Core Points - The Gansu Longdong DC supporting renewable energy 330 kV transmission project has achieved full line connectivity, marking a significant milestone in the construction of the "Shagou Desert" renewable energy base and the "Longdong into Shandong" strategy [1][3] - The project is a key supporting initiative for the "Longdong into Shandong" ±800 kV UHVDC project, designed to transmit 8 million kW of electricity, capable of delivering over 36 billion kWh annually to Shandong, meeting the annual electricity needs of nearly 10 million households [3][5] Project Details - The total length of the project is 324.262 kilometers, with 677 new transmission towers constructed [5] - The project faced challenges such as complex terrain and harsh environmental conditions, requiring meticulous planning and coordination among various departments to ensure safety and quality during construction [3][5] - The project is expected to enhance the renewable energy transmission capacity of the Longdong region by forming a robust power grid system in conjunction with other existing renewable energy transmission lines [5] Future Plans - The company is currently focused on installing line accessories and debugging substation equipment to ensure the project is ready for operation [5] - The construction experience gained from this project will be utilized to improve the management standards of future major power projects, emphasizing standardized processes, refined risk control, and efficient collaborative management [5]