Power-to-gas technologies

Attila Bai, Ardit Sertolli and Péter Balogh

Chapter 96 in Elgar Encyclopedia of Energy Economics, 2025, pp 377-384 from Edward Elgar Publishing

Abstract: Power-to-gas (PtG) technologies could be a promising option for the long-term, large-scale storage of the end products of periodically available renewable power generation processes (mainly solar and wind), which are not limited by natural conditions. These features could be a valuable addition to the current battery or pumped storage, which are currently dominant. In the PtG process, storage could take the form of hydrogen or methane. This entry presents the advantages and disadvantages of both processes and the economic evaluation of the power-to-methane (PtM) process, which the authors believe may have the potential to be more promising. Overall, it can be concluded that the PtM process is not yet competitive with competing technologies (fossil natural gas, upgraded biogas, cogeneration). However, PtG is not primarily a process for energy production; rather, it is primarily for energy storage. Therefore, the higher cost is essentially the cost of storing electricity.

Keywords: Energy Storage; Variable Energy Sources; VER; Economy; Competitiveness; Potential (search for similar items in EconPapers)
Date: 2025
ISBN: 9781035310364
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