Selective Catalytic Reduction System Market Size & Share 2026-2035

Selective Catalytic Reduction System Market Size

The global selective catalytic reduction system market was estimated at USD 4.3 billion in 2025. The market is expected to grow from USD 4.6 billion in 2026 to USD 6.8 billion in 2035, at a CAGR of 4.5%, according to a recent study by Global Market Insights Inc.

• The increasing energy demand, swift industrialization, and implementation of energy efficiency standards have had a favorable influence on the adoption of selective catalytic reduction system. For instance, in May 2026, the U.S. EPA announced to speed up the process for large polluters to obtain clean air permits.
• Key application industries including power plants, cement, metal, and manufacturing industries are experiencing swift adoption of the product. This is being driven by stringent government regulations and the introduction of mandates aimed at restricting NOx and CO emissions.
• The U.S. EPA supervises the manufacturing, processing, distribution, and utilization of chemicals, regulating pollution levels and establishing standards for waste management and handling hazardous chemicals. For reference, as per the Environmental Impact Assessment (EIA), the average annual growth in electricity demand is projected to be approximately 0.9% from 2019 to 2050.
• Continued investments in the advancement of technologically sophisticated selective catalytic reduction (SCR) systems, coupled with the increasing importance placed on energy optimization and management across various industries, have fostered the widespread adoption of these systems.

Selective Catalytic Reduction System Market Trends

• Positive contributions from major financial institutions, including the Asian Development Bank, African Development Bank, International Monetary Fund, and the World Bank, have further positively impacted the business landscape. For instance, in May 2026, the Asian Development Bank decided to invest around USD 70 billion in new energy & digital infrastructure by 2035 across the region.
• Developing countries worldwide are directing their attention toward ensuring a reliable and continuous electricity supply. Plans to construct new power plants, aimed at supporting the escalating demand, are propelling the demand for the product.
• Concerted efforts to narrow the gap between electricity demand and supply are expected to drive increased deployment of the product over the forecast period. For instance, in May 2026, the African Development Bank estimated that Africa will require around USD 64 billion in annual investment through 2030 to meet electricity demand with transmission & distribution expansion requirements.
• The global transition to clean and sustainable energy sources, including natural gas and renewables, has further spurred the need for stationary catalytic systems. These systems play a vital role in mitigating emissions from power plants, refineries, chemical plants, and other industrial facilities involved in energy generation or product manufacturing.
• Additionally, the accelerated industrialization in developing countries, especially in Asia and Latin America, has contributed to heightened pollution levels. Moreover, there has been a growing demand for stationary catalytic systems to manage emissions and comply with environmental regulations in these regions.
• The market has been significantly influenced by ongoing advancements in catalytic technologies. Extensive research and development initiatives have concentrated on enhancing catalyst performance, durability, and efficiency. Novel catalyst formulations and designs have been introduced to boost pollutant conversion rates and reduce operating costs.

Selective Catalytic Reduction System Market Analysis

• Continuous efforts to meet stringent emissions regulations, particularly for nitrogen oxides (NOx), are propelling the adoption of SCR systems across various industries. Increasing integration of SCR technology in power plants, industrial boilers, and marine engines to achieve substantial reductions in harmful emissions will complement the business scenario.
• The demand for SCR systems is further amplified by the global transition towards cleaner energy sources, where these systems play a pivotal role in minimizing environmental impact. For instance, in May 2026, Abu Dhabi based, Mubadala Investment Company decided to invest USD 325 million in Orsted’s Hornsea 3 offshore wind farm in the UK to support renewable energy adoption.
• Advancements in SCR technology is focusing on enhancing efficiency and performance. Manufacturers are developing innovative catalyst formulations and designs to optimize pollutant conversion rates and ensure compliance with emission standards.
• The trend towards modular and compact SCR systems is gaining traction, offering benefits such as space efficiency, easier maintenance, and scalability. As industries worldwide intensify their commitment to sustainability, the SCR System market is poised for continued growth, driven by the imperative to reduce air pollutants and contribute to a cleaner and healthier environment.

