In a groundbreaking development in Sweden, a hydrogen pilot project at a Telia mobile site near Stockholm has demonstrated the capability to extend backup power from the usual four hours to an impressive 110 days. By integrating hydrogen, fuel cells, solar cells, and batteries, the project aims to enhance the resilience of mobile sites during power outages. The initiative, called the Roslagen project, is financially supported by the Swedish Post and Telecom Authority and is set to be completed by December 2025. This innovative approach not only diversifies the energy sources for backup power but also underscores the importance of sustainability and renewable energy in the telecommunications sector. Telia, along with partners Euromekanik, Powercell, Polarium, and Soltech, is pioneering this new energy solution, which utilizes on-site production of hydrogen with renewable sources. The successful implementation of this project could revolutionize how mobile sites manage power disruptions and ensure uninterrupted connectivity, especially in critical situations. The positive sentiment towards this hydrogen-powered initiative reflects a step forward in developing sustainable and resilient infrastructure for the future.