Sustainable Concept and Economic Evaluation of a Solar-Powered Hydrogen Generation Unit

Laura Langenbucher1*, Lukasz Brodecki 2, Michael Wiesmeth2, Ines Klugius1, Heiner Hüppelshäuser1, Markus Blesl2, Ralf Wörner 1

1Institute of Sustainable Energy Engineering and Mobility, University of Applied Science Esslingen, Kanalstraße 33, Esslingen am Neckar, 73728, Germany

2Department of System-analytical methods and Heat Market, Institute of Energy Economics and Rational Energy Use, University of Stuttgart, Heßbrühlstraße 49a, Stuttgart, 70565, Germany

DOI: 10.5185/amlett.2020.061527

Publication Date (Web): Dec 07, 2019



This study focuses on an overall energy consumption prediction for the area of Stuttgart city in Germany and a specific analysis of a solar-fed power-to-gas plant in an industrial area close to Stuttgart. In order to achieve decarbonisation targets, a sustainable concept of hydrogen production and mobility based on renewable energy and a zero-emissions scenario was defined. First, an energy system analysis was conducted to assess the viability of hydrogen as fuel in the system context. Scenario results indicate the increased penetration rate of electric mobility with systematic repercussions on other traffic, power generation and consumption as well as the achievement of the local targets for the reduction of greenhouse gas emissions. As a result, this allows us to make an assessment regarding the relative advantages of hydrogen over alternative propulsion technologies. In a second step, the minimum purchase costs of hydrogen are determined, based on a total-cost-of-ownership calculation for an individual energy plant application. In a last chapter of this work, a study was conducted on a zero-emission bus fleet using the total costs of mobility method. The results of this study serve a pioneering role model in urban areas and shall be transferable to projects throughout Europe. © VBRI Press.


Hydrogen production, renewable energies, emission-free fleet of vehicles, energy systems.

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