Assessing the overall efficiency of biogas plants by means of data envelopment analysis (DEA)
2009
Djatkov, Dj., Faculty of Technical Sciences, Novi Sad (Serbia) | Effenberger, M. | Lehner, A. | Gronauer, A., Bavarian State Research Center for Agriculture, Freising (Germany). Institute of Agricultural Engineering and Animal Husbandry
Considering the large number of biogas plants in Germany, the need exists for comparing the plants and identifying those who are operating efficiently. Since the operation of a biogas plant is complex and influenced by many parameters, multi-criteria analysis should be applied. For this purpose, the method of Data Envelopment Analysis (DEA) was used. Evaluation in DEA of 10 biogas plants in Bavaria provided results which were mostly in accordance with analysts expertise. Due to the complexity of the biogas production process, a single measure of overall efficiency can hardly be determined.
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