Solar power electricity is just one of many solutions that are used to produce electrical power. Scientists are convinced that solar power can potentially supply many, many times the total world energy requirements.
Most people take the supply of electrical energy for granted. We are quite contented to simply plug our heaters, cookers, fridges, computers and televisions in to the power sockets that are situated conveniently in the walls of our homes.
Most people just think that their electrical power arrives through the electric grid from a power plant which is located somewhere not too far from where we live and then pay the utility company for their own monthly use. And this is the end of it.
But there are different types of energy plants producing the electricity that is contributing to the grid for our use. There are hydroelectric power plants which make electricity by utilizing the power of water, nuclear power plants that harness the energy of the atom, coal electrical power plants that use our ever dwindling fossil fuels and also wind farm power plants utilizing the strength of the wind to generate electricity.
These all have the drawback of being expensive to build, have high maintenance costs and their fuel expenses are excessive.
Solar power plants are springing up all over the world as various techniques are discovered for harnessing the power of the sun to generate electrical power. Government authorities are pumping countless dollars into solar plants to test devices and components to enable them to add storage for the electricity that they generate.
solar power electricity falls within the two common categories of terrestrial solar power and space-based solar power.
Solar power panels utilize a photovoltaic cell that will convert light into an electric current. This is perhaps the process that we are mainly familiar with since it is these solar panels that are used for generating electrical power in the home. This technique has also been widely used in power plants around the world. There are several types of photovoltaic cells which are being tested and manufactured including thin film, monocrystalline and polychrystalline silicon.
Concentrating solar power is a method of using the suns heat to generate steam which drives an electricity turbine. Mirrors that track the sun are used to focus a considerable area of sun rays into a compact beam which is then directed at a tower which heats up a liquid in the conventional way. Again different methods and kinds of mirrors are now being tested in this area.
Space-based solar power will use a satellite to collect energy, convert it into electrical power and transmit it to earth. This is still in the experimental stage however in the near future we are going to be using electricity that has been beamed down to earth by wireless power transmission by using a microwave beam. There are numerous arguments for using a space based solar system rather than a terrestrial not least since they would not be dependent on varying weather conditions.
Governments are investing heavily in solar power plants as an alternate means of generating electricity. They are pumping huge sums of money directly into the development of discovering improved techniques for storing the electricity.
This might all appear to be taking place on a rather grand scale where we see a solar energy plant with many acres of mirrors and solar power panels gathering and directing the suns heat to generate power. But simultaneously governments around the world are offering a selection of grants, tax savings and other incentives to home owners who would like to build their own small scale solar power electricity systems. In many situations it can be quite possible to sell the excess electricity that you are able to produce back to the utility company.
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