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Exploring the Energy Flexibility of Electric Water Heaters

Author

Listed:
  • Tiago Cardoso Pereira

    (Faculty of Sciences and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal)

  • Rui Amaral Lopes

    (Faculty of Sciences and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
    Center of Technology and Systems (CTS), UNINOVA, 2829-516 Caparica, Portugal)

  • João Martins

    (Faculty of Sciences and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
    Center of Technology and Systems (CTS), UNINOVA, 2829-516 Caparica, Portugal)

Abstract

This paper describes a system to support the development and assessment of methodologies that explore the energy flexibility provided by electric water heaters. The proposed system follows a modular approach and allows users to share and remotely control the referred devices. The operation of this system is presented in this paper considering a case study where the energy flexibility provided by a 100 L electric water heater is used to reduce electricity costs under the Portuguese tariff context. The collected results reveal that increasing the available energy flexibility leads to larger savings. These results also show that the referred savings depend on the instant associated to hot water consumption events.

Suggested Citation

  • Tiago Cardoso Pereira & Rui Amaral Lopes & João Martins, 2019. "Exploring the Energy Flexibility of Electric Water Heaters," Energies, MDPI, vol. 13(1), pages 1-11, December.
    • Handle: RePEc:gam:jeners:v:13:y:2019:i:1:p:46-:d:300101
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    References listed on IDEAS

    as
    1. Fitzgerald, Niall & Foley, Aoife M. & McKeogh, Eamon, 2012. "Integrating wind power using intelligent electric water heating," Energy, Elsevier, vol. 48(1), pages 135-143.
    2. Bo Lin & Shuhui Li & Yang Xiao, 2017. "Optimal and Learning-Based Demand Response Mechanism for Electric Water Heater System," Energies, MDPI, vol. 10(11), pages 1-17, October.
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    Cited by:

    1. Michael J. Ritchie & Jacobus A. A. Engelbrecht & Marthinus J. Booysen, 2022. "Centrally Adapted Optimal Control of Multiple Electric Water Heaters," Energies, MDPI, vol. 15(4), pages 1-24, February.

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