evaluates a wide range of industry-influencing factors, including government regulations, evolving market dynamics, competitive intensity, and historical performance trends. It also analyzes technological advancements, emerging innovations, and developments across related industries. In addition, the report assesses market volatility, growth opportunities, potential barriers, and key challenges that could impact the future expansion of the Low-Power Wide-Area Network ecosystem.
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