Green hydrogen and biogas: allies in the industrial energy transition

Decarbonization is one of the major challenges facing industry today. In this context, the industrial energy transition advances towards solutions that allow emissions to be reduced without compromising competitiveness. 

Among them, the green hydrogen and biogas stand out as renewable energy vectors with a high transformative potential.

Far from being presented as mutually exclusive alternatives, the most efficient approach involves understanding the complementary role of both. 

While green hydrogen is emerging as a strategic solution in the medium and long term, biogas and its evolution towards biomethane represent a mature option, available today, especially relevant for sectors such as the food industry.

Production: two energy models with different levels of maturity

The main difference between biogas The key to hydrogen lies in its production process. Biogas is generated through anaerobic digestion of organic waste, a consolidated process that allows for the valorization of agro-industrial by-products, sludge or food waste. 

Know more → What is an anaerobic reactor, what is it used for, and in which industries is it useful?

Subsequently, it can be purified to obtain biomethane, with characteristics equivalent to natural gas.

In turn, the green hydrogen It is produced by electrolysis of water using electricity from renewable sources. Although this technology is growing, it still presents challenges in terms of cost, efficiency, and scalability.

From an industrial point of view, this difference between biogas and hydrogen is key: the former relies on already proven infrastructures and technologies, while the latter requires additional development for its mass deployment.

Storage and transport: possible convergences

Regarding its storage, the biomethane It offers a significant advantage: it can be injected directly into the existing gas network, facilitating its immediate integration into current energy systems.

El green hydrogenHowever, it requires specific infrastructure adaptations for both storage and transport. Nevertheless, solutions are already being developed to mix hydrogen with natural gas or biomethane, opening the door to hybrid models.

In this context, The relationship between biogas and hydrogen becomes strategicSince biogas can act as a transition vector, taking advantage of existing infrastructure while specific networks for hydrogen are being developed.

Industrial applications: complementarity in practice

In industry, both renewable gases can perform different but complementary functions. Biomethane is particularly suitable for thermal applications, steam generation, and processes that already use natural gas.

Green hydrogen, meanwhile, has greater potential in processes that require high temperatures or in sectors that are difficult to electrify, such as steelmaking or chemical production.

In sectors such as the food industry, the use of biomethane allows for immediate progress in the industrial energy transition, while future applications of green hydrogen are being explored.

We tell you The challenge no one talks about regarding water management in green hydrogen plants.

Biomethane vs green hydrogen

The debate about biomethane vs green hydrogen should not focus on which is better, but on when and how to apply each solutionIn this respect, biomethane stands out for its immediate availability, its ability to valorize waste, and its direct integration into existing systems.

Green hydrogen, while promising, still faces economic and technological barriers. Its development will depend largely on reducing electrolysis costs and deploying renewable energy sources on a large scale.

In this context, biomethane is positioned as a key tool to advance decarbonization from today, while laying the foundations for a future hydrogen economy.

If you want to know more about this topic → Europe facing biomethane and the circular economy: growing ambition and Spain's position

Shared infrastructures: an opportunity for efficiency

One of the most important aspects of the convergence between biomethane and hydrogen is the possibility of sharing infrastructure. Gas networks, storage systems, and certain industrial equipment can be adapted to manage mixtures of renewable gases.

Esto This will allow for optimized investments and accelerate the transition. towards a more sustainable energy model. Furthermore, will facilitate the progressive integration of hydrogen green in environments where biomethane is already present.

Thus, the coexistence of biomethane and hydrogen is not only viable, but desirable from an economic and operational point of view.

Industrial roadmap: from biogas to hydrogen

For many industries, especially in the food sector, the path to climate neutrality can be structured in phases. In the first stage, implementing biogas-based solutions allows for immediate emissions reductions, optimizes waste management, and generates renewable energy. in situ.

Subsequently, the incorporation of green hydrogen can complement these systems, especially in more demanding processes or in more advanced decarbonization strategies.

This progressive approach reflects how The industrial energy transition can be addressed realistically, combining solutions available today with technologies under development.

The role of biogas in renewable energies 

Within the renewable energy ecosystem in industry, Biogas occupies a strategic positionIt not only contributes to reducing emissions, but also promotes the circular economy by transforming waste into energy resources.

Furthermore, its ability to generate manageable energy makes it an ideal complement to other intermittent renewable sources, such as solar or wind power.

In this sense, biogas is not only an energy solution, but also a tool to improve the overall sustainability of industrial processes.

An integrated approach to the energy future

The transition to a decarbonized energy model is not based on a single technology, but on the intelligent combination of multiple solutions. green hydrogen and biomethane represent two key pieces in this puzzle.

In this context, integrating different renewable gases into the industrial strategy allows for progressive advancement, optimizing resources and guaranteeing the technical and economic viability of each project.

The most efficient approach involves harnessing the immediate potential of biomethane, while advancing the development of green hydrogen as a long-term solution.

SITRA: your ally in the industrial energy transition

The energy transition is not just a technological issue, but an implementation one. Turning challenges into real solutions requires experience, applied knowledge, and the ability to scale projects to an industrial level.

At SITRA, we support our clients throughout the entire process, from waste valorization to renewable gas generation and its integration into their plants. This approach allows us to develop complete projects as technology providers, builders, and operators, offering solutions tailored to each industry.

Read this article about our role as a strategic partner → SITRA becomes the strategic player in boosting the biogas industry in Spain

Our goal is clear: to transform industrial energy consumption into a more efficient, sustainable, and competitive model. Because the industrial energy transition doesn't start tomorrow, it starts today. And doing it with the right partner allows us to move forward with confidence, efficiency, and a long-term vision.

➡️ Contact With SITRA, we will advise you on implementing solutions tailored to your industrial process, optimizing resources and advancing your energy transition from today.

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