Paper Title
Investment in renewable energies for sustainable development

Abstract
Traditional energy is of great importance in the Algerian economy especially that about 95% of incomes of Algeria were caused by exporters, and this despite the entry of the national economy, many times during the economic crisis because of fluctuating prices. Also check out traditional energy electric 98% coverage rate which is good but you must achieve full coverage through the promotion of the renewable energy sector in regions isolated southernmost especially promising future as renewable energy alternative and clean energy as a source of revenue for the national economy, the latter is the most important The ideal fuel for the future, and Algeria have caused by their geographical location on the richest sunglasses in the world ranking the first in the Mediterranean, in addition to other possibilities such as energy, water and wind.