The pilot project by HYBRIT in Sweden has successfully proven the feasibility of storing fossil-free hydrogen gas for industrial purposes, particularly in the steel industry. The initiative, launched in 2016, aims to pioneer fossil-free iron- and steelmaking using hydrogen and electricity. The recent completion of the pilot project has shown that it is possible to store hydrogen gas produced using fossil-free electricity to support large-scale industrial processes. The results indicate potential cost savings of up to 40% in hydrogen production through effective storage. The project, located in Luleå, has successfully demonstrated the safety, functionality, and performance of the hydrogen storage facility, paving the way for industrial-scale implementation. The initiative not only aims to reduce carbon dioxide emissions in the steel industry but also contributes to increasing the flexibility of the electricity system. By enabling the storage of surplus hydrogen during periods of low electricity prices and using it when prices are high, the project optimizes hydrogen production costs and supports a more sustainable industrial process. The successful pilot project has garnered positive feedback from industry leaders involved, showcasing the readiness of the technology for further scaling. The Swedish Energy Agency's co-financing of the project underscores the importance of such developments in driving decarbonization efforts. With plans to extend the project until 2026 for additional testing and improvements, HYBRIT is set to play a crucial role in advancing fossil-free value chains and reducing the carbon footprint of the steel industry.