How Efficient is Solar Power?

You may be in a situation of considering the use of aeffect, your electricity may not be enough for all your
solar power system in your home because you knowappliances. Hence, it is critical not to be very particular
that this is more efficient than using the conventionalabout cost in having your solar power installed. The
energy source. However, you may be thinking at howcost is directly proportional to the number of panels
efficient solar power is at the technical level. You havethat will be installed.
to note that the efficiency rating of using solar powerIf you are very much concerned about the efficiency
can range from 5% to 15% but it can even increase torating of the photovoltaic cells, you can choose
40%. This level is enough for the amount of powermonocrystalline panels for your solar panels. This is the
that you need for your home.more efficient type and they are smaller. This means
The number of solar panels that you need for yourthey take a smaller space and with a limited roof
home is determined by the total output wattage that isspace, you can maximize the space with the smaller
required to supply the needed electricity. The solarmonocrystalline panels. The only trade off compared
panels have their rating capacities indicated. If a solarto other types is that they are more expensive.
panel or cell indicates a capacity of 100 watts, thisIt is very important to calculate your energy
meant that it will output 100 watts of electricity in therequirements before deciding on the specific solar
best solar power system condition. A simplepower system that you will use. This can be a basis
computation will lead you to need 10 solar panels for afor the most appropriate choice among the different
requirement of 1 kilowatt per hour of electricity.types of solar panels. You can also find good suppliers
Normally, solar panels are available at a capacityor providers and you can compare their rates and
between 30 to 205 watts. With some calculations, youservices. It is also important to be meticulous about
will be able to derive the number of panels you needspecifications because these determine the difference
for your household consumption.in the prices.
The available roof space has its role in making thingsThe other factors that can affect the efficiency of
possible for you. The size of the roof determines thesolar power system include the maintenance work
number of panels that can be installed and since thethat is done on the solar panels, the amount of sunlight
solar panels determine the amount of electricity thatthat is absorbed and how the sunlight is transferred.
can be supplied to your household, it follows that theThese are general factors that can affect the
less number of solar panels, the lower the level ofefficiency of a solar power system.
electricity that can be supplied to your home. As an