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Optimisation of Integrated Heat Pump and Thermal Energy Storage Systems in Active Buildings for Community Heat Decarbonisation

Author

Listed:
  • Zaid Al-Atari

    (Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, UK)

  • Rob Shipman

    (Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, UK)

  • Mark Gillott

    (Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, UK)

Abstract

The electrification of residential heating systems, crucial for achieving net-zero emissions, poses significant challenges for low-voltage distribution networks. This study develops a simulation model to explore the integration of heat pumps within active building systems for community heating decarbonisation. The model optimises heat pump operations in conjunction with thermal energy storage units to reduce peak demand on low-voltage networks by using real-time measured electricity demand data and modelled heat demand data for 76 houses. The study employs an algorithm that adjusts thermal storage charging and discharging cycles to align with off-peak periods. Three scenarios were simulated: a baseline with unoptimised heat pumps, a fixed threshold model, and an active building model with daily optimised thresholds. The results demonstrate that the active building model achieves a 21% reduction in peak demand on the low-voltage substation compared to the baseline scenario; it also reduces the total electrical energy consumption by 12% and carbon emissions by 17%. The fixed threshold scenario shows a 16% improvement in peak demand reduction, but it also shows an increase in energy consumption and emissions. These findings highlight the potential of active buildings to enhance the efficiency and sustainability of residential energy systems, marking a significant step toward decarbonising residential heating while maintaining grid stability.

Suggested Citation

  • Zaid Al-Atari & Rob Shipman & Mark Gillott, 2024. "Optimisation of Integrated Heat Pump and Thermal Energy Storage Systems in Active Buildings for Community Heat Decarbonisation," Energies, MDPI, vol. 17(21), pages 1-18, October.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:21:p:5310-:d:1506478
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    References listed on IDEAS

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    1. Wang, Y. & Wang, J. & He, W., 2022. "Development of efficient, flexible and affordable heat pumps for supporting heat and power decarbonisation in the UK and beyond: Review and perspectives," Renewable and Sustainable Energy Reviews, Elsevier, vol. 154(C).
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