Facts about solar energy

silicon solar cells
About solar energy
silicon solar cells



Fact No1 solar energy is always there! Can you imagine world without sun! Impossible!


Fact No2 solar energy is free to use! Today’s technology gives us a power to use solar energy!


Fact No3 solar energy is clean! Using solar energy we can save our children future!


Fact No4 every single solar piece you buy and use makes you good guy!


Fact No5 we can use solar energy on active and passive way!


Fact No6 the human use of solar energy is not new! There is a short solar research history…


Fact No7 there are numerous government inventions about using solar energy and other renewable energy sources…


Fact No8 there is clearly a limit to fossil fuel. [Fossil fuel] resources and supplies are likely to peak around 2030 before declining slowly.


Fact No9 we have an obligation to act responsibly, and to protect our planet for future generations!


Fact No10 we must start transition from old to renewable energy right now!



There are many interesting about solar energy facts that describe sun nature. Knowing more about it will help you in making your choices about how to use it.


Solar energy is a term for describing a range of methods for obtaining energy from the sun.


Sun is 109 times bigger than the Earth. The sun’s radius being 696,000km and the Earth’s radius 6, 376km.


The sun’s average surface temperature is 5700 C .


The sun is about 150 million km from the Earth and is aged about 4.5 billion years.


Solar radiation reaches a unit of space near the Earth’s orbit at a rate of 1,366 W/m²


In North America for example the average power of the solar radiation is roughly between 125 and 375 W/m², that is between 3 and 9 kWh per m² per day.


Solar panels deliver only 19 to 56 W/m² or 0.45-1.35 kWh/m²/day of that average power. But that does not make solar energy inefficient!


The average solar energy falling on Australia is equivalent to about 15.000 (fifteen thousand!) times the nation’s present total energy use. At 15% conversion rate that is still more than 2000 times the present need, providing we could capture it all.


The energy output of a 1 KW solar energy unit is equivalent to the burning of 175 pounds of coal and 300 pounds of carbon dioxide being released into the atmosphere.


Bavaria Solarpark covers 25 hectares (62 acres) with 57,600 photovoltaic panels.


Mojave Desert in North America that houses the world's largest solar power plant. It covers 1000 acres (4 km²) of solar reflectors.


Israel is building a 100Mw solar power plant. It will supply more than 200,000 Israelis with electricity. There are further plans for an even more huge 500 Mw solar power plant, making Israel a solar energy leader - about solar energy



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