Solar Panels For Your Roof

December 11, 2009 by J Bobyn  
Filed under Uncategorized

For homeowners who are thinking about making the switch to a solar power system, there are a few important things to think about beforehand.  There are many varieties of roof solar panels on the market today, and some may be better than others for you depending on what you’re looking for.

One feature that all roof solar panels have in common is that, as a result of their design, the solar cells within the panels get as much sunlight exposure for as long as possible.  Solar cells, when struck by sunlight, produce DC electricity.  By wiring together the necessary number of solar cells, it’s possible to produce any amount of voltage.  After it’s produced, the DC electricity is sent to an inverter, which then turns it into AC electricity so that it can be used in the home.  If there is any unused power, it can be sent back to the power grid.  When this happens, the electric meter is reversed, and the power company will provide a credit for the power sent.  For the times when the roof solar panels aren’t generating electricity, such as at night, the homeowner has two options.  One way to have power to use in the dark is to use batteries, which are powered by the solar panels while they are generating power. If you want to know more about batteries, go to Solar Power Battery.

 

The other option is to have the inverter switch back to the power grid at those points at which the panels aren’t providing sufficient power.  The battery bank option does involve some initial cost, but it’s a more affordable solution over the long term. If you are interested to learn about the different types of power inverters, check out Solar Power Inverter.

Since a solar power system is a serious investment, it’s important that every choice is the right one, and going with the right roof solar panels is one of the most crucial of all.  Some work more efficiently than others.  With the same amount of sunlight exposure, two different roof solar panels may produce vastly different amounts of power.  A system with efficient solar panels will be able to produce the same amount of power with fewer panels.

Reliability is also important.  The durability of the enclosure can be a concern.  The enclosures are important because they protect the solar cells.  If the enclosure isn’t well made, it won’t be able to guard the cells from all of the dangers it will likely be exposed to.  If cells are damaged repeatedly, the cost of replacing them can quickly add up.  Solar cells themselves can have varying levels of durability.

Solar cells differ in how they’re made and, as a result, the benefits they offer.  The two main types of solar cells are monocrystalline cells and polycrystalline cells.  Of these two, the superior one in terms of quality is the monocrystalline solar cell.  Monocrystalline cells are more efficient and durable.  Monocrystalline cells are worth the increased cost for these reasons.  If you want to learn about solar cell efficiency, check out Solar Cell Efficiency.

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