Any power, any water, anywhere.

Your comprehensive hydrogen solution

Complete PEM hydrogen solution

Cutting-edge PEM electrolyzer solution utilizing AC/DC power and city water to generate pressurized and pure hydrogen

24/7 assurance

Continuous global remote monitoring and maintenance (RM&M)

Commitment to performance

Optional performance guarantee ensures seamless operations and high availability

Introducing Ohmium® Lotus Mark 2

MARK 2 PRODUCT BROCHURE
Provides a single point for electrical connection and distributes power at the appropriate voltage levels to all the cabinets.
Distribution Panel
Responsible for site communications, sensory data, and the control of the electrolyzers to optimize hydrogen production.
TELEMETRY CABINET
Ohmium’s cutting edge PEM electrolyzer stack that produces high purity hydrogen at industry-suited pressures.
HYDROGEN CABINET
Contains proprietary power electronics, providing both AC/DC and DC/DC conversion modules to regulate the DC power to the electrolyzer stack.
POWER CABINET
Pumps and circulates a glycol mixture to the hydrogen cabinet to help dissipate heat generated during electrolysis.
GLYCOL CABINET
A centralized connection for the onsite water supply, which is then purified through filtration, reverse osmosis, and ion exchange to de-ionize the water, making it appropriate for electrolysis.
water CABINET
Air-cooled radiators, cooling fans, and glycol piping, which enable air-based heat dissipation and maintain an exclusion zone to mitigate potential gas hazards.
COOLING DUCTS
Water Cabinet

A centralized connection for the onsite water supply, which is then purified through filtration, reverse osmosis, and ion exchange to de-ionize the water, making it appropriate for electrolysis.

Glycol Cabinet

Pumps and circulates a glycol mixture to the hydrogen cabinet to help dissipate heat generated during electrolysis.

Power Cabinet

Contains proprietary power electronics, providing both AC/DC and DC/DC conversion modules to regulate the DC power to the electrolyzer stack.

Hydrogen Cabinet

A centralized connection for the onsite water supply, which is then purified through filtration, reverse osmosis, and ion exchange to de-ionize the water, making it appropriate for electrolysis.

Cooling Ducts

Air-cooled radiators, cooling fans, and glycol piping, which enable air-based heat dissipation and maintain an exclusion zone to mitigate potential gas hazards.

Telemetry Cabinet

Responsible for site communications, sensory data, and the control of the electrolyzers to optimize hydrogen production.

Distribution Panel

Provides a single point for electrical connection and distributes power at the appropriate voltage levels to all the cabinets.

Ohmium® cutting-edge PEM electrolyzer

Pressurized, high
purity hydrogen solution
Industry leading
efficiency
Dynamic
operations
Multi-level
safety construct
High plant
availability
Compact 
and
outdoor

Rapidly scalable from MW to GW

Hyper-modular units
Interlocking design
Backward compatibility
Technology Excellence
  • Benefit from a state-of-the-art solution based on American IP and Indian cost of manufacturing.
  • Rely on advanced power electronics for smooth integration with renewable energy or grid (AC or DC).
  • Rapidly scale your projects using our standardized hyper modular design with backward compatibility.
Operational Advantages
  • Maximize project value with no building requirement in cold or warm climates and high density from vertical stacking.
  • Vertically integrated supply chains and gigawatt-scale manufacturing.
  • Global installations in USA, Europe, Middle East and India.

Start your green hydrogen journey.

Decarbonization is possible today. Let Ohmium help kickstart your journey with green hydrogen. Contact our team to learn more.
schedule a call

Ohmium can help your business operations achieve greater levels of efficiency, reliability, and sustainability.

Why green hydrogen?

Find out more.

Industry

Increase operational flexibility while reducing your carbon footprint.

Power

Stabilize your energy supply and mitigate renewable energy intermittency.

Transportation

Power heavy-duty trucks and vehicles in shipping and aviation.

August 26, 2025
Ohmium’s Comprehensive and Modular Hydrogen Solution Achieves a Compact Horizontal Footprint of 29.7 m²/MW, Including Maintenance and Access Areas
Ohmium is redefining the boundaries of green hydrogen projects with its innovative approach to footprint size and an inclusive project scope. The third generation of Ohmium's Lotus electrolyzer has achieved a compact total land usage area of 29.7 m2/MW, including space for maintenance and access in its horizontal installation.
June 25, 2025
Toyota Kirloskar Motor and Ohmium Collaborate on Potential Opportunities to Develop Green Hydrogen Solutions in India
Ohmium has signed a Memorandum of Understanding with Toyota Kirloskar Motor Private Limited (India) in New Delhi. The parties will collaborate on the development of hydrogen-based solutions by integrating Toyota’s PEM* fuel cell modules and Ohmium cutting-edge PEM electrolyzers.
June 18, 2025
Ohmium International Appoints Veteran Energy Sector Leader as New CEO to Accelerate Global Growth and Scale
Ohmium International announced the appointment of Dr. Markus Tacke as its new CEO, effective July 1, 2025. With over 22 years of experience at Siemens and a proven track record in the renewable energy sector, Dr. Tacke will drive Ohmium's global expansion and commercialization of its next-generation green hydrogen solutions.