Thuenen Rings of Biogas Production –
the Effect of Differences in Transport Costs of Energy Crops in the Choice of Renewable Resources by Biogas Plants

Matthias Schulze Steinmann, Karin Holm-Müller

Published: 01.03.2010  〉 Jahrgang 59 (2010), Heft 1, 1-12  〉 Resort: Articles 
Submitted: N. A.   〉 Feedback to authors after first review: N. A.   〉 Accepted: N. A.

ABSTRACT

Abstract
This paper discusses how differences in transport costs of energy crops affect the choice of feedstock used in biogas production. This is done by optimizing feedstock demand subject to transportation distances of the different crops. For this a von Thuenen type model is applied to the feedstock demand of biogas plants. In addition to yields in terms of quantity and energy concerning the different crops and the costs of having them available, the profitability of the fermentation plant must be considered. It is shown that silage maize is the most profitable crop for medium distances, but gives way to winter wheat as distances increase. Our analysis suggests that even bigger plants than today can be sustained exclusively with silage maize.

Key words
Thuenen Rings; transportation logistics; energy crops; biogas production
CONTACT AUTHOR
Kontaktautorin:
PROF. DR. KARIN HOLM-MÜLLER
Ressourcen- und Umweltökonomik
Institut für Lebensmittel- und Ressourcenökonomik (ILR)
Rheinische Friedrich-Wilhelms-Universität
Nussallee 21, 53115 Bonn
E-Mail: umwelt@uni-bonn.de
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