These systems are mainly used to power RV, lighting, backup power systems, portable power systems and cabins. The size of the array of photovoltaics or the number of solar panels, as well as the battery will rely on the individual power requirements. The solar panels charge the battery during daylight periods and the battery will provide power to the inverter whenever required. CSP is done by using the energy of the sun to focus and boil water which will eventually create solar power. Solar power has the capacity to give more than 1000 times the total world energy consumption back in 2008. However, solar power only comprised 0.02% of the total in 2008. If solar power will be used double every 2 to 3 years, it can become the dominate source of energy for the century. There are actually a number of different solar energy systems that are available in the market today. Since solar energy has become more common and more viable in the recent years, developers have begun to develop different solar energy systems that you can choose from, depending on your needs and limitations. It is described as the use of natural light to illuminate the house. Good daylighting provides the right light to all your rooms, while minimizing costs in utilities and electricity. You can daylight the house well by sizing and positioning the windows so that natural light freely enters the home. You should also use exterior shading that will diffuse the light. Will ordering online be easy and convenient? Are there agencies or professionals who can offer reliable and quality services to install and maintain the solar cell panels. Are the materials affordable and of good quality? These are some questions you need to consider to get the best deals. Ordering online will depend on your location and the mode of transportation. The Solar Vehicle A solar vehicle is defined as an electric vehicle that is powered mainly by solar energy. 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.