河北又添巨型“充电宝”

Group 1 - The first unit of the Yixian Pumped Storage Power Station has been successfully put into operation, marking a significant step in the construction of a new energy system in the Xiong'an New Area and enhancing the renewable energy consumption capacity of the North China power grid [1][3] - The Yixian Pumped Storage Power Station has a total investment of 8.022 billion yuan and a total installed capacity of 1.2 million kilowatts, with an annual pumped storage electricity of 24.09 billion kilowatt-hours and an annual power generation of 18.07 billion kilowatt-hours [1] - The operation of the power station is expected to reduce coal consumption by approximately 126,000 tons and cut carbon dioxide emissions by about 213,000 tons annually [1] Group 2 - The construction of the Yixian Pumped Storage Power Station faced significant technical challenges, including high burial depth and complex geological conditions, which required innovative construction techniques and collaborative efforts from all parties involved [2] - The project utilized electric excavation equipment for the first time in the domestic hydropower industry, achieving full electrification in tunnel construction, which contributed to the project's completion in just 31 months [2] - The successful commissioning of the first unit is the first pumped storage unit to be put into operation in the southern Hebei power grid since the 12th Five-Year Plan, highlighting its importance in optimizing the energy structure and ensuring reliable power supply [3]