As a result of its gradual cost-effectiveness, alternative energy has become extremely popular in many areas of the world. That is one reason why you find more solar arrays on more homes and businesses. The photovoltaic cells that are used for solar arrays have become more affordable and more efficient to utilize. As the design is improved, the cells are able to gather energy from the sun in a much smaller area than the older cells could. These solar cells have become very useful as they can now be made at smaller sizes and at lower cost. In the last twenty years, the cost per watt hour for making solar-generated energy, has been practically cut in 50%.
What many environmentalists love about using solar energy is that it doesn't cause pollution. For a lot of us, solar power can help us save a great deal of money on our electric bill. The only reason why solar energy has become popular is that it is affordable to use, not because of concern for the environment. There is no longer a barrier to install solar arrays in a home because they've become very easy to set up.
To make hot water by using photovoltaic cells, the water is heated while it is inside the cells, and then sent through your pipes. The solar cells have become efficient enough to collect energy on cloudy days. There is a company called Uni-Solar that created solar collection arrays that work during stormy weather. This technology is advanced where more energy can be gathered during sunny days to make up for days when sunlight is limited. One other system of solar energy referred to as the PV System is available too. This system allows a home to hook up to an electrical grid and share any excess power to the grid. The result is less reliance on electric plants and lower energy bills.
So the major benefits of using the PV system is less reliance on the grid, reducing pollution and lowering energy costs. Several small towns and suburbs have installed centralized solar collection arrays areas. Furthermore, some of the leading companies are utilizing solar energy as their primary source of power now. Google HQ is planning on putting a 1.6 megawatt solar power plant on its roof, and even Wal Mart plans to install its own system that is 100 megawatt.
Governments in countries like Japan, Germany, Switzerland and the United States are giving people tax breaks to employ solar power for their houses or businesses. Many private investors also discover the benefit of environmentall friendly energy and solar collection so they will keep on investing to ensure its future. As more and more individuals use solar power, the cost will continue to go down.