Abstract: A wind-energy and radiation-energy collector system has at least one radiation-energy collector with a radiation-absorbing absorber and a reflector element. The reflector element collects radiation and directs the radiation at the absorber. At least one wind wheel, which is arranged in a direction opposite the receiving direction of the radiation-energy collector and which is supported on the system, is provided. The arrangement of the radiation-energy collector and the wind wheel is movably supported so that the arrangement can be oriented either with the radiation-energy collector facing the sun or with the wind wheel against the prevailing wind direction.