Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation. . Department of Mechanical Engineering, Michigan State University, 428 S. Shaw Lane, East Lansing, MI 48824, USA Author to whom correspondence should be addressed. This review provides a comprehensive synthesis of experimental solar chimney research, focusing on methods to improve power generation. . The amount of sunlight that strikes the earth's surface in an hour and a half is enough to handle the entire world's energy consumption for a full year.