Summary

Market Overview
The North America Nuclear Reactor Construction Market was valued at USD 19.35 billion in 2024 and is projected to reach USD 21.99 billion by 2030, growing at a CAGR of 2.15% during the forecast period. This market encompasses the planning, engineering, and building of nuclear reactors across the United States, Canada, and Mexico. These reactors are integral to power generation facilities, supporting large-scale electricity production through controlled nuclear fission.
The resurgence of interest in nuclear energy is driven by the region’s urgent need for energy security and carbon reduction strategies, positioning nuclear power as a key element in achieving long-term sustainability goals. Rising electricity demand across industrial, residential, and commercial sectors has intensified government support for nuclear development. In the U.S., policies like the Inflation Reduction Act and state-level clean energy mandates have spurred renewed momentum for reactor construction, including cost-effective small modular reactors (SMRs) with improved safety profiles.
Canada is advancing its nuclear capacity to meet decarbonization goals, especially in provinces heavily reliant on fossil fuels. Meanwhile, Mexico is exploring nuclear expansion to diversify its energy portfolio. These national strategies are reinforced by innovations in reactor designs—particularly Generation IV and micro-reactors—and by growing public-private investment in reliable, base-load energy infrastructure.
Modernization needs are also shaping the market, as many of the region’s existing reactors approach the end of their operational life. This creates new opportunities for replacements and expansions. Despite challenges such as lengthy regulatory processes and capital-intensive builds, policy shifts and federal funding are gradually easing barriers. As intermittent renewable sources gain prominence, nuclear reactors are emerging as essential low-carbon complements, ensuring consistent electricity supply and reinforcing grid resilience across North America.
Key Market Drivers
Rising Demand for Low-Carbon Base Load Power to Ensure Grid Reliability
The increasing focus on decarbonization and grid stability is a major factor propelling the North America nuclear reactor construction market. Unlike variable renewable sources, nuclear power delivers continuous and low-emission electricity, making it indispensable for maintaining base load supply and supporting the integration of renewables.
Governments in the U.S. and Canada are reinforcing their clean energy commitments with initiatives supporting nuclear energy. In the U.S., the Department of Energy’s Advanced Reactor Demonstration Program is actively backing next-generation reactor projects. Similarly, Canadian provinces are exploring SMRs as a pathway to reduce emissions and promote regional energy security.
Additionally, energy-intensive sectors such as manufacturing and mining are recognizing the value of stable, carbon-free electricity. Nuclear power’s ability to support decarbonization targets while ensuring operational continuity is further elevating its strategic relevance in North America's energy transition.
Key Market Challenges
High Capital Costs and Uncertain Project Economics
The nuclear reactor construction market in North America faces persistent challenges related to high upfront investment and project cost uncertainties. Building a nuclear reactor involves multibillion-dollar expenditures and extended development timelines, which are often plagued by delays and budget overruns.
Complex design requirements, rigorous safety protocols, and lengthy regulatory approvals contribute to these cost escalations. Notable examples, such as the cost overruns at the Vogtle plant in the U.S., highlight the financial risks associated with large-scale nuclear projects. These challenges make it difficult for developers and utilities to justify investment, particularly in a competitive landscape where solar and wind projects offer shorter construction times and decreasing costs.
The perception of economic risk deters financing and can stall progress on new nuclear builds, especially in markets where immediate cost recovery is a critical consideration.
Key Market Trends
Rising Interest in Small Modular Reactor Deployment
A major trend shaping the market is the increasing emphasis on small modular reactors (SMRs), which offer solutions to many of the cost and scalability challenges associated with traditional nuclear power plants. SMRs are factory-fabricated and can be deployed in modular phases, resulting in reduced construction times, improved cost predictability, and enhanced safety.
These reactors are particularly suited for remote locations, industrial operations, and areas with limited grid access. Pilot projects are being advanced in both the U.S. and Canada through public-private partnerships, with government backing and regulatory streamlining helping accelerate adoption.
As SMRs move closer to commercialization, they are expected to become a central pillar in nuclear expansion strategies, reinforcing energy diversification and supporting regional clean energy targets.
Key Market Players
• Bechtel Corporation
• Westinghouse Electric Company LLC
• Fluor Corporation
• Kiewit Corporation
• Siemens AG
• Toshiba Corporation
• McDermott International, Ltd.
• Larsen & Toubro Limited
Report Scope:
In this report, the North America Nuclear Reactor Construction Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:
• North America Nuclear Reactor Construction Market, By Reactor Type:
o Pressurized Water Reactors
o Boiling Water Reactors
o Advanced Reactors
• North America Nuclear Reactor Construction Market, By Application:
o Baseload Electricity Generation
o Desalination & Process Heat
o Marine Propulsion
o Others
• North America Nuclear Reactor Construction Market, By Country:
o United States
o Canada
o Mexico
Competitive Landscape
Company Profiles: Detailed analysis of the major companies present in the North America Nuclear Reactor Construction Market.
Available Customizations:
North America Nuclear Reactor Construction Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:
Company Information
• Detailed analysis and profiling of additional market players (up to five).

