Vehicle roof with external solar generator

The invention relates in a first aspect a vehicle roof with an outside at a fixed roof skin (10) fixedly mounted solar generator (18) for generating solar power for the vehicle, wherein the solar generator between a first, spatially compact position and a second, less spatially compact position is adjustable, in which its active, projected on the rotational axis of solar panels than in the first position. According to a second aspect, the invention relates to a vehicle roof with an outside at a fixed roof skin (10) attached, extending in the roof longitudinal direction fastening element (14, 16), which is designed so that a mobile scale solar generator (solar elements 22) are inserted in the fastening element can and will be held in a working position for generating solar power therefrom.