If you’re intrigued by the concept of using free green electricity to run your home and want to get an array of solar panels installed among the primary things you must be aware of is the amount of solar panels you require.

There are a myriad of factors that will determine the amount you’ll require in addition to the amount you’ll be able to afford. One of these is how your electricity consumption goal calculation (how many watts of energy do your household appliances and gadgets require to function) and the amount of money you have to work with and the kind of solar panel you’re employing.

Additionally, based on whether you’re contemplating purchasing a high-tech solar array or contemplating making your own panels using cheaper materials, the cost could differ. So, the amount of solar panels that you can create as part of an array might differ, as well as their performance may also need to be evaluated.

Calculating Energy Consumption

If you are trying to figure out the exact number of solar panels you will require for your home, it is important to evaluate the amount of energy that solar panels can offerand then examine it in relation to the value that you need. Consider that a typical household consumes around 8000-9000 KWH on a regular basis and that the $300 solar panels with a good quality will only deliver between 100 and 200 watts of power so the amount of panels needed to power your home could be substantial.

However, based on your requirements and preferences, you may not require the same amount of energy every day. Particularly if you’re environmentally conscious and are able to select appliances that offer more functionality and consume lesser energy. You may be able to cut this amount to a quarter, or even lower.

Additionally, if you decide to construct your own solar panel you may find that cost of manufacturing can be reduced to less than $200 for a 36-cell solar panel. Based on the quality of your DIY solar array, you’ll require thirty or forty panels for enough power to power the entire house.

The number could be excessive however it could be reduced if you want to utilize a different form of energy source, like wind energy. This will provide you with an extra source of energy on cloudy or rainy days, where solar panels aren’t operating in the same way, and cut down the requirement for panels by the half or smaller.

Be careful when choosing a solar panel, since different types of solar cells offer different amounts of energy. You can determine the amount of energy produced but after building your solar panel at home you should measure the voltage and current it generates, and then multiply them to get the watts value. This means that an extremely small, 6-amp solar panel producing 12 volts, for example is able to provide around 72 watts.

A poor solar panel will not offer you too much power However, the good news is there’s a lot of low-cost panels available that provide twice or more the power and you won’t have to pay anything more than 300-400 dollar for one. A solar array comprised up of between 10 and 20 panels could make an attractive option in the case of the power of a lot of low-energy appliances or devices.

Different Solar Panel Types

The speed and effectiveness with solar cells’ capacity convert the sun’s energy into electricity is a factor in determining the number of solar panels you’ll require.

When it comes to panels with single crystal solar cells like the amount of sunlight required to produce a particular quantity of power is significantly smaller than of polycrystalline or thin film cells.

In 2010 a company that produces high-quality monocrystalline solar panels managed to surpass the world record in solar energy efficiency. It produced solar cells that transform more than 24 percent of sun’s rays into electrical energy usable.

Researchers have even suggested that in the next couple of years, it might be possible to make monocrystalline solar cells capable of going beyond 30 percent or 40 percent mark, significantly increasing the efficiency of these solar cells as well as of solar energy as a whole.

An excellent illustration of the energy efficiency solar panels provide is that a solar panel with the total of 36 monocrystalline cells will typically generate between 100 and 130 watts. That means that, if you wish to achieve 1 one kw (1000 watts) then you’ll need approximately 10 panels. Depending on the grade and the brand of the panels, prices could range from $3000 to $5000 for this kind of plan.

Contrary to these findings technology based on polycrystalline cells can barely achieve the limit of 20 percent today and thin film-based technologies are only able to provide 15 to 17 percent effectiveness.

These numbers might conclude the superiority of technology in monocrystalline PV cells but they don’t suggest that the best choice is to buy these panels. There is no doubt that you’ll not require as many panels to get an average output of 1-to-3 kw, in this case However, the issue lies in the fact that, for every monocrystalline panel you purchase the higher the price increase.

It is also possible to choose less efficiency in energy use and a lower price for you to cut costs. In this respect polycrystalline solar cells are superior as they’re not as fragile than thin film-based technologies and they are a bit less costly than monocrystalline solar cells.

Budget Issues

Everyone is considering budget concerns when buying or building solar panels. Solar panels made by hand are certainly more affordable, but the quality difference could be significant in addition to the fact that you’ll have to invest a lot of effort into it, if wish your new solar panels to work effectively.

If you choose to purchase solar panels in the end you already have the data required to figure out how much power it can produce and how reliable it is. With a few simple calculations that you can calculate precisely how many gadgets you require to achieve your energy goal.

The biggest issue here is the sheer number of companies that offer different types of solar panels built on many different technologies. This means that you could have a hard choice between them and will need browse through a variety of websites to learn what the opinions of previous buyers are about any specific product.

Many people believe that a range of $3000-$8000 is enough to build an efficient solar panel array. However it is possible that the number could increase dependent on the needs of your business and the type of technology you wish to utilize. The good news is that most manufacturers are beginning to create better technology that will permit people to purchase better solar panels at much lower prices.

It is important to consider all choices into consideration, however you should avoid sticking to certain brands solely because they are able to offer the “catchier” marketing agenda. In the end, the figures will reveal all you require to know, and you’ll be able make your own opinion on the kinds of panels to purchase, and how many you’ll require.

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