Top 50 Blue Hydrogen in Europe

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.

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.

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.

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 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.

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.

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.

<name>REMA</name> <description>REMA develops anion exchange membrane (AEM) electrolyzers that merge alkaline electrolyzer robustness with PEM flexibility to produce green hydrogen at higher temperatures and power densities. Their plug‑and‑play units, ranging from 2.5 kW to 50 kW, are designed for scalable manufacturing using standard injection‑molding processes, reducing capital expenditure and operating costs. By lowering production costs toward $2 per kilogram, REMA aims to make green

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.

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.

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.

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.

Provides a SaaS platform for designing, simulating, and assessing early-stage green hydrogen projects, integrating data-driven energy models with on-demand consulting support. This tool enables energy developers to reduce project risks, cut assessment costs by 50-75%, and streamline decision-making through automated analysis and auditable reporting.

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.

<name>Greenlyte Tech</name> <description>Greenlyte Tech provides a fully electrified, modular platform that converts air, water, and solar energy into high‑purity carbon and hydrogen feedstocks for synthetic fuels. Its LiquidSolar™ system produces renewable natural gas, e‑methanol, and e‑SAF at scale, targeting cost parity with fossil fuels. The technology enables hard‑to‑abate industries to achieve decarbonization and energy resilience.</description

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.

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.

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.

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.

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.

Parallel Carbon develops integrated technologies for atmospheric carbon removal and clean energy production. The company combines Direct Air Capture (DAC) with water electrolysis, powered by solar and wind energy, to achieve these dual objectives affordably. This approach aims to deliver carbon capture below $100 per ton and clean hydrogen production near $1 per kilogram.

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.

KEYOU specializes in converting existing diesel engines into hydrogen combustion engines, providing a cost-effective solution for fleet operators to achieve zero-emission transportation. Their all-inclusive mobility service, priced at €0.58 per kilometer, includes vehicle conversion, maintenance, insurance, and access to hydrogen fuel, addressing the need for sustainable heavy-duty transport.

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.

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.

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.

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.

Storegga develops and de‑risks large‑scale carbon capture and storage (CCS) projects and green hydrogen facilities, handling everything from site selection and engineering design to permitting and financing. By leveraging existing offshore pipeline networks, it creates transport corridors that move captured CO₂ to proven geological storage sites and produces electrolytic hydrogen for industrial use, aligning projects with national decarbonisation strategies and securing government and private funding.

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.

This company develops Smart Tank technology for the safe, accessible, and scalable generation and storage of green hydrogen. Their integrated system allows businesses and consumers to produce on-site green hydrogen fuel using only water and renewable electricity. The solution removes complex distribution challenges by enabling point-of-use production and storage while monitoring safety and efficiency via IoT software.

H2Vector develops green hydrogen batteries and energy management systems that optimize renewable energy usage for various applications, including industrial machinery and residential energy generation. Their solutions provide zero emissions and enhance energy self-sufficiency, addressing the need for sustainable energy alternatives in a climate-conscious market.

This company develops and operates green hydrogen hubs to supply and decarbonize industry, mobility, and communities. They also engineer integrated hydrogen system solutions for buildings to foster energy self-sufficiency and achieve net-zero targets. Additionally, the company offers plug-and-play hydrogen products and financing options to accelerate the energy transition.

Ki Hydrogen develops a biomass‑based electrolyzer that simultaneously produces green hydrogen and biogenic carbon dioxide from renewable electricity and waste organic feedstocks. The system delivers hydrogen at about $2 /kg and CO₂ at $100 /tonne with integrated gas separation, enabling low‑cost, high‑purity feedstocks for steel, chemicals, e‑fuel, and fertilizer production without new infrastructure.

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.

Hydros Power develops hydrogen fuel cell hybrid energy systems and decentralized green hydrogen production technologies to enhance energy efficiency and reduce carbon emissions in mobility and off-grid applications. Their solutions address the challenges of hydrogen storage and distribution, enabling users to generate and utilize green hydrogen independently.

