Coordinated planning of integrated energy system with hydrogen hub

Tao Wu, Jianhui Wang and Tianqiao Zhao

Applied Energy, 2025, vol. 394, issue C, No S0306261925008190

Abstract: Hydrogen is gaining traction as a sustainable energy carrier, coupling various energy systems. High-temperature electrolysis (HTE) operating with concentrated solar power plants (CSPPs) enables highly efficient power to hydrogen. The advent of hydrogen hubs further provides a promising path toward power-gas‑hydrogen integrated energy systems (PGH-IESs) that are able to accommodate ultra-high penetration of renewable energy and enhance energy efficiency. This paper proposes a stochastic programming-based coordinated planning model for PGH-IESs. First, a CSPP-based HTE model is proposed to improve the efficiency of power to hydrogen. A detailed operation model considering different types of electrolyzers is developed. Then, a hydrogen hub model, including hydrogen production, storage, transmission, and consumption, is proposed to enable multiple energy flows between power, gas, and hydrogen systems. Finally, a coordinated planning model for PGH-IESs is proposed to optimize the location, size, and type of different components in power and hydrogen systems. Two-stage stochastic programming methods are adopted to cope with demand and renewable uncertainties using representative scenarios. Linearized cluster unit commitment is integrated to handle renewable intermittency. Numerical simulations on two PGH-IESs with different scales are conducted to verify the proposed planning model.

Keywords: Hydrogen; High-temperature electrolysis; Hydrogen hub; Integrated energy system; Renewable energy (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.apenergy.2025.126089

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