New conceptual design and modeling of an energy storage and recovery unit

Abstract : The intermittent nature of renewable energy sources is a key challenge to their integration into the electricity grid. The aim of this paper is to introduce an advanced concept of Powerto-Gas (PtG) plant, which is designed to bring a closed-loop solution able to absorb electricity surplus and to restore it later, via the transient storage of energy carriers. After a brief conceptual overview of the studied unit and its individual components, the paper proposes a steady state model that is used to assess process flowsheets as well as operating conditions of the industrial scale unit. The results indicate that during the storage phase, a 200 MW power supply to the electrolysis process leads to a corresponding 155 MW of SNG produced in a methanation process with an efficiency of 83%. The stored SNG can be burned in pure oxygen during the recovery phase to produce up to 480 MW electric power as well as CO2 rich product gas.
Type de document :
Communication dans un congrès
International Renewable and Sustainable Energy Conference (IRSEC'16), Nov 2016, Marrakesh, Morocco. 〈http://med-space.org/irsec16/〉
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01464320
Contributeur : Joelle Andrianarijaona <>
Soumis le : vendredi 10 février 2017 - 11:02:37
Dernière modification le : vendredi 27 octobre 2017 - 16:54:12

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  • HAL Id : hal-01464320, version 1

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Nouaamane Kezibri, Chakib Bouallou. New conceptual design and modeling of an energy storage and recovery unit . International Renewable and Sustainable Energy Conference (IRSEC'16), Nov 2016, Marrakesh, Morocco. 〈http://med-space.org/irsec16/〉. 〈hal-01464320〉

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