| Are Fossil fuels forever? | | | | to electricity. The sort of electricity you get is called |
| Fossil fuel is finite. That means it would not last forever. | | | | direct current or D.C. This has to be converted to |
| There is only so much oil that can be pumped out of | | | | alternating current, or A.C, before you can use it to |
| the ground or seabed. Burning fossil fuel releases | | | | power your toaster and washing machine. There is an |
| harsh pollutants into the environment. You can | | | | inverter that does the job for you. So that means solar |
| contribute to environment conservation by using cheap | | | | power efficiency from solar panels becomes very |
| solar energy. But I have heard many complaints about | | | | much reduced due to the electricity conversion |
| solar energy efficiency. | | | | process. |
| Engineering Solar Energy | | | | Scientists argue that the maximum efficiency you can |
| You can basically tap into the sun energy in one of | | | | get from present day technology for silicon based |
| two ways: convert sunlight into electricity or collect the | | | | solar panels is only 40%. Therefore, to get the highest |
| sun heat for heating purposes. The solar thermal | | | | amount of returns from your solar energy systems, |
| approach to solar energy reflects the sun heat from | | | | you should use passive solar heating techniques |
| mirrors onto a pipe filled with fluid. As the fluid heats up, | | | | coupled with direct sunlight for day lighting in your |
| it can boil water to supply your home. On the other | | | | home. By using the highest efficiency level solar panels |
| hand, photovoltaic cells or solar panels utilize silicon as | | | | for your other energy requirements such as household |
| a semiconductor to absorb the sun rays and produce | | | | appliances you can maximize solar power efficiency. |
| electricity. | | | | Solar Power Efficiency Rates |
| There have been plenty of advances in engineering | | | | Although many folks have switched to using solar |
| that have boosted solar power efficiency. Solar | | | | panels and solar water heating systems, current solar |
| thermal power is about 30% efficient in converting the | | | | power efficiency rates mean that solar power can |
| heat of the sun into electricity. This is double the | | | | only provide about 70% of the energy requirements of |
| efficiency of solar panels. So that makes solar thermal | | | | your household. Despite the ability of storing energy in |
| systems a lot cheaper than solar panels. But the solar | | | | batteries, you can not rely on solar energy during |
| dishes have to be very large to capture enough | | | | prolonged periods of cold weather with weak sunshine. |
| sunlight to concentrate for heating. That is definitely not | | | | So you should also be connected to a utility network |
| practical for your home. That is why most houses use | | | | that provides you with power at the flick of a switch. |
| compact solar panels instead. | | | | Right, so here is what you should do now... if your solar |
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