• Based on application, the selective catalytic reduction system market is segmented into power plants, chemical & petrochemical, cement, metal, marine, manufacturing, and others. The power plant application industry will grow at a CAGR of 4.4% by 2035.
• The stationary catalytic reduction system emerges as a highly effective technology for curbing NOx and other pollutant emissions from heavy industries, encompassing coal-fired power plants, cement kilns, chemical and petrochemical facilities, manufacturing plants, metal and marine industries, and waste incinerators.
• The accelerated pace of industrialization coupled with stringent mandates for energy efficiency has driven industries to embrace efficient emission control systems. For instance, in April 2026, Japan launched new centers in India to boost investment to support the implementation of AI and critical minerals across industries.
• Cement industry will grow at a CAGR of 4.1% by 2035. Rising demand for cement production along with growing rate of pollutants released in the atmosphere is increasing the focus on deployment of emission control technologies. Introduction of stringent norms with an aim to limit the emissions and applicability of monetary penalties in the case of non-compliance will further complement the industry outlook.

• The U.S. dominated the North America selective catalytic reduction system region and generated a revenue of about USD 477.6 million in 2025. The country’s growth is spurred by stringent emission regulations and rising environmental awareness. For instance, Ecocem in the U.S. completed a screening life cycle assessment (LCA), that validated its ACT technology will reduce up to 60% of total CO₂ emissions associated with cement manufacturing in the country.
• Asia Pacific market will grow at a rate of 4.9% by the year 2035. The expansion of selective catalytic reduction systems is expected to experience significant growth in the region, primarily driven by the escalating manufacturing activities.
• The introduction of regulatory norms in China, coupled with increased stringency in existing regulations regarding emissions from power plants and cement industries, is acting as a positive complement to the market's growth trajectory. For instance, in April 2025, government of China officially expanded their ETS to include cement, steel, and aluminum industries.

Selective Catalytic Reduction System Market Share

The top 5 companies including General Electric, Mitsubishi Heavy Industries, Babcock & Wilcox, Johnson Matthey, and Yara International held over 35% share in the global market. Top tier players including GE, MHI, B&W, Johnson Matthey dominated the market owing to their strong presence across power plants, industrial boilers, and large-scale SCR systems.

These companies play pivotal roles in providing innovative SCR solutions to industries aiming to reduce nitrogen oxide (NOx) emissions and comply with stringent environmental regulations. Whereas, mid-tier and specialized regional players including CORMETECH, CECO, Thermax, among others caters a strong position in industrial & utility emission control spaces.

Selective Catalytic Reduction System Market Companies

Major industry players in the selective catalytic reduction system industry include:

• Agriemach
• Babcock & Wilcox Enterprises
• CECO ENVIRONMENTAL
• CORMETECH
• DCL International
• DUCON
• Environmental Energy Services Corporation
• General Electric
• Hug Engineering
• Johnson Matthey
• Kwangsung
• Everllence
• McGill AirClean LLC
• Mitsubishi Heavy Industries
• Thermax Limited
• Yara International

Selective Catalytic Reduction System Industry News

• In April 2026, Babcock & Wilcox secured a contract worth USD 21 million to supply fuel switching technologies in the U.S. for coal and natural gas power plants. The components to supply will aid the company to reduce carbon emission without compromising the power plant performance.
• In March 2026, DCL introduced new emission control solutions to clean power backup at data centers across Europe. The company will supply lower NOx emissions, faster activation, and improved sustainability for critical data centers through its patented Metalcor metallic catalyst substrate technology.
• In January 2026, Johnson Matthey has opened a hydrogen internal combustion engine (H₂ICE) testing facility in Gothenburg, Sweden by an investment of USD 3.1 million. The facility is aimed at testing emission control systems for heavy-duty transport.