Merging Climate Action with Energy Security through CCS—A Multi-Disciplinary Framework for Assessment

Paweł Gładysz, Magdalena Strojny, Łukasz Bartela, Maciej Hacaga and Thomas Froehlich
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Paweł Gładysz: Faculty of Energy and Fuels, AGH University of Science and Technology, 30-059 Kraków, Poland
Magdalena Strojny: Faculty of Energy and Fuels, AGH University of Science and Technology, 30-059 Kraków, Poland
Łukasz Bartela: Department of Power Engineering and Turbomachinery, Silesian University of Technology, 44-100 Gliwice, Poland
Maciej Hacaga: EY Poland, Rondo ONZ 1, 00-124 Warsaw, Poland
Thomas Froehlich: Department of War Studies, King’s College London, Strand, London WC2R 2LS, UK

Energies, 2022, vol. 16, issue 1, 1-28

Abstract: Combining biomass-fired power generation with CO 2 capture and storage leads to so-called negative CO 2 emissions. Negative CO 2 emissions can already be obtained when coal is co-fired with biomass in a power plant with CCS technology. The need for bioenergy with CO 2 capture and storage has been identified as one of the key technologies to keep global warming below 2 °C, as this is one of the large-scale technologies that can remove CO 2 from the atmosphere. According to the definition of bioenergy with CO 2 capture and storage, capturing and storing the CO 2 originating from biomass, along with the biomass binding with carbon from the atmosphere as it grows, will result in net removal of CO 2 from the atmosphere. Another technology option for CO 2 removal from the atmosphere is direct air capture. The idea of a net carbon balance for different systems (including bioenergy with CO 2 capture and storage, and direct air capture) has been presented in the literature. This paper gives a background on carbon dioxide removal solutions—with a focus on ecology, economy, and policy-relevant distinctions in technology. As presented in this paper, the bioenergy with CO 2 capture and storage is superior to direct air capture for countries like Poland in terms of ecological impact. This is mainly due to the electricity generation mix structure (highly dependent on fossil fuels), which shifts the CO 2 emissions to upstream processes, and relatively the low environmental burden for biomass acquisition. Nevertheless, the depletion of non-renewable natural resources for newly built bioenergy power plant with CO 2 capture and storage, and direct air capture with surplus wind energy, has a similar impact below 0.5 GJ 3x /t of negative CO 2 emissions. When the economic factors are a concern, the use of bioenergy with CO 2 capture and storage provides an economic justification at current CO 2 emission allowance prices of around 90 EUR/t CO 2 . Conversely, for direct air capture to be viable, the cost would need to be from 3 to 4.5 times higher.

Keywords: carbon dioxide removal; thermo-ecological cost; carbon dioxide capture and storage; direct air capture; bioenergy with carbon capture and storage; readiness index (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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