内蒙古沙戈荒绿电涌动，“十五五”迎来新一轮特高压建设高峰

Core Viewpoint - The Inner Mongolia Energy Bureau has received approval from the National Energy Administration for the power supply plans of the Kubuqi electricity transmission projects to Shanghai and Jiangsu, with construction expected to start by the end of 2026 [1] Group 1: Project Overview - The Kubuqi electricity transmission project to Shanghai plans to build 8 million kilowatts of solar power, 4.5 million kilowatts of wind power, 2.64 million kilowatts of supporting coal power, and 900 megawatt-hours of new energy storage, with a total investment of approximately 63.2 billion yuan [1] - The Kubuqi electricity transmission project to Jiangsu plans to build 8 million kilowatts of solar power, 4 million kilowatts of wind power, 2.64 million kilowatts of supporting coal power, and 816 megawatt-hours of new energy storage, with a total investment of approximately 64.2 billion yuan [1] - Upon completion, these projects are expected to deliver approximately 72 billion kilowatt-hours of electricity annually to the East China region, with over 60% coming from renewable energy sources [1] Group 2: Regional Energy Development - Inner Mongolia has been approved for six national-level desert renewable energy bases, with a total planned renewable energy installed capacity of 72 million kilowatts [2] - The development of large-scale wind and solar bases in desert areas will lead to a new phase of explosive growth in Inner Mongolia's UHV (Ultra High Voltage) power grid construction [2] - The State Grid Mengdong Electric Power Company plans to construct 12 UHV transmission line projects during the 14th Five-Year Plan period, which will significantly increase the external electricity delivery capacity [2] Group 3: Future Projections - After the completion of the "Six AC and Six DC" projects, along with the existing "Five AC and Three DC" lines, the total delivery capacity of Inner Mongolia's UHV power grid will reach 96.7 million kilowatts [3] - The external electricity delivery volume from Inner Mongolia is expected to exceed 1 trillion kilowatt-hours during the 14th Five-Year Plan period, with 11 provinces and cities receiving power [3] Group 4: Specific Projects and Timelines - The Kubuqi-Shanghai UHV DC transmission project, known as "Mengdian into Shanghai," is crucial for Shanghai's future economic and energy security, with an expected annual delivery of 40 billion kilowatt-hours upon full operation [4] - The Jiangsu project is expected to enhance the province's electricity balance capabilities by the end of 2027 [4] - The project to deliver electricity from the Inner Mongolia desert base to East China is included in the national power development plan, with construction expected to begin in 2025 [4]