CAES Systems Integrated into a Gas-Steam Combined Plant: Design Point Performance Assessment

Coriolano Salvini
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Coriolano Salvini: Department of Engineering, ROMA TRE University, via della Vasca Navale 79, 00146 Rome, Italy

Energies, 2018, vol. 11, issue 2, 1-17

Abstract: In the present paper, the performance of an energy storage concept based on the integration of a compressed air energy storage (CAES) system into a gas–steam combined cycle (GSCC) plant is investigated. CAES systems featured by different design specifications have been coupled with a commercially available small size GSCC plant. Storage efficiencies up to 65% have been evaluated for CAES design power output ranging from 5 to 10 MW. A techno-economic analysis aimed at assessing plant performance and investment costs has been performed. Despite the relatively high investment costs and the storage efficiency being less than those featuring alternative storage approaches, the proposed system may be considered of interest due to the long-life duration and the established technologies available for the key plant components.

Keywords: compressed air energy storage (CAES); energy storage systems (EES); gas–steam combined cycle (GSCC) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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