This book presents the proceedings of CPESE 2025, the 12th International Conference on Power and Energy Systems Engineering, to be held from 12 to 14 September, 2025 at Kyushu University, Fukuoka, Japan.

This proceedings following a thorough peer-review process conducted in the light of originality, innovation, applicability, technical merit, organization and writing, and relevance to the conference by members of the technical committee. The papers included here cover a wide range Smart Grid, Renewable Energy, Energy Storage, Electric Vehicles, Power Electronics, Integrated Energy Systems, Distribution Networks and Motor System Modelling.

This book will be of interest to all those working in the fields of Power and Energy Systems Engineering.

Dr. Zhixin Wang is Professor and Ph. D Supervisor at Dept. Electrical Engineering, Shanghai Jiao Tong Univ. China, and Vice President of Shanghai Energy Saving Engineering Technology Association, China. He was ever Deputy Director of Mechanical Electrical Control Institute, Associated Dean to School of Mechanical Engineering, Deputy Director of Scientific Research Division, and Deputy Chair of Dept. Electrical Engineering, Shanghai Jiao Tong University, China. He is reviewer for international Journals, such as Applied Energy, ENERGY, International Journal of Electrical Power & Energy Systems, Protection and Control of Modern Power Systems, Renewable & Sustainable Energy Reviews, Sustainable Energy Technologies and Assessments, IEEE Transactions on Power Electronics, Transactions on Industrial Electronics, etc.