Abstract
This study examines Shenzhen's potential for utilizing photovoltaics (PV) on buildings in terms of residential electricity consumption. Based on its geographic information system (GIS) data, typical local meteorological data, and electricity demand, the solar potential of Shenzhen has been thoroughly studied, critically analyzed, and compared with different urban morphology characteristics. Urban morphology influences the solar radiation received by individual buildings. First, four representative residential areas have been chosen. Using the 3D architectural modeling software Rhinoceros with its Grasshopper and Ladybug plug-ins, the solar potential of the areas was then evaluated. Following this, an economic analysis was carried out. Due to the high solar radiation of the rooftop areas, the results demonstrated that a combination of rooftops and high-performance facades (over 700 kWh/m2/year) produces a promising payback period. Therefore, this paper calls for action to start a large-scale program to promote and then mandate the use of renewable energy resources (RES), specifically solar, for the residential sector in the cities located in the southern region of China.
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