Potential Sites for Underground Energy and CO 2 Storage in Greece: A Geological and Petrological Approach

Apostolos Arvanitis, Petros Koutsovitis, Nikolaos Koukouzas, Pavlos Tyrologou, Dimitris Karapanos, Christos Karkalis and Panagiotis Pomonis
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Apostolos Arvanitis: Hellenic Survey of Geology and Mineral Exploration (HSGME), 13677 Attica, Greece
Petros Koutsovitis: Section of Earth Materials, Department of Geology, University of Patras, GR-265 00 Patras, Greece
Nikolaos Koukouzas: Centre for Research and Technology, Hellas (CERTH), 15125 Marousi, Greece
Pavlos Tyrologou: Centre for Research and Technology, Hellas (CERTH), 15125 Marousi, Greece
Dimitris Karapanos: Centre for Research and Technology, Hellas (CERTH), 15125 Marousi, Greece
Christos Karkalis: Centre for Research and Technology, Hellas (CERTH), 15125 Marousi, Greece
Panagiotis Pomonis: Department of Mineralogy and Petrology, Faculty of Geology and Geoenvironment, National and Kapodistrian University of Athens, Zografou, P.C. 15784 Athens, Greece

Energies, 2020, vol. 13, issue 11, 1-23

Abstract: Underground geological energy and CO 2 storage contribute to mitigation of anthropogenic greenhouse-gas emissions and climate change effects. The present study aims to present specific underground energy and CO 2 storage sites in Greece. Thermal capacity calculations from twenty-two studied aquifers (4 × 10 −4 –25 × 10 −3 MJ) indicate that those of Mesohellenic Trough (Northwest Greece), Western Thessaloniki basin and Botsara flysch (Northwestern Greece) exhibit the best performance. Heat capacity was investigated in fourteen aquifers (throughout North and South Greece) and three abandoned mines of Central Greece. Results indicate that aquifers present higher average total heat energy values (up to ~6.05 × 10 6 MWh (th) ), whereas abandoned mines present significantly higher average area heat energy contents (up to ~5.44 × 10 6 MWh (th) ). Estimations indicate that the Sappes, Serres and Komotini aquifers could cover the space heating energy consumption of East Macedonia-Thrace region. Underground gas storage was investigated in eight aquifers, four gas fields and three evaporite sites. Results indicate that Prinos and South Kavala gas fields (North Greece) could cover the electricity needs of households in East Macedonia and Thrace regions. Hydrogen storage capacity of Corfu and Kefalonia islands is 53,200 MWh (e) . These values could cover the electricity needs of 6770 households in the Ionian islands. Petrographical and mineralogical studies of sandstone samples from the Mesohellenic Trough and Volos basalts (Central Greece) indicate that they could serve as potential sites for CO 2 storage.

Keywords: underground; energy storage; natural gas; carbon storage; hydrogen; thermal energy; CO 2 (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: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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