IESES 2025, the 4th IEEE International Conference on Industrial Electronics for Sustainable Energy Systems, covers a range of topics, such as power electronics, control and management, and the application of intelligent techniques. It serves as a platform for experts, researchers, and practitioners to share innovative ideas, discuss recent research findings, and explore technological breakthroughs in sustainable energy systems. IESES 2025 aims to foster a dynamic, multidisciplinary environment that promotes knowledge exchange and drives collaborative innovation. We sincerely hope that the interactive multidisciplinary environment provided by IESES 2025 will benefit all our participants to engage with the latest developments in the field and to initiate partnerships that will advance sustainable energy solutions.