陇东风光扮靓齐鲁灯光！陇东-山东±800千伏特高压工程投产

Core Insights - The completion and commissioning of the Longdong-Shandong ±800 kV UHVDC project marks China's first large-scale integrated energy base for wind, solar, and thermal power, facilitating cross-regional energy resource optimization and addressing energy shortages in North China while leveraging abundant resources in the West [1][4] Group 1: Project Overview - The Longdong-Shandong project has a total investment of 20.2 billion yuan and spans 915 kilometers, utilizing ±800 kV rated voltage and 8 million kW rated capacity, making it the first UHVDC project to be fully commissioned at once [4] - The project is expected to deliver 36 billion kWh of electricity annually to Shandong, equivalent to the annual electricity consumption of 10 million households, while reducing carbon dioxide emissions by approximately 16 million tons and replacing 6 million tons of coal [2][4] Group 2: Technological Advancements - The project incorporates domestically developed key technologies, including a transformer with load tap changer and DC control protection based on domestic chips, enhancing the resilience and control of China's high-end power transmission and transformation equipment supply chain [7] - The successful implementation of the project has established a new benchmark for UHV construction, marking a transition to standardized and large-scale development in the sector [7] Group 3: Strategic Importance - The project supports the construction of the "Shagouhuan" new energy base and the large-scale development of renewable energy, contributing to the high-quality development of Gansu and Shandong provinces and promoting regional coordinated development [1][4] - It plays a crucial role in enhancing the electricity supply capacity to Shandong, increasing it to 38 million kW, thereby ensuring safe and green energy use during peak summer demand [2][4]