This conference is aimed at providing a platform for all researchers and engineers to share ideas, highly developed skills and successful practices to others. The conference will last for 4 days with the reception to be held on the first day to meet and mingle with conference chairs, session chairs and other participants. We would like to invite you to join us in this important event and share your recent advanced development and research findings in Power Electronics and Power System to all attendees. Besides, it is also a good opportunity for you and your family to enjoy the culture and view in Kuala Lumpur, Malaysia. We are looking forward to seeing you in PEPSC 2025.2025 3rd Power Electronics and Power System Conference (PEPSC 2025) is co-organized by Tunku Abdul Rahman University and Hong Kong Society of Mechanical Engineers(HKSME), technical sponsored by IEEE PES Malaysia Chapter, supported by South China University of Technology, University of Electronic Science and technology, Shanghai Jiao Tong University, Hangzhou Dianzi University, media supported by Proceedings of the CSEE,Automation of Electric Power Systems, Power system Technology, High Voltage Engineering, Electric Power Information and Communication Technology, New Type Power Systems, CSEE Journal of Power and Energy Systems(CSEE JPES), High Voltage, Energy Internet, Power System Protection and Control, Electric Machines and Control, Electrical Power Engineering Technology, Power Generation Technology, CPSS Transactions on Power Electronics and Applications(CPSS TPEA), Journal of Power Supply, Nanfang Nengyuan Jianshe, Neimenggu Dianli Jishu, Smart Power & Energy Security, Electric Power and Southern Power Grid Technology, which will be held in Kuala Lumpur, Malaysia from Nov. 13 to 16, 2025. The theme of PEPSC 2025 is "Digital, Intelligent Power Conversion and New Power System".