UK Air Separation Unit Market Overview, 2031

United Kingdom Air Separation Unit Market Insights

Industry Ecosystem
The United Kingdom's Air Separation Unit (ASU) market is driven by established industrial gas infrastructure supporting steel, chemicals, oil & gas, healthcare, food processing, and emerging hydrogen projects. Major suppliers including BOC Limited (Linde plc), Air Liquide UK, Air Products UK, Nippon Gases UK, and INEOS operate production facilities across Teesside, Humberside, South Wales, Grangemouth, and the Midlands. Industrial clusters in Teesside Freeport, Humber Industrial Cluster, and Grangemouth remain major consumers of oxygen and nitrogen due to their concentration of refineries, petrochemical plants, and chemical manufacturers.
According to the research report, " United Kingdom Air Separation Unit Market Overview, 2031," published by Bonafide Research, the United Kingdom Air Separation Unit market is anticipated to grow at more than 4.00% CAGR from 2026 to 2031. According to UK Steel, the country produced approximately 5.6 million tonnes of crude steel in 2024, with producers such as Tata Steel UK, British Steel, and Liberty Steel accounting for substantial industrial gas consumption. The government's support for carbon capture and hydrogen production has further strengthened demand for large cryogenic ASUs. In October 2024, the UK Government confirmed funding exceeding GBP 21.7 billion over 25 years for carbon capture projects, including developments in the East Coast Cluster and HyNet North West, creating new opportunities for integrated oxygen production. A country-specific challenge is the relatively high industrial energy prices compared with continental Europe, increasing operating costs for energy-intensive ASUs.



Pricing Analysis
ASU pricing in the United Kingdom is significantly influenced by electricity costs, engineering standards, and imported cryogenic equipment. Small non-cryogenic oxygen generation systems generally require investments between GBP 800,000 and GBP 4 million, while large cryogenic ASUs supplying steel plants, chemical facilities, and hydrogen projects often exceed GBP 60 million. According to Ofgem, industrial electricity prices remained among the highest in Europe during 2024, averaging approximately GBP 0.18–0.24 per kWh, making electricity the largest operating expense for ASU operators. Equipment costs increased by approximately 9% between 2022 and 2024 because of inflation in stainless steel, compressors, and imported process equipment from Germany, Italy, and the United States. Companies such as BOC, Air Products, and Air Liquide UK continue investing in energy-efficient compressors, automation systems, and predictive maintenance to reduce power consumption and improve plant availability. Long-term industrial gas supply agreements with steel, healthcare, and chemical manufacturers continue to stabilize commercial pricing despite inflationary pressures.

Import–Export Analysis
The United Kingdom imports high-value ASU equipment, including cryogenic heat exchangers, compressors, valves, and process automation systems from Germany, France, Italy, the United States, and Japan. Exports of industrial gas equipment and engineering services are directed toward Ireland, the Netherlands, Belgium, the Middle East, and Asia. Major ports including the Port of Felixstowe, Port of Southampton, Port of Immingham, and Port of Liverpool handle heavy industrial equipment supporting refinery, chemical, and energy projects. According to the UK Office for National Statistics (ONS), total UK goods exports exceeded GBP 358 billion in 2024, with machinery and industrial equipment remaining important export categories. Following post-Brexit customs adjustments, industrial companies have strengthened domestic inventory management to reduce supply chain disruptions for imported components. A country-specific challenge remains customs documentation and longer lead times for certain European-manufactured equipment, particularly for specialized cryogenic systems required in hydrogen and carbon capture projects.

Market Dynamics

Driver
The UK's transition toward hydrogen production and industrial decarbonization is the strongest driver for the ASU market. Through the British Energy Security Strategy and carbon capture initiatives, the government is supporting large-scale industrial projects requiring oxygen-intensive processes. Developments within the HyNet North West, East Coast Cluster, and Acorn Project are increasing demand for cryogenic ASUs integrated with hydrogen production and carbon capture facilities. Companies including Air Products, BOC, INEOS, and National Gas continue investing in infrastructure supporting the country's net-zero ambitions.

