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

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


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.
Driven by deep industry expertise and a passion for sustainability, the Ohmium team excels at delivering affordable yet innovative green hydrogen electrolyzers.
Units are easily stacked to meet your hydrogen needs today – and efficiently scaled as your needs evolve tomorrow.
Our electrolyzers are founded in proven advanced Proton Exchange Membrane (PEM) technology.
Our team has deep and diverse experience in the electrolyzer, fuel cell, and renewable energy industries.
Sophisticated engineering and operational expertise as a leading green hydrogen company that manufactures both the electrolyzer stack and the power electronics.

Increase operational flexibility while reducing your carbon footprint.

Stabilize your energy supply and mitigate renewable energy intermittency.

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