The article discusses the importance of ensuring a reliable electricity supply in a changing energy landscape. It emphasizes the need for flexibility in the power system to accommodate new forms of generation and evolving consumer technologies. The researchers highlight the challenges faced by electricity networks in integrating renewable energy sources and improving grid stability. They also present the FLEXITRANSTORE project, which aims to implement innovative technologies like battery storage and smart grid solutions. Stakeholders prioritize renewable energy integration and cross-border connections as key challenges for electricity networks. The paper identifies opportunities for future research and innovation in storage and market models to enhance the flexibility of electricity networks.