Global Nuclear Reactor Construction Market Size Likely to Grow at a CAGR of 2.47% By 2034

Nuclear Reactor Construction Market Size 

Global Nuclear Reactor Construction Market size was valued at USD 7.73 Billion in 2025 and is expected to reach USD 9.51 Billion by 2034, at a CAGR of 2.47% during the forecast period 2025 – 2034.

Nuclear Reactor Construction Market Overview

Nuclear reactor construction is the process of building and assembling specifically needed components to generate nuclear power. A nuclear reactor converts nuclear energy, releases it as heat energy, and turns it into electricity. The preparation of a nuclear reactor vessel and its associated systems, including control rods, coolant systems, and safety features.

Building a nuclear reactor is a complicated task that requires careful planning and engineering expertise, as the process is highly regulated. These stages may include, for example, preparation of the site, design and licensing, parts production, and assembly of the reactor itself. This part also contains various safety systems, ensuring that any malfunction is mitigated, fearlessly taking on extreme situations.

One of the main factors fueling the market is the growing energy demand in the world. Electricity consumption demand is also expected to grow, and it snaps to the world population growth.

Moreover, with a growing demand for energy across the globe, nuclear energy is seen as a reliable and cost-effective way to cater to these demands at a time when other energy sources can be either limiting or expensive, adding a positive market outlook. Other than all this, the concern regarding climate change has led to the construction of many nuclear reactors in 2023.

Additionally, the global community is more into moving towards a carbon world as the need of the hour is to reduce greenhouse gas emissions, and therefore, the need for nuclear power is always increasing. Apart from this, governments from many other nations are taking diverse steps to enable clean energy and curb carbon emissions.

This led to the building of nuclear reactors because nuclear power, according to them, is a major element to make this a reality. In addition, governments are offering incentives and subsidies, which encourage the construction of new nuclear reactors to meet the growing demand, which is significantly contributing to the growth of the market. In addition, the market is growing due to some substantial advancements in nuclear technology.

For example, new designs for nuclear reactors are being developed that promise to be safer, more efficient, and generate less waste than existing designs. Because of these, nuclear power is becoming a more attractive option for numerous countries, generating market expansion.

By Product Type, the Global Nuclear Reactor Construction Market is segmented by Pressurized Water Reactor (PWR), Pressurized Heavy Water Reactor (PHWR), Boiling Water Reactor (BWR), High-temperature Gas Cooled Reactor (HTGCR), and Liquid Metal Fast Breeder Reactor (LMFBR).

The Pressurized Water Reactor (PWR) segment accounted for the largest share of the global nuclear reactor construction market owing to its widespread use, established safety features, and operational efficiency. PWRs constitute almost 60% of the world’s operable nuclear reactors and are by far the most prevalent reactor type used in currently existing and new nuclear power plants.

The Nuclear Reactor Construction System market is segmented across Asia Pacific, North America, Latin America, Europe, and the Middle East & Africa. As a result of network hardening, rising energy demand, and substantial investment in nuclear power, China, India, and Japan can see the most significant share in the Asia-Pacific (APAC) region in the Nuclear Reactor Construction Market.

The need for sustainable and reliable sources of energy to sustain economic growth and rapid urbanization, along with some of the world’s largest nuclear reactor construction projects in this region, has been expected to drive the Nuclear Power Market.

Report Scope

CMI has comprehensively analyzed the Global Nuclear Reactor Construction market. The driving forces, restraints, challenges, opportunities, and key trends have been explained in depth to depict an in-depth scenario of the market. Segment-wise market size and market share during the forecast period are duly addressed to portray the probable picture of this Global Nuclear Reactor Construction industry.

The competitive landscape includes key innovators, after-market service providers, market giants, and niche players. These are studied and analyzed extensively concerning their strengths, weaknesses, and value addition prospects. In addition, this report covers key player profiling, market shares, mergers and acquisitions, consequent market fragmentation, new trends, and dynamics in partnerships.

List of the prominent players in the Nuclear Reactor Construction Market:

• GE-Hitachi Nuclear Energy Inc.
• Westinghouse Electric Company LLC
• KEPCO Engineering & Construction
• ŠKODA JS a.s.
• China National Nuclear Corporation (CNNC)
• Bilfinger SE
• Larsen & Toubro Limited
• Doosan Heavy Industries & Construction Co. Ltd.
• Mitsubishi Heavy Industries Ltd.
• Dongfang Electric Corporation Limited
• Framatome
• Rosatom
• Holtec International
• Rolls-Royce
• NuScale Power
• Oklo
• BWX Technologies
• Centrus Energy Corp.
• TerraPower
• Valar Atomics
• Others

The Nuclear Reactor Construction Market is segmented as follows:

By Reactor Type

• Pressurized Water Reactor (PWR) and Pressurized Heavy Water Reactor (PHWR)
• Boiling Water Reactor (BWR)
• High-temperature Gas Cooled Reactor (HTGCR).
• Liquid Metal Fast Breeder Reactor (LMFBR)

By Service

• Equipment
• Installation

Regional Coverage:

North America

• U.S.
• Canada
• Mexico
• Rest of North America

Europe

• Germany
• France
• U.K.
• Russia
• Italy
• Spain
• Netherlands
• Rest of Europe

Asia Pacific

• China
• Japan
• India
• New Zealand
• Australia
• South Korea
• Taiwan
• Rest of Asia Pacific

The Middle East & Africa

• Saudi Arabia
• UAE
• Egypt
• Kuwait
• South Africa
• Rest of the Middle East & Africa

Latin America

• Brazil
• Argentina
• Rest of Latin America