An application of solar panel for energy efficiency at vertical building in Lebak Bulus Jakarta

This article contains a research on position and placement of solar panels to reduce electrical energy consumptionof an office building with analysis on sunlight of the site, which located in Lebak Bulus, Kawasan Koridor, Jalan TB Simatupang, South Jakarta. The method of the research is as follows: (1) Analyze the site location, (2) Analyze the climate in the site location, (3) Analyze the solar panels placement based on the result of analysis of sunlight, (4) Analysis of Electricity Supply Demand Calculation in Buildings, and (5) Calculate the efficiency based on the amount comparison of electricity needs of the air conditioner and the energy produced by solar panels. The result shows that solar panels will work optimally if placed on the upper side, the northeast side and the northwest side of the building. The amount of solar panel needed are as many as 4,398 pieces, based on comparisons between energy consumption and building area. So, it can be concluded that the use of solar panels on the top side, and 2 other sides namely east and west can produce electricity use efficiency of 53.08%.

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