Fraunhofer-Institut für System- und Innovationsforschung ISI

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  • Publication
    European Hydrogen Infrastructure Planning
    ( 2024)
    Alibas, Sirin orcid-logo
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    Ausfelder, Florian
    ;
    Ditz, Daniel
    ;
    Ebner, Michael
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    Engwerth, Veronika
    ;
    Fleiter, Tobias
    ;
    Fragoso García, Joshua
    ;
    Genge, Lucien
    ;
    Greitzer, Maria
    ;
    Haas, Sofia
    ;
    Haendel, Michael
    ;
    Hank, Christoph
    ;
    Hauser, Philipp
    ;
    Heneka, Maximilian
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    Heineken, Wolfram
    ;
    Hildebrand, Jan
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    Isik, Volkan
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    Köppel, Wolfgang
    ;
    Harper, Ryan
    ;
    Jahn, Matthias
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    Klaassen, Bernhard
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    Kneiske, Tanja Manuela
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    Malzkuhn, Sabine
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    Kuzyaka, Berkan
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    Mielich, Tim
    ;
    Lux, Benjamin orcid-logo
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    Maghnam, Ammar
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    Müsgens, Felix
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    Mendler, Friedrich
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    Pleier, Amanda
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    Müller-Kirchenbauer, Joachim
    ;
    Isbert, Anne-Marie
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    Ruprecht, David
    ;
    Sadat-Razavi, Pantea
    ;
    Neuner, Felix
    ;
    Pfluger, Benjamin
    ;
    Mohr, Stephan
    ;
    Ragwitz, Mario
    ;
    Scheffler, Marcel
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    Solomon, Mithran Daniel
    ;
    Voglstätter, Christopher
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    Weißenburger, Bastian orcid-logo
    ;
    Ausfelder, Florian
    ;
    Ragwitz, Mario
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    Förster, My Yen
    ;
    Nolden, Christoph orcid-logo
    The white paper was developed by a selected authorship of the TransHyDE Project System Analysis. The contents of the TransHyDE publications are produced in the project independently of the Federal Ministry of Education and Research.
  • Publication
    The race between hydrogen and heat pumps for space and water heating: A model-based scenario analysis
    ( 2024)
    Billerbeck, Anna orcid-logo
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    Kiefer, Christoph P. orcid-logo
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    Winkler, Jenny
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    Bernath, Christiane orcid-logo
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    Sensfuß, Frank
    ;
    Kranzl, Lukas
    ;
    Müller, Andreas
    ;
    Ragwitz, Mario
    This paper analyses different levels and means of the electrification of space and hot water heating using an explorative modelling approach. The analysis provides guidance to the ongoing discussion on favourable pathways for heating buildings and the role of secondary energy carriers such as hydrogen or synthetic fuels. In total, 12 different scenarios were modelled with decarbonisation pathways until 2050, which cover all 27 member states of the European Union. Two highly detailed optimisation models were combined to cover the building stock and the upstream energy supply sector. The analysis shows that decarbonisation pathways for space and water heating based on large shares of heat pumps have at least 11% lower system costs in 2050 than pathways with large shares of hydrogen or synthetic fuels. This translates into system cost savings of around €70 bn. Heat pumps are cost-efficient in decentralised systems and in centralised district heating systems. Hence, heat pumps should be the favoured option to achieve a cost-optimal solution for heating buildings. Accordingly, the paper makes a novel and significant contribution to understanding suitable and cost-efficient decarbonisation pathways for space and hot water heating via electrification. The results of the paper can provide robust guidance for policymakers.
