Prediction and Assessment of Solar Radiation Intensity Shade Projection in Jayapura City, Indonesia: Optimisation of Solar Energy Utilisation
Journal Title: Journal of Sustainability for Energy - Year 2024, Vol 3, Issue 3
Abstract
Jayapura City, Indonesia, presents significant potential for solar energy utilisation, driven by its high solar radiation levels. However, the presence of urban obstacles, such as buildings, trees, and varied topography, can obstruct the direct transmission of solar radiation to the ground, thereby reducing its efficiency for solar energy systems. This study aims to develop a methodology for predicting and assessing the shade projection of solar radiation intensity across Jayapura City. A quantitative descriptive approach was employed, involving the measurement of elevation and azimuth angles using Global Positioning System (GPS) technology. Data were analysed using RETScreen and Sun Locator Pro (SLP) software. The analysis of the collected data facilitated the generation of a detailed shade projection map, which can be utilised to optimise the placement of solar panels and enhance the performance of the city's Solar Power Generation System (SPGS). The findings indicated that the highest elevation angle occurred at 12:00 pm in March. In September, the sun's position was nearly directly above the equator, leading to a minimal shadow ratio (SR = 0.08), with the projection closely aligned with the object. The azimuth angle, measured at noon, exhibited an extreme angular shift, reflecting the standard reference towards the north (180° at noon). This study demonstrates the potential of this methodology to inform the strategic placement of solar infrastructure, improving the efficiency and efficacy of solar power systems in urban environments characterised by complex topographies.
Authors and Affiliations
Usman Tahir, Gatot Ciptadi, Marjono, Abdul Wahid Hasyim, Sudirman Syam
Keywords
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- EP ID EP754530
- DOI https://doi.org/10.56578/jse030303
- Views 40
- Downloads 1
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