Solar Roof Panels - Standing Seam Metal Roof can easily be integrated with solar roof panels that convert solar energy into electricity, which provides free energy for your home. This can be a great element of sustainable building design.
Solar Tiles v Solar Panels: "Tiles, technically speaking, are photovoltaic cells that mimic traditional roof shingles. They first became commercially available in 2005; at that time, they were more expensive than panels, but recent market forces have driven down the cost, so now the prices are equivalent." - that's in the US, of course. | Century Roof & Solar