For an ideal energy output from a solar thermal energy plant, direct sunlight and a consistently low degree of cloudiness are essential. Deserts, in particular, fulfil these requirements. igus offers different solutions for tracking systems that can withstand the tough outdoor conditions and hence avoid maintenance work and downtime. The application areas of dirt-resistant and lubrication-free plain and spherical bearings are, e.g. parabolic troughs or Fresnel solar panel systems, solar power towers and cleaning systems.