Products | Ohmium

Any Power, Any Water, Anywhere.

A fully integrated, outdoor green hydrogen solution engineered for simplified installation and rapid deployment.

Ohmium® Lotus™ PEM Electrolyzer

Comprehensive hydrogen solution

Low cost, factory-assembled and tested modules for rapid installation

Engineered for rapid commissioning

No building or HVAC required, lowering infrastructure cost

Ambient temperature range from -40^oC to 55^oC

Market-leading system efficiency at 48kWh_AC/kg

Download Lotus™ MK3 Brochure

Ohmium® Lotus™ PEM Electrolyzer
Savings Calculator

Adjust electrolyzer size, run time, and electricity price to estimate your annual savings from Ohmium's 48 kWh_AC/kg system efficiency versus another PEM electrolyzer.*

Electrolyzer size

System power consumption

5 MW

5 MW500 MW

Operational hours

Run time per year

168 h/yr

1 week1 year (8,760 h)

Electricity price

Cost per MWh

$0 / MWh

$0$200

Estimated annual savings with Ohmium

Annual hydrogen output

0 t

Estimated energy saved

0 MWh

* Based on mathematical comparison of Ohmium^® Lotus^™ PEM Electrolyzer Series E, with system efficiency of 48kWh_AC/kg to a PEM electrolyzer with system efficiency of 55kWh_AC/kg, both at BOL. Calculator results are estimates based on information you enter and should not be interpreted as quotations.

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Scalable, Modular Design Tailored to Your Project Requirements

Modularity simplifies deployment, operations, maintenance, and expansion as your hydrogen needs grow

Flexible, standardized modules for rapid deployment and scaling

Plug‑and‑deploy units reduce on‑site time and risks

Adaptable BoP architecture to suit project needs

Rack‑in/rack‑out design simplifies maintenance and boosts uptime

Hassle-Free, 24/7 Remote Monitoring  & Maintenance

Continuous operations with no downtime

Real time plant monitoring and issue resolution

Seamless, proactive service management

Optional performance guarantees

Ohmium Front-End Engineering Design (FEED) Services

De-risk your green hydrogen investment with comprehensive technical planning and cost optimization

Ohmium FEED studies provide:

Accurate Cost & Timeline Projections

Optimized System Design

Risk Mitigation & Stakeholder Alignment

Find out more

Any Power, Any Water, Anywhere.

A fully integrated, outdoor green hydrogen solution engineered for simplified installation and rapid deployment.

How it works

Designed to maximize performance

Ohmium® Lotus™ PEM Electrolyzer
Savings Calculator

Adjust electrolyzer size, run time, and electricity price to estimate your annual savings from Ohmium's 48 kWh_AC/kg system efficiency versus another PEM electrolyzer.*

Scalable, Modular Design Tailored to Your Project Requirements

Modularity simplifies deployment, operations, maintenance, and expansion as your hydrogen needs grow

Technology that can work anywhere

Global installations across three continents

Robust operations in hot and cold climates

Industrial settings

Full CE compliance