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Nantes (France) and Munich (Germany), 20 January 2025, 7:30 AM: Lhyfe (Euronext: LHYFE), a pioneering producer and supplier of green and renewable hydrogen for industry and mobility, and Atmen, an integrated compliance automation platform, have decided to collaborate to set a new standard of excellence in carbon footprint traceability and transparency within the hydrogen and Power-to-X (PtX) sectors.
Lhyfe, on the Path to RFNBO* Certification
Since its creation, Lhyfe has strived to meet the highest ecological standards for its hydrogen. It had been eagerly awaiting the approval by the European Commission of the first “RFNBO” (Renewable Fuel of Non-Biological Origin) certification schemes for renewable hydrogen. Following their publication in December 2024, Lhyfe has begun the necessary steps to obtain RFNBO certification for its production.
* The RFNBO certification confirms that hydrogen is produced sustainably (via water electrolysis) and from 100% renewable electricity. It includes a comprehensive carbon footprint assessment of this production process. The certification ensures compliance with the strict criteria defined by the European Union and adherence to the highest environmental standards, thereby strengthening trust among partners, clients, and investors.
With a commitment to maximum transparency and its rapid expansion in multiple European countries, Lhyfe sought to exceed current regulations even before obtaining its RFNBO certification. Thanks to its partnership with Atmen, Lhyfe now has a robust traceability system with unprecedented precision and granularity.
Each delivery of Lhyfe's green hydrogen can now be accompanied by a Digital Product Passport—an innovation that provides a complete and precise description of the carbon footprint of the hydrogen produced, including detailed information:
This collaboration starts with the production unit in Bouin (Vendée, France) and will be extended to other Lhyfe sites.
The company has also initiated steps to obtain RFNBO certification for hydrogen produced at its various sites. Once achieved, the digital passports will include the “RFNBO-compliant” label.
This partnership delivers unparalleled traceability and compliance for Lhyfe’s green hydrogen, equipping clients with the tools needed to align with their emission and decarbonisation goals transparently.
By combining Lhyfe’s expertise in renewable hydrogen production and Atmen’s advanced automation software, this partnership simplifies compliance with strict sustainability regulations such as RFNBO.
“Atmen is thrilled to partner with Lhyfe, one of the most innovative and fastest-growing hydrogen producers in Europe,” said Flore de Durfort, CEO of Atmen. “Together, we are setting a new standard in traceability, enabling the hydrogen sector to meet the strictest sustainability requirements with precision and transparency.”
“Our collaboration with Atmen is a major step in realising our commitment to transparency for our clients, both in terms of sustainability and traceability,” commented Antoine Hamon, Chief Operations Officer at Lhyfe. “With Digital Product Passports, we are enhancing trust in the sustainability of our hydrogen. We invite the sector to align with this practice, which will help develop the industry with the same spirit of trust.”
Lhyfe is a European group devoted to energy transition, and a producer and supplier of green and renewable hydrogen. Its production sites and portfolio of projects seek to provide access to green and renewable hydrogen in industrial quantities, and enable the creation of a virtuous energy model capable of decarbonising entire sectors of industry and transport.
In 2021, Lhyfe inaugurated the first industrial-scale green hydrogen production plant in the world to be interconnected with a wind farm. In 2022, it inaugurated the first offshore green hydrogen production pilot platform in the world.
In 2023, it inaugurated two new sites, and currently has several sites under construction or expansion across Europe.
Lhyfe is represented in 12 European countries and had 200 staff at the end of June 2024. The company is listed on the Euronext market in Paris (ISIN: FR0014009YQ1 – LHYFE). Lhyfe.com
Atmen simplifies and automates green certification for energy-intensive industries through its integrated compliance platform. Atmen enables producers to track renewable energy usage, carbon intensity, and supply chain sustainability with unparalleled precision. By automating complex workflows related to green compliance, Atmen helps industries meet regulatory requirements efficiently and transparently.
For more information, visit atmen.co
(Munich, March 10, 2026) Last week, Germany took a significant step toward closing remaining gaps in renewable fuel regulation. The Bundestag held the first reading of the Second Law on the Development of the Greenhouse Gas Reduction Quota, which will transpose RED III into national law and, for the first time, introduce explicit quotas for green hydrogen and e-fuels in the transport sector.
While most of Europe works toward RED III compliance, industrial offtakers are already demanding certified molecules as regulatory deadlines near. Siemens, Atmen, and TURN2X, all based in Munich, have developed the first end-to-end model for RED III-ready renewable gas production, from automated plant operations to certified product delivery. The plant of the future is already running at TURN2X's first commercial e-methane plant in Miajadas, Spain.
TURN2X produces climate-neutral e-methane by combining green hydrogen with biogenic CO₂. The company plans to scale this model across Europe, aiming to cover 10 percent of Germany’s gas demand by 2031. Miajadas demonstrates the commercial viability of this pathway, with 100 percent of its renewable gas output sold under long-term off-take agreements.
Siemens provides the industrial backbone for this model, including advanced automation systems, digital twin technology for remote plant operation, and standardised, secure deployment of future facilities.
Siemens adopts an ecosystem approach, collaborating with leading partners such as Atmen rather than developing every component in-house. “This is exactly how we at Siemens want to go forward in renewable energies,” says Philipp Glaser, Siemens Digital Industries. “We want to partner with the best solutions so our customers get innovation, technology, and speed of implementation.”
Atmen, a regulatory technology company, provides the certification data layer. At Miajadas, this enabled the site to reach full RFNBO certification, making automated compliance part of day-to-day operations.
“Certification isn’t a nice-to-have; it’s market access and business case realization,” says Flore de Durfort, CEO of Atmen. “Our platform turns operational data into verifiable, auditable proof that keeps production continuously certification-ready so that renewable fuel producers can scale with confidence.”
