Providing residences of Gaza with electric power for 24 hours/day is one of the key problems that facing decision-making bodies in energy sector. Most recently, residence in Gaza started to adopt solar energy system as a replacement or as a complementary to the current energy sources. In this paper, we present a survey results that measures the success of using solar energy at homes in Gaza Strip. The study population is the employees of Al-Shifa Medical Complex (about 2000 employees). The questionnaires are distributed to a sample of 10% of the total population. Collected data is analyzed using SPSS. Results show that gender and job titles have no effect of the decision of adopting solar energy systems. However, income has a direct effect on the decision of adopting solar energy systems.