The HyCavern project focuses on research and innovation in underground hydrogen storage. It explores an emerging technology designed to store large quantities of green hydrogen in Lined Rock Caverns (LRC).
Coordinated by SINTEF with the participation of the Foundation for Hydrogen in Aragon (FHa), the project develops the following key technical components:
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Advanced Metallurgy: Development of steel tanks and laser welding techniques specifically designed for hydrogen contact, including high-performance coatings.
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Sustainable Construction: Implementation of low-carbon cement and its role in mechanical load distribution to the surrounding rock.
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Applied Geotechnics: Comprehensive study of soil and rock types to ensure optimal structural support during energy storage cycles.
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Smart Monitoring: Identification of the most effective sensors to maximize data extraction and operational safety during pilot tests.
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Proof of Concept (PoC): Construction of a small-scale real-world tank to experimentally validate the technology.
The material studies are supported by advanced computational simulations to reduce technological uncertainty and enable large-scale industrial deployment. Additionally, the project includes safety protocols and a techno-economic analysis to ensure market viability.
The ultimate goal of HyCavern is to increase technical knowledge, raise the Technology Readiness Level (TRL), and provide the industry with the tools needed for large-scale hydrogen infrastructure in Europe.
1. What is LRC technology in the context of HyCavern? Lined Rock Cavern (LRC) technology involves storing pressurized hydrogen in excavated rock cavities lined with steel and low-carbon concrete to ensure gas-tightness and safety.
2. Who coordinates the HyCavern project? The project is coordinated by SINTEF (Norway) and includes a world-class consortium with partners like Oxford University, TU Delft, Deloitte, and the FHa.
3. What is FHa’s main contribution? FHa is responsible for the Proof of Concept, conducting real-world fatigue tests and safety monitoring at its facilities in Aragon.