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Table of Contents

1. Product Overview
1.1. Market Definition
1.2. Scope of the Market
1.2.1. Markets Covered
1.2.2. Years Considered for Study
1.3. Key Market Segmentations
2. Research Methodology
2.1. Objective of the Study
2.2. Baseline Methodology
2.3. Formulation of the Scope
2.4. Assumptions and Limitations
2.5. Sources of Research
2.5.1. Secondary Research
2.5.2. Primary Research
2.6. Approach for the Market Study
2.6.1. The Bottom-Up Approach
2.6.2. The Top-Down Approach
2.7. Methodology Followed for Calculation of Market Size & Market Shares
2.8. Forecasting Methodology
2.8.1. Data Triangulation & Validation
3. Executive Summary
3.1. Overview of the Market
3.2. Overview of Key Market Segmentations
3.3. Overview of Key Market Players
3.4. Overview of Key Regions/Countries
3.5. Overview of Market Drivers, Challenges, and Trends
4. Voice of Customer
5. North America Nuclear Reactor Construction Market Outlook
5.1. Market Size & Forecast
5.1.1. By Value
5.2. Market Share & Forecast
5.2.1. By Reactor Type (Pressurized Water Reactors, Boiling Water Reactors, Advanced Reactors)
5.2.2. By Application (Baseload Electricity Generation, Desalination & Process Heat, Marine Propulsion, Others)
5.2.3. By Country (United States, Canada, Mexico)
5.2.4. By Company (2024)
5.3. Market Map
6. United States Nuclear Reactor Construction Market Outlook
6.1. Market Size & Forecast
6.1.1. By Value
6.2. Market Share & Forecast
6.2.1. By Reactor Type
6.2.2. By Application
7. Canada Nuclear Reactor Construction Market Outlook
7.1. Market Size & Forecast
7.1.1. By Value
7.2. Market Share & Forecast
7.2.1. By Reactor Type
7.2.2. By Application
8. Mexico Nuclear Reactor Construction Market Outlook
8.1. Market Size & Forecast
8.1.1. By Value
8.2. Market Share & Forecast
8.2.1. By Reactor Type
8.2.2. By Application
9. Market Dynamics
9.1. Drivers
9.2. Challenges
10. Market Trends & Developments
10.1. Merger & Acquisition (If Any)
10.2. Product Launches (If Any)
10.3. Recent Developments
11. Company Profiles
11.1. Bechtel Corporation
11.1.1. Business Overview
11.1.2. Key Revenue and Financials
11.1.3. Recent Developments
11.1.4. Key Personnel/Key Contact Person
11.1.5. Key Product/Services Offered
11.2. Westinghouse Electric Company LLC
11.3. Fluor Corporation
11.4. Kiewit Corporation
11.5. Siemens AG
11.6. Toshiba Corporation
11.7. McDermott International, Ltd.
11.8. Larsen & Toubro Limited
12. Strategic Recommendations
13. About Us & Disclaimer