At present，China's economy is transitioning from a phase of rapid growth to a stage of high-quality development. This is a pivotal stage for transforming our growth model，improving our economic structure，and fostering new drivers of growth. Therefore，proficient utilization of resources，technical advancement，and institutional innovation have emerged as crucial driving forces for industrial transformation and upgrade，as well as tor sustainable economic and social development. High-quality development of Chinese economy is critically dependent on high-quality energy development resources. It is imperative to create a clean，low-carbon，safe and efticient modern energy system.The transformation of energy production and consumption patterns，the optimization of energy supply structure，the improvement of energy system efficiency，the enhancement of energy security capability and service quality and other factors，are promoting the transition of China's energy development from increase in terms of total quality to improvement of quality and efticiency. This approach addresses the issues of imbalance between energy production and supply，thus satisfying people's needs for a better life with safe，high-quality，economic，convenient，clean and intelligent energy supply.Considering the new background of high-quality economic growth in China and the improvement of energy quality and efficiency，along with the long-term research in the field of energy and electricity，State Grid Energy Research Institute brings together the wisdom of experts from all sectors and draws support from self-developed model tools. Guided by the strategic concept of energy revolution in the new era and rooted in the novel pattern of profound adjustment to the direction，model and driving force of medium and long-term energy development，it applies new theories and modern analytical and decision-making technologies such as source-grid-load-storage coordination，to conduct in-depth analysis and develop a viewpoint on the development trends in the energy and electricity system of the country.Keeping up with the analysis framework and writing style of the previous year，this report forecasts and compares the transition paths of electricity and energy under the Conventional Transition Scenario and the Re-electrification Scenario from the current period up to the year 2050. To effectively support the \
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