UPSOM Methanation Reactor
GRZ’s patented methanation reactor that converts green hydrogen and CO₂ into synthetic methane.
Engineered for Renewable Gas Conversion at Scale
>99% Single-Stage Conversion
Proprietary catalyst and reactor design achieve over 99% CO₂-to-CH₄ conversion in a single stage, reducing system complexity and operating costs.
Proven Long-Term Durability
Our first reactor, built in 2016, is still in operation with no noticeable degradation, demonstrating exceptional long-term reliability.
Grid-Injection-Ready Methane
Produces high-purity synthetic methane that meets grid-injection standards, with no downstream gas upgrading required.
Integrated Gas Quality Control
Built-in gas chromatography ensures continuous quality monitoring and stable, compliant operation.
From Pilot to Utility-Scale Deployment
DASH
UPSOM
Gaznat & GRZ Transform Renewable Power into Grid-Ready Synthetic Gas
In a pioneering collaboration with Gaznat and EPFL, GRZ supplied the hydrogen storage and methanation technologies powering one of Switzerland’s most advanced Power-to-Gas demonstration plants.

Technical Specifications
More Than a Supplier. A Strategic Partner.
Contact us today and be part of the clean energy revolution.