Alternative energy continues to gain popularity among a lot of people as the cost of using it has gone down. A good example is the solar array, which is today on many homes and businesses. Solar cells, the black squares of a solar array, are not simply becoming less expensive, but also much more efficient. As the design is developed, the solar cells are able to gather sunlight for energy in a much smaller area than the older cells could. The photovoltaic cells have become better, because they have become smaller and less costly to produce. The cost per watt to produce solar energy has been cut in 50% fifty percent over the last twenty years.
For environmentalists, the nice thing about solar-powered energy production is that it gives off absolutely no pollution. For others, the greatest thing about solar power is the amount of money that can be saved on their energy bill. The main reason why solar power has become popular is that it is affordable to use, not because of concern for the environment. Also setting these solar batteries on your rooftop is no longer very difficult to do, which also helped in the rapid growth.
To produce hot water by utilizing solar cells, the water is heated while encased in the cells, and then sent through your pipes. These cells, even on overcast days, are collecting enough radiation from the sun much more efficiently. There is a company known as Uni-Solar that created solar collection arrays that work during severe weather. This system has been advanced more technologically which allows more energy to be gathered during the days with sunlight. There is one other solar energy system referred to as PV that people are using. The system allows a home to share its extra energy to the electrical grid in a community. This is to reduce the dependence of the grid on electricity from hydro-electric plants.
And so the huge benefits of using the PV system is less dependence on the grid, decreasing pollution and bringing down energy costs. Several small communities and suburbs have installed centralized solar collection arrays areas. An indication that solar power is becoming an acceptable alternative energy option is that a number of well0known companies are getting into solar energy. Google's headquarters is planning on installing a 1.6 megawatt solar power plant on its roof, and even Wal Mart plans to install its own 100-megawatt solar power system.
Governments in countries like Japan, Germany, Switzerland and the United States are providing people tax breaks to utilize solar power for their homes or businesses. Investors also see the value in promoting eco-friendly technology and will keep on investing money into it. As the utilization of solar energy becomes more and more popular, the costs will continue to fall, which could only benefit everyone.