Core Insights - China Energy Construction has successfully completed the world's largest artificial cavern gas storage in-situ testing platform, achieving a test pressure of 18 MPa, which is the highest level globally [1][3] - The laboratory, established by China Energy Construction Digital Technology Group, features two super-large test caverns with a maximum depth of 110 meters and a maximum test pressure of 20 MPa, marking it as the largest in terms of scale and pressure parameters worldwide [3] - The breakthrough in technology will accelerate the industrialization and scaling of compressed air energy storage, supporting various strategic material storage applications, including hydrogen, natural gas, and oil [3][4] Summary by Sections Technological Achievements - The testing platform has validated the sealing and stability performance indicators, achieving international advanced levels [1] - The laboratory has developed eight pioneering results, including a composite sealing system and theories on rock mass bearing capacity, all achieved with 100% autonomy [3] Industry Impact - This advancement opens new avenues for deep underground resource utilization, integrating high economic efficiency, reliability, construction efficiency, and operational controllability [3] - The technology supports not only high-pressure air storage but also has broad applications in hydrogen, natural gas, ammonia, and oil storage, contributing to the integrated development of energy sources [3] Project Milestones - The compressed air energy storage demonstration project in Jiuquan, Gansu, with a capacity of 300 MW, has successfully connected to the grid, marking a new breakthrough in China's compressed air energy storage industry [4]

Core Viewpoint - The release of China's significant technological innovation in compressed air energy storage marks a major advancement in the energy sector, with the technology achieving world records in pressure and efficiency [2]. Group 1: Technological Achievements - The newly developed compressed air energy storage artificial cavern technology has surpassed the world's highest pressure level of 18 MPa, setting five world records and achieving eight pioneering results [2]. - The technology is characterized by ultra-high pressure, ultra-tight sealing, ultra-high reliability, ultra-comprehensive perception, and ultra-high efficiency [2]. Group 2: Government Support and Strategic Importance - The local government in Changsha has prioritized the compressed air energy storage project as a significant initiative to support national strategic goals and promote local industrial upgrades [2]. - Changsha aims to leverage this technological breakthrough to establish itself as a global hub for energy storage innovation and to accelerate the formation of a new industrial transformation and aggregation pattern [2].