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Overview of Compressed Air Energy Storage and Technology Development

College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao 266590, China
School of Engineering, University of Warwick, West Midlands, Coventry CV47AL, UK
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Authors to whom correspondence should be addressed.
Energies 2017, 10(7), 991;
Received: 18 May 2017 / Revised: 6 July 2017 / Accepted: 7 July 2017 / Published: 13 July 2017
(This article belongs to the Section Energy Storage and Application)
PDF [6484 KB, uploaded 13 July 2017]


With the increase of power generation from renewable energy sources and due to their intermittent nature, the power grid is facing the great challenge in maintaining the power network stability and reliability. To address the challenge, one of the options is to detach the power generation from consumption via energy storage. The intention of this paper is to give an overview of the current technology developments in compressed air energy storage (CAES) and the future direction of the technology development in this area. Compared with other energy storage technologies, CAES is proven to be a clean and sustainable type of energy storage with the unique features of high capacity and long-duration of the storage. Its scale and cost are similar to pumped hydroelectric storage (PHS), thus CAES has attracted much attention in recent years while further development for PHS is restricted by the availability of suitable geological locations. The paper presents the state-of-the-art of current CAES technology development, analyses the major technological barriers/weaknesses and proposes suggestions for future technology development. This paper should provide a useful reference for CAES technology research and development strategy. View Full-Text
Keywords: compressed air energy storage (CAES); renewable energy; energy storage compressed air energy storage (CAES); renewable energy; energy storage

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Wang, J.; Lu, K.; Ma, L.; Wang, J.; Dooner, M.; Miao, S.; Li, J.; Wang, D. Overview of Compressed Air Energy Storage and Technology Development. Energies 2017, 10, 991.

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