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Article

Modelling Decentralized Hydrogen Systems: Lessons Learned and Challenges from German Regions

1
Chair of Energy and Resource Management, Technische Universität Berlin, H 69, Straße des 17. Juni 135, 10623 Berlin, Germany
2
BBH Consulting AG, Magazinstr. 15–16, 10179 Berlin, Germany
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Authors to whom correspondence should be addressed.
Academic Editor: Giovanni Cinti
Energies 2022, 15(4), 1322; https://doi.org/10.3390/en15041322
Received: 27 December 2021 / Revised: 31 January 2022 / Accepted: 5 February 2022 / Published: 11 February 2022
Green hydrogen produced by power-to-gas will play a major role in the defossilization of the energy system as it offers both carbon-neutral chemical energy and the chance to provide flexibility. This paper provides an extensive analysis of hydrogen production in decentralized energy systems, as well as possible operation modes (H2 generation or system flexibility). Modelling was realized for municipalities—the lowest administrative unit in Germany, thus providing high spatial resolution—in the linear optimization framework OEMOF. The results allowed for a detailed regional analysis of the specific operating modes and were analyzed using full-load hours, share of used negative residual load, installed capacity and levelized cost of hydrogen to derive the operation mode of power-to-gas to produce hydrogen. The results show that power-to-gas is mainly characterized by constant hydrogen production and rarely provides flexibility to the system. Main drivers of this dominant operation mode include future demand for hydrogen and the fact that high full-load hours reduce hydrogen-production costs. However, changes in the regulatory, market and technical framework could promote more flexibility and support possible use cases for the central technology to succeed in the energy transition. View Full-Text
Keywords: green hydrogen (H2); power-to-gas; hydrogen-production costs; renewable energies; operation mode; flexibility; energy transition green hydrogen (H2); power-to-gas; hydrogen-production costs; renewable energies; operation mode; flexibility; energy transition
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MDPI and ACS Style

Jarosch, C.; Jahnke, P.; Giehl, J.; Himmel, J. Modelling Decentralized Hydrogen Systems: Lessons Learned and Challenges from German Regions. Energies 2022, 15, 1322. https://doi.org/10.3390/en15041322

AMA Style

Jarosch C, Jahnke P, Giehl J, Himmel J. Modelling Decentralized Hydrogen Systems: Lessons Learned and Challenges from German Regions. Energies. 2022; 15(4):1322. https://doi.org/10.3390/en15041322

Chicago/Turabian Style

Jarosch, Charlotte, Philipp Jahnke, Johannes Giehl, and Jana Himmel. 2022. "Modelling Decentralized Hydrogen Systems: Lessons Learned and Challenges from German Regions" Energies 15, no. 4: 1322. https://doi.org/10.3390/en15041322

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