The article discusses the importance of integrated energy systems (IES) and the role of shared energy storage systems in optimizing the consumption of renewable energy. The focus is on developing a shared hybrid hydrogen energy storage system (SHHESS) to improve economic benefits for IESs. The study emphasizes the advantages of hydrogen energy storage in complementing other storage systems and proposes a hybrid structure combining hydrogen and battery storage. Dynamic pricing strategies and bi-level optimization frameworks are explored to enhance the performance and efficiency of shared energy storage systems. The model of shared ownership and operational rights of energy storage resources is highlighted, with an independent investor approach considered as a practical and feasible option. Various research studies on capacity configuration and operation optimization of shared energy storage systems are referenced, showcasing the benefits of hybrid energy storage and the economic advantages of the shared energy storage business model. Overall, the article presents a positive outlook on the advancement and optimization of shared energy storage systems through hybridization.