去年中国用了超10万亿度电，意味着什么？

Core Insights - China's electricity consumption is projected to exceed 10 trillion kilowatt-hours by 2025, which is more than double the annual electricity consumption of the United States and higher than the total consumption of the EU, Russia, India, and Japan combined [1][14][18] - This significant increase in electricity demand reflects a nearly doubling from approximately 5.5 trillion kilowatt-hours in 2015, indicating a steep growth curve in electricity consumption [18] - The achievement of becoming the world's largest renewable energy system and increasing energy self-sufficiency from around 80% to over 84% since the 14th Five-Year Plan showcases China's strategic planning and infrastructure development in the energy sector [18][19] Electricity Infrastructure and Planning - China's electricity grid construction follows a principle of "appropriate advance," with planning cycles typically spanning 5-10 years, allowing for proactive infrastructure development [19][20] - The State Grid Corporation of China has announced a fixed asset investment of 4 trillion yuan for the 14th Five-Year Plan period to meet future electricity demand growth [19] - The unified national electricity market enables efficient energy resource distribution across regions, addressing the challenge of energy resource imbalance [22] High Voltage Transmission and Global Comparison - China has built 42 ultra-high voltage projects, with cross-province and cross-region transmission capacity reaching 370 million kilowatts, and predictions suggest that the number of ultra-high voltage transmission channels could double by 2050 [23] - In contrast, the U.S. faces significant challenges with aging infrastructure, lengthy approval processes, and a fragmented electricity market, leading to frequent power outages during extreme weather events [23][24] Challenges in the U.S. and Europe - The U.S. electricity grid is criticized for being outdated, with 70% of transformers exceeding their expected lifespan, and a lack of unified national strategy complicates infrastructure upgrades [23][24] - Europe also faces challenges, as evidenced by a major blackout affecting over 50 million people in 2025, highlighting the aging infrastructure and cross-national conflicts within the EU [24] Future of Electricity and AI Integration - The integration of artificial intelligence with the electricity grid is seen as a transformative step, with China launching its first power IoT operating system and a billion-level multimodal power model [29] - The competition for electricity is not merely an energy race but a strategic resource battle that will determine the future of AI development and technological advancement [27][29] - China's advancements in ultra-high voltage technology and renewable energy sources position it favorably in this global competition, with over one-third of its electricity coming from green sources by 2025 [27]