Why Solar Energy Panels Will Be On Your Roof Soon

The first solar panels were developed in the 1960′s and when we first heard about them it was remarkable that his discovery could extract energy from the sun and convert it to electricity. Yet it is only now that we are starting to hear about solar panel installations on lots of new buildings when they are constructed. The energy available from the sun is consistently available every day and it is free and by using the photovoltaic technology in solar collecting panels when the solar panels are installed we get free electricity. People do wonder why this hasn’t happened a long time ago and the answer is that it is all about the cost of the equipment needed and the balance of free electricity compared to the cost of the installation. Some of the best solar panels have an efficiency rating that continues to be improved year on year as development work continues to improve on the materials used in manufacture. The photovoltaic panels used are constructed using several different layers of very thin films of materials which together convert the suns energy to electricity. The efficiency of those early pioneers of solar energy panels was not so good and could take up to twenty years for the savings on electrical power costs for the user to recover the original installation cost and to begin making a profit. The technology of solar panels and the photovoltaic cells used in their construction is much improved so now the time taken to recover the cost of the panels is a lot less than before and now is around ten years at current prices. A solar panel installation has one great benefit over other energy systems after the installation there are no further costs and you get free electricity every day and you can ignore any future price increases in the cost of electricity. The years of research and development in solar energy panel technology have led to the greater efficiency increases while the cost of the panels comes down leading to solar panels being able to provide an economically viable alternative energy supply.