Solar Power
Solar Power
Advantages of Solar Power Vs Disadvantages of Solar Power
Many households are considering of converting their home energy to be solar powered for the purpose of cutting down their electricity bills while saving our planet with this environmental friendly power source. But, not many are taking their action to make the real conversion to a solar-powered home because they are still doubt on the advantages of solar power that they can really get after the conversion while they do worry about the potential problems that may encountered after they make the conversion. Let briefly go through the advantages versus the disadvantages of solar power, so that you are cleared before you make your decision on whether to use solar-powered energy at home.
Advantages of Solar Power
Solar power is a renewable source generated from the sun, meaning that the solar energy source is never going to finish. So, we do not need to worry about we may jeopardy of the energy source if you over use it.
Solar power is environmental friendly energy source. Unlike oil, the use of solar energy will never causes green house effects or emits carcinogens into the air and causes the air pollution.
The sun is FREE. Unlike the traditional energy source which you need to pay more if you use more, there is not limit on how much you can use the energy generated from solar power, and you do not need to think of the electricity cost when you use a solar-powered energy generator, because the sun is FOC (Free of Charge).
Little maintenance cost on solar power system. Solar cells can last for a lifetime and because there are no moving parts, it needs very little maintenance. You do not really need to allocate significant budget for it maintenance cost.
Disadvantages of Solar Power
The key stopping factor that makes most of people who are interested to install solar power system is the total cost is expensive. A solar power system that provides enough energy to power an average sized home can cost anywhere from $6,000 to $20,000. Seeing the potential market demand on solar power system, the industries with continue research efforts are trying to reduce the material costs. Moreover, there are many simple-to-follow DIY instruction manuals had been made published to teach people how to build their own solar power system using cheap materials which can be found at local market.
The solar power can be generated without sunlight, which means the power cannot be created at night, during rain and winter season when sun is hiding behind the cloud. This had been one of key discouragement of using solar power as the alternative power solution.
If you build the solar panel at the roof of your home, it becomes part of the house. You may need to sell it together with your house if you decide to move to a new home. And you need to reinstall the solar power system at your new home.
Summary
You should clearly understand of both the advantages and the disadvantages of solar power system before you go ahead to convert your home to be solar-powered so that you can really benefited from the advantages of solar power while handling the disadvantages of solar power to minimize the impacts.
About the Author
Dave Stilman, the author warns you not to buy any of Renewable Home Energy Guide without reading the important review at http://www.wind-solar-power.info.
How do I calculate for much solar power I require for my new shed?
I am trying to work out how many solar panels I require to power my shed and am unsure how to work it out.
Firs you must know how many kWhr/day do you plan on using in the shed.
This info can be found on your power bill, or by multiplying each power device's Watts x Hours of use per day, then dividing by 1000 to get kWhr. The sum of all the devices kWhr/day is your useage.
(ex. 800W device x 2hr/day /1000 = 1.6kWhr/day + 900W device x 6hr/day /1000 = 5.4kWhr/day = 7kWhr/day)
Take your usage and divide by 5 sun hrs /day. This the annual average in the mid latitude united states. Latitude: 43.6
(ex 7kWhr/day / 5hr/day = 1.4kW)
The number you get is the solar panel array size that is required to meet you demand.
Since the calculation is base on an average, this array size will work when grid tied. However, if you are off grid you will require batteries and twice as many panels. (ex 1.4kW x 2 = 2.8kW)
Hope that helps!
For more information:
http://www.aurorapower.net/alternative-energy/solar-electric.aspx
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