A typical residential solar panel is around 5. 6mx1m), which gives it a surface area of approximately 17. This weight makes them manageable, but still requires careful lifting during installation. A complete rooftop array — panels plus aluminum rails plus brackets plus wiring — adds about 3–4 psf of distributed dead load. 5 feet wide and weigh between 40 to 50 pounds. However, the exact dimensions depend heavily on the panel's technology, wattage, and the manufacturer's design. These weights are essential considerations when planning solar installations on rooftops or other structures, as they determine the structural requirements and installation.