Millions of people worldwide do not have access to electricity for the most basic goods of survival. One of the many ways to extinguish this unevenness between the developed and underdeveloped world starts from using renewable resources as a source of energy. The problem inhabits in the way as this renewable resources are managed in function of a certain associated load demand. Hybrid energy systems, namely the stand-alone or isolates ones, show an enormous weight in the path for adopting ways of giving access to energy in the most remote places of our planet. To conjugate, in an optimized way, the different forms of energy ? wind, water and sun ? is the course we have to adopt and implement so that motivated investors can apply their monetary resources in underdeveloped countries such as African.