Djoko Adi Widodo, FT P Teknik Elektro (2020) Potential of Solar Energy in Residential Rooftop Surface Area in Semarang City, Indonesia. Advances in Science, Technology and Engineering Systems Journal, 3 (4). pp. 397-404. ISSN 2415-6698

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Abstract

This study examines the potential of solar energy in the urban environment with a case study in Semarang, Indonesia by analyzing the intensity of solar radiation and the residential rooftop area. The study aims to obtain a quantitative description of the potential for electricity production from rooftop solar photovoltaic systems in residential areas and estimate the mitigation potential of CO2. The estimation method has adopted the hierarchies assessment: estimation of physical, geographic, and technical potential. This study shows the residential roof area spread over 16 districts in the city of Semarang is 412,987.50 m2 to 2,083,387 m2 has the average potential to of solar energy every year of 44,051 - 222,222 MWh/year. Total the low-carbon electricity is equivalent to 40.87% of the total electricity consumption in 2018 at Semarang City and reduce 1,394 tonCO2 in a year. Potential electricity production is proposed to set rules for the future empowerment of solar energy and analyze the potential at different time levels, such as monthly, weekly and daily.

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