In India, especially in Kerala, where a large number of people are trying to make use of solar power, it is natural for consumers to get confused when they see advertisements making various kinds of false claims on a daily basis. Apart from financial loss, if not selected properly the solar power plants that are reasonably priced, can also result in loss of good rooftop space. Choosing a solar power plant requires knowing only some basic principles and calculations. But before buying a solar power plant one must have a clear understanding of why one is buying solar power. If you are thinking of buying solar power plant only to save electricity bill, then it is not a right decision. Because the money you save for the solar plant can be paid by the interest earned from depositing it in any cooperative bank. But, if a solar power plant is installed, in Kerala where electricity is not available most of t...