Algeria's electricity generation has been recently approached 8,000 MW, as energy consumption continues to grow by 5% every year. On the other hand, despite the favourable geographical situation of Algeria, but, the development of renewable powers in the country occupy only a small part of the national electricity mix (0,8%) and their production is shared between the hydraulic sector which generated this year (389GWh). Or 0,7 % of the total, and solar photovoltaic (11Gwh) and thermodynamic (58GWh), which represent 0.1% of the balance sheet. This article also explains the most used renewable energies for Algeria and shows the efficient applications related to solar, wind, geothermal and biomass energy. At the end an example that includes manoeuvring and managing energy sources on opportunities related to the development of renewable energies.