The hydrogen storage sector is experiencing significant growth, driven by advances in storage technologies, supportive government policies, and the rising demand for sustainable energy alternatives.
The global hydrogen energy storage market is projected to reach USD 31.04 billion by 2033, reflecting a compound annual growth rate (CAGR) of 7.2%. As the industry evolves, several companies are emerging as leaders in hydrogen storage solutions.
In this article, we highlight 10 top hydrogen storage companies to watch in 2025, showcasing their contributions to shaping the future of energy storage.
Global Startup Heat Map highlights Emerging Hydrogen Storage Companies to Watch
Through the Big Data & Artificial Intelligence (AI)-powered StartUs Insights Discovery Platform, covering over 5M+ startups, 20K+ technology trends plus 150M+ patents, news articles & market reports, we identified 105 hydrogen storage startups.
The Global Startup Heat Map below highlights the 10 hydrogen storage startups you should watch in 2025, as well as the geo-distribution of 105 startups & scaleups we analyzed for this research.
According to our data, we observe high startup activity in the US and the UK, followed by Germany and India. The top 5 Startup Hubs for Hydrogen Storage are London, New York City, Houston, Singapore, and Amsterdam.
Meet Emerging Hydrogen Storage Companies to Watch in 2025
We hand-picked startups to showcase in this report by filtering for their technology, founding year, location, funding, and other metrics. These 10 hydrogen storage startups work on solutions ranging from hybrid energy solutions and green hydrogen to liquid organic hydrogen carriers and on-site production.
- Vedasya – Composite Overwrapped Storage Solutions
- Coolergy – Liquid Hydrogen Refuelling Infrastructure
- Geoviridien – Hybrid Energy Solutions
- SIMPLE H2 – Energy Storage Systems
- Hydroverse – Real-Time Hydrogen Generation Monitoring
- Beijing Hywin – Liquid Organic Hydrogen Carriers
- United Fiber Sensing – Hydrogen Leak Detection Systems
- Sasit Lab – Optimal Hydrogen Storage Materials
- Accretion – Green Hydrogen
- HyDepot – On-Site Hydrogen Storage
1. Vedasya
- Founding Year: 2022
- Location: Hyderabad, India
- Use For: Composite Overwrapped Storage Solutions
Indian startup Vedasya designs and produces Type-III and Type-IV composite overwrapped pressure vessels (COPVs). These COPVs function at operating pressures of up to 700 bar for the storage of hydrogen.
These tanks’ design minimizes mass and expense while ensuring high strength for the specified working pressures. The startup’s storage solutions are lighter and safer due to the use of composite materials.
The startup also creates lightweight hydrogen cylinder cascades that enable the safe and effective transportation of compressed hydrogen in huge quantities, aiding producers and consumers. Vedasya also develops carbon fiber diffusion layers, end plates, and bipolar plates for hydrogen fuel cell stacks.
The startup promotes the hydrogen economy by offering efficient, secure, and cost-effective storage and transportation options.
2. Coolergy
- Founding Year: 2023
- Location: Tres Cantos, Spain
- Use For: Liquid Hydrogen Refuelling Infrastructure
- Notable News: In 2024, Coolergy partnered with the Czech engineering firm Aurora Engineering to convert 12 TGМ4 diesel locomotives of the Latvian company DZ Loko to hydrogen traction.
Spanish startup Coolergy creates infrastructure for liquid hydrogen refueling to support the use of hydrogen-powered vehicles. Its liquid hydrogen fuel system for trucks includes primary cryogenic tanks and boil-off tanks.
These primary tanks are safer as they use vacuum and multi-layer insulation to keep hydrogen in its liquid condition at low pressures of 10 to 25 bars. Boil-off tanks provide ongoing fuel cell operation by collecting any hydrogen discharged by safety valves.
Additionally, Coolergy provides mobile refueling systems that enable on-the-go refueling in locations without fixed infrastructure. These systems feature 40-foot vessels mounted on trucks.
The startup aids the transportation industry in making the switch to hydrogen as a clean energy source by offering all-inclusive solutions that cover storage, delivery, and refilling.
3. Geoviridien
- Founding Year: 2022
- Location: London, UK
- Use For: Hybrid Energy Solutions
UK-based startup Geoviridien provides hybrid energy solutions that incorporate hydrogen storage to improve the sustainability and flexibility of energy systems. Its technique combines electrolysis to produce hydrogen with renewable energy sources like solar and wind.
This generated hydrogen is stored and is used directly in a variety of applications or transformed back into energy using fuel cells. This integration enables effective energy management, which allows for the storage of extra renewable energy and its use when demand is high or renewable generation is low.
Geoviridien’s solutions offer a sustainable and dependable energy source, supporting the decarbonization of energy systems by balancing generation and consumption.
4. SIMPLE H2
- Founding Year: 2022
- Location: Tychy, Poland
- Use For: Energy Storage Systems
Polish startup SIMPLE H2 offers energy storage devices that employ hydrogen to control the intermittent nature of renewable energy sources. Its solutions involve electrolyzing excess energy from renewable sources to produce hydrogen, which is then kept in high-pressure tanks.
The fuel cells are used to turn the stored hydrogen back into electricity as needed, which provides a dependable power source. The systems are scalable to accommodate different energy storage requirements due to their modular nature.
SIMPLE H2 ensures the secure operation of its storage solutions by using control technologies and strict adherence to safety regulations. This technique makes it easier to integrate renewable energy sources into the power grid. It also improves energy security by providing an eco-friendly way of storing significant volumes of energy.
5. Hydroverse
- Founding Year: 2022
- Location: Sunshine Coast, Australia
- Use For: Real-Time Hydrogen Origin Monitoring
Australian startup Hydroverse‘s proof of origin technology enables the digital tracking of hydrogen from generation to consumption. Its dashboard ensures accountability and transparency across the supply chain by offering real-time monitoring of hydrogen production, storage, transportation, and consumption.
The solution is widely used in a variety of sectors due to its national and international scalability. Hydroverse simplifies audits and verifies the provenance of hydrogen in real time by offering safe, evidence-based data trails.
This supports environmental, social, and governance (ESG) reporting standards by ensuring that the hydrogen purchased was produced using renewable energy sources.
It also enables organizations to easily use renewable hydrogen and lessen their carbon footprint due to the system’s integration with current supply chains.
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6. Beijing Hywin
- Founding Year: 2021
- Location: Beijing, China
- Use For: Liquid Organic Hydrogen Carriers Technology
Chinese startup Beijing Hywin specialises in liquid organic hydrogen carrier (LOHC) technology, which provides a secure and effective way to transport and store hydrogen. LOHC technology eliminates the requirement for cryogenic temperatures or high pressures. It enables hydrogen to be stored and delivered in ambient conditions by chemically connecting hydrogen to a liquid carrier.
The carrier releases hydrogen through a process known as catalytic dehydrogenation after arriving at its destination. This method streamlines the logistics of hydrogen delivery by making use of the current fuel infrastructure and lowering related expenses.
Beijing Hywin’s technology increases the viability of hydrogen as an energy carrier by simplifying the integration of hydrogen into existing energy systems.
7. United Fiber Sensing
- Founding Year: 2022
- Location: The Hague, Netherlands
- Use For: Fiber Optic Hydrogen Leak Detection Systems
Netherlands-based startup United Fiber Sensing (UFS) creates fiber optic hydrogen leak detection devices to improve safety in the production, storage, and transportation of hydrogen. Its system uses sensors and fiber optics that are inherently secure against explosions, placed at strategic locations like pipelines, storage tanks, and electrolyzers.
These sensors possess sensitivity starting at concentrations as low as 0.1 vol% and are able to identify molecular hydrogen leaks in real-time. The system’s inherent safety is increased by using light that is sent via fiber optic lines, which eliminates the need for any electronics.
It ensures adherence to strict safety regulations by the ATEX-certified sensor read-out. Its fiber optic design enables comprehensive monitoring across facilities which simplifies installation and offers the daisy-chaining of several sensors using a single optical fiber.
The system also integrates with additional fiber optic sensors to monitor variables like pressure, vibrations, temperature, deformation, and tilt. UFS’s technology offers early hydrogen leak identification, which also ensures the safe handling of hydrogen assets and averts possible escalation.
8. Sasit Lab
- Founding Year: 2021
- Location: Zug, Switzerland
- Use For: Optimal Hydrogen Storage Materials
Swiss startup Sasit Lab conducts research on optimal hydrogen storage materials to increase storage capacity and efficiency. It creates materials that adsorb large amounts of hydrogen at different temperatures and pressures, such as metal-organic frameworks (MOFs) and high-surface-area carbons.
Sasit Lab offers solutions that utilise affordable materials and simpler synthesis methods. Its solid-state hydrogen storage material stores hydrogen well. It is also a highly effective adsorbent for capturing carbon dioxide, air pollutant particles, and commonly used agents in water and wastewater treatment.
This solution advances the creation of safer and more effective hydrogen storage devices, which are critical for everything from automobile fuel cells to portable electronics.
9. Accretion
- Founding Year: 2022
- Location: London, UK
- Use For: Clean Fuel Solutions
UK-based startup Accretion Energies offers green hydrogen by using renewable energy sources to create clean fuel options. The startup produces electricity that powers electrolysers that convert water into hydrogen and oxygen by utilising technologies like hydroelectric power, solar energy, and onshore and offshore wind.
Accretion Energies develops zero-membrane electrolysers in addition to using well-established techniques like polymer electrolyte membrane (PEM) electrolysis. The startup provides hydrogen storage alternatives, such as compressed gas or cryogenic liquid based on off-taker needs and practicalities.
The startup contributes to global decarbonization efforts by offering sustainable energy solutions for hard-to-decarbonize sectors, including manufacturing, long-haul transportation, mining, and shipping.
10. HyDepot
- Founding Year: 2021
- Location: Wattens, Austria
- Use For: On-Site Hydrogen Storage
Austrian startup HyDepot creates on-site hydrogen storage systems with gigawatt-hour energy storage capacity. The startup’s technology turns carbon dioxide and hydrogen into methanol. Its process recovers CO2 in liquid form upon retrieval, retaining it for later storage cycles.
This system uses pipe storage units, which can be 40-foot containers or subterranean tanks, to manage the liquid storage media. HyDepot’s method reduces energy usage during storage operations by eliminating the requirement for hydrogen gas compression.
It ensures high energy efficiency and storage density by using liquid storage media, such as methanol and liquid CO2, which hold about 107 kg of hydrogen per cubic meter. The design enables expandable storage capacities of hydrogen or a lower heating value.
The startup’s solutions are beneficial for international energy transportation, energy suppliers, automobile fleets, and local energy storage for industrial businesses.
Discover All Emerging Hydrogen Startups
The Hydrogen startups showcased in this report are only a small sample of all the startups we identified through our data-driven startup scouting approach. Download our free Hydrogen Innovation Report for a broad overview of the industry or get in touch for quick & exhaustive research on the latest technologies & emerging solutions that will impact your company in 2025!