For TURN2X, combining Siemens’ industrial technology with Atmen’s compliance layer creates a blueprint for rapid, reliable expansion.
“Scaling across Europe brings two challenges: maintaining operational excellence and meeting increasingly complex certification requirements for renewable fuels,” says Dr. Dominik Schollenberger, CTO of TURN2X. “The Miajadas plant shows that when intelligent operations and built-in compliance come together, e-methane can scale with the reliability our customers expect.”
The three companies share a single goal: scaling green energy production with intelligence, trust, and speed.
The plant of the future isn’t a vision. It’s running today in Miajadas.
About TURN2X
TURN2X develops and operates projects using its proprietary technology to produce e-methane by combining biogenic CO₂ with green hydrogen. The company focuses on scalable, infrastructure-ready renewable gas solutions that support industrial decarbonization and energy security.
About Siemens
Siemens AG (Berlin and Munich) is a leading technology company focused on industry, infrastructure, mobility, and healthcare. The company’s purpose is to create technology that transforms everyday life for everyone. By combining the real and the digital worlds, Siemens empowers customers to accelerate their digital and sustainability transformations, making factories more efficient, cities more livable, and transportation more sustainable. A leader in industrial AI, Siemens leverages its deep domain know-how to apply AI – including generative AI – to real-world applications, making AI accessible and impactful for customers across diverse industries. Siemens also owns a majority stake in the publicly listed company Siemens Healthineers, a leading global medical technology provider pioneering breakthroughs in healthcare. For everyone. Everywhere. Sustainably. In fiscal 2024, which ended on September 30, 2024, the Siemens Group generated revenue of €75.9 billion and net income of €9.0 billion. As of September 30, 2024, the company employed around 312,000 people worldwide on the basis of continuing operations. Further information is available on the Internet at www.siemens.com.
About Atmen
Atmen (atmen.co) is a regulatory technology company providing the data infrastructure that powers trusted certification of industrial products. Atmen focuses on automating certification and enabling large-scale, verifiable supply chain transparency across energy-intensive industries.
Founded in January 2023 by energy and regulation experts Flore de Durfort, Quentin Cangelosi, and Erika Degoute, Atmen has raised €6.3M to date to build technology that certifies industrial goods, starting with renewable gases.
Headquartered in Munich, the company's platform is deployed across industrial sites in 9 countries, automating certification workflows and enabling verifiable proof of product attributes throughout the supply chain.
A new EU-funded project (SURFER) will support Europe’s energy transition by creating more resilient, decarbonised energy systems by advancing hydrogen electrolysers. Atmen joins the consortium to demonstrate how flexible electrolysers can support the penetration of renewables on the power grid.
Variable renewable energy sources (VRES), such as solar and wind, have become the cheapest energy sources available. However, the intermittent nature of VRES presents significant energy storage issues, and this has limited their deployment. At the same time, the production of green hydrogen from electrolysers is projected to represent a significant fraction of the energy usage in Europe’s future, decarbonised energy system. As electrolysers are very quick to start and stop, hydrogen can function as an energy buffer for renewable energy.
The Clean Hydrogen Joint Undertaking’s project SURFER (Supporting Uptake of Renewables with Flexible Electrolysers for Resilient energy systems) aims to facilitate the widespread deployment of variable renewable energy sources by demonstrating the use of flexible electrolysers as dynamic energy buffers. It also aims to stabilise multiple types of energy networks, focusing primarily on power grids, but also considering heat valorisation and isolated or weak grids.
SURFER brings research and industry partners like Atmen together to demonstrate, in real operating environments, how flexible electrolysers can support the stability of the power grid. This capability is essential for scaling both renewable power and renewable hydrogen in Europe.
The project brings together research institutions, industrial operators, grid actors, and digital compliance experts, including Atmen, to study and demonstrate how flexible electrolysers can be integrated into the power grid.
“SURFER addresses two of Europe’s key energy challenges at once: reducing the cost of green hydrogen and enabling higher adoption of renewables”, says project coordinator at SINTEF, Dr. Federico Zenith.
“High shares of renewable electricity introduce volatility and new constraints for power systems,” says Quentin Cangelosi, Co-founder of Atmen. “SURFER brings research and industry partners like Atmen together to demonstrate, in real operating environments, how flexible electrolysers can support the stability of the power grid. This capability is essential for scaling both renewable power and renewable hydrogen in Europe.”
SURFER's multi-disciplinary consortium consists of leading research institutions, hydrogen producers, grid operators, equipment manufacturers, and safety and certification experts. Together they will address the complexities of electrolyser dynamics and energy system integration, significantly advancing beyond the state-of-the-art.
The main goal of the project is to enable electrolysis plants to make additional revenues from power grid stabilisation, also making the latter more resilient and decarbonised with increased VRES adoption and maximisation of their use. The project will improve energy security and drive down costs, thanks to additional sources of revenues and heat integration, thus supporting Europe's energy transition goals.
Through multiple demonstrations across diverse European sites, including operational environments in France, Germany, and Norway, the project will improve the integration of these electrolyser technologies into the energy system. The partners will be the first in the world to provide grid services with electrolysis plants on a commercial basis.
The project will demonstrate the capabilities of Proton-Exchange Membrane ELectrolyser (PEMEL), Alkaline Electrolyser (AEL) and Solid Oxide ELectrolyser (SOEL) to rapidly modulate their operation to accommodate variations in renewable energy supply, grid demand and waste heat when available. The partners have made available their already existing, large-scale sites, rated up to 10 MW for PEMEL, 1.5 MW for AEL and 300 kW for SOEL.
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