Although our country is rich in natural resources, they are not used consciously. Fossil fuels, our most widely consumed natural resources, meet an important part of our energy deficit. However it is not enough to reduce our dependence on foreign energy. In addition, the negative impact of wastes on the environment and human health has raised the recycling of these wastes. This has resulted in the quest for alternative energy sources. Alternative energy sources include electricity production from rivers, sewage sludge, agricultural and animal wastes, the wind and solar power. This study discusses alternative energy sources and existing power plants in Turkey and their efficiency. Keywords: Alternative energy, Thermal reactor, Solar power, W...