Ozone Generator Market to Reach US$2.31 Billion by 2033, Driven by Rising Demand for Water and Wastewater Treatment

The global ozone generator market was valued at USD 1.34 billion in 2025 and is expected to reach USD 2.31 billion by 2033, growing at a CAGR of 7% during the forecast period 2026-2033. The market is gaining momentum as increasing demand for water and wastewater treatment, disinfection, air purification, and industrial oxidation processes drives the adoption of ozone generation technologies. Growing emphasis on clean water, environmental protection, and chemical-free disinfection solutions is further supporting market expansion.

The competitive opportunity is increasingly focused on energy-efficient ozone generators, advanced oxidation technologies, automated systems, and high-capacity treatment solutions. Ozone-based treatment is gaining importance across municipal water treatment, industrial wastewater management, healthcare, food processing, and air purification applications. The market is therefore shifting toward advanced ozone generation systems, efficient disinfection technologies, automated monitoring, environmentally sustainable treatment solutions, and integrated water and air purification systems, supporting sustained growth in the global ozone generator market through 2033.

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Recent Developments
August 2026: North America continued maintaining a strong position in the ozone generator market, supported by investments in drinking-water treatment, wastewater reuse, and upgrades to aging treatment infrastructure. Demand is also being supported by the need for chemical-free disinfection and advanced contaminant removal.

July 2026: Asia-Pacific continued emerging as a high-growth region for ozone generation, driven by rapid urbanization, industrialization, and increasing investment in municipal water and wastewater treatment across China, India, and Japan.

June 2026: Europe continued expanding ozone generator adoption as municipalities and industries sought advanced treatment technologies to meet stricter water-quality, wastewater-discharge, and environmental requirements. Ozone systems are increasingly used to reduce disinfection by-products and support chemical-free treatment.

May 2026: Ozone generator manufacturers increasingly focused on energy-efficient corona discharge, cold plasma, electrolytic technologies, compact modular designs, and automated monitoring, improving system efficiency and integration across water, air, and industrial treatment applications.

April 2026: The market continued expanding across municipal water treatment, industrial wastewater, air purification, food processing, and healthcare sanitation. The shift toward sustainable disinfection and advanced oxidation solutions is strengthening demand for ozone-based treatment systems globally.

Key Players

SUEZ Water Technologies & Solutions | Xylem | Mitsubishi Electric Corporation | Ebara Corporation | Toshiba Corporation | METAWATER Co., Ltd. | Spartan Environmental Technologies | MKS Instruments | Ozonetech Systems OTS AB | Absolute Systems Inc. | Others

Key Highlights
SUEZ Water Technologies & Solutions - Holds a 15.0% share, supported by its advanced ozone generation technologies, integrated water-treatment solutions, and strong presence in municipal and industrial applications.

Xylem - Holds a 13.0% share, driven by its ozone generation systems, water and wastewater treatment technologies, digital monitoring capabilities, and global customer base.

Mitsubishi Electric Corporation - Holds a 8.0% share, strengthened by its ozone generation technologies, power electronics expertise, and solutions for water treatment and industrial applications.

Ebara Corporation - Holds a 4.1% share, supported by its ozone technologies for wastewater treatment and industrial process applications.

Toshiba Corporation - Holds a 7.0% share, driven by its ozone treatment systems and capabilities in municipal and industrial water-treatment applications.

METAWATER Co., Ltd. - Holds a 5.8% share, supported by its water and wastewater treatment technologies and ozone-based purification solutions.

Spartan Environmental Technologies - Holds a 4.9% share, strengthened by its ozone generation and advanced oxidation solutions for water, wastewater, and industrial treatment applications.

MKS Instruments - Holds a 4.5% share, supported by its ozone-generation technologies and precision equipment capabilities for semiconductor, industrial, and specialty applications.

Ozonetech Systems OTS AB - Holds an 8.7% share, driven by its ozone generation expertise and solutions for water treatment, wastewater treatment, and industrial purification applications.

Absolute Systems Inc. - Holds a 2.0% share, supported by its ozone generation and water-treatment solutions serving specialized commercial and industrial applications.

Others - Hold a combined 26.0% share, comprising Daikin Industries, Industrie De Nora, Teledyne API, DEL Ozone, Faraday Ozone, Primozone, Lenntech, Ecozone Technologies, Corotec, and other regional ozone-generation technology providers.

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Market Drivers
Increasing demand for ozone-based water and wastewater treatment due to its strong oxidation and disinfection capabilities.

Rising concerns regarding water pollution and the need for effective treatment technologies across municipal and industrial applications.

Growing adoption of ozone generators in drinking water treatment, wastewater treatment, aquaculture, and industrial process-water applications.

Increasing demand for chemical-free or reduced-chemical disinfection solutions across water treatment and sanitation applications.

Rising awareness of ozone technology for air purification and odor control in healthcare, food processing, commercial, and industrial facilities.

Growing investments in water infrastructure, wastewater treatment plants, and industrial water-reuse projects across developed and emerging markets.

Increasing adoption of advanced ozone generation technologies offering improved energy efficiency, ozone concentration, automation, and process control.

Industry Developments
Development of energy-efficient ozone generators with improved ozone production capacity, operational stability, and reduced power consumption.

