Özet:

Due to the erratic nature of renewable energy generation, experts in this field have created hybrid renewable energy systems that provide continuous and permanent load supply (HRESs). This study aims to create an off-grid model of a hybrid energy system (HES) using a photovoltaic generator/wind turbine/biogas to provide electricity for public buildings in Malang, Indonesia. This model was created using the HOMER software. Following the calculations, each cost of energy (COE) and component’s capital cost are evaluated using various hybrid renewable energy system models. Furthermore, the energy production, gas releases, and an evaluation of the thermo economic situation of diverse models of HRES have been investigated. Two optimal HRES models, one with and one without a biogas generator (based on the lowest net present cost (NPC)), were assessed. According to the data, using a biogas generator will result in a 68.3 percent reduction in fuel demand and emissions. Given Malang’s severe air pollution, this HRES model is a noteworthy feat. The results show that moving from a diesel generator to a biogas generator results in a 6.84% reduction in NPC.

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