This book constitutes the refereed proceedings of the 7thInternational Conference on Smart Grid and Innovative Frontiers in Telecommunications, SmartGIFT 2022, held in Changsha, China, in December 10-12, 2022The 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...