【Ten Years of Rapid Development in Chemical Engineering Equipment】1319–2023: The World’s First 300MW-Class Advanced Compressed Air Energy Storage Power Station
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At 15:19 on November 11, 2023, the international first 300MW salt-cave advanced compressed air energy storage demonstration power plant built by Sinocombustion National Energy (Beijing) Technology Co., Ltd. in Feicheng, Shandong, successfully underwent a test power supply; its high- and low-voltage auxiliary power systems were able to receive electricity. This marked an important milestone in the construction of the world’s largest such facility, indicating that the 300MW salt-cave advanced compressed air energy storage demonstration power plant in Feicheng, Shandong, has entered the phase of operational testing. The 300MW advanced compressed air energy storage demonstration power plant in Feicheng, Shandong Province, was invested in and constructed by China Energy Storage (Beijing) Technology Co., Ltd. With a capacity of 300MW/1800MWh, it is the world’s first 300MW-class advanced compressed air energy storage power plant, and its construction holds great significance. The total investment in the project is approximately 1.5 billion yuan. It has been included in Shandong Province’s key projects, as well as in the “Shandong Province Energy Storage Demonstration Project List”, the “Shandong Province Green and Low-Carbon Technology Achievements List”, and the “Shandong Province List of New Technologies, New Products, and New Equipment in the Energy Sector”. The technology behind this power plant originates from the Institute of Engineering Thermophysics of the Chinese Academy of Sciences. By making use of the abundant underground salt caverns in Feicheng City, Shandong Province, it enables large-scale energy storage on the grid side using air as the medium. This power plant boasts advantages such as large scale, high efficiency, long service life, cleanliness and no pollution, as well as high safety levels. Once operational, it will be able to generate 600 million kWh of electricity per year, providing grid services such as peak shaving, frequency regulation, phase regulation, backup power, and black start, thereby contributing to the stable and efficient operation of the power system. The 300MW salt cavern advanced compressed air energy storage demonstration power plant in Feicheng, Shandong Province, has successfully undergone reverse power supply; the plant’s auxiliary power system is now operational. Next, the plant will carry out tests on its auxiliary equipment and utility systems while they are powered on, thereby laying a solid foundation for the subsequent testing of the main units and their connection to the power grid. Next, the power plant construction party will continue to organize on-site work meticulously, formulate a detailed work plan, and assume full responsibility for the tasks, striving to achieve the successful commissioning of the world’s first 300MW advanced compressed air energy storage power plant at the earliest possible time.
The Advanced Compressed Air Energy Storage **Demonstration Project in Feicheng, Shandong Province, utilizes technology owned by the Institute of Engineering Thermophysics of the Chinese Academy of Sciences. It was built by China Energy Storage (Beijing) Technology Co., Ltd. (hereinafter referred to as “China Energy Storage”), with a total capacity of 310 MW. Among them, the 10MW unit in Phase 1 is the world’s first salt cavern compressed air energy storage **pilot power plant; it celebrated its first anniversary of stable operation in 2022, and was successfully included in the \"Shandong Province Catalogue of New Technologies, New Products, and New Equipment in the Energy Sector\" as well as the \"List of Major Technical Equipment Projects in the Energy Storage Field for 2021\". In July this year, it was approved to become China’s first compressed air energy storage independent power plant to participate in spot electricity trading. The second phase of the \"Shandong Feicheng 300MW Advanced Compressed Air Energy Storage Power Plant Project\" covers an area of 97,943 square meters. It is expected to generate 594 million kWh of electricity per year, and will earn revenue by providing various ancillary services through participation in the electricity spot market. The projected internal rate of return on the project’s capital is around 16.38%, with an investment payback period of approximately 7.1 years. In April 2022, it was successfully included in Shandong Province’s list of \"2022 Energy Storage Demonstration Projects\", ranking first among those selected in terms of capacity. At present, the project has completed all necessary procedures such as project registration, preparation of the feasibility study report, safety assessments, environmental impact assessments, and power connection plans. The work related to the construction of the factory building and the installation of the main equipment, as well as the engineering design, has been finished, making the project ready for construction.
From November 25 to 26, 2023, a review meeting for the feasibility study report of the China Power Construction Feicheng 2×300MW (Phase I) salt cavern compressed air energy storage power station demonstration project was held in Jinan. The project feasibility study report prepared by the Hebei Branch was successfully approved. The Water Resources Planning and Design Institute, PowerChina New Energy Company, PowerChina New Energy Shandong Branch, PowerChina Hebei Institute, the Shandong Provincial Energy Bureau, cities such as Tai’an and Feicheng, **and other relevant entities, along with experts, conducted on-site inspections and attended the meeting.
The Feicheng 2×300MW (Phase I) salt cavern compressed air energy storage power plant demonstration project is located in Bianyuan Town, Feicheng City, Shandong Province, and it is currently the largest compressed air energy storage project in terms of total installed capacity in China. The project utilizes 300-megawatt-class, high-capacity advanced adiabatic compressed air energy storage technology. Two compressed air energy storage systems, each with a capacity of 300 MW/1800 MWh, are planned to be installed. The charging time is 8 hours, while the power generation time is 6 hours; the designed electrical efficiency is ≥70%. Once completed, the project will play a significant positive role in making full use of the abundant abandoned salt cavern resources in the Feicheng area, enhancing the safety and stability of the local power grid, and addressing the issue of integrating new energy sources.
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