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

Charlotte Jarosch, Philipp Jahnke, Johannes Giehl and Jana Himmel
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Charlotte Jarosch: Chair of Energy and Resource Management, Technische Universität Berlin, H 69, Straße des 17. Juni 135, 10623 Berlin, Germany
Philipp Jahnke: BBH Consulting AG, Magazinstr. 15–16, 10179 Berlin, Germany
Johannes Giehl: Chair of Energy and Resource Management, Technische Universität Berlin, H 69, Straße des 17. Juni 135, 10623 Berlin, Germany
Jana Himmel: Chair of Energy and Resource Management, Technische Universität Berlin, H 69, Straße des 17. Juni 135, 10623 Berlin, Germany

Energies, 2022, vol. 15, issue 4, 1-27

Abstract: 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 (H 2 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.

Keywords: green hydrogen (H 2 ); power-to-gas; hydrogen-production costs; renewable energies; operation mode; flexibility; energy transition (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 (4)

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