June 17, 2008

The Pros and Cons of Using Solar Power

by Adrian Fletcher

Using renewable energy resources is making sense to many people as they become more aware of the environmental consequences of fossil fuels and the rising inflation of fuels like coal and oil due to scarcity or political problems. One form of renewable energy is solar power. This article will touch on the advantages and disadvantages of using solar power.

Solar thermal and light energy can be used to provide our homes with power. Solar light energy is used in many portable devices. A major advantage of such systems is that they are clean systems. The energy comes from the sun, so there is no need to excavate and process the raw materials to create a usable energy resource.

Using such systems also cuts down on pollution. It does not contribute to the greenhouse gas emissions. It does not pollute the water supply.

Solar power systems can be expected to last a long time. They are tough-wearing and sturdy. They have to be built to last so that owners can recoup their investments. It turns out that solar power systems last much longer than that.

The costs for maintaining a solar power system are very low. Some components of the system may last decades without any maintenance at all. Solar panels are often warranted to maintain 80% of their efficiency for up to 25 years. Other parts will need to be replaced sooner, but if all goes well there should be no maintenance costs at all for the first five years.

A solar power system in the home is fairly straightforward to run for the home owner. In most cases, where solar power is generated by a grid tie in system all the work is done by the utility company.

However there are also negative aspect of solar power. When creating solar power systems for the home, the initial up front cost can be high. This can put a lot of people off and stick with the status quo. However, if they can afford this up front cost they may be eligible for government or state rebates. They should also recoup the initial costs over the operational lifetime of the system.

Despite the costs, possibly the biggest potential problem with solar power is the reliability. solar power systems are not useful in locations that are always cloudy or don’t get much sunlight throughout the year. And of course, it doesn’t create any power at night when there is no sunlight.

To this extent, many governments are not keen on large scale solar energy plants to power towns and cities and see nuclear power as a better option because it is viewed as more reliable (which many people may dispute).

Given that efficiency of solar cells should increase and the costs will come down, it makes a lot of sense to get a solar panel for your home. There should be a fall back system because of the reliability issue. Most people go for a grid tie system whereby they keep grid power and sell their solar power to the utility company, thus getting a discount or cheaper utility bills. This is a stress free way of using solar power.

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