Evaluation of Hybrid Power System Feasibility Considering Battery Degradation

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Terkeş M., Demirci A.

17th International Scientific Research Congress: Science and Engineering, Ankara, Turkey, 19 - 20 August 2023, pp.95-105

  • Publication Type: Conference Paper / Full Text
  • City: Ankara
  • Country: Turkey
  • Page Numbers: pp.95-105
  • Yıldız Technical University Affiliated: Yes


 The deployment of renewable technologies in energy is valuable for carbon targets. However, due to their intermittent power generation profile, supporting the system with superior battery energy storage systems (BESS) and designing hybrid power systems (HPS) is critical for a reliable and sustainable energy supply. The technical operation of BESS can affect the energy balance and system performance in many aspects. In this study, minimum cost HPSs are optimally sized in a multi-year sensitivity analysis for prosumer demands in the distribution grid using shared BESS at lower depths of discharge (DOD). In addition, the HPS feasibility results caused by low DOD are improved by considering various C-rate and replacement degradation limits. The results show that increasing the C-rate can reduce the cost of energy by up to 3.15% and CO2 by up to 8.9%. Moreover, reducing replacement degradation limits by up to 30% could lower total net present costs by up to 5.63% and increase the renewable fraction by up to 1.1%. Evaluating the technical operation of BESS from the perspective of many stakeholders will help sustainable development plans.