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Ökonomische Bewertung des Erneuerbare Energien Gesetzes zur Förderung von Biogas

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Author Info

  • Ruth Delzeit
  • Karin Holm-Müller
  • Wolfgang Britz

Abstract

The Renewable-Energy-Source-Act (EEG) promotes German biogas production in order to substitute fossil fuels, protect the environment and prevent climate change. In this paper we quantitatively analyse the EEG-reform in 2008. Results imply that the reform contributes to an expansion of biogas electricity generation and thus to substitution of fossil fuels. However, subsidies, land and transport emissions per unit of electricity produced increase. An alternative analysis shows that an EEG with tariffs independent from plant-types would provide the highest subsidy-efficiency, lower land requirements and higher transport emissions compared to EEG before its reformation. Zusammenfassung: Biogasproduktion wird in Deutschland mit dem Ziel des Klima- und Umweltschutzes sowie der Substitution fossiler Energieträger durch das Erneuerbare-Energien-Gesetz (EEG) gefördert. Dieser Beitrag analysiert quantitativ durch Kopplung eines Agrarsektor- und eines Standortmodells die Novellierung des EEGs in 2008. Die Ergebnisse zeigen, dass die Novellierung durch einen verstärkten Ausbau der Energieerzeugung durch Biogas zur weiteren Substitution fossiler Energieträger beiträgt, allerdings auch zu höheren Kosten pro erzeugter Einheit Strom. Die Flächeneffizienz sinkt, während Transportemissionen ansteigen. Eine alternativ untersuchte Ausgestaltung einer anlageunabhängigen Vergütung im EEG zeigt die höchste Subventionseffizienz, bei allerdings niedrigerer Flächeneffizienz und höheren Transportemissionen im Vergleich zum EEG vor der Novellierung

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Bibliographic Info

Paper provided by Kiel Institute for the World Economy in its series Kiel Working Papers with number 1682.

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Length: 19 pages
Date of creation: Feb 2011
Date of revision:
Handle: RePEc:kie:kieliw:1682

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Related research

Keywords: Biogas; land use; renewable energy policy; coupled models; EEG;

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  1. Martin Banse & Hans van Meijl & Andrzej Tabeau & Geert Woltjer, 2008. "Will EU biofuel policies affect global agricultural markets?," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 35(2), pages 117-141, June.
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Cited by:
  1. Ruth Delzeit , Wolfgang Britz, 2012. "An Economic Assessment of Biogas Production and Land Use under the German Renewable Energy Source Act," Kiel Working Papers 1767, Kiel Institute for the World Economy.

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