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Advances in Underground Energy Storage for Renewable Energy Sources, Volume...
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Advances in Underground Energy Storage for Renewable Energy Sources, Volume II

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 5252
Related Special Issue: Advances in Underground Energy Storage for Renewable Energy Sources

Special Issue Editors

Prof. Dr. Jorge Loredo

E-Mail Website
Guest Editor
School of Mining, Energy and Materials Engineering, University of Oviedo, Independencia 13, 33004 Oviedo, Spain
Interests: energy storage; underground energy storage; geothermal; mine water; closed mines; hydrogeology
Special Issues, Collections and Topics in MDPI journals
Dr. Javier Menéndez

E-Mail Website
Guest Editor
Hunaser Energy, Avda. Galicia, 44, 33005 Oviedo, Spain
Interests: compressed air energy storage; biomass and biofuels; pumped-storage hydropower; solar photovoltaic and geothermal uses with mine water
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In the transient energy context, the increasing penetration of variable renewable energies, such as wind or solar photovoltaic in the electricity mix, requires flexible energy storage systems to balance supply and demand. Large amounts of electricity could be stored using underground space with low environmental impacts. For this purpose, underground pumped-storage hydropower (UPSH), compressed air energy storage (CAES), hydrogen energy storage (HES), underground thermal energy storage (UTES), or gravity energy storage (GES) systems could be developed in disused or new underground structures. This Special Issue will address research on the machinery design, geomechanical analysis of the underground infrastructure, the thermodynamic performance, the geology and hydrogeology, the public acceptance, the environmental impact, the operation modes, the electrical market, the legal regulation, the round trip energy efficiency and the economic feasibility of underground energy storage plants. We would also like to invite authors to address the global potential for expanding underground energy storage systems around the world and to develop specific case studies.

Prof. Dr. Jorge Loredo
Dr. Javier Menéndez
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • energy storage
  • underground pumped storage hydropower
  • compressed air energy storage
  • gravity energy storage
  • hydrogen energy storage
  • underground thermal energy storage

Published Papers (2 papers)

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Research

16 pages, 3786 KiB  
Article
Modelling Interactions between Three Aquifer Thermal Energy Storage (ATES) Systems in Brussels (Belgium)
by Caroline De Paoli, Thierry Duren, Estelle Petitclerc, Mathieu Agniel and Alain Dassargues
Appl. Sci. 2023, 13(5), 2934; https://0-doi-org.brum.beds.ac.uk/10.3390/app13052934 - 24 Feb 2023
Viewed by 1375
Abstract
Shallow open-loop geothermal systems function by creating heat and cold reserves in an aquifer, via doublets of pumping and reinjection wells. Three adjacent buildings in the center of Brussels have adopted this type of aquifer thermal energy storage (ATES) system. Two of them [...] Read more.
Shallow open-loop geothermal systems function by creating heat and cold reserves in an aquifer, via doublets of pumping and reinjection wells. Three adjacent buildings in the center of Brussels have adopted this type of aquifer thermal energy storage (ATES) system. Two of them exploit the same aquifer consisting of Cenozoic sands, and started operation in 2014 and 2017, respectively. A previous hydrogeological model developed by Bulté et al. (2021) has shown how the thermal imbalance of one of the systems jeopardizes the thermal state of this upper aquifer. Here, the interactions with a more recent third ATES system located in the deep aquifer of the Palaeozoic bedrock are studied and modelled. After being calibrated on groundwater flow conditions in both aquifers, a 3D hydrogeological model was used to simulate the cumulative effect of the three geothermal installations in the two exploited aquifers. The results of the simulations showed that although the hydraulic interactions between the two aquifers are very weak (as shown by the different observed potentiometric heads), heat exchanges occur between the two aquifers through the aquitard. Fortunately, these heat exchanges are not sufficient to have a significant impact on the efficiency of the individual geothermal systems. Additionally, this study shows clearly that adding a third system in the lower aquifer with a mean power of 286 kW for heating between October and March and an equivalent mean cooling power between April and September is efficient. Full article
(This article belongs to the Special Issue Advances in Underground Energy Storage for Renewable Energy Sources, Volume II)
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15 pages, 2601 KiB  
Article
Green Hydrogen Storage in an Underground Cavern: A Case Study in Salt Diapir of Spain
by Laura M. Valle-Falcones, Carlos Grima-Olmedo, Luis F. Mazadiego-Martínez, Antonio Hurtado-Bezos, Sonsoles Eguilior-Díaz and Ramón Rodríguez-Pons
Appl. Sci. 2022, 12(12), 6081; https://0-doi-org.brum.beds.ac.uk/10.3390/app12126081 - 15 Jun 2022
Cited by 13 | Viewed by 3072
Abstract
The Poza de la Sal diapir is a closed circular depression with Cretaceous Mesozoic materials, formed by gypsum, Keuper clays, and a large extension of salt in the center with intercalations of ophite. The low seismic activity of the area, the reduced permeability [...] Read more.
The Poza de la Sal diapir is a closed circular depression with Cretaceous Mesozoic materials, formed by gypsum, Keuper clays, and a large extension of salt in the center with intercalations of ophite. The low seismic activity of the area, the reduced permeability and porosity of the salt caverns, and the proximity to the Páramo de Poza wind park, make it a suitable place for the construction of a facility for underground storage of green hydrogen obtained from surplus wind power. The design of a cavern for hydrogen storage at a depth of 1000 m takes into account the differences in stresses, temperatures, and confining pressures involved in the salt deformation process. During the 8 months of the injection phase, 23.0 GWh can be stored in the form of hydrogen obtained from the wind energy surplus, to be used later in the extraction phase. The injection and extraction ratio must be developed under the conditions of geomechanical safety of the cavity, so as to minimize the risks to the environment and people, by conditioning the gas pressure inside the cavity to remain within a given range. Full article
(This article belongs to the Special Issue Advances in Underground Energy Storage for Renewable Energy Sources, Volume II)
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