Most property owners in Singapore choose to maximise their roof space for their solar panel installation, as larger systems equate to lower unit costs. That said, you may also want to consider your monthly electricity consumption and design your solar system to fit your daytime electricity needs. In cases where having a large solar panel system may not be possible or is not ideal, it might make sense to downsize the system on your roof. Check out our guide to rooftop suitability to find out more.