Cost of Future Solar Power
From 2008 to 2013 the cost of solar panels fell by over 50%. Between 2015 and 2017 the cost will fall by 40%. Estimated that the cost will fall fast enough by 20% of our energy consumption by 2027
Future solar power will be used by photovoltaic (PV) and concentrated solar power (CSP) in their current and plausible future forms. Energy supply facilities last several decades, they will dominate solar power generation between now and 2050.
What's keeping solar energy from widespread use:
Cheap fossil fuels- Sunlight is free,but fossil fuels are widely available at a very low cost. Coal produces 50% of our energy.
Positive advantages of solar power
*Solar power helps slow/stop global warming
*Solar power saves society billions or trillions of dollars
*Solar power saves you money
*Solar power provides energy reliability
Negative aspects of solar power affecting the environment:
Solar energy does not produce air or water pollution or greenhouse gases. Using solar energy may have some negative impacts on the environment. Some toxic materials and chemicals are used to make the photovoltaic cells that convert sunlight into electricity.
For the almost half of American families and businesses who rent their homes or don't have enough roof space to install solar panels, the new National Community Solar Partnership will promote shared solar systems. Families living in federally subsidized housing will see the number of clean-energy installations triple. And states, cities, charities and investors have committed more than half a billion dollars to finance solar and efficiency projects in low-income communities, which means the people who need it most start saving money day one. And the places they live get new jobs and cleaner air.
Solar energy uses captured sunlight to create photovoltaic power (PV) or concentrated solar power (CSP) for solar heating. This energy conversion allows solar to be used to power auto motives, lights, pools, heaters and gadgets.
Solar Energy Cells are made out of a semiconductor material, which is a special type of material that conducts electricity at certain conditions. In the case of solar energy cells, the condition is dependent on the different amounts of wavelength of light that it accepts, which it then converts into electricity. There are several types of materials that can be classified as semiconductors but the most common one used in the Photovoltaics and Solar Energy Panel Industry is Silicon. This is primarily because Silicon is the second most abundant element in the earth’s crust and because of the existing infrastructure developed by the Information Technology industry and their accumulated experience of using this material. To a lot of industry experts this means that, in the long run, silicon based solar energy panels should be the most affordable method of generating renewable electricity from the sun.
Creation on the Energy
Solar-powered photovoltaic (PV) panels convert the sun's rays into electricity by exciting electrons in silicon cells using the photons of light from the sun. This electricity can then be used to supply renewable energy to your home or business.
Solar panels can not produce energy at night or during cloudy periods. But rechargeable batteries can store electricity: the photovoltaic panels charge the battery during the day, and this power can be drawn upon in the evening.
Many of the other sources used to create energy create harmful by-products that pollute the environment. An example of this source is burning and fusing. Even the use of wind turbines, often touted as an eco-friendly energy source, have been hotly debated because birds and bats are often killed by the turbines. The great thing about solar energy is the fact that no harmful by-products whatsoever are emitted in the generation of electricity. There are no waste products or dangerous gases that pollute the environment at all. This is precisely the kind of action we need to be taking to protect our environment. Every time there are dangerous gases released into the air, it has a negative and harmful effect.
Solar energy is a renewable free source of energy that is sustainable and totally inexhaustible, unlike fossil fuels that are finite. It is also a non-polluting source of energy and it does not emit any greenhouse gases when producing electricity.
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