Design of Rooftop Photovoltaic System for 30/60- type House in Sukabumi, Indonesia using PVSyst Simulation

Ali, Mukhlis; Lestari, Dwi; Rahman, Taufik

doi:10.1109/icced53389.2021.9664792

Cited by 2 publications

(1 citation statement)

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“…There are 3 types of solar power plant configurations: on-grid, off-grid, and hybrid systems [10], [11]. The on-grid system is a solar power generation system that is directly connected to the National Electricity Company network and the load, so that both the solar power plant and the National Electricity Company network can be the source of energy alternately [12]. The off-grid system is a solar power generation system that is connected only to the load, so that this system will alternately depend on battery support while unconnected to the load [13], [14].…”

Section: Introductionmentioning

confidence: 99%

Solar power plant on the rooftop of the Diponegoro University Rectorate: a technical and economic study

2023

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Diponegoro University's Rectorate building uses electricity from the National Electricity Company with a S2 social subscription type of 105 kVA. The designed solar power plant has a capacity of 25 kW, or 25% of the installed electrical capacity. This research aims to compare the solar panels and inverter configurations that will be used in solar power plants. Moreover, this study aims to find out which configuration will provide the best results and the biggest savings. Technical analysis is carried out with the photovoltaic system (PVSyst) software to calculate the energy produced by solar panels, inverter losses, and other results. On the other hand, economic analysis is carried out with RetScreen software to calculate net present value (NPV), benefit cost ratio (BCR), and payback period (PP). Based on the PVSyst simulation results, the estimated energy production for each variant is 39,684 kWh; 39,633 kWh; 39,507 kWh; and 39,446 kWh. The first variant has the biggest performance ratio value of 84.1%. Based on the Retscreen calculation result, the third variant has an NPV value of $22,698, a BCR value of 2, and a PP of 8.7 years, which has the best result and the highest advantages.

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