Biogas Plant Modelling for Flexibility Provision in the Power System of Bornholm Island

Jan Martin Wilhelm Zepter, Tatiana Gabderakhmanova, Karl Maribo Andreasen, Knud Boesgaard, Mattia Marinelli

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    Biogas power plants play a vital role in the structure of integrated energy systems to further decarbonize the energy sector. On the one hand, they can facilitate the broad integration of variable renewable energy sources; on the other, they directly interlink different energy domains and provide multi-energy services. This paper provides an overview on the possibilities and potentials of biogas power plants in providing flexibility towards islanded power systems. To this end, we present a model that includes the most relevant dynamics from an electrical engineering perspective. For a given infeed of raw material, it is able to characterize the anaerobic digestion processes and quantify the energy output in order to evaluate the plant’s flexibility potential. The model is validated against real data from a 3-MW biogas power plant on the island of Bornholm, Denmark. The results show that actual on-site measurements in terms of biogas production as well as electrical and thermal output may be matched by the presented model. Furthermore, the paper gives a detailed overview on the estimated biomass potential of the island of Bornholm, as well as the flexibility assessment of the entailed biogas operations.
    Original languageEnglish
    Title of host publicationProceedings of the 55th International Universities Power Engineering Conference 2020
    Number of pages6
    Publication date2020
    ISBN (Print)978-1-7281-1078-3
    Publication statusPublished - 2020
    Event55th International Universities Power Engineering Conference - Virtual event, Torino, Italy
    Duration: 1 Sept 20204 Sept 2020
    Conference number: 55


    Conference55th International Universities Power Engineering Conference
    LocationVirtual event
    Internet address


    • Biogas
    • CHP
    • Flexibility
    • Multi-energy systems


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