Solar panels can be used for different applications like remote power systems for cabins, remote sensing, telecommunications equipment and to produce electricity for commercial and residential panel systems. The History The development of the solar energy began more than a century ago. During the early days, solar power was used mainly to produce steam for drive machinery. Determine the method of payment, the method of shipment and when you expect the goods to arrive. Usually, it should take no more than 7 to 10 days for your stocks to arrive. Other states may only expect 3 days to get their package. Starting Out First, cut a couple of rectangular copper sheets. Each should be about the size of a stove burner. Budget is vital so that you do not go overboard and overspend on things that you do not truly need. You should also consider the gadgets and devices that will be powered via solar means. Longevity A well-maintained solar energy system will last for 30 years if you keep it properly. Other setups may only last for a number of months or weeks at most if external conditions are very harsh or can damage the material easily. It is a device that readily converts light into electric current via the photoelectric effect. The device is based on the discovery of Alexandre-Edmond Becquerel who realized that a number of materials let go of electrons when these hit rays of photos straight from light, causing an electrical current. It is a very economical way of getting energy needed for different household tools and devices such as lighting, power tools, appliances and other gadgets. You can save more in the next few decades by investing in solar power. You have to know the different types of setups and the things you need to consider before you choose to purchase and install. The Solar Array The solar array is made of hundreds of photovoltaic solar cells that transform sunlight into electricity. To build an array, the PV cells have to be packed together to form modules that are positioned together to create an array. The bigger arrays can create more than 2 kilowatts or 2.6 hp of power.