You should visit some of the manufacturer web sites to determine the process and the ways how their solar panels are built. You should also read about the background of the company and what their objectives are in making these pieces. You should read more about installation to check if you want to install or build the panels yourself or hire a professional. The receiver is described as a tube positioned right over the middle of the parabolic mirror and filled with a working fluid. The reflector is created to follow the sun during the daylight hours by tracking right along a lone axis. Parabolic trough systems give the best land-use factor among all solar technologies. Letting the Solar Panels Work Solar panels can gather clean renewable energy in sunlight form that will be converted into electricity. The average home has adequate roof area to let solar panels gather enough sun to be converted into DC current or AC current. Solar panel arrays can be sized to meet big requirements. There are a couple of types in this category - passive solar energy and active solar energy. Passive solar energy describes the harnessing of the energy of the sun without the need for mechanical devices. You can use windows that face south to give you natural light and additional heat for the home. There are many solar applications that a homeowner can rely on to get the most benefits out of passive solar energy like passive cooling, passive solar heating and daylighting. Certain solar energy systems provide you with different advantages and benefits depending on what you intend to use them on. Solar Energy Benefits One of the main advantages and benefits of using solar energy is that it uses one of the best sources for renewable and clean energy, which is the sun. The sun is known produce solar energy that is over 10,000 the energy that our planet could produce. The energy is acquired from solar panels on the surface or the top of the vehicle. PV or photovoltaic cells change the energy of the sun straight into electrical energy. Solar cars are not used as day-to-day transportation devices currently. These are still used in engineering trials and demonstration practices, usually sponsored by private or government agenices.