Optimum Generated Power for a Hybrid DG/PV/Battery Radial Network Using Meta-Heuristic Algorithms Based DG Allocation

Mohamed Els S. Abdelwareth, Dedet Candra Riawan, Chow Chompoo-inwai*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This paper presents four optimization outcomes for a diesel generator (DG), photovoltaic (PV), and battery hybrid generating radial system, to reduce the network losses and achieve optimum generated power with minimum costs. The effectiveness of the four utilized meta-heuristic algorithms in this paper (firefly algorithm, particle swarm optimization, genetic algorithm, and surrogate optimization) was compared, considering factors such as Cost of Energy (COE), the Loss of Power Supply Probability (LPSP), and the coefficient of determination (R2). The multi-objective function approach was adopted to find the optimal DG allocation sizing and location using the four utilized algorithms separately to achieve the optimal solution. The forward-backward sweep method (FBSM) was employed in this research to compute the network’s power flow. Based on the computed outcomes of the algorithms, the inclusion of an additional 300 kW DG in bus 2 was concluded to be an effective strategy for optimizing the system, resulting in maximizing the generated power with minimum network losses and costs. Results reveal that DG allocation using the firefly algorithm outperforms the other three algorithms, reducing the burden on the main DG and batteries by 30.48% and 19.24%, respectively. This research presents an optimization of an existing electricity network case study located on Tomia Island, Southeast Sulawesi, Indonesia.

Original languageEnglish
Article number10680
JournalSustainability (Switzerland)
Issue number13
Publication statusPublished - Jul 2023


  • PV
  • batteries
  • diesel generator (DG)
  • firefly algorithm (FA)
  • forward-backward sweep method (FBSM)
  • genetic algorithm (GA)
  • minimizing cost and losses
  • particle swarm optimization (PSO)
  • power system optimization
  • radial network


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