Preparing your roof involves getting both the wiring and framing or support structures securely so the panels can connect and mount securely. Now that you've decided to get off-grid or have a PV backup, you want to install the solar panels, but there is some essential preparation you need before you even think. A solar panel can weigh between 31lbs and 50lbs for residential and 50lbs and higher for commercial solar panels. For residential purposes, most. There are a few options available, like Solar Buddy and ladder pulleys that all use a similar concept of a winch or pulley and a frame to lift panels, and you can also get lifting bags and the solar panel caddy. This is another way to carry solar panels using the solar panel caddy, which uses a gravity-fed clamp device with a rubber handle that disperses the panel's weight evenly. You can lift it over.