Solar energy can be made usable in three different ways. Photovoltaic cells convert sunlight into electricity. Solar thermal systems use the sun's energy to heat water. Concentrating solar power focuses sunlight to heat water. The resulting steam drives a turbine, producing electricity. However, solar energy is more expensive than other types of energy, and the technology is also inefficient. Solar panels and thermal concentration power plants need to cover large areas to produce enough electricity. In addition, harmful toxic chemicals are used in the production of photovoltaic cells.
Cost
Solar energy is more expensive than other renewable energy sources and fossil fuels. The cost of a two-kilowatt (kW) solar energy system is approximately $45,000, and it cannot fulfill more than half of a typical American household's requirements.
See full Article.
Posts
