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How to measure flexibility

  • Flexible power provision from biogas can significantly contribute to energy systems with high shares of renewables. However, the characteristics and demands for this flexibility are not clearly defined or measured. In this paper eight indicators are defined to shape “flexibility” and perform a downstream investigation of eight research projects focusing on flexible energy provision of biogas plants. The indicators are structured in three dimensions (1) velocity (ramps) by which the system can be modulated, (2) power range (bandwidth) and (3) duration for specific load conditions. Based on these indicators bottlenecks for the flexibility potential were identified. One crucial result shows that short-term flexibility of biogas plants is mainly driven by properties of the combined heat and power unit (velocity and bandwidth). The long-term flexibility depends mainly on gas storage, mode of operation and ability for modulation of the target gas production.

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Author:Martin Dotzauer, Diana Pfeiffer, Markus Lauer, Marcel Pohl, Eric Mauky, Katharina Bär, Matthias Sonnleitner, Wilfried Zörner, Jessica Hudde, Björn Schwarz, Burkhardt Faßauer, Markus Dahmen, Christian Rieke, Johannes Herbert, Daniela Thrän
Subtitle (English):Performance indicators for demand driven power generation from biogas plants
Language:English
Document Type:Article
Year of first Publication:2019
published in (English):Renewable Energy
Publisher:Elsevier
Place of publication:Amsterdam
ISSN:0960-1481
Volume:134 (2019)
First Page:135
Last Page:146
Tag:Anaerobic digestion; Biogas plants; Demand-orientated power generation; Flexibility indicators; Flexible bioenergy generation; Gas production modulation
URN:urn:nbn:de:bvb:573-9538
Related Identifier:https://doi.org/10.1016/j.renene.2018.10.021
Faculties / Institutes / Organizations:Institut für neue Energie-Systeme (InES)
Licence (German):License Logo Creative Commons BY-NC-ND 4.0
Release Date:2021/10/19