A breakthrough pilot project in Sweden, led by Telia and the Swedish Post & Telecom Authority, is revolutionizing mobile site resilience by incorporating hydrogen technology. By combining hydrogen, fuel cells, solar cells, and batteries, the pilot has extended the backup power potential of mobile sites from a mere four hours to an impressive 110 days. The trials conducted at a Telia site outside Stockholm have shown the effectiveness of this innovative energy mix in ensuring uninterrupted operation during power outages. What sets this project apart is the ability to produce hydrogen on-site using renewable energy sources, enhancing sustainability and resilience. Telia's Head of Infrastructure, Staffan Åkesson, highlights the project's importance in meeting the increasing demand for constant connectivity, especially in critical sectors like defense and businesses. With a goal to achieve net-zero greenhouse gas emissions by 2040, Telia is at the forefront of sustainable solutions. The project, financed by the Swedish Post & Telecom Authority, involves key industry partners like Euromekanik, Powercell, Polarium, and Soltech. By integrating hydrogen technology into mobile site infrastructure, this initiative not only enhances resilience but also contributes to the EU's energy transition goals for 2050.