Integrated solar panels are commonly known as in-roof solar panels. They are similar to conventional solar panels installed on top of slates or roof tiles, but instead, these are integrated into the roof. They replace a section of the roof with no tiles under them.
Integrated solar panels are specifically designed to be as strong as the normal roof tiles and be weatherproof but also include photovoltaic cells or PV cells to produce electricity for homes.
Often referred to as solar roof tiles, roof-integrated solar panels are not designed to look like roof tiles and are not generally a complete roof systems solution.