Challenge
High industrial electricity prices remain the biggest challenge for ASU operators in the United Kingdom. Cryogenic air separation is highly energy-intensive, and elevated power costs reduce operating margins for industrial gas producers. Additionally, inflation in construction materials and skilled engineering shortages have increased project costs and extended commissioning schedules for new industrial gas facilities since 2023.

Trend
The market is witnessing increasing integration of ASUs with hydrogen, carbon capture, and digital industrial infrastructure. Industrial gas companies are deploying AI-based process optimization, predictive maintenance, and energy management systems to improve efficiency. Investments announced between 2023 and 2025 in low-carbon industrial clusters are encouraging installation of large, energy-efficient cryogenic ASUs capable of supplying both traditional industries and emerging clean energy applications.

Regulatory Framework

The UK's Air Separation Unit industry is governed by comprehensive safety, environmental, and industrial regulations administered by the Health and Safety Executive (HSE), Environment Agency (EA), Department for Energy Security and Net Zero (DESNZ), and the Office for Product Safety and Standards (OPSS). Cryogenic storage systems and pressure equipment must comply with the Pressure Equipment (Safety) Regulations 2016 and the Pressure Systems Safety Regulations 2000, while facilities handling hazardous gases are subject to the Control of Major Accident Hazards (COMAH) Regulations. Environmental permitting for industrial installations is managed by the Environment Agency in England and equivalent agencies in Scotland, Wales, and Northern Ireland. The government's legally binding target to achieve net-zero greenhouse gas emissions by 2050 continues to encourage investment in energy-efficient industrial technologies. Through funding announced during 2024, DESNZ is supporting hydrogen production, carbon capture, and industrial decarbonization projects that will increase future demand for large cryogenic ASUs. However, environmental permitting and planning approvals for major industrial developments can still require extended review periods, particularly for projects located near densely populated industrial regions.

Segment Analysis

By Process
Cryogenic technology dominates the UK ASU market because steel plants, chemical facilities, refineries, and hydrogen projects require continuous production of high-purity oxygen, nitrogen, and argon. BOC, Air Liquide UK, and Air Products UK operate large cryogenic plants serving industrial hubs in Teesside, Humberside, South Wales, and Grangemouth. Non-cryogenic systems, particularly PSA technology, are increasingly adopted by hospitals, food manufacturers, pharmaceutical companies, and medium-sized industrial facilities seeking lower capital investment and reliable on-site oxygen generation.

By End Use
Chemicals and oil & gas represent the largest end-use sectors due to the concentration of refineries and petrochemical complexes in Teesside, Grangemouth, and the Humber region. Iron and steel continues to generate significant oxygen demand through Tata Steel UK and British Steel operations. Healthcare remains an important consumer following continued investment in NHS medical gas infrastructure. Food and beverage manufacturers increasingly utilize nitrogen for modified atmosphere packaging and beverage processing, while the "Others" segment includes pharmaceuticals, aerospace, electronics, wastewater treatment, and hydrogen production, reflecting the UK's diversified industrial economy.

By Gas
Oxygen accounts for the largest share of industrial gas consumption owing to its use in steelmaking, chemicals, healthcare, wastewater treatment, and emerging hydrogen projects. Nitrogen is the fastest-growing segment, supported by pharmaceutical manufacturing, food processing, electronics, and refinery applications. Argon maintains stable demand from welding, fabricated metals, aerospace manufacturing, and automotive engineering, particularly across the Midlands and North East England. The "Others" category, including specialty gases such as neon, krypton, and xenon, remains relatively small but is expanding gradually as investments in semiconductor research, advanced manufacturing, and clean technology continue across the United Kingdom.


Considered in this report
• Historic Year: 2020
• Base year: 2025
• Estimated year: 2026
• Forecast year: 2031

Aspects covered in this report
• Air Separation Unit Market with its value and forecast along with its segments
• Various drivers and challenges
• On-going trends and developments
• Top profiled companies
• Strategic recommendation

By Process
• Cryogenic
• Non-Cryogenic

By End Use
• Iron & Steel
• Oil & Gas
• Healthcare
• Chemicals
• Food & Beverage
• Others

By Gas
• Nitrogen
• Oxygen
• Argon
• Others