The global nuclear power plant operation and maintenance market was valued at USD 68.80 Billion in 2025. The industry is expected to grow at a CAGR of 4.70% during the forecast period of 2026-2035 to attain a valuation of USD 108.91 Billion by 2035.
Base Year
Historical Period
Forecast Period
Currently, nuclear energy accounts for approximately 9% of global electricity generation, derived from around 440 operational power reactors.
Nuclear energy ranks as the second largest source of low-carbon electricity globally, leading to the expansion of nuclear power plant operation and maintenance market size.
At present, there are approximately 13,080 nuclear warheads in existence globally.
Compound Annual Growth Rate
4.7%
Value in USD Billion
2026-2035
*this image is indicative*
| Global Nuclear Power Plant Operation and Maintenance Market Report Summary | Description | Value |
| Base Year | USD Billion | 2025 |
| Historical Period | USD Billion | 2019-2025 |
| Forecast Period | USD Billion | 2026-2035 |
| Market Size 2025 | USD Billion | 68.80 |
| Market Size 2035 | USD Billion | 108.91 |
| CAGR 2019-2025 | Percentage | XX% |
| CAGR 2026-2035 | Percentage | 4.70% |
| CAGR 2026-2035 - Market by Region | Middle East and Africa | 9.6% |
| CAGR 2026-2035 - Market by Region | Asia Pacific | 5.9% |
| CAGR 2026-2035 - Market by Type | Configuration Management | 5.4% |
| CAGR 2026-2035 - Market by End Use | Pressurised Water Reactor (PWR) | 5.3% |
| Market Share by Country | China | 21.0% |
Currently, nuclear energy accounts for approximately 9% of the global electricity supply. In 2023, fourteen nations derived at least 25% of their electricity from nuclear sources. France relies on nuclear energy for nearly 70% of its electricity, while Ukraine, Slovakia, and Hungary obtain about half of their electricity from this source. Japan, which previously depended on nuclear power for over 25% of its electricity, is anticipated to return to a similar level soon. The increasing global demand for energy underscores the necessity for dependable and stable energy sources such as nuclear power, prompting greater investment in the operation and maintenance of nuclear facilities, leading to nuclear power plant operation and maintenance market expansion.
Advances in reactor technology and maintenance methodologies, along with remote monitoring systems, enhanced the efficiency and safety of the nuclear plants, enhancing the demand for sophisticated services in operation and maintenance. Stringent regulatory frameworks and safety protocols require consistent inspections, maintenance, and enhancements to guarantee the safe operation of nuclear facilities and adherence to compliance standards.
As per the nuclear power plant operation and maintenance market analysis, the establishment of new nuclear power plants and expansion initiatives in developing countries further amplifies the necessity for operational and maintenance expertise and services. Currently, Russia possesses the largest stockpile of nuclear weapons, estimated at 6,257 warheads, while the United States closely follows with a total of 5,550 nuclear weapons, thereby reflecting a robust market for nuclear power plant operation and maintenance facilities.
Ageing nuclear fleet, technological advancements, regulatory compliance, nuclear plant upgrades and refurbishments, rising government support, and expansion of nuclear power are the propelling the nuclear power plant operation and maintenance market growth.
Strict regulatory and safety compliance on nuclear facilities seek maximal safety and security in operating such elaborate and potentially hazardous facilities. This implies that such facilities must be inspected regularly to confirm their compliance with established safety procedures and other rules governing their operation.
Technological development, regulatory needs, and the challenge to continue with energy sources drive modernisation and upgrading efforts at existing nuclear facilities. As such, there is a rise for specific maintenance and operation service to be able to support these efforts.
As per nuclear power plant operation and maintenance market analysis, the industry witnesses a strong surge in demand for new nuclear plants as well as the expansion of existing projects in the developing countries because of services in operation and maintenance. Regarding energy resource diversification, the world is striving today to diminish its fossil fuel-based energy pool by leaning towards nuclear power as the viable and renewable source.
Increased public sector and government entity support for nuclear energy is building an investment-friendly climate for the nuclear industry. This results from the fact that nuclear power is a reliable and constant source of energy, meaning that supporting energy security and mitigating climate change is supported.
Numerous nuclear power facilities around the world are approaching the end of their operational lifespan, which typically spans several decades. As these facilities age, they require significant maintenance to ensure their continued safe operation.
Advancements in reactor technology, maintenance methodologies, and remote monitoring systems have led to substantial improvements in the efficiency and safety of power plants. These innovations not only enhance the operational capabilities of the facilities but also contribute to a more reliable energy supply, leading to the nuclear power plant operation and maintenance market development.