Increasing integration of sensors, automation, remote monitoring, and digital controls to optimize ozone generation and treatment performance.

Strategic collaborations between ozone technology manufacturers, water-treatment companies, engineering firms, and industrial users to expand ozone-based treatment applications.

Expansion of ozone generator applications across municipal water treatment, industrial wastewater, food and beverage processing, aquaculture, healthcare, and air purification.

Development of compact and modular ozone generation systems for decentralized water treatment and smaller industrial applications.

Growing investment in advanced ozone treatment systems designed to improve disinfection efficiency, reduce chemical usage, and support sustainable water-management practices.

Regional Insights
North America - 41% share: "Driven by advanced water and wastewater treatment infrastructure, stringent water-quality standards, increasing industrial water treatment requirements, and strong adoption of advanced disinfection technologies."

Europe - 30% share: "Supported by stringent environmental regulations, increasing water-reuse initiatives, advanced municipal treatment infrastructure, and growing demand for sustainable water-treatment solutions."

Asia Pacific - 23% share: "Fueled by rapid industrialization, rising water pollution, expanding municipal wastewater treatment infrastructure, and increasing investments in water purification and reuse technologies."

Latin America - 4% share: "Supported by growing demand for clean water, improving wastewater treatment infrastructure, increasing industrialization, and rising adoption of advanced disinfection technologies."

Middle East & Africa - 2% share: "Driven by water scarcity, increasing investments in water purification and desalination infrastructure, growing wastewater treatment needs, and rising adoption of ozone-based treatment technologies."

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Key Segments
➥ By Process

Odor Control: Represents a significant segment, driven by the increasing need to eliminate unpleasant odors in wastewater treatment, industrial facilities, commercial spaces, and other environments requiring effective odor management.

Groundwater Remediation: Represents a growing segment, supported by increasing concerns over groundwater contamination and the use of ozone oxidation to break down organic contaminants and improve water quality.

Disinfection: Represents the dominant segment, fueled by the strong oxidizing properties of ozone, increasing demand for chemical-free disinfection, and widespread use across water treatment, air treatment, food processing, and other applications.

➥ By Technology

Corona Discharge: Represents the dominant segment, driven by its high ozone generation efficiency, scalability, and widespread adoption in municipal, industrial, and commercial treatment systems.

Ultraviolet Radiation: Represents a significant segment, supported by its relatively simple operating principle, suitability for smaller-scale applications, and continued use in specialized ozone generation systems.

Electrolysis: Represents a growing segment, fueled by increasing demand for on-site ozone generation, compact system designs, and applications requiring controlled ozone production.

Radiochemical: Represents an emerging segment, supported by specialized applications and ongoing development of advanced ozone generation technologies for high-performance treatment requirements.

➥ By Application

Water Purification: Represents the dominant segment, driven by increasing demand for effective oxidation and disinfection, growing water quality concerns, and expanding adoption of ozone-based treatment systems.

Air Purification: Represents a significant segment, supported by increasing concerns regarding indoor and industrial air quality, odor control requirements, and demand for advanced air treatment technologies.

Organic Synthesis: Represents an important segment, fueled by the use of ozone as an oxidizing agent in chemical processing and the increasing adoption of ozone-based synthesis techniques.

Aquaculture: Represents a growing segment, driven by the need to improve water quality, control pathogens, reduce organic contaminants, and maintain healthy aquatic environments.

Pulp Bleaching: Represents a significant segment, supported by increasing adoption of environmentally preferable bleaching processes and the ability of ozone to reduce reliance on conventional bleaching chemicals.

Food Processing: Represents an expanding segment, fueled by increasing demand for effective sanitation, microbial control, water treatment, and chemical-reduction solutions across food processing facilities.

Surface Treatment: Represents a growing segment, driven by the use of ozone for surface cleaning, oxidation, sterilization, and preparation across industrial and commercial applications.

Others: Represents a developing segment, supported by expanding applications of ozone technology across healthcare, chemical processing, agriculture, and other specialized industries.

➥ By End-User

Municipal & Industrial Water Treatment: Represents the dominant segment, driven by increasing water and wastewater treatment requirements, stricter water quality standards, and growing adoption of ozone for disinfection and advanced oxidation.

Residential & Industrial Air Treatment: Represents a significant segment, supported by rising concerns about air quality, odor control, industrial emissions management, and demand for advanced air purification solutions.

Automotive: Represents a growing segment, fueled by the use of ozone for vehicle air purification, odor removal, surface treatment, and specialized manufacturing processes.

Paper & Pulp: Represents an important segment, driven by increasing demand for efficient bleaching processes, reduced chemical consumption, and environmentally oriented pulp processing technologies.

Food & Beverage: Represents a significant segment, supported by stringent hygiene requirements, increasing demand for non-thermal disinfection, and ozone-based treatment of water, surfaces, and processing environments.

Pharmaceuticals: Represents a growing segment, fueled by stringent contamination-control requirements and the use of ozone for water purification, equipment sanitation, and controlled-environment applications.

Others: Represents an expanding segment, supported by increasing adoption of ozone generators across aquaculture, healthcare, chemical processing, agriculture, and other specialized end-user industries.

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