Comparison of Different Coupling Modes between the Power System and the Hydrogen System Based on a Power–Hydrogen Coordinated Planning Optimization Model

Siyu Zhang, Ning Zhang (), Hongcai Dai, Lin Liu, Zhuan Zhou, Qing Shi and Jing Lu
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Siyu Zhang: State Grid Energy Research Institute Co., Ltd., Beijing 102209, China
Ning Zhang: State Grid Energy Research Institute Co., Ltd., Beijing 102209, China
Hongcai Dai: State Grid Energy Research Institute Co., Ltd., Beijing 102209, China
Lin Liu: State Grid Energy Research Institute Co., Ltd., Beijing 102209, China
Zhuan Zhou: State Grid Xinjiang Electric Power Co., Ltd., Urumchi 830063, China
Qing Shi: State Grid Energy Research Institute Co., Ltd., Beijing 102209, China
Jing Lu: State Grid Energy Research Institute Co., Ltd., Beijing 102209, China

Energies, 2023, vol. 16, issue 14, 1-18

Abstract: Hydrogen is receiving unprecedented momentum and is projected to meet a sizable share of the final energy demand in the future. The coupling between the hydrogen and power systems can help integrate volatile renewable energy, reduce curtailment, and realize long-term energy storage. Different coupling modes are being proposed, yet quantitative comparisons are absent. To fill this gap, this paper firstly summarizes the system composition of potential power–hydrogen coupling modes and analyzes their advantages and disadvantages. Then, a model for power–hydrogen coordinated planning optimization is proposed for quantitative analysis. Southern Xinjiang is chosen as a representative of the northwestern area in China, which has plentiful renewable resources and a relatively small local load at present, for a case study. Through result analysis, it is found that the mode of power–hydrogen coupling at the source side, either for in situ utilization or for long-distance transport via pipelines, shows better economic competitiveness. The discussion provides suggestions and a reference to policymakers for formulating infrastructure or industry plans in advance to better accommodate the rapidly developing renewable energy.

Keywords: sector coupling; hydrogen; power system; renewable energy; electrolyser; storage (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: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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