Yes, solar panels can be installed on a flat roof. Installers use tilt racks or ballasted mounts to angle panels correctly, improve sunlight capture, and allow rainwater to drain. With professional design, flat roof solar performs just as efficiently as on sloped roofs. This information is relevant to homeowners. The question, " can you put solar panels on a flat roof?" is one of the most common inquiries from homeowners and business owners looking to harness the sun's power. The short answer is a resounding yes! In fact, flat roofs present a unique and often advantageous opportunity for solar energy. Flat rooftops provide a practical, accessible canvas for solar energy projects. Flat roofs have a minimal slope allowance that will accommodate solar PV panel systems. It also has a lot of space to.