Propose a viable project of electric generation with solar cylindrical parabolic concentrators. The government is promoting the development of Renewable Energy Resources (RER) by favorable legislation. It is looking to give clean energies, more importance in the energetic matrix. Since the year 2010, the Supervisor Entity for Investment in Energy and Mining (OSINERGMIN) is organizing public auctions to give a 20-year contract for renewable energies only. This assures a market and a demand for a long-term project. Economically the project is not feasible, but financially it is. This is because of the high return demanded for the invested capital. A sensibility analysis was made, where it is established the conditions to make it economically possible, in scenarios similar to the solar photovoltaic sector. The project is based in the use of an alternative CSP (Concentrated Solar Power) tech...

The present study demonstrates that the current use of stepped solar distillers can be enhanced to increase seawater desalination. To this end, we designed a stepped solar still with internal reflective walls and attached a set of borosilicate vacuum tubes with heat pipes; these heat pipes, in turn, were attached to plates containing seawater inside the distiller. The average global efficiency was calculated in 71.5%; the volume of distilled water per unit area (designated as V'exp) and the volume of distilled water per unit area of distiller and per unit daily solar energy (V¿exp) were also calculated. On a sunny day, with an incident solar energy of 19.93 MJ/m2, V'i was 5690 cm3/m2 and V¿exp was 285.5 cm3/m2 MJ; meanwhile, on a cloudy day, with 12.63 MJ/m2 of energy, V'exp was 3648 cm3/m2 and V¿exp was 288.8 cm3/m2 MJ. Since V¿exp varies only slightly under different weather condit...