4座！该省批复，支撑高比例新能源接入

Core Viewpoint - The Yunnan Provincial Development and Reform Commission has approved the construction of four 500 kV power transmission and transformation projects to enhance the main grid and accelerate the development of a new power system, supporting a high proportion of renewable energy integration [1] Summary by Sections Project Details - The four projects include: 1. The construction of the 500 kV Changxin power transmission and transformation project in Yunlong County, Dali Prefecture, which will meet the renewable energy transmission needs of northern Dali and the Nujiang Lushui area, while enhancing the transmission capacity of hydropower stations in the upper reaches of the Lancang River [1] 2. The establishment of the 500 kV Jiangcheng power transmission and transformation project in Jiangcheng County, Pu'er City, which will strengthen the connection between the southwestern Yunnan power grid and the main grid, promoting renewable energy development and cross-border electricity interconnection in southwestern Yunnan [1] 3. The expansion of the 500 kV Dehong substation in Yingjiang County, Dehong Prefecture, which will increase the clean energy transmission capacity by over 800,000 kW [1] 4. The expansion of the 500 kV Gengma substation in Gengma County, Lincang City, which will enhance the regional clean energy transmission capacity by over 1,300,000 kW [1] Investment and Capacity Enhancement - The total investment for these four projects exceeds 3.18 billion yuan, and upon completion, they will enhance the province's renewable energy carrying capacity by over 7 million kW, ensuring the transmission needs of large hydropower projects and strongly supporting the construction of a new power system and green low-carbon development in the province [1]