This company develops a novel, membraneless electrolyser technology for green hydrogen production that eliminates the need for scarce materials like iridium and rare earth metals. Their system delivers high-pressure (220bara) and high-purity hydrogen directly, integrating compression into the electrolysis process for greater efficiency. The design utilizes mass-manufactured industrial metals, ensuring low costs and facilitating easy end-of-life recycling.

JOLT develops durable, energy-efficient electrodes and electro-catalytic protective coatings for hydrogen and water treatment electrolyzers, enhancing performance and longevity beyond ten years. By providing scalable production solutions, JOLT addresses the need for cost-effective technologies that facilitate the global transition to green hydrogen.

The startup operates hydrogen refueling stations designed for hydrogen vehicles, integrating hydrogen production, storage, and distribution systems. This infrastructure enables clients to establish operational hydrogen charging stations, addressing the lack of accessible refueling options for hydrogen-powered transportation.

The startup develops micro-channel devices for the production, distribution, and utilization of hydrogen and LNG, as well as for carbon dioxide conversion and power generation. Their technology provides industry clients with efficient fluid connection and heat exchange solutions, enhancing energy transition processes and supporting a circular economy.

Yamna operates as a specialized platform focused on the development and investment in green hydrogen and its derivatives. The company aims to produce these green molecules at scale to replace fossil fuel solutions across various sectors. This effort directly supports the reduction of global greenhouse gas emissions through large-scale clean energy projects.

The startup manufactures hydrogen electronic generators that utilize a hybrid fuel cell system combined with an electric storage system to convert hydrogen into electricity. This technology enables clients to replace fossil fuel energy sources with compact, durable, and environmentally friendly power solutions.

This startup develops and operates green hydrogen production facilities using electrolysis powered by renewable energy sources, minimizing carbon emissions. By optimizing the utilization of renewable generation assets, the company reduces the need for expensive grid upgrades while providing tailored energy solutions.

EnHywhere designs and deploys compact hydrogen refueling stations that operate at both 350 and 700 bar, facilitating the use of green hydrogen for various applications including commercial fleets and heavy-duty vehicles. The company addresses the slow rollout of existing refueling infrastructure by providing cost-effective and easily deployable solutions that enhance hydrogen fuel accessibility in urban and rural areas.

This startup manufactures low-cost, high-performance catalysts for the hydrogen economy using sustainable materials and a scalable production process. Their technology addresses the environmental and human rights issues associated with traditional mining by providing an alternative that supports a cleaner energy transition.

CPH2 manufactures membrane-free electrolysers for the production of green hydrogen, utilizing a unique technology that eliminates the need for traditional membranes. This approach addresses the urgent need for zero-emission hydrogen production, supporting global decarbonization efforts and reducing reliance on fossil fuels.

This company provides modular electrolysis systems for localized hydrogen production, storage, and utilization. They offer customized onsite H2 solutions for energy independence and CO2-neutral applications, including mobility and battery storage. Their offerings enable clients to generate and manage their own hydrogen supply directly where it is needed.

Eternal Power focuses on achieving global mass production of green hydrogen at competitive prices to accelerate industrial decarbonization. The company develops and operates dedicated renewable energy production to secure the primary cost factor for electrolysis. They convert green hydrogen into derivatives like green ammonia and methanol for efficient worldwide sales and transport.

The startup develops hydrogen-powered long-endurance drones designed for surveying, mapping, and inspection tasks across various environments. By utilizing a hydrogen fuel cell system, these unmanned aerial vehicles achieve extended flight times and reduced operational downtime, enhancing efficiency for clients.

The startup manufactures engine technology for hydrogen combustion, utilizing biomethane-hydrogen multi-technology to achieve zero CO2 exhaust emissions. This enables clients to significantly reduce their carbon footprint while transitioning to cleaner energy sources.

The startup has developed a hydrothermal liquefaction process that converts plastic waste into green hydrogen and carbon-neutral biomethanol. This technology enables clients to minimize their environmental footprint while creating new revenue opportunities from waste materials.