Solar Power for Homes - Get the Right Guide to Enjoy the Solar Power
Solar power for homes is become an excellent option to power home economically. In fact, it is the development from the concept of ancient people in using the solar power. Long time ago, ancient people used solar power for heating purposes such as heating the house of drying crops. Gradually people develop it then turn into solar power for homes to provide power for various purposes.
This actually began since the invention of the effect of photoelectric and the discovery of steam engine powered by solar power. In the 20th century, the need for using solar power for homes was seriously considered. It occurred when it was realized that fossil fuels (coal, oil, and gas) are starting to run out. Moreover, electricity will be harder to generate economically energy in the future. Using solar power for homes also offers little serious impact on the environment.
Uses of Solar Power for Homes
Solar power for homes is purposed for many different reasons. In general, they are utilized for powering low-power and small appliances such as radios, gadgets, lightings, children’s toys, small water pumps, and many more. Solar power can also be stored in batteries. Furthermore, during a period of power outage, you can use the power from batteries for lighting the house. Lots of people are increasingly use solar power for heating homes during winter in recent time.
How Home Solar Power Systems Work?
Photovoltaic (PV) panels are attached to the roof of a house in order to use solar power for homes. It is purposed in order their expanded surfaces face south for houses placed in the northern hemisphere. For those in the southern hemisphere, the panels should face north to collect highest solar energy.
The average power production of a solar cell is about 11 to 22 watt per square foot. When received by the panels, the solar energy produces electric current in them. This current is stocked up in a big battery bank that is linked to the PV array through a charger controller. The DC current stocked in the battery is converted to AC current (used in homes) by a DC-AC inverter for running home a variety of uses.
Odds against Using Solar Power for Homes
The major disadvantage that impedes the use of solar power for homes are the high cost of purchase and installation are. Depending on the size of the home and the particular solar power system, it costs an average of $20,000 to $40,000 for setting up a solar power system at home. The high costs of installing solar panels at home are due to the necessity of using pure silicon in their manufacture. However, solar-grade silicon in recent times has been gained from metallurgical silicon.
This advance is projected to lessen the installation costs of solar power for homes to about one-third of the present costs. Generally, solar panels are too expensive. Moreover, in areas of little sunshine and also on cloudy days as well as after sunset, solar panels are not very useful. For more information, please check out links on this Solar Energy Secret site.