How to measure flexibility – Performance indicators for demand driven power generation from biogas plants

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 and Daniela Thrän

Renewable Energy, 2019, vol. 134, issue C, 135-146

Abstract: 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.

Keywords: Demand-orientated power generation; Flexible bioenergy generation; Biogas plants; Flexibility indicators; Gas production modulation; Anaerobic digestion (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:134:y:2019:i:c:p:135-146

DOI: 10.1016/j.renene.2018.10.021

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