solar panel cost- essential facts about solar panels.

A solar panel mounted on the roof consists of an inverter to convert electricity produced by the panel system from DC into AC energy. Solar panel cost also has a rectifier which is basically used to change AC to DC and back again to get most out of the system. There is a charge controller which prevents the overcharging the battery along with a junction box that connects the solar panel wiring  to the breaker panel on the home.

A junction box basically connects the solar panel wiring to the breaker panel on the home front and it is used for back up power supply from a generator. There is a power meter that displays the amount of power used, produced and stored in the battery bank. A disconnect switch is used to prevent islanding during power outages.

Let me remind you that the power produced by a solar electric system solar panel are assigned a rating in watts which is based on the maximum power they produce under ideal sun and temperature conditions. The exact amount of energy produced by a solar electric system panel depends on the roof orientation along with the tilt and other factors like shading, dust panels conversion and wire losses.

Now if you are planning to repair or replace your roof then I must say that this is the perfect time to purchase a solar electric system or solar panels if you want your roofing material to last as long as your solar panel system. At the end of the day the power requirement of your home along with the roof type and solar resources will determine the type and size of the solar panel system.

A solar panel system works in all climates by producing electricity by changing the photons in sunlight. So when you are purchasing a solar electric panel then the right choice will depend on the amount of sunlight your house receives and your budget. You also need to keep an account of how much conventional power you want and how much room you have on your roof or in your yard where the solar panel will be mounted.

So at the end of the day you need to choose your homes power requirements, roof type and solar resources in order to determine the type and size of the solar panels. Thus before purchasing solar panels which are basically a solar electric system a homeowner needs to determine available roof space and other conditions.

For maximum performance a solar electric system or solar panel requires 100 square feet of south facing roof for every kilowatt of electricity produced. Now if your house does not face south then you can still use your solar panel but the performance will be dismal in nature.

Let me inform you that roof tilt is very important to capture the path of the sun but in reality the requirement varies with location. So make sure that your solar vendor and installer should be able to calculate the proper tilt which is based on the solar resources for your area that is the amount of sunlight your area receives.

If a south facing roof is not available then you can very well install your solar panel or solar electric system on your garage roof, window awnings and porch coverings. In general solar panels are usually roof mounted but if someone has shortage of roof space then they can be integrated into roof shingles and tiles.

Let me warn you that if your roof is more than 15 years old then you should consider replacing it before you purchase your solar electric system. I personally know most solar vendors who recommend solar panel cost using roofing materials that lasts as long as your solar panel system. Now if you want to know more about solar panels then please visit here.