Bend each sheet outward so that no part of the two sheets will stay in contact with each other. It is important that you clip one of the available alligator leads to the top of each sheet to connect these to the meter. The positive terminal of the meter must link to the uncooked sheet. The negative terminal must link to the cooked sheet. The heat energy is moved to a fluid, air or water that will flow through the collector. This will ensure if the system is air-based or liquid-based. Solar energy storage can be done using thermal mass or water tanks for liquid based systems. Air-based systems will have to rely on rock bins to contain the heated air. Another problem that solar energy systems would encounter would be the integration and retro-fitting of these solar energy systems to the different houses and structures that are already constructed without any solar energy system incorporated in them. Solar Energy in the Future The future of solar energy appears to be gearing towards the better, especially since there are a lot of research and developments that are being done by different researchers and scientists, all focused on finding ways to improve alternative energy systems and technology. The solar panel was then created afterwards. Russel Ohl is an American inventor who used to work for Bell Laboratories. He patented the first silicon solar cell in the world in 1941. The first solar panel was produced by the same company in 1954 because of Ohl's creation. The new solar panels were used first in space satellites. Knowing the categories will help you determine if it is wise to pick a certain system or not. Here is some more info. The First Category The first way to view solar energy will depend on how the energy is transformed into useful energy. There are a couple of types in this category - passive solar energy and active solar energy. 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. If you think that setting up and maintaining the system will be difficult, it might be better to wait until the technology is more rampant in your area. About Budget Solar cell systems are generally costly in the beginning.