lotus electrolyzer cabinet

Making Green Hydrogen a
reality today.

Accelerating global decarbonization with scalable and versatile green hydrogen solutions for industry, power, and transportation.

Discover the LotusTM PEM Electrolyzer

Powering a clean energy future.

Green hydrogen is the ideal energy source for hard to abate sectors. Ohmium’s Lotus PEM Electrolyzers help power the global transition to economical and sustainable clean energy. Watch the video to learn more.

We help you achieve low-carbon operations.

Ohmium designs and commissions reliable, cost-effective green hydrogen electrolyzers that boost your business’ operational efficiency, sustainability, and economics.

Learn how it works
map of hydrogen use cases over the world


Easily scale from megawatts to gigawatts with an interlocking modular system design.


Leverage proven PEM-based electrolyzer technology for safe, efficient Hydrogen production.


Double down on decarbonizing by powering our zero-emissions electrolyzing process with clean, renewable energy.


Maximize ROI with our streamlined supply chain, efficient installation process, and optimized production
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The Ohmium®

Driven by deep industry expertise and a passion for sustainability, the Ohmium team excels at delivering affordable yet innovative green Hydrogen electrolyzers.

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Interlocking modular design

Units are easily stacked to meet your hydrogen needs today - and efficiently scaled as your needs evolve tomorrow.

Proven technology

Our electrolyzers are founded in proven advanced Proton Exchange Membrane (PEM) technology.

Industry veterans

Our team has deep and diverse experience in the
electrolyzer, fuel cell, and renewable energy industries.

Vertically integrated

Sophisticated engineering and operational expertise as a leading green hydrogen company that manufactures both the electrolyzer stack and the power electronics.

Green Hydrogen solutions for diverse needs.

Ohmium’s advanced proton exchange membrane (PEM) electrolyzers use water and renewable energy to produce green Hydrogen, a sustainable resource that can be used in a wide range of sectors and applications.

industry using hydrogen

Industry: Decarbonize your operations with Hydrogen.

Use emission-free Hydrogen to upgrade to sustainable industrial processes and production.
utility substation

Power: Power your business with Hydrogen.

Integrate, store, and stabilize
renewable energy with the flexibility of Hydrogen production and storage.
port at night

Transportation: Fuel your fleet with Hydrogen

Cut emissions, weight, and refueling time with Hydrogen-powered transport and shipping.

Ohmium's Strategic Growth Equity Investors

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green Hydrogen