PEM electrolyzers
Decarbonizing gas networks with hydrogen pipeline injection
Transform existing gas and energy infrastructure with direct injection, blending, or conversion to synthetic methane by leveraging existing grid assets.
The challenge: Decarbonizing a global energy backbone
Natural gas networks deliver over 20% of the world’s energy through millions of miles of pipeline. These systems are deeply embedded in industrial, residential, and power generation infrastructure — making them difficult to replace but ideal for transformation.
Our solution: Green hydrogen integration with PEM electrolyzers
PEM electrolyzers produce green hydrogen from renewable electricity, enabling three flexible pathways for gas network decarbonization:
- Direct injection into dedicated hydrogen pipelines
- Blending with natural gas
- Conversion into synthetic methane (e-methane)
The ability to inject, blend, or synthesize allows for region-specific approaches that align with local infrastructure capabilities and decarbonization timelines. Green hydrogen can replace fossil fuels in pipeline infrastructure progressively, starting with small blend percentages today and potentially reaching 100% hydrogen networks in the future.
Benefits of gas pipeline injection
Green hydrogen offers a practical way to decarbonize gas networks without starting from scratch. Whether injected directly, blended, or converted into e-methane, it leverages existing infrastructure to deliver clean energy at scale.

Choosing the right gas pipeline method
Each pathway offers unique advantages for different regions and timelines. Dedicated pipelines provide the purest hydrogen for industrial use, blending enables immediate emission reductions with minimal investment, and e-methane ensures complete compatibility with existing infrastructure.
Together, these applications form a flexible plan for converting gas networks into zero-emission systems powered by green hydrogen.
How it works | Impact | |
---|---|---|
Dedicated hydrogen pipelines | Delivers pure hydrogen for industrial use through pipelines designed or retrofitted to carry 100% hydrogen | Decouples production from demand as green hydrogen can be produced in regions abundant with renewable energy resources and transported to urban and industrial centers |
Hydrogen blending | Introduces renewable hydrogen into existing natural gas pipelines without requiring changes to end-user equipment or distribution infrastructure | Enables fast, low-cost emission reductions and allows utilities to gradually increase hydrogen percentages to decarbonize heating and industrial gas consumptions |
e-Methane production | Combines renewable hydrogen and captured CO2 to create synthetic natural gas that can flow through existing pipelines, storage facilities and end-user equipment | Ensures full compatibility with existing gas infrastructure |
PEM electrolyzers built for grid integration
Our HyLYZER® systems are designed to support hydrogen injection across all pipeline strategies — offering modularity, scalability and high-purity output.