The efficiency of a solar panel is defined as the amount of energy lost between the energy received by the solar panel and the energy converted by the panel. There aren?t any solar panels that are one hundred percent efficient. When reviewing the company you are interested in purchasing panels from you want to look at the high efficiency rate. To compare efficiencies of different panels, look at each panel and compare the volume of water that the panel can heat to that temperature in a given amount of time. This will give you the comparative efficiency of the panels you are looking at.
Generally, with panels that contain photovoltaic cells, the larger the panel is, the larger the output of electric power the panel has. The quality the cells within the panel will also decide the output. Buying a panel you should also look at if it has a lifetime warranty and at least a 13% efficiency rate. This will protect you and your panels in case anything happens after six months or a year.
Always try to buy a panel with a lifetime warranty. The longer the warranty you have the better protection towards your investment if something bad happens. Most solar panel companies will replace your panels due to sun damage, hail damage and even if the neighbor kid hits a baseball on your roof. If you live in a high wind area, it would be a good idea to question the strength of the racks the panels are going to be attached to and how strong of a wind force they can with stand. You wouldn?t want your panels flying off in a wind storm! It is just as important to know how your warranty works before you purchase any solar panels.
When you?re buying a solar panel, remember that there is a difference between all cells and all panels. Cells are two small plates of poly or mono crystalline silicon. These semi conductive plates are positively and negatively charged to allow for energy flow to occur between and across them. There are many cells in each individual panel. The cells are joined electrically, and each cell converts a little bit of the sunlight that falls on the panel. The panel is usually covered in glass and encased in a metal frame to protect the cells from damage. Mono crystalline cells are much more efficient than poly crystalline cells. They are also much more expensive. Most homeowners choose to buy poly crystalline cell panels because they are more affordable.
I recently realized that there is a huge market for Arizona solar power and has been spreading all over the country. It shouldn?t just stop in Arizona and other mostly sunny states year around, but used all around the world. I?ve met with a Phoenix solar company recently and went over the costs and everything I am sharing with you today. I learned a lot about the structure of placement with solar panels as well as the re-usable resource they bring to the table.
Article Source: http://EzineArticles.com/?expert=Lexe_Charleston
Tags: Panels, Shopping, Solar, Terms ?
Source: http://news-society.co.cc/3-terms-to-know-when-you-are-shopping-for-solar-panels-2/
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