Singapore basks in year-round sun, yet only around 8 per cent of landed homes and condominiums have installed solar panels as of 2025. As costs fall and technology evolves, what will it take for residences and businesses to make the most of what's shining down on them? Step into Mr Goh Jing Hwee's house and you will be greeted by an array of installations that harness the power of the sun.  Solar-powered clip-on lights line the stairway, solar-powered bollard lights dot the garden and 60 solar