  • Publication
    Export Potentials of Green Hydrogen - Methodology for a Techno-Economic Assessment
    (Fraunhofer ISI, 2023)
    Pieton, Natalia orcid-logo
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    Abdel-Khalek, Hazem
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    Graf, Marieke Emilie Anna orcid-logo
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    Drechsler, Björn
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    Lenivova, Veronika orcid-logo
    ;
    Nolden, Christoph orcid-logo
    ;
    Bergup, Emily Felicitas
    ;
    Sinha, Mohammad
    ;
    Fragoso García, Joshua
    ;
    Franke, Katja
    ;
    Kleinschmitt, Christoph
    ;
    Müller, Viktor Paul orcid-logo
    ;
    Wietschel, Martin
    ;
    Holst, Marius
    ;
    Weise, Friedrich
    ;
    Voglstätter, Christopher
    This working paper describes the quantitative and model-based methodology used in HYPAT to assess hydrogen and Power-to-X (PtX) export potentials in the countries Morocco, Ukraine, Namibia, Turkey, United Arab Emirates, Kenya, Chile, Canada, Brazil, and New Zealand. The results of the techno-economic assessment are further used as a basis for a global hydrogen and PtX atlas, and as an indication of the price development of hydrogen and PtX.
  • Publication
    Ukrainian Hydrogen Export Potential: Opportunities and Challenges in the Light of the Ongoing War
    (Fraunhofer ISI, 2023)
    Sukurova, Natalia
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    Wietschel, Martin
    ;
    Fragoso García, Joshua
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    Müller, Viktor Paul orcid-logo
    ;
    Franke, Katja
    ;
    Kantel, Anne
    ;
    Graf, Marieke Emilie Anna orcid-logo
    ;
    Jalbout, Eddy
    ;
    Pieton, Natalia orcid-logo
    ;
    Abdel-Khalek, Hazem
    ;
    Bergup, Emily
    ;
    Weise, Friedrich
    The purpose of the working paper is to study the hydrogen export potential of Ukraine, including the opportunities and challenges in light of the ongoing war, based on the analyses of national and international sources as well as the modeling and calculations conducted within the HYPAT project. The carried-out analysis of the current trends and developments of the hydrogen economy in Ukraine shows that de-spite the ongoing war, the EU remains interested in Ukraine as a potential future hy-drogen supplier. Techno-economic assessment reveals the following: green steel could become an important export product in the future, generating additional reve-nues in the country; Ukraine has a well-established infrastructure for exporting hydro-gen and Power-to-X products to Western Europe via pipelines and seaports, but the repurposing of this infrastructure needs to be further investigated; important energy infrastructures and land for potential renewable energy deployment are currently oc-cupied by the Russian military. It is determined that the war's uncertain duration in-creases the risks of investing in developing the large RE potential in Ukraine so, low-cost RE might only be sufficient to cover domestic demand. The following opportuni-ties and obstacles are highlighted: the development of a hydrogen economy can bring socio-political advantages, but the large-scale hydrogen production in Ukraine might be limited due to water scarcity and competitive water use for the agricultural sector and could imply higher energy costs for households.
  • Publication
    Importing hydrogen and hydrogen derivatives: from costs to prices
    (Fraunhofer ISI, 2021)
    Wietschel, Martin
    ;
    Eckstein, Johannes
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    Riemer, Matia
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    Zheng, Lin orcid-logo
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    Lux, Benjamin orcid-logo
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    Neuner, Felix
    ;
    Breitschopf, Barbara orcid-logo
    ;
    Fragoso García, Joshua
    ;
    Kleinschmitt, Christoph
    ;
    Pieton, Natalia orcid-logo
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    Nolden, Christoph orcid-logo
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    Pfluger, Benjamin
    ;
    Thiel, Zarah
    ;
    Löschel, Andreas
    Current knowledge indicates that Germany will have to rely on importing hydrogen and hydrogen derivatives to achieve its ambitious targets. Against this background, for the first time, an ap-proach was presented for how to envisage a future emerging market and how to move from pro-duction costs to prices. For this purpose, the development of a partial equilibrium model is out-lined with price-elastic supply and demand functions and the inclusion of transport costs. In this model, country risks and the influence of regulation are also taken into account.