This book constitutes the refereed proceedings of the 7th International Conference on Smart Grid and Innovative Frontiers in Telecommunications, SmartGIFT 2022, held in Changsha, China, in December 10-12, 2022 The 44 full papers were selected from 116 submissions and focus on new challenges and opportunities of intelligent technologies in new energy systems.The papers are the papers are divided into the following areas: Simulation and analysis of the integrated energy system, disaster prevention & reduction for power grid, industry 4.0 applications, flexible planning and regulation techniques in smart grids, smart control and diagnose of distributed power system, and control and operation of UAV. These sessions aimed to address the new dimension that can gain insights into key challenges, understanding, and criteria of new technologies to develop and implement future industry-related services and applications.