Nowadays, one of the most vital needs of humanity is "energy". We need energy for every product that we produce. Because of the aim of providing the requirements of proceeded and growing production processes at global level, the people's demand on energy and the energy usage is increasing.
At the present time, There are two big problem that threat the future. These problems are the irregular usage of fossil fuels and the energy supply problem that led to wars. Since the fossil fuels are the finite sources, they face the danger of extinction. On the other hand; the damages of the fossil fuels to the humanity and the environment can be significantly realized in era of global impacts of climate change. As two main problems are mentioned above, the only way that energy demand can be meet without harming to the humanity and the globe is to use of RENEWABLE ENERGY SOURCES.