Flue Gas Desulfurization System Market

The flue gas desulfurization system market is expected to reach USD 23.60 billion in 2026 and USD 31.70 billion by 2031, growing at a CAGR of 6.1% during the forecast period.

Flue gas desulfurization (FGD) systems are air pollution control technologies designed to remove sulfur dioxide (SO2) and other acidic pollutants from flue gases generated primarily by coal-fired power plants and industrial facilities. These systems are critical for complying with increasingly stringent emission regulations and improving air quality. FGD systems use chemical or physical processes to capture sulfur compounds before flue gases are released into the atmosphere. The most widely deployed technologies include wet FGD systems, particularly limestone-based scrubbers, as well as dry and semi-dry FGD systems, including spray dry absorbers and circulating dry scrubbers.

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FGD systems can be integrated into new power generation facilities or installed as retrofit solutions in existing plants to meet updated environmental standards. Their configuration varies based on fuel characteristics, SO2 concentration, plant capacity, water availability, and required removal efficiency. Modern FGD solutions increasingly incorporate advanced absorption technologies, optimized reagent utilization, heat recovery, digital monitoring, and integrated air-quality-control systems to improve operational efficiency and reduce lifecycle costs. Increasing investment in thermal power plant modernization, stringent SO2 emission standards, and increasing deployment of retrofit emission-control equipment are supporting demand for FGD systems across power generation, cement, iron & steel, chemical & petrochemical, and other industrial applications.

Major players operating in the flue gas desulfurization system market with a significant global presence include Mitsubishi Heavy Industries, Ltd. (Japan), GE Vernova (US), Babcock & Wilcox Enterprises, Inc. (US), ANDRITZ AG (Austria), and Doosan Lentjes GmbH (Germany). These companies have adopted various strategies, such as expansions, acquisitions, partnerships, and product launches, to strengthen their market position.

For instance, in February 2025, ANDRITZ AG acquired LDX Solutions to strengthen its environmental technology portfolio and expand its presence in the North American emissions-reduction market. LDX's portfolio includes emission-reduction technologies and engineered solutions, complementing ANDRITZ's clean-air technologies offering.

Mitsubishi Heavy Industries, Ltd. (Japan)

Mitsubishi Heavy Industries, Ltd. is involved in the manufacturing and sales of ships, industrial machinery, and aircraft. The company operates through four major business segments: Energy Systems; Plants & Infrastructure System; Logistics, Thermal & Drive Systems; and Aircraft, Defense & Space. Its vast product and service portfolio includes aircraft, space, ship & ocean, transportation, material handling, environment, automotive, industrial machinery, infrastructure, living & leisure, defense, and engineering. It focuses on the carbon capture and storage business and other technologies through the energy systems segment. It operates its business in Japan, North America, South America, Europe, the Middle East & Africa, and Asia through a network of subsidiaries and overseas offices. It has approximately 470 offices and factories around the globe to manage its business operations.

GE Vernova (US)

GE Vernova is a global electric power technology company providing products and services that generate, transfer, orchestrate, convert, and store electricity. The company designs, manufactures, delivers, and services technologies aimed at improving the reliability, security, sustainability, and decarbonization of power systems. Its installed technology base generates approximately 25% of the world's electricity, giving it a significant global presence across the power value chain. It operates through three business segments: Power, Wind, and Electrification. The Power segment is the most directly relevant to the flue gas desulfurization system market. It serves power generation, industrial, government, and other customers with energy-production technologies, including gas and steam turbines, balance-of-plant solutions, upgrades, and services. The company provides technologies and services primarily for nuclear power plants in North America and coal-fired power plants, including solutions supporting coal-fired plants in their transition toward lower-carbon operations. Its AQCS portfolio includes wet and dry/semi-dry FGD systems. Its strategy emphasizes electrification, decarbonization, installed-base servicing, technology development, and portfolio optimization.

MARKET RANKING

The flue gas desulfurization system market is moderately fragmented, with several established global players holding strong positions based on their extensive FGD technology portfolios, project experience, installed bases, and global presence. Some of the leading organizations operating in this market include Mitsubishi Heavy Industries, Ltd. (Japan), GE Vernova (US), Babcock & Wilcox Enterprises, Inc. (US), ANDRITZ AG (Austria), and Doosan Lentjes GmbH (Germany). These leading players continue to focus on technology development, system upgrades, large-scale retrofit projects, lifecycle services, and strategic partnerships to strengthen their market positions and expand their geographic footprint. Long-term service agreements, maintenance support, and partnerships with power generation and industrial customers further strengthen customer relationships and support recurring revenue opportunities. The presence of global engineering and environmental-control companies alongside regional specialists, particularly in Asia Pacific, reflects the diverse competitive structure of the market and provides opportunities for regional players to expand through new installations, retrofit projects, and advanced emission-control solutions.

Related Reports:

Flue Gas Desulfurization System Market by Type (Wet FGD Systems, Dry & Semi-Dry FGD Systems), Installation (Greenfield, Brownfield), End-Use Industry (Power Generation, Chemicals & Petrochemicals), and Region - Global Forecast To 2031

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