Valued at USD 21.25 billion in 2025, the global nuclear power plant equipment market is projected to reach USD 21.90 billion in 2026 and USD 28.06 billion by 2034, growing at a CAGR of 3.14% during the forecast period 2026–2034. Steady growth reflects national investment in low-carbon electricity, energy security, and grid reliability. This article reviews the demand drivers, leading segments, and regional dynamics shaping the market for B2B equipment manufacturers, engineering firms, and operators.

Investment and Policy Drivers

Rising focus on energy security and diversification of electricity generation has prompted many nations to increase nuclear capacity while extending the life of existing reactors. According to the International Energy Agency, global investment in nuclear energy is expected to rise from USD 65 billion per year to USD 70 billion by 2030, with global nuclear capacity growing from above 400 GW in 2020 to over 650 GW by 2050. Countries are building plants to improve energy security, reduce reliance on fossil fuels, and meet long-term carbon reduction targets.

Government-led nuclear programs, deployment of small modular reactors, and modernization of aging infrastructure are expected to support market growth. Small modular reactors emphasize modular construction, factory fabrication, standardized equipment, and shorter installation schedules. In October 2025, the U.S. Department of the Army launched the Janus Program to advance microreactors.

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Segment Leaders

By equipment, reactor island equipment accounted for the largest share of 42.0% in 2025 because of its critical role in reactor performance, safety, and power generation efficiency. This segment includes the reactor pressure vessel, steam generator, primary coolant pump, pressurizer, and containment system, which operate under high temperature and pressure and strict safety regulation. Reactor island equipment is among the most valuable systems in a nuclear plant.

By reactor type, pressurized water reactors dominated with 55.0% in 2025, supported by widespread commercial deployment, proven reliability, and a large installed base. By end user, utilities led with 58.0% because of investment in new reactor construction, refurbishment, and life extension. Public and private generating companies remain the main buyers for new construction, refurbishment, maintenance, and component replacement. The government segment is expected to see the highest growth rate; Russia and Kazakhstan signed an agreement worth USD 16.5 billion to build Kazakhstan's first nuclear power plant.

Regional Analysis

North America held the largest share of 34.0% in 2025, driven by investment in nuclear generation, reactor modernization, and established engineering expertise. The World Nuclear Association states that the US produces close to 30% of the world's nuclear energy, with 94 commercial reactors generating close to 816 TWh in 2024, or 18% of national electricity.

Europe was the second-largest region. The European Commission approved the 2026-2027 Euratom Research and Training Programme in March 2026 with a budget of USD 377.03 million to promote fusion power, develop SMRs, and boost research. Asia Pacific is projected to register the fastest CAGR on rising electricity demand and low-carbon initiatives, including China's aim to build a green, low-carbon, secure, and efficient energy system by 2030. The World Nuclear Association notes that Saudi Arabia aims to develop 16 nuclear reactors by 2040.

Competitive Landscape

The market is moderately concentrated. Key players include BWX Technologies, Curtiss-Wright Corporation, Doosan Enerbility, Framatome, GE Vernova, Korea Hydro & Nuclear Power (KHNP), Mitsubishi Heavy Industries, Rosatom, Shanghai Electric Group, and Westinghouse Electric Company. Competition revolves around technical expertise, manufacturing capability, regulatory adherence, and maintenance services. In June 2026, Holtec and EDF submitted a proposal to deploy the SMR-300 reactor at the Cottam site in the UK.

Challenges and Outlook

Construction of nuclear power plant equipment infrastructure requires significant capital, long build times, and regulatory approval before equipment procurement begins, and every component must meet strict safety, quality, and certification standards. Even so, government support, capacity expansion, and modernization point to steady long-term demand.

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