AbstractBecause of clean renewable electric power technologies is the human's future, a great number of parabolic trough power plants with different configurations are being considered for deployment in different locations in our world. It is necessary to study the operating performance of the concentrator solar power plant located in typical sites of Algeria, in this work for reference of the feasibility study of this technology in Algeria, it is essential that the plant designs will be optimized for each specific location. This paper is divided in three big sections; the first one is the implantation of parabolic trough solar power plants in different Algerian locations to see if this installation gives us usable electricity. The second section is to determine the best combination of available solar technological components (collectors, receivers, heat transfer fluids) and finally to make an economic study and gives a solution to minimize the levelized cost of electricity. The results shows that Algeria is one of the best world locations to produce usable electricity from solar thermal energy also the results could be useful to make decisions to realize such projects