The goal of maintaining strict safety regulations and extending the life of current nuclear reactors is what propels the nuclear power plant operation and maintenance market growth. There is an increasing tendency toward modernisation and life extension initiatives as many nuclear power reactors near the end of their originally projected lifespans, necessitating sophisticated maintenance procedures. To increase plant efficiency and lower unplanned outages, this involves implementing predictive maintenance technology, such as artificial intelligence (AI) and data analytics, together with enhancements to safety systems. Decommissioning services are also in greater demand on the market, particularly in areas where older reactors are being deactivated. Innovation in O&M procedures is also being fuelled by a growing emphasis on sustainability and decreasing radioactive waste.
The EMR’s report titled “Global Nuclear Power Plant Operation and Maintenance Market Report and Forecast 2026-2035” offers a detailed analysis of the market based on the following segments:
Market Breakup by Services
Market Breakup by Reactor Type
Market Breakup by Region
| CAGR 2026-2035 - Market by | Country |
| Iran | 10.5% |
| UAE | 9.9% |
| China | 7.3% |
| India | 6.7% |
| South Korea | 3.4% |
| Japan | 1.7% |
| USA | 4.0% |
| Canada | 4.4% |
| UK | XX% |
| Germany | XX% |
| Russia | XX% |
| Brazil | XX% |
| Mexico | XX% |
Based on the region, the market is segmented into North America, Europe, Asia Pacific, Latin America, and Middle East and Africa. The Middle East and Africa region is projected to grow at a CAGR of 9.6% during the forecast period of 2026-2035. As the region allocates resources to enhance its nuclear energy capacity in response to increasing energy demands and the need to lower carbon emissions, it is crucial to ensure efficient operations and conduct regular maintenance. Asia Pacific follows this growth at a 5.9% CAGR.
Major players are focusing on the adoption of cutting-edge technologies to gain a competitive edge in the nuclear power plant operation and maintenance market.
Orano Group is a global leader in nuclear materials, specializing in the mining, conversion, enrichment, and recycling of nuclear fuel. The company was founded in 2017 and has its headquarters located in Chatillon, France. The business places a strong emphasis on nuclear energy innovation and sustainability.
Based in Espoo, Finland, and founded in 1998, Fortum Corporation is primarily involved in the generation of clean energy, particularly nuclear power. As per nuclear power plant operation and maintenance market analysis, the corporation runs nuclear power facilities with a focus on producing electricity that is carbon neutral and sustainable for the Baltic and Nordic areas.
TÜV Rheinland is a global provider of technical services, including safety and quality certification for nuclear power plants, guaranteeing conformity with international standards and regulations. The company was founded in 1872 and has its headquarters in Cologne, Germany.
Rosatom Group is a state organization that specializes in nuclear energy. It was founded in 2007 and has its headquarters located in Moscow, Russia. It oversees the entire nuclear power cycle, which includes building, running, and closing nuclear generating facilities around the world.
*Please note that this is only a partial list; the complete list of key players is available in the full report. Additionally, the list of key players can be customized to better suit your needs.*
Other players included in the nuclear power plant operation and maintenance market report are Holtec International, Veolia Group, Westinghouse Electric Company LLC., Dietsmann, and The Merric Group, Inc., among others.
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*While we strive to always give you current and accurate information, the numbers depicted on the website are indicative and may differ from the actual numbers in the main report. At Expert Market Research, we aim to bring you the latest insights and trends in the market. Using our analyses and forecasts, stakeholders can understand the market dynamics, navigate challenges, and capitalize on opportunities to make data-driven strategic decisions.*
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The market is assessed to grow at a CAGR of 4.70% between 2026 and 2035.
The market is being driven by the ageing nuclear fleet and strict regulatory compliance related to nuclear maintenance.
The key trends aiding the market expansion include the expansion of nuclear power across the world and the adoption of advanced technologies.
The major reactor types are pressurised water reactor (PWR), boiling water reactor (BWR), and advanced gas-cooled reactor (AGR), among others.
The major services in the market are configuration management, equipment reliability, and work management.
Major regions considered in the market are North America, Europe, the Asia Pacific, Latin America, and the Middle East and Africa.
Key players in the market are Orano Group, Fortum Corporation, TÜV Rheinland, Rosatom Group, Holtec International, Veolia Group, Westinghouse Electric Company LLC., Dietsmann, and The Merric Group, Inc., among others.
In 2025, the market attained a value of nearly USD 68.80 Billion.
The market is estimated to witness a healthy growth in the forecast period of 2026-2035 to reach about USD 108.91 Billion by 2035.
Explore our key highlights of the report and gain a concise overview of key findings, trends, and actionable insights that will empower your strategic decisions.
| REPORT FEATURES | DETAILS |
| Base Year | 2025 |
| Historical Period | 2019-2025 |
| Forecast Period | 2026-2035 |
| Scope of the Report |
Historical and Forecast Trends, Industry Drivers and Constraints, Historical and Forecast Market Analysis by Segment:
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| Breakup by Services |
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| Breakup by Reactor Type |
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| Breakup by Region |
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| Market Dynamics |
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| Competitive Landscape |
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| Companies Covered |
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