The effects of climate change caused by over usage of energy use are being experienced around the globe. Changing weather patterns like prolonged droughts and torrential rains that lead to floods had caused unforeseen effects for the whole world. Singapore’s electricity generation had depended mainly on burning of fossil fuels where the price of fossil fuels had been increasing lately. On the other hand, the price of generating renewable energies had drop due to the advancement in its area of technologies. Therefore, in this study, the viability of photovoltaic (PV) installations in Singapore domestic households was studied. The study includes the current level of PV technologies, the economics of PV market in Singapore and explored the wa...