In compliance with the aim of ensuring maximum contribution to the national economy in the general energy policy of our country and carrying out its activities according to efficiency and profitability principles TEMSAN Electromechanical Industry Inc was established with the decree of the Council of Ministers numbered 7/10907 in 1975 and began its activities by organizing in 1977
With the establishment of the General Directorate of State Hydraulic Works (DSI) in 1954, the installation of hydroelectric power plants started and the need for a specialized institution was arisen for the construction, supply of equipment and installation services of these plants which increased in time. TEMSAN providing service to Public Institutions for many years added the private sector to its customer portfolio after the publication of the legislation on privatization of water rights in 2001.