Before the energy efficiency of the panel is measured, the entire energy consumption needs of the house must be measured. Once that is done, the proper solar power panel efficiency can be comprehended. Researchers have discovered that of the entire solar energy hitting the solar power panels, only 20% is transformed into electrical energy. When this energy is used up by the appliances, the efficiency further falls and at times it is seen to be even as low as 5%. This is a problem faced by many people who have installed solar panels at homes. However, with research and review being done constantly, this problem is being tackled.
The above mentioned data has, of course, been derived from laboratory results. It is therefore important to remember that the results can vary as conditions in the lab and at home are often very different. Solar panel efficiency can be more at a lab or at home, depending on the amount of energy consumed, the conditions under which they are used and so on.
The solar power panel efficiency also depends on the manufacturing company of the panels. Some companies produce better quality panels and they have better efficiency and vice-versa. So while buying the solar cell panel, you have to be very careful and select a panel that will give you maximum efficiency. Do some market research, ask your friends who have already installed solar power panels in their homes and you will get a better idea. Go online and try to look for user testimonials as they prove to be very useful.
So if you want to asses the correct solar cell panel efficiency, keep the above mentioned tips in mind. You will be able to find the best solar panels with the highest efficiency. Solar energy is the future and if you are planning to shift to it, you surely are making the right decision!
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