Multiple Sources Of Renewable Energy
More and more people are becoming interested in sources of renewable energy. Some of the more developed sources of renewable energy are solar collection, wind power, biomass and hydroelectricity. It is finally becoming clear that energy independence is paramount. It is sickening to think of the untold number of dollars we have sent to foreign nations for our energy needs, even more so when it is realized our funds are being used to fund terrorism against us.
Of all the sources of renewable energy, solar energy is the most well known. Solar energy has the ability to produce electricity via heat engine or photovoltaic means. Solar energy can be more useful than only generating electricity. Solar energy can also produce hot water. Space heating is achieved in active and passive buildings. Surprisingly enough, solar energy can also provide space cooling through absorption or vapor-compression refrigeration. The thermal energy from the Sun can also be used to cook your food.
Another of the popular sources of renewable energy is wind power. The power of the wind can be harnessed and converted into electricity. Only 1% of the world’s electricity is produced by the wind. Nearly 20% of electricity in Denmark is derived from wind power. Spain and Portugal derive 6% of their energy needs from wind power. Individual locations can generate adequate amounts of electricity, although the nature of wind still requires connection to local power sources or to be used in conjunction with other alternative sources.
One of the lesser known sources of renewable energy, biomass has great potential. Biomass is commonly thought of as plant matter grown to produce electricity or biofuel, however it also includes plant or animal matter used for the production of fibers. Numerous varieties of plants are used for producing biomass. The type of plant is typically not important to the end product, but it does affect the processing of the raw material. Naturally, processing will be easier and more productive with certain types of raw material. Included in these are hemp, corn, poplar, sorghum, switchgrass willow and various other tree species. Although fossil fuels’ beginnings were actually ancient biomass, they are not considered biomass because they contain carbon that has been out of the carbon cycle for a very long time. This is why burning fossil fuels disrupts the natural balance of carbon dioxide in the atmosphere.
The most used of sources of renewable energy today is hydroelectricty. Electricity produced by hydropower is known as hydroelectricity. Hydropower is the production of electricity by way of the gravitational force of falling water. After the construction of a hydroelectric complex, it produces no direct waste. In 2005, hydropower accounted for 19% of the world’s electricity and 63% of electricity from renewable sources.
Renewable energy is not only available from numerous sources; it has the ability to free the world from dependence on fossil fuels. There still remain some technological advances before we can be entirely reliant upon renewable resources. Despite this, the benefits are already being seen.
Multiple Sources Of Renewable Energy
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