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Techno-Economic Analysis of Hybrid Power Generation System for Off-Grid Electricity System at Karanrang Island
Pasangkunan R.
Proceedings Ice3is 2024 4th International Conference on Electronic and Electrical Engineering and Intelligent System Leading Edge Technologies for Sustainable Societies
Abstract
Nowadays, a hybrid renewable energy system is one of the best solutions to meet energy needs, especially for island areas that are not connected to the central grid. Karanrang Island is one of the areas that has implemented a diesel-PV hybrid generation system, but its operation has not been optimal due to the increasing electricity load that continues to occur. This study aims to analyze the techno-economic feasibility of hybrid generation systems by simulating 62 scenarios using HOMER software consisting of existing systems, seven types of PVs, three types of wind turbines, and two types of batteries. The simulation results will be analyzed and ranked based on the Multi-Criteria Decision-Making (MCDM) methods Technique for Others Preference by Similarity to Ideal Solution (TOPSIS) and Evaluation based on Distance from Average Solution (EDAS) by considering several parameters to determine the best scenario for the case study area. Based on the analysis results of both methods, it can be seen that the best scenario from the EDAS method is the most optimal system consisting of 200 kW of PV existing, 1346 kW of PV added, and 379 battery units. The cost of energy (COE) of the best-designed system and net present cost (NPC) is 2,057 (<tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$R$</tex>p/kWh) and 27.3 billion rupiahs, respectively, where the renewable fraction is 95.6%.