Solar energy, a renewable energy source, is one of the most available sources on earth. However, as it is an intermittent energy source, it needs to be improved upon storage or another energy source. Although solar energy systems today still have low average efficiencies due to modern technology, research is underway to develop highly efficient and inexpensive systems on a daily basis. Using solar energy is beneficial because it provides a more environmentally friendly or a "greener" way of living. It is also a freely available resource, which is one of its many benefits once installed and does not cost more than the cost of setup and routine maintenance.

Concentrating solar energy systems such as "Stirling Disks" are large solar power plants that use modern technologies to convert light energy into useful electrical energy. A direct technology for the use of solar energy involves the use of solar cells, which is a system intended for small appliances and homes.

Information about solar energy

It is important to know some information about solar energy before you buy it. The definition of solar energy is "energy systems that produce energy directly from sunlight". It is the conversion of sunlight into electricity. After all, most of our energy resources are indirect forms of solar energy. Without the sun, the wind would not blow. In addition, the sun causes evaporation of water, resulting in water accumulating in rivers after condensation. This water is used for hydropower. Without the sun, water would be locked forever in solid state: ice. Moreover, biofuels cannot exist without the sun as well. If you were to go deeper, it is also the sun that allows life, which in turn would provide fossil fuels. An important fact about solar energy is that it is a renewable energy source, as sunlight can be used at any time.

Solar energy is transmitted directly by "solar cells" (PV) or indirectly by "concentrating solar energy (CSP). Solar cells are used to power small to medium-sized equipment such as calculators for offline homes. CSP involves two methods: the first method is simply to boil water , which is then used to supply power, the second and more complicated method involves technology such as sterling motor drives, which use a sterling cycle motor to drive a generator.Another detail to keep in mind that although installing solar energy is expensive, these costs are has dropped significantly over the last few years, making it affordable for almost everyone.In addition, small solar applications are also used to replace other sources in developing countries.Since solar energy is a renewable energy source, it means you can pay ahead of the next 20 years with energy, but non-renewable energy sources are purchased as consumed.

Solar energy efficiency

So how efficient is solar energy in reality? Research says that the current solar cell conversion efficiency is approx. 15% and is improving day by day! In addition, some experimental models provide more than 40% efficiency! This shows that solar energy is becoming more superior than it was about twenty years ago. The efficiency of the solar panel is on average 20%. However, do not be discouraged. The most advanced solar energy systems are estimated to have an average of 40% efficiency. However, when converting the resulting electricity (from solar energy) to light, the efficiency is reduced by 15%.

Thus, solar panels have a reduced efficiency when it comes to lighting our homes. Nevertheless, the most skilled way to get the most out of solar energy is to use as much direct sunlight through daylight and passive solar heating technologies and also use solar panels with the highest efficiency for the rest of our energy needs. High-efficiency solar cells are a type of solar cell that, on average, has the highest efficiency compared to standard solar cells. Although solar energy systems generally still have low average efficiencies, a lot of research is put into developing highly efficient and inexpensive costs on a daily basis.

Author's Bio: 

Solar energy, a renewable energy source, is one of the most available sources on earth. However, as it is an intermittent energy source, it needs to be improved upon storage or another energy source.