Ohmium International, Inc.

United Statesohmium.com

Ohmium International, Inc. (Ohmium) designs and manufactures proton exchange membrane (PEM) electrolyzer systems used to produce green hydrogen from water and renewable electricity. The company offers modular equipment suitable for coupling with variable renewable power and for on-site hydrogen generation at industrial and energy facilities.

Ohmium supplies electrolyzer stacks and integrated systems for applications across the chemical value chain, including feedstock for ammonia and methanol, refinery and other process needs, steelmaking, mobility fueling, and power and storage. It works with project developers and operators on new-build and retrofit deployments, providing engineering support and balance‑of‑plant integration to scale hydrogen capacity.

Projects Ohmium is involved in

chemXplore tracks 2 projects involving Ohmium, of which 2 are active.

Ohmium's role on them: EPCI and Technology / equipment supplier.

1 Announced / Concept 1 Under Construction

2 new construction.

Expected to start operating
2026
none
2027
2 projects
2028
none
2029
none
2030
none
2031
none

Contractors and licensors are recorded on all 2 of them For subscribers

Targeting: Hydrogen (1)

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Latest news on Ohmium

29 July 2026
INA Group posts H1 2026: EBITDA €309m, Rijeka upgrade hits mechanical completion

Stronger E&P and favourable refining margins lift H1 results; capex focused on Rijeka Upgrade, offshore development and green hydrogen milestones.

18 March 2025
Res Integra and Ohmium Launch 4MW Green Hydrogen Project in Sicily

A 700-tonne hydrogen electrolyzer, powered by solar PV, will decarbonize industrial operations in Sicily, using advanced, scalable PEM technology for efficient, rapid deployment by 2025.

15 April 2024
INA Invests €98M in Croatia's Green Energy: Biomethane and Hydrogen Plants

Two new plants in Croatia will produce green hydrogen and biomethane by 2026, aiding the green transition. Projects include solar power integration and potential geothermal energy exploration.

Where its projects are

By country, the most active first. active / all projects