According to news from the National Energy Group Qinghai Company on April 25, the first batch of wind turbines for the 1 million-kilowatt complementary wind-solar storage project in Dachaidan successfully connected to the 110 kV booster station on that day, marking the grid connection of the first batch of wind turbines for the highest elevation and largest capacity complementary wind-solar storage project under construction in China. The Dachaidan 1 million-kilowatt complementary wind-solar storage project, located within the territory of Xitie Mountain Town, Dachaidan Administrative Committee, Haixi Mongolian and Tibetan Autonomous Prefecture, Qinghai Province, includes a 0.3 million-kilowatt wind power project and a 700,000-kilowatt photovoltaic project. After the project is fully connected to the grid, the annual power generation is expected to exceed 2.1 billion kilowatt-hours, equivalent to saving 0.7 million tons of standard coal and reducing carbon dioxide emissions by 1.93 million tons.