This book presents the proceedings of the 1st International Conference on Advancements in Power Electronics, Power and Energy Systems (ICAPEPES 2025), which took place from July 18th-19th in Hyderabad, India. The book contains the papers on recent trends in power electronics and power and energy systems applications such as artificial intelligence and machine learning applications in Power Systems, Cyber Security in Power Systems, IoT Infrastructure for Energy Management in Smart cities, Micro Grid and Smart Grid Technologies, Electric Vehicle and Hybrid Electric Vehicle Technologies, Renewable Energy sources integration to Power Systems, Power Electronics for Renewable Energy Systems Integration, Power Converter Topologies, Components and Devices, and more. The proceedings serve as a resource for research scholars and students to formulate their research ideas and find the future directions in these areas.