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Energiewirtschaftliche und ökologische Bewertung eines Windgas-Angebotes

  • In this technical report, (1) the benefits of the new technology for future energy supply are discussed, (2) the climate protection effect of wind gas is discussed, and (3) a reasonable use of wind energy for gas generation is analyzed. In particular, windgas in the heat market is discussed in the utilization cascade of wind energy. The new "power-to-gas" concept opens up completely new possibilities for the integration of renewable energies and for coupling the electricity and gas grids. The Sabatier process, which has been known for 100 years, was first developed for this purpose in 2008 under the leadership of the Center for Solar Energy and Hydrogen Research and Fraunhofer IWES (formerly ISET) with electrolysis to create the "power-to-gas" concept for energy storage. A first pilot plant was built by ZSW Stuttgart on behalf of SolarFuel in 2009. This plant proves the technical feasibility of the new technology. Renewable gas is stored, transported and used as required as control and reserve energy via reconversion, e.g. in combined cycle power plants. In this way, decentrally generated renewable electricity is converted into a CO2 -neutral energy carrier with high energy density. The key advantage of renewable methane is the use of existing infrastructure such as gas grids, gas storage and end-use equipment for the integration of renewable energy. Technologies for natural gas are state of the art and commercially available. Methane also has three times the energy density of hydrogen.

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Metadaten
Author: Michael Sterner, Mareike Jentsch, Uwe Holzhammer
DOI:https://doi.org/10.13140/RG.2.2.25093.68328
Title Additional (German):Energy-economic and ecological evaluation of a windgas offer (Power-to-Gas)
Publisher:Fraunhofer Institute for Energy Economics and Energy System Technology
Place of publication:Kassel
Document Type:Report
Language:English
Year of first Publication:2011
Release Date:2022/11/24
Institutes:Fakultät Elektro- und Informationstechnik
Publication:Externe Publikationen
research focus:Energie und Mobilität
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG