Energy tower may refer to:
electricity power generation by downdraft created by evaporation of water sprayed at the top of a tall hollow cylinder, see Energy tower (downdraft) solar power plant technology using mirrors, see Solar power tower electricity power generation by solar-heated air in a chimney-style tower, see Solar updraft tower a machine for converting the kinetic energy in wind into electricity, see Wind turbine a machine for converting the kinetic energy in wind into mechanical energy, see Windmill
See also Energy Tower, a skyscraper proposed for the city of Midland, Texas