STEAG is a German power producer with an installed capacity of 10,150 megawatts, of which around 8,200 are situated in Germany. It operates 11 power plants and 200 local power facilities (some of them renewable) in Germany. The STEAG headquarters are in Essen. It also specialises in the planning and construction of power plants. Its shareholders are a consortium of 7 utilities from the Rhine-Ruhr region.