Helios Aragon
Corporate brand
UnclaimedHelios Aragon is a Spanish natural hydrogen developer aiming to deliver Europe's first natural hydrogen project in Aragón.
Last updated September 28, 2026
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Overview
Helios Aragon is a Spain-based energy company focused on the exploration and production of natural hydrogen, sometimes described as "gold" hydrogen. According to its official website, the company holds acreage in Spain where natural hydrogen has been proven at depth by previous exploration drilling, and it is working to develop what it describes as Europe's first natural hydrogen project in Aragón. The company positions natural hydrogen as a renewable, continuously generated subsurface resource that can be developed using existing drilling, processing and skills from the geothermal and natural gas industries. Helios Aragon's core proposition rests on the Monzón Field, where the company states there is over 1 million tonnes of recoverable volume, a quantity it says would satisfy 10% of Spain's current hydrogen usage for more than 20 years. The company argues that natural hydrogen is the lowest-carbon and lowest-cost source of hydrogen, citing a break-even cost of less than €1/kg compared with €4–€10/kg for green hydrogen, and claiming CO2 emissions around 50 times lower than grey hydrogen, which currently supplies over 95% of global hydrogen demand. It also highlights that natural hydrogen is produced 24/7 without intermittency or storage requirements, and that four production wells in the Monzón Field would provide the energy equivalent of 650 wind turbines without requiring water. The company's stated vision is to produce the lowest-cost and cleanest hydrogen before the end of this decade to accelerate Europe's energy transition. Its activities are centered on Aragón, Spain, with an ambition to expand global activities. Helios Aragon presents itself as a first-mover in the emerging natural hydrogen sector, a segment of the clean energy industry that has attracted growing interest as governments and companies seek alternatives to grey, blue and green hydrogen. As a private company, Helios Aragon does not appear to be listed on a public stock exchange. Its official website serves as the primary public source of information about its projects, resource estimates and strategic vision. The company's messaging emphasizes the scale of the opportunity in the Monzón Field and the potential for natural hydrogen to revolutionize the clean energy transition.
History
Helios Aragon is a Spanish company focused on natural hydrogen exploration and production. While the exact founding date is not provided in the available evidence, the company has emerged as a notable player in the nascent natural hydrogen sector, positioning itself around a project in Aragón, Spain. Its official website states that the company's acreage in Spain has natural hydrogen proven at depth by previous exploration drilling, indicating that the resource was identified through earlier exploration work before Helios Aragon's involvement. The company's flagship asset is the Monzón Field, where it claims over 1 million tonnes of recoverable natural hydrogen volume. Helios Aragon describes this as sufficient to satisfy 10% of Spain's current hydrogen usage for more than 20 years. The company's strategy leverages existing technology from the geothermal and natural gas industries, including drilling rigs, processing facilities and established skills, to develop natural hydrogen accumulations. Helios Aragon's public messaging emphasizes the advantages of natural hydrogen over other forms of hydrogen. It states that natural hydrogen is the lowest carbon source of hydrogen, with CO2 emissions 50 times lower than grey hydrogen, which currently provides over 95% of the world's hydrogen demand. It also claims natural hydrogen is the lowest cost source, with a break-even cost of less than €1/kg compared to €4–€10/kg for green hydrogen. Additionally, the company highlights that natural hydrogen is produced 24/7 without intermittency and requires no storage, utilizing 100% of installed capacity, unlike wind and solar which use around one-third of capacity. It further notes that four production wells in the Monzón Field would provide the energy equivalent of 650 wind turbines and require no water, whereas green hydrogen production uses 9 litres of water for every kilogram of hydrogen. The company's vision is to produce the lowest cost and cleanest hydrogen before the end of this decade to accelerate Europe's energy transition. It aims to deliver Europe's first natural hydrogen project in Aragón and expand global activities. As of the available evidence, Helios Aragon appears to be a private company, and no specific milestones, funding events, or corporate transactions are documented in the provided sources.
Products and positioning
First-mover in European natural hydrogen, targeting the lowest-cost and lowest-carbon hydrogen production.
Natural hydrogen exploration and production
Exploration and production of natural hydrogen from subsurface accumulations, using existing drilling and processing technology.
Monzón Field natural hydrogen project
Flagship project in Aragón, Spain, claimed to hold over 1 million tonnes of recoverable natural hydrogen and intended to be Europe's first natural hydrogen project.
Sources2 sources
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