Characterisation and use of energy flexibility in water pumping and storage systems

Rui Amaral Lopes, Rune Grønborg Junker, João Martins, João Murta-Pina, Glenn Reynders and Henrik Madsen

Applied Energy, 2020, vol. 277, issue C, No S0306261920310989

Abstract: Renewable energy integration in power systems and increasing electrification of energy demand create new challenges to which energy flexibility can provide effective solutions. Trough an innovative use of cumulative energy consumption curves, which represent the maximum and minimum energy limits, as well as the associated flexible energy consumption, this paper presents a methodology to characterise and use the energy flexibility provided by water pumping and storage systems (WPSS) in order to achieve specific objectives at different levels of power systems. The methodology is applied to a case study considering a real WPSS where energy flexibility is used to reduce electricity costs and support the operation of the power system during a wind generation curtailment event. Collected results show that savings around 16% can be achieved while reducing pumping cycles by 57%. Furthermore, the WPSS operation can be modified according to the needs of the power system using the available energy flexibility.

Keywords: Energy flexibility; Water distribution; Demand response; Renewable energy (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (9)

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DOI: 10.1016/j.apenergy.2020.115587

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