Underground Energy Storage for Renewable Energy Sources
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".
Deadline for manuscript submissions: 31 August 2026 | Viewed by 65
Special Issue Editors
Interests: large-scale underground energy storage; underground bio-methanation; CCUS; THMCB-coupled modelling
Interests: rock mechanics; CCUS; underground storage of energy; unconventional gas; hydraulic fracturing; THMC-coupled simulation; subsurface energy systems; deep geothermal systems; petroleum engineering
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Special Issue Information
Dear Colleagues,
The rapid development of renewable energy is reshaping global energy systems, while amplifying the challenge of balancing fluctuating supply and demand across different timescales. Underground energy storage (UES) offers a diverse set of solutions by utilizing geological formations to store energy in various forms, including gases, heat, and mechanical energy. Compared with surface-based storage, UES provides large capacity, long-term stability, and opportunities for integration across multiple energy carriers.
Technologies such as hydrogen storage, natural gas storage, thermal storage, compressed air storage, and pumped hydroelectric storage can be applied individually or in combination, offering flexible pathways to support renewable integration, enhance system reliability, and reduce greenhouse gas emissions. Coupling UES with CO2 geological utilization and sequestration delivers additional environmental benefits, making it a promising approach for achieving deep decarbonization in energy systems.
This Special Issue welcomes original research, comprehensive reviews, and case-based studies that address fundamental processes, advanced modeling and experimental methods, and practical applications in underground energy storage for renewable energy systems.
Dr. Lin Wu
Prof. Dr. Michael Zhengmeng Hou
Guest Editors
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Keywords
- underground hydrogen storage
- underground natural gas storage
- underground thermal storage
- underground compressed air energy storage
- underground pumped hydroelectric energy storage
- CO2 geological utilization and sequestration
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