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On-site Generated Gas

Gas requirements. Optimised.

Air Products pioneered the on-site concept – for over 75 years we have been installing and innovating the technology that delivers low cost, efficient solutions for the onsite delivery of industrial gas.  We are the only major industrial gas supplier that has leading technology in all areas of on-site gas generation. This enables us to offer an on-site solution with a full understanding of your requirements and with the best fit to your needs.

On-site gas production plants provide custom solutions for the exact purity, pressure, and flow requirements of your operations. Dedicated, uninterrupted supply of hydrogen, oxygen, nitrogen, and argon directly at your site delivers maximum reliability and optimization to your processes, and can reduce overall industrial gas spend, all from the flexible design and compact footprint of Air Products PRISM® systems.

Small volumes, similar to bulk supply up to large-scale requirements and from low to high purity needs, can be supplied within our range of on-site plants. Our proprietary, proven reforming, cryogenic, adsorption, and membrane technologies make us a world-leading supplier of on-site production plants and services. With support from our global Operating Service Centers and local technical teams who respond 24/7 for real time, rapid troubleshooting, Air Products keeps you running and delivers peace of mind.

Sustainability-minded customers depend on Air Products on-site gas generation plants to lower their carbon footprint, boost energy efficiency, increase throughput, enhance end product quality, and improve environmental performance. With global installations in most end-use markets, Air Products has developed and continues to execute supply systems and industry offerings designed to meet the changing needs across a spectrum of applications.

Whether you buy industrial gases under an on-site agreement or purchase the plant, you will join an extensive customer base who counts on Air Products to deliver more than just gases.

Flexible commercial solutions for on-site gas production

Sale of Gas: Air Products designs, installs, maintains, owns and operates plant at customer's site with dedicated production capacity and redundant backup supply for molecules via a supply agreement and guaranteed on-stream rate.

Sale of Equipment: Air Products designs and ships a turn-key plant to customer via a purchase agreement. Customer installs and owns the plant. Operation and maintenance of the equipment can be handled by the customer or can be managed by Air Products in the form of an Operation and Maintenance agreement.


Air Products


Equipment Design  SOG/SOE  
Define scope for Applications-Industrial Gas integration SOG/SOE  
Freight to Site SOG SOE
Procurement, Construction, Installation & Commissioning SOG SOE
Liquid Product and Back-Up Supply SOG Optional SOG?
Ongoing Operations and Maintenance SOG SOE
Real-time monitoring, and local technical response/support SOG SOE
Spare Parts Inventory Management SOG  
Safety Training SOG/SOE  

​On-site Gas Generation – Simple Solutions for Everyday Challenges

Quick installation & easy integration

Modular plant design with components customized to site needs and a compact footprint means limited downtime to install and start up

Uninterrupted supply every time

Production plants are designed with backup liquid supply and on-site storage - a 99.99% onstream guarantee solution

Standard components for robust custom solutions

Designed for a full range of flow, purity, and pressure needs, PRISM plants deliver an optimally designed system for low initial capital expense and long-term cost-effective gas supply

Automatic controls and flexible operating patterns

Turndown performance and load following are standard to our plants, maximizing energy efficiency and lowering the overall operational cost

Global operational excellence with local technical response 24/7

Our enhanced safety focus, rapid troubleshooting, and optimization techniques help you manage process safety, operational reliability, and energy efficiency...allowing for immediate intervention and avoidance of costly unplanned outages.

Technology innovation and evolution

Investing in our products to deliver superior performance is core to our business and we can replace your aging system with newer, more efficient solutions

Industry expertise from application offerings to technical support

From pre-sale process audits to post-sale technical analysis, our dedicated team is available to evaluate and improve your gas use profile

Real-time account information & management

Through MyAirProducts, find answers to questions related to your account, quickly and easily-24/7. Access invoices, obtain volume reports, and retrieve safety information

Interested in evaluating on‑site generation for your gas supply needs?

Contact an on-site generated gas expert today.

Contact Us

Gas Supply Options


Valued for its reactive and protective properties, and used by many industries such as electronics, foods, glass, chemicals, refining and more can benefit from its unique properties to improve quality, optimize performance and reduce costs.


Useful as a gas, for its inert properties, and as a liquid for cooling and freezing. Virtually any industry can benefit from its unique properties to improve yields, optimize performance and make operations safer.


In addition to its use as a respiratory gas for healthcare applications, its strong oxidizing properties benefit many industries by improving yields, optimizing performance, lowering costs and reducing carbon footprint compared to other fuels.


Providing turnkey solutions to convert hydrocarbon feedstock into synthesis gas for high-value products and power.

Meeting Nitrogen Demand with Onsite Gas Production

Plants built on or near a customer's site with product delivered via a pipeline allows customers that required large volumes of gas to significantly reduce product costs while enhancing raw material reliability.

Plant Support Services and Solutions​

Air Products offers a comprehensive portfolio of services and solutions through our highly skilled staff at offices located around the world. Our team resolves customer problems related to air separation and hydrogen production plants with solutions that emphasize safety, reliability, and operating efficiency.

Need help with your cold box services? Our team of experts is here to help with new installation, replacement, maintenance and repair.

From plant assessments to engineering studies, maintenance and technical packages, operator training, and spare parts management, we are your one-stop shop for before and after plant sale support.


On-site Generated Gas Production

Flexible, fully-integrated, compact systems delivering uninterrupted, low cost, efficient gas supply.

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