Solar energy is a type of energy which we get from thesun.

This energy is produced only from the sun by sunlight and heat.It is aneternal source of power.Now-a-days,people are using solar energy in differentphases of life all over the world.But at the beginning of the humancivilization,when coal or fossil fuels were not available,solar energy was theonly source of power.They used to make fire from the heat of the sun,cookingfoods and keep themselves warm at the time of winter.Now,with the developmentof the technologies,this energy is using in different forms and has beenimproved a lot.   The solar energy is using in many ways and consumes power.

Themost known methods are:-                        1)solar cells                         2)solar thermal power plants                        3)Activesolar heating system                        4)Positive solar heating system  Among the above methods,,solar cell is most widely usedbecause of its low cost and small place for its substitution.It can even beused personally in houses.In other methods,the costs is too high to carry bythe lower earning people of our country.Active solar energy systems generallyhave higher efficiency than passive systems.Storage tank is mustly required forthese methods of using solar energy.But the efficiency of the solar power plantis more than the others because it consumes and sustains more power from thesun than other methods of using solar energy.

 Lately, all the developed ,developing and other countries areusing fossil fuels,oils,coal etc. for using energy in various purposes likeelectricity producing,train running,vehicle’s fuel etc.They are using solarenergy for the development of their transportation,power generation,industrialevolvement.

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Though natural sources like oils,coal,fossil fuels etc. areproducing a huge amount of energy but at the same time they are polluting theenvironment in different ways.The coal power plants beside the river pollutethe water.The ashes,fumes generated by the coal,oil leave an unhygienic mark onthe air.On the other hand,solar energy  is renewable and an environmental green energyresource.It uses the sunlight of sun which is supposed to be unlimited.

So thereis no risk of ceasing the solar energy resource.Moreover,It can be used in theremote place where electric supply is not possible.So,for the upliftment of adeveloping country like Bangladesh, the importance of solar energy is indisputable.Solar energy is now used very widely .At first,this solarpower was used for reducing effort of people.But with the help of technologyand science,this solar power is now using for human civilization.

Because ofcommercial adaptation,it is now used like our everyday utensils.The mostimportant uses of solar energy are water heating, cooling,ventilating etc.Solarcookers are used to collect energy from sunlight and.

transforms it into heat for ourcooking.Saline is made by water treatment using distillation method.Now,solarpower can convert into electricity using photovoltaics.Chemical reactions cannow occur through solar chemical process and in this method different kinds offuel can be produced.Now,vehicles also start using solar panels for running airconditioning system,heater etc.In a word,we can’t think the alternative of asolar power and its uses.  Solarenergy and power has great influence on us.Solar energy is pollution free &renewable.

It is more safer to use than the conventional electrical current.Forusing at night,we can consume this energy by using batteries.At rainy season& cloudy environment,we can use the reserved power.It reduces ourdependence on coal,oils & fossil fuel energy resources.It creates joboppurtunities for general people to lead a happy life.

Like other energysources,this has some restraints.We can’t use it at night without any powerstorage.At rainy and cloudy conditions,the sun gets covered by cloud,so thesolar power,which is generated from the sunlight,can’t produce.Maintenance andinstallation costs of solar power plant is very high which is out of the reachof people.

Large power banks are needed to collect the energies but not soenough for running a electric power plants to produce current which isessential for us.Again, through using batteries,the energy can be collected butthe maintenance of it is very much expensive which is not possible for thepeople of middle income countries like Bangladesh.So,those countries aredeprived of the advantages of solar power.    Despite of few advantages,solar power is verynecessary for human lives because of its advantages and importance.

Thetechnologies of solar power have long-live facilities.The energy security ofcountries all over the world will increase largely and environmental pollutionwill be reduced if solar plant is set up properly.It is said in differentreports of international journals that solar power will provide 30% of totalenergy produces all over the world around 2060.Solar power resources is nowbecome a crying need for us.If the politicians all over the world commit togive more facilities for using solar power and make necessary arrangement forbuilding more solar power plants,then it will be a great contribution for thegood of general people.

But we all should be conscious and come forward to workfor the developments.And if we can conquer the restraints of the solar power,thenit will be very helpful for mankinds and will change the next world.