The invention relates to a solar roof plate system for laying on an inclined surface, preferably on a roof comprising a roof ridge and an eave, with at least two roof plates comprising an upper side and a lower side, and with a solar module, which extends over the upper side of the roof plates and can be fastened thereto. A profile rail is provided interconnecting the roof plates, which comprises at least one module receptacle for receiving an edge of the solar module, preferably an edge of the solar module facing the eaves or the roof ridge.