Imagine using old, empty underground gas pockets as giant batteries for hydrogen. Instead of building expensive new tanks, this project uses the earth's natural porous rock to store huge amounts of energy. It's like repurposing an old warehouse to store a new type of fuel for the whole city.
Renewable energy production is intermittent, and there is a lack of large-scale, cost-effective ways to store hydrogen for entire seasons. Existing natural gas infrastructure is becoming obsolete as the world shifts away from fossil fuels.
A demonstration plant for underground hydrogen storage in porous reservoirs. This includes a monitoring plan and a set of safety and regulatory guidelines for commercial replication.
If you are a gas storage operator dealing with declining fossil fuel demand — this project developed a way to convert existing depleted porous reservoirs into hydrogen storage. This allows you to pivot your assets toward the future hydrogen economy. It targets a technical readiness level of 8.
If you are a renewable energy producer dealing with seasonal energy surpluses — this project developed a system to store 100 percent hydrogen in underground reservoirs. This enables you to save summer energy for winter use via 4 seasonal storage cycles. It integrates renewable sources into the European grid.
If you are a utility company dealing with hydrogen supply instability — this project developed a qualified underground storage system. This ensures a steady supply of high-purity hydrogen for industrial users. It provides a blueprint for replication across Austria, Spain, Hungary, and the Netherlands.
Based on available project data, specific cost or price figures are not provided in the project description.
Yes, the project aims to demonstrate underground hydrogen storage at TRL 8, which is near-commercial scale, using depleted porous natural gas reservoirs.
Based on available project data, there are no specific details regarding IP or licensing agreements provided in the summary.
The project provides guidelines to manage environmental, safety, legal, and regulatory aspects to ensure successful implementation in Europe.
The project showcases specific use cases for integration into local, national, and European energy infrastructure, including the European Hydrogen Backbone.
The project is heavily industry-led, with 75% of the 12 partners coming from the private sector (9 industry partners). This high ratio, combined with 4 SMEs and a coordinator like RAG Austria AG, suggests a strong focus on commercial viability and practical deployment rather than theoretical research. The geographic spread across 5 countries (AT, ES, HU, NL, PL) indicates a strategy for wide European market adoption.
Contact RAG AUSTRIA AG regarding the UHS pilot facility and TRL 8 transition.
Contact us to connect with the EUH2STARS consortium for replication opportunities.
