Solar Energy
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Solar Energy
Solar Energy Facts | the Future of Australian Homes and Cities
If you compare the dimension of the earth to the sun, you can comfortably fit over 1 million Earths inside it! If you are fascinated by the force of the earth's gravity then beware of the colossal sun's gravitational pull; the enormous pressure pulverises molecules, breaking them up into smaller components, and this breakdown produces a great deal of energy combined with other molecular components, which reaches the earth in 8.3 minutes in the form of sunlight. – Then the magic starts!
The sunlight carries two types of energy; the 1st is the light energy, which can then be manipulated by the solar panels to produce electricity, and the 2nd is heat energy which used by the solar hot water systems to produce a continuous flow of hot water.
The major challenge that we face with solar energy is that the sunlight isn't available for 24 hours and even in the daytime continuous supply isn't guaranteed, due to many factors. However countries like Australia are blessed with more than enough sunlight strength to provide useful energy production in summer even on cloudy days. The growth of solar technology has been rapid; if you turn your clock back a few decades ago, harnessing the sun's energy wasn't possible in any way, but today we have solar PV technology as the prime carrier of solar energy's viability.
Australia is one of the leading nations in solar technological advances. Not only do we have perfect climatic conditions, but also the geographical capabilities and knowledge; Australia gave birth to the top solar scientist in world! But one major disadvantage to our widespread use of solar technology was the very size of our country and the logistical difficulties to overcome because of that, and so our earlier advancements got bogged down due to financial difficulties and other countries soon overtook us.
Fortunately though in the last couple of years extensive Government funding combined with technological breakthroughs has made solar energy much cheaper to obtain and so more accessible to every householder. Also rapid improvements in manufacturing technology means it's now possible to have much better power generation from the same size of panel system, so that an average roof space is more likely to be able to produce enough power to cover a considerable portion of your existing electricity bill.
Aside from household Solar use becoming more and more widespread, the really exciting news for both our environment and the Australian economy are the large commercial aspects now being pursued; huge scale commercial solar power parks are being established in an attempt to generate the massive clean energy production necessary for large corporations to be able to bypass our dependence on traditional fossil fuel "dirty" energy sources, mainly coal.
This is where the proposed Carbon Tax will be hugely influential as it is designed to make it cheaper for industry and corporations to purchase clean renewable solar energy using "Solar Credits" then to continue to use electricity produced via dirty energy…….we will have to wait and see exactly what happens in Parliament for that one, but certainly this scheme or something similar seems the only likely way for Australia to meet their emission target requirements for 2020.
About the Author
Premier Solar is committed to being Australia's leading Solar Power & Renewable Energy solutions provider for both homes and medium to large scale commercial solar projects. We are specialists in effective and affordable solar PV panel System design and use only fully certified installers and product components which pass all government standards and certifications, to enable our customers to access full discounts and rebates, as well enjoy the peace of mind of 25 year warranties from long established manufacturers.
When solar energy is available in abundance why we rely on oil and other alternative?
Why can solar energy be not used everywhere? Is it very expensive to tap it?
Solar energy is (or was) very expensive, yes. That is changing. current costs versus long term power production are falling, however. At present, the cost is borderline.
However, solar energy alone is not a complete answer. First of all, for the production of electricity, it has some problems. The main one, of course, is tha tit doesn't work at night. You either need a storage system (batteries) or an alternative source when it's dark or cloudy.
There are alternatives which, combined with solar energy, can replace coal. Wind, existing hydroelectric systems, nuclear energy, and tidal power are some of them.
Myy point is, don't fall into thhe trap of fixating on a single all-encompassing cure-all technology. We need a mix of technologies. That's true today--we use coal, oil, nuclear, hydroelectric, and other sources--a mix of technologies to provide our energy needs. We need to change themix--eliminating fossil fuels and incorporating new technologies to replace those fossil fuels. There is no simple solution.
Now-as to oil--it is used primarily for transportation. In some ways it is ideal: its easy to store and the fuel stores the energy, whichis released when it's burned.
There are alternatives. The one I think the most practical is to use electric cars. Current technology makes electric cars with performance and adequate range possible at prices comparable to gas-powered cars (once they are produced in large numbers as gas-powered cars are). That's acutally a solved problem. What we do not have is a way of producing the electricity to power all those cars (without buring oil or coal, which defeats the purpose) at present. For that--go back to the first part of this post.
But we also do not have a practical infrastructure to deliver that electricity to a fleet of 150 millioncars (in the US). That is not a trivial problem. Think of what it takes to deliver a gallon of gas from an oil well to your car. Here's the sequence. Oil well to pipeline (hundreds of miles) to refinery to another pipeline to atanker truck to an gas storage tank under a gas station and then a pump to take the gas out o fthe tank and deliver it to your car.
And remember, you need tha tinfrastructure so comprehensive that it blankets an entire CONTINENT.
You will need the samme for electric cars (or any other alternative).
I don't mean to discourage you--this is doable. We DID do jsut that in the early 20th century to make our current system of gs-driven cars possible. But that took decades--and a hellava lot of engineering and research.
But--as to your question--we wil get solar power on a large scale in the foreseeable future. But we will need a lot more. It's a complex problem--and a big one.
solar energy