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Shanghai Electric Provides Core Equipment for World's Largest Compressed Air Energy Storage Station Now Fully Operational in Jiangsu, China
The Huai'an Salt Cavern Compressed Air Energy Storage (CAES) demonstration project (the "Project") in China's Jiangsu Province, which is the world's largest CAES station, has recently been fully commissioned. Shanghai Electric (SEHK:2727, SSE:601727) supplied core equipment for the Project, including air turbine units, generators, electric motors, and molten salt storage tanks.
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[{"type":"text","content":"SHANGHAI, March 4, 2026 /PRNewswire/ -- The Huai'an Salt Cavern Compressed Air Energy Storage (CAES) demonstration project (the "Project") in China's Jiangsu Province, which is the world's largest CAES station, has recently been fully commissioned. Shanghai Electric (SEHK:2727, SSE:601727) supplied core equipment for the Project, including air turbine units, generators, electric motors, and molten salt storage tanks.","length":447,"tagName":"p"},{"type":"image","alt":"World's Largest CAES Station in Jiangsu with Shanghai Electric Equipment","displaySize":"","headline":null,"caption":"World's Largest CAES Station in Jiangsu with Shanghai Electric Equipment","className":"","disableSlideshowImg":false,"size":{"original":{"width":400,"height":300,"url":"https://media.zenfs.com/en/prnewswire.com/34eae93837ed9e3cc4498c283d8371b6"},"resized":{"url":"https://s.yimg.com/ny/api/res/1.2/x2XYvQoS0Lm_B75o49bqag--/YXBwaWQ9aGlnaGxhbmRlcjt3PTcwNTtoPTUyOTtjZj13ZWJw/https://media.zenfs.com/en/prnewswire.com/34eae93837ed9e3cc4498c283d8371b6","width":400,"height":300}},"href":"https://mma.prnewswire.com/media/2925641/Image.html","hrefExternal":true,"rel":"nofollow"},{"type":"text","content":"The Unit 2 has successfully achieved grid connection and full-load power generation at the first attempt, providing valuable engineering practice in support of China's new-type power system development.","length":206,"tagName":"p"},{"type":"text","content":"The Project consists of two 300 MW non‑supplementary combustion CAES units, totaling 600 MW of installed capacity and 2,400 MWh of storage, with approximately 71% conversion efficiency. Air is compressed and stored in salt caverns during low‑demand periods, then released to drive turbines for power generation at peak times, supporting grid stability through peak shaving and frequency regulation.","length":398,"tagName":"p"},{"type":"text","content":"Utilizing about 980,000 cubic meters of salt caverns located 1,150 to 1,500 meters underground in Huai'an, the Project employs "molten salt + pressurized thermal water" non‑supplementary combustion high‑temperature adiabatic compression technology. This enables compressed heat to be stored and reused throughout the process without fossil fuel combustion, delivering significant low‑carbon benefits.","length":414,"ta...
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