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Optimal Scheduling of Energy Storage and Shiftable Loads in Grid-Connected Residential Buildings with Photovoltaic Micro-Installations

Author

Listed:
  • Roman Korab

    (Department of Power Systems and Control, Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland)

  • Marcin Połomski

    (Department of Algorithmics and Software, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, 44-100 Gliwice, Poland)

  • Tomasz Naczyński

    (Joint Doctoral School, Silesian University of Technology, 44-100 Gliwice, Poland)

Abstract

Photovoltaic (PV) systems are becoming increasingly popular, especially in residential buildings. However, the high penetration of prosumer PV micro-installations can have a negative impact on the operation of distribution networks due to the low self-consumption of the energy produced. One way to mitigate this problem is to use a residential energy storage system (RESS) and load shifting under a demand-side management (DSM) scheme. Energy management systems (EMSs) are used to control the operation of RESSs and to implement DSM. There are two main categories of EMSs: rule-based and optimization-based. Optimization-based EMSs provide better results than rule-based EMSs but can be computationally expensive. This article proposes an optimization-based EMS that is designed specifically for residential buildings. The proposed home energy management system (HEMS) uses a particle swarm optimization method to maximize the prosumer’s financial neutrality, which is calculated based on dynamic energy prices. Simulation-based evaluation using the measurements taken in a building equipped with a PV source, RESS, and shiftable loads shows the improved performance of the proposed HEMS compared to rule-based RESS control. The results show that the designed HEMS increases self-consumption, thus reducing the impact of the prosumer’s PV micro-installations on the distribution grid.

Suggested Citation

  • Roman Korab & Marcin Połomski & Tomasz Naczyński, 2024. "Optimal Scheduling of Energy Storage and Shiftable Loads in Grid-Connected Residential Buildings with Photovoltaic Micro-Installations," Energies, MDPI, vol. 17(21), pages 1-23, October.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:21:p:5264-:d:1504515
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    References listed on IDEAS

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    1. Dariusz Kurz & Agata Nowak, 2023. "Analysis of the Impact of the Level of Self-Consumption of Electricity from a Prosumer Photovoltaic Installation on Its Profitability under Different Energy Billing Scenarios in Poland," Energies, MDPI, vol. 16(2), pages 1-40, January.
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