The United Nations Development Program reported that two-thirds of the world's population will be living in cities by 2050, which would account for more than 60% of the world's energy consumption. Developing countri. Since 1990, there has been an increase of 213 million inhabitants of informal settlements in t. The severity of the population scenario in Uganda and Indonesia is shown in Figure 3. From 1990 to 2014, there was an increase in the urban population, resulting in many slum dw. There are intrinsic and extrinsic factors that strongly support the integration of solar PVs in low-cost housing in countries such as Uganda and Indonesia (Figure 4). In Uganda, local en. From the energy yield estimation (stage 1) and advanced system analysis (stage 2), the results were obtained to identify the optimal scenario of the PV arrangement to be fitted on the ro. The demand for affordable housing in Uganda has increased significantly because of the increase in the low-income population. These shortcomings are due to elevated land an.