The production and consumption of energy, which are indispensable inputs for production, cause negative externalities on the environment and human health as well as harm the development of the country. Therefore, countries have two basic motivations when selecting energy source. The first is to have a strong economy by taking into account the increase in production and competitive power provided by the energy source, and the second is to avoid the selection of energy source that will reduce the prosperity of the people. The technical, economic, environmental and social criteria of renewable energy sources are ranked with respect to their importance degree by means of Entropy method in this study where the energy source selection which can be suitable for our country is made. In this study where the energy source selection which can be suitable for our country is made and in second stage the WASPAS method is used to suggest which renewable energy source is the most suitable to meet the energy demand in Turkey. The results obtained in WASPAS method indicated the ranking of renewable energy sources, which are the suitable for investment in Turkey, as Hydro, Geothermal, Wind, Biomass, Solar.