Top 50 Blue Hydrogen in Europe

Produces green hydrogen using solar-powered electrolysis, converting water into hydrogen without carbon emissions. This technology addresses the need for sustainable and affordable hydrogen production, supporting the transition to a low-carbon energy system.

The startup produces low-carbon hydrogen through electrolysis powered by renewable energy sources, providing a zero-emission fuel alternative for mobility, construction, and hard-to-electrify industries. This technology enables significant decarbonization efforts, contributing to a sustainable net-zero future.

Lhyfe produces green hydrogen through water electrolysis powered by renewable energy sources, ensuring zero CO2 emissions during the process. This technology provides a sustainable alternative to fossil fuels for mobility and industrial applications, facilitating the transition to decarbonized energy systems.

Ki Hydrogen utilizes biomass electrolysis to co-produce green hydrogen at $2/kg and biogenic carbon at $100/tonne, providing cost-competitive alternatives to fossil fuels. This technology addresses the urgent need for sustainable chemical building blocks essential for a decarbonized economy.

Norwegian Hydrogen develops and operates green hydrogen production facilities, utilizing renewable energy sources to generate hydrogen for zero-emission applications across various sectors, including transportation and industrial use. The company addresses the need for sustainable energy solutions by providing infrastructure that supports the transition to a low-carbon economy.

Sakowin produces decarbonized hydrogen through a patented methane plasmalysis process, which generates hydrogen and solid carbon without CO2 emissions and uses five times less electricity than traditional electrolysis. Their compact, modular systems enable on-site and on-demand hydrogen production, addressing the need for sustainable energy solutions in various industrial applications.

HY2GEN AG develops and operates plants that produce renewable hydrogen and hydrogen-based e-fuels using water electrolysis and advanced synthesis technologies. The company addresses the need for decarbonization in hard-to-abate sectors by providing zero-emission energy carriers for industry, transport, and power generation.

Parallel Carbon develops a hardware platform that integrates Direct Air Capture (DAC) and water electrolysis to remove carbon dioxide from the atmosphere and produce clean hydrogen using renewable energy sources. The company aims to achieve carbon capture at under $100 per ton and hydrogen production at $1 per kilogram by 2030, addressing the urgent need for sustainable energy solutions in a post-fossil-fuel society.

NovaMea develops electrochemical systems for the low-cost production of green hydrogen from water and electricity. This technology addresses the need for sustainable energy storage and conversion solutions in the transition to a cleaner energy economy.

Hystar develops polymer electrolyte membrane electrolyzers for large-scale green hydrogen production, utilizing high-efficiency stacks in a modular design for flexible implementation. This technology addresses the need for sustainable hydrogen solutions to support the transition to renewable energy sources.

Develops and operates green hydrogen hubs that produce and supply renewable-powered hydrogen for decarbonizing industry, mobility, and communities. Offers integrated hydrogen solutions and plug-and-play products to enable energy self-sufficiency and support the transition to net-zero emissions.

Yamna develops and invests in large-scale green hydrogen and green ammonia projects to displace fossil fuels in hard-to-abate sectors. The company focuses on regions with strong renewable energy resources and export potential, providing low-carbon energy alternatives for industries like maritime and chemicals.

The startup develops a technology that processes methane into hydrogen and solid carbon without emitting carbon dioxide, utilizing a method that separates methane into its elemental components. This approach enables industries to convert natural gas or biogas into clean hydrogen fuel and high-quality carbon, addressing the need for sustainable energy sources and reducing greenhouse gas emissions.

REMA develops a membrane-less electrolyzer that utilizes fluid mechanics and optimized reactor design to produce green hydrogen efficiently at elevated temperatures. This technology addresses the high production costs of green hydrogen, aiming to reduce prices from $6 to $12 per kilogram to $2 per kilogram, thereby facilitating its widespread adoption in decarbonization efforts.

Protium Green Solutions develops and operates green hydrogen production and infrastructure to provide zero-emission energy services, supporting organizations in their transition to net zero carbon emissions. By leveraging electrolysis technology, Protium aims to produce 1GW of green hydrogen in the UK by 2030, addressing the growing demand for sustainable energy solutions in various sectors, including aviation and commercial transport.

Pioneers non-precious metal catalysts and electrodes for alkaline and anion exchange membrane (AEM) electrolysis, using proprietary nanotechnology to improve efficiency and scalability in green hydrogen production. This approach reduces reliance on critical raw materials, lowers production costs by up to 20%, and supports decarbonization efforts across hard-to-abate industries.

Oort Energy manufactures hydrogen electrolyzers that utilize proprietary electrolysis technology to produce green hydrogen from solar energy in an off-grid setup. Their systems significantly lower the cost of green hydrogen production, facilitating its adoption for decarbonizing industrial processes.

The startup develops hydrogen panels that generate hydrogen gas by utilizing solar energy to split water molecules, capturing moisture from the air. This technology provides a sustainable energy source at a lower cost, complementing traditional solar panels and addressing the need for clean energy alternatives.

Stargate Hydrogen Solutions provides turn-key alkaline electrolysis systems for the production of green hydrogen using renewable energy sources. Their technology addresses the need for decarbonization in industries such as heavy transport and steelmaking, where traditional electrification methods are insufficient.

Rega Energy develops and operates biomethane and green hydrogen plants to provide sustainable energy solutions for high-emission industries such as cement, steel, and textiles. By replacing fossil fuels with renewable alternatives, the company aims to significantly reduce carbon emissions and facilitate the transition to a sustainable economy.

Verso Energy finances and operates dispatchable renewable energy plants, battery energy storage systems, and carbon-free hydrogen production to create a sustainable energy mix. The company addresses the need for reliable and competitive renewable energy solutions in the transition to a carbon-free economy.

GeoPura utilizes renewable energy sources, such as solar and wind, to produce green hydrogen through water electrolysis, enabling the generation and distribution of zero-emission electricity. This technology provides a sustainable alternative to fossil fuels, facilitating the decarbonization of various industries and helping organizations achieve their net-zero targets.

Dynelectro develops a proprietary solid oxide electrolysis (SOEC) technology that extends the lifespan of electrolyzers by over five times, enabling efficient production of green hydrogen from renewable energy sources. This approach addresses the high costs and intermittent power challenges associated with traditional hydrogen production methods, facilitating a transition to cleaner energy solutions.

Everfuel produces green hydrogen by electrolyzing water, enabling a clean energy source for mobility and industrial applications. The company aims to significantly reduce greenhouse gas emissions in hard-to-abate sectors, supplying up to 8 tons of green hydrogen daily to customers across Europe.

The startup develops green hydrogen and power-to-gas projects that produce renewable synthetic methane from green hydrogen and captured carbon dioxide. This technology enables the decarbonization of the heavy transportation sector by establishing a clean P2X gas production and distribution network in Finland, reducing reliance on fossil fuels.

Produces renewable natural gas (RNG) by combining green hydrogen, generated through electrolysis powered by renewable electricity, with biogenic CO2 in a patented reactor. This process provides a sustainable alternative to fossil fuels for energy-intensive industries, enabling decarbonization while utilizing existing natural gas infrastructure for transport and distribution.

Enapter manufactures hydrogen generators using patented Anion Exchange Membrane (AEM) technology, enabling efficient production of green hydrogen from renewable energy sources. Their modular AEM Electrolysers, ranging from 2.4 kW to 100 MW, facilitate scalable hydrogen production while optimizing energy management through an integrated software toolkit.

The startup develops a de-fossilized technology that utilizes mixed plastic waste and CO2 as feedstock to produce syngas, which serves as a foundational component for manufacturing chemicals like plastics, methanol, and hydrogen. This approach enables chemical producers to reduce their dependence on fossil resources, such as natural gas, while enhancing the quality of their chemical outputs.

Clyde Hydrogen Systems develops decoupled electrolysis technology that produces high-pressure green hydrogen by separating the generation of hydrogen and oxygen, allowing for greater flexibility and efficiency. This approach addresses the challenges of existing electrolysers, including high costs, safety risks from gas mixing, and the need for mechanical compression.

The startup has developed a low-temperature electrolysis technology that converts CO emissions into fossil-free e-fuels and chemicals using renewable electricity. This process provides industries such as aviation and manufacturing with cost-effective, sustainable feedstocks, addressing the need for cleaner alternatives to traditional fossil fuels.

Stegra operates a steel production plant in Boden, Sweden, utilizing green hydrogen to convert iron ore into green iron, thereby producing near-zero emission steel. This process aims to significantly reduce global steel industry CO₂ emissions, addressing the sector's contribution of over 7% to total greenhouse gas emissions.

Ostermeier H2ydrogen Solutions GmbH develops modular hydrogen systems that enable on-site production, storage, and utilization of hydrogen energy through electrolysis and advanced cooling technologies. Their solutions provide multi-family homes and medium-sized businesses with a sustainable, CO2-neutral energy supply, addressing the need for energy autonomy in a transitioning energy landscape.

OXCCU develops a patented one-step catalytic process that converts carbon dioxide and hydrogen from renewable sources into low carbon intensity fuels, chemicals, and biodegradable plastics. This technology addresses the need for sustainable hydrocarbons in aviation and consumer products, significantly reducing capital and operational costs compared to traditional methods.

Neology Hydrogen develops a proprietary Ammonia-to-Hydrogen Generation System (AHGS) that converts ammonia into hydrogen for clean energy applications, enabling carbon-free power generation and mobility solutions. This technology addresses the challenge of high-emission energy sources by providing a scalable, portable, and zero-emission alternative for off-grid power needs.

HH2E converts fluctuating renewable energy sources like solar and wind into a consistent supply of green hydrogen, electricity, and heat. This stable, zero-carbon energy is then provided to local industries and communities.

Tree Energy Solutions develops solar panels and wind turbines that generate green hydrogen in optimal locations with high solar and wind potential. This technology addresses the need for sustainable energy sources by providing a clean alternative to fossil fuels for various applications.

The startup manufactures green energy yachts that utilize underwater turbines to harness wind power and generate clean hydrogen fuel through artificial intelligence routing algorithms. This technology enables yachts to maintain optimal sailing conditions while providing a sustainable energy source for maritime operations.

Gen2 Energy produces and distributes green hydrogen using renewable energy sources, employing a logistics system that includes proprietary smart containers and blockchain technology for traceability. The company addresses the need for emission-free energy in Europe by providing a reliable supply of certified green hydrogen for industrial applications and transportation.

H2SITE utilizes palladium-alloy membrane reactors to extract high-purity hydrogen from easily transportable feedstocks like ammonia and methanol, achieving over 99% purity and up to 98% recovery efficiency. The company addresses the challenge of high costs and inefficiencies in long-distance hydrogen transport, enabling small and medium enterprises to access low-carbon hydrogen more affordably.

Liquid Wind develops eFuel facilities that convert green hydrogen and biogenic CO2 into sustainable eMethanol, addressing the need for fossil-free fuel alternatives in hard-to-abate sectors like global shipping. Their modular and standardized approach enables efficient scaling of production, reducing costs and time while facilitating the transition to renewable energy sources.

Greenlyte Carbon Technologies develops a low-temperature direct air capture (DAC) process that efficiently extracts CO2 from the atmosphere while simultaneously generating hydrogen. This technology addresses the urgent need for carbon removal to mitigate climate change and supports the transition to a circular carbon economy.

The startup develops high-power hydrogen fuel cells that utilize electrochemical conversion of hydrogen-containing fuels for sustainable power generation. This technology enables the transportation and power industries to reduce carbon emissions and transition to cleaner energy sources.

Battolyser Systems produces a flexible electrolyser with integrated battery capacity that generates 100 green hydrogen by utilizing low-cost renewable energy and instantly switching between hydrogen production and electricity discharge. This technology addresses the challenge of high Levelized Cost of Hydrogen LCOH by enabling hydrogen production only when electricity prices are favorable, while also allowing for revenue generation through electricity trading.

Reverion supplies reversible solid‑oxide fuel‑cell (SOFC/SOEC) modules that can generate electricity from biogas at up to 80 % efficiency, electrolyze power to hydrogen or synthetic methane with up to 75 % round‑trip efficiency, and store energy in the same hardware. The containerized units switch between modes in under a minute, integrate automated market‑price optimisation and CO₂ capture, and are sized from 300 kW to multi‑megawatt for biogas plants, renewable generators and grid operators seeking low‑emission, flexible power and long‑duration storage.

Deep Blue Biotech utilizes a novel cyanobacterial platform and synthetic biology to produce high-value chemicals that replace fossil-derived alternatives, significantly reducing carbon emissions. By leveraging renewable feedstocks, the company aims to penetrate key industries such as pharmaceuticals and personal care, driving a transition to sustainable chemical production.

The startup operates a network of hydrogen refueling stations that facilitate the distribution and storage of renewable hydrogen, enabling efficient refueling for hydrogen-powered vehicles. By providing a reliable supply chain for hydrogen producers and consumers, the company aims to reduce reliance on fossil fuels and promote the adoption of clean transportation solutions.

The First Element is developing Smart Tank technology that enables the on-site generation and storage of green hydrogen using renewable energy sources, addressing the challenges of complex and carbon-intensive hydrogen distribution networks. This solution allows both businesses and consumers to produce hydrogen fuel safely and efficiently, facilitating a transition from carbon-based fuels to clean energy.

Macrocarbon cultivates pelagic seaweed to produce carbon-negative biomass, creating drop-in replacements for aviation fuels and plastic precursors. Their integrated approach de-risks large-scale ocean biomass production, sequestering CO2 and supporting a blue bio-economy.

Eternal Power specializes in the global mass production of green hydrogen through the electrolysis of water, utilizing renewable energy sources to achieve competitive pricing. This approach aims to decarbonize hard-to-abate industries such as steel, chemicals, shipping, and aviation, targeting a significant reduction in production costs by 2026.

AVOXT develops membrane-less electrolyzer technology to reduce the cost and improve the efficiency of green hydrogen production. Our proprietary design eliminates membrane degradation, lowering maintenance and extending operational life while increasing energy conversion efficiency for better renewable energy integration.