我国首个30万方量级大型储气建设取得重要进展

Core Insights - The 300MW advanced compressed air energy storage national demonstration power station in Xinyang, Henan, has achieved a significant milestone with the completion of 50% of the underground gas storage excavation, marking progress in China's first large-scale underground gas storage project of 300,000 cubic meters [1][2] Group 1: Project Overview - The underground gas storage facility is designed to hold 300,000 cubic meters, equivalent to the volume of 130 Olympic-sized swimming pools, playing a crucial role in determining gas storage capacity, system efficiency, safety, and stability [1][2] - Upon completion, the power station is expected to generate 420 million kilowatt-hours of electricity annually, enhancing the efficiency, economy, and reliability of the local power system [2] Group 2: Innovative Technologies - The project features a high-efficiency self-draining system and a breakthrough design of a 15-meter super-large borehole, increasing the effective volume of the gas storage to 300,000 cubic meters, a 300% increase compared to previous designs [3] - The innovative horizontal drilling construction method, which is being used for the first time in compressed air energy storage, reduces construction risks and costs while allowing for more flexible navigation around geological challenges [4]