The utility connection for a PV solar system is governed by the National Electrical Code (NEC) Article 690.64. The purpose of this article is to give you a basic understanding of the concepts and rules for connecting a solar panel system to the utility grid and the household electrical box or meter. A key example of this is on satellites.Here are design tips for methods of PV system utility interconnection. The technology can be used to generate electricity relatively quickly and cheaply in comparison to traditional power supplies.įor a more in-depth list of the advantages and disadvantages of solar energy, check out our page covering the pros and cons of solar energy.Ī remote solar panel system can provide electricity for vital tasks where the installation of electrical cables is not practical or even impossible. Solar energy has a huge advantage when it comes to providing electricity in remote locations. Installing the right number of solar cells for this purpose can however be a very expensive option. Swimming pools can make use of solar thermal energy to heat the water. This technology, known as solar thermal energy is becoming increasingly popular around the world. This process is commonly referred to as ‘net metering’ in the United States and other countries.īy using a different design of solar panel, they can even be used to heat water. Some owners of solar panels even have their systems hooked up to their national electricity network so they can sell back any leftover electricity. This allows the electricity to be stored for later use. The electricity generated by a solar panel can also be used to charge batteries. This helps to reduce the amount of electricity that might be required from other sources, possibly non-renewable sources. The final destination depends on how you plan to use the energy harnessed by your solar cells.Ī common use of solar electricity is to incorporate it into an existing power supply. Using Electricity From Solar PanelsĪs the solar panel diagram shows, you can see how power is sourced out to various locations. This only helps to assert their position as a viable alternative to fossil fuels when it comes to electricity production. Technological breakthroughs continue to improve the efficiency of solar panels. Once these photons reach the solar panel, they are absorbed by the silicon material, and this allows electrons to be knocked off their orbit.Īs electrons are knocked off their orbit, they become what’s known as ‘free electrons’ which are able to pick up a current, resulting in the flow of electricity to external sources. The Theory Behind The Solar Panel DiagramĪs you can see from the above diagram of a solar panel, photons are contained within the suns rays and beam down to earth. This energy can be used for heating, through the use of solar hot water panels, or electricity through the use of regular solar cells. In the diagram above, you can see how a solar panel converts sunlight into energy to provide electricity for a range of appliances. If you need access to a wiring plan, you should consult a specialist electrician or solar installer. The below image is not a solar panel wiring diagram. Our solar panel diagram shows how solar energy is converted into electricity through the use of a silicon cell.
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