- Renewable & Alternative Energy
The Best Green Energy Systems are Solar Panels
Solar panels are made up of an array of solar cells. Each solar cell works by releasing an electron whenever the sunlight is absorbed. Solar cells are also called photovoltaic cells. They are made from silicon semiconductors. Solar cells work by causing electrons to flow in one particular direction. The electron flow is normally directed out of the solar panel towards the batteries or the appliances. The solar panel system is one of the best green energy systems.
The main components of a solar panel system are:
- Solar Panel: consist of an array of solar cells
- Inverter: This converts the energy flow from DC to AC for use with AC appliances or batteries
- Batteries: Stores the energy
- Charge Controller: regulates the directional flow of the electrons
The benefits of solar energy compared to other conventional and green energy systems are vast. Solar energy systems have zero emissions. It is a sustainable and renewable energy system. Solar panels are set and play technology, meaning that it requires very little maintenance. Solar cells work as non-moving parts which do not decay. There is also no emissions or noises. The impact on the environment is practically zero.
Another advantage of solar panel systems is the rebates or tax credits that government and utility companies now provide. There is also the possibility of selling excess green energy to the power distributors via the power lines.
The cost of owning a solar panel system all boils down to a one time initial investment. The cost of maintaining a solar system may only occur every five years or so and depends on the quality of the components that were bought in the first place. Remember that green energy systems are long term investments. The size and components of the solar panel needed has to be calculated first before buying a solar panel. The appliances and KWH used has to be taken into consideration.
The average American home uses 958 KWH per month. This would require 100 sq. ft. of solar panels. The cost of owning all the necessary components including installation would approximately be around $10,000 to secure 958 KWH per month . It should be easy to setup this renewable energy system. This would have a payback period of 10 years, after that your green energy system is practically free.
reference @ U.S. Energy Information Administration
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