Solar Power Satellites (SPS): A Solution to Clean Energy Issues

Abu Sadat Md. Sayem , Habiba Afrin

Energy crisis is the main headache of scientists at present world. It will be a great problem in future. The conventional sources of energy(oil, coal, gas, nuclear energy) have limited reserves. So human being must find out new source of energy. The future alternate energy sources must satisfy some very basic criteria. First, it must be nondepletable, so it will not have to be replaced by the next generation. Second, it must be low cost, or it will not be developed to produce large quantities of energy. Third, it must be environmental friendly, so the Earth will not be affected. Fourth, it must become available to everyone. Fifth, it must be in a useful form so it can support the developing societies as well as the developed nations. Sixth, it must be in convenient form, so that it can be converted to any energy forms easily. Day by day our demand on electricity increases but the sources from where we can produce electrical energy is decreasing day by day.So,we need to find out alternate sources. Solar Power Satellites (SPS) can be a good alternate energy source. The Solar Power Satellite system is the only energy source with known technology that can meet the criteria for a viable major new energy source and move the world into the fourth era of energy.As the main problem of solar system is that sunlight is not available at all times and its strength is also variable in different seasons.If we set our solar panel in satellite then sunlight is available at all time and if we can transmit this produced electricity to earth then it can be a good source of energy. In this paper different factors associated with Solar Power Satellites are discussed and its importance as an energy source is